| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BIRMINGHAM C.O.,AL | 11 | 74 | 80 | 87 | 91 | 95 | 99 | 106 | 102 | 99 | 89 | 82 | 76 | 106 |
| BIRMINGHAM AP,AL | 55 | 81 | 83 | 89 | 92 | 99 | 102 | 106 | 103 | 100 | 94 | 85 | 80 | 106 |
| HUNTSVILLE, AL | 31 | 76 | 83 | 85 | 90 | 96 | 101 | 104 | 103 | 101 | 90 | 83 | 79 | 104 |
| MOBILE, AL | 57 | 84 | 82 | 90 | 94 | 100 | 102 | 104 | 102 | 99 | 93 | 87 | 81 | 104 |
| MONTGOMERY, AL | 54 | 83 | 85 | 89 | 91 | 98 | 105 | 105 | 104 | 101 | 100 | 87 | 85 | 105 |
| ANCHORAGE, AK | 45 | 50 | 48 | 51 | 65 | 77 | 85 | 82 | 82 | 73 | 61 | 53 | 48 | 85 |
| ANNETTE, AK | 51 | 61 | 65 | 64 | 82 | 88 | 89 | 89 | 90 | 82 | 71 | 67 | 62 | 90 |
| BARROW, AK | 78 | 36 | 36 | 34 | 42 | 47 | 72 | 79 | 76 | 62 | 43 | 39 | 34 | 79 |
| BARTER IS.,AK | 39 | 39 | 37 | 36 | 43 | 52 | 68 | 78 | 72 | 66 | 46 | 37 | 37 | 78 |
| BETHEL, AK | 40 | 48 | 46 | 46 | 60 | 80 | 86 | 83 | 84 | 72 | 56 | 48 | 45 | 86 |
| BETTLES,AK | 48 | 48 | 40 | 49 | 63 | 86 | 92 | 93 | 88 | 79 | 53 | 45 | 38 | 93 |
| BIG DELTA,AK | 54 | 48 | 51 | 58 | 72 | 90 | 92 | 91 | 90 | 79 | 66 | 52 | 55 | 92 |
| COLD BAY,AK | 54 | 51 | 50 | 56 | 60 | 67 | 72 | 77 | 78 | 76 | 69 | 59 | 54 | 78 |
| FAIRBANKS, AK | 47 | 50 | 47 | 56 | 74 | 89 | 96 | 94 | 93 | 84 | 65 | 49 | 44 | 96 |
| GULKANA,AK | 51 | 46 | 46 | 50 | 67 | 85 | 90 | 91 | 86 | 74 | 65 | 48 | 44 | 91 |
| HOMER, AK | 55 | 51 | 51 | 53 | 63 | 71 | 80 | 81 | 78 | 69 | 64 | 52 | 50 | 81 |
| JUNEAU, AK | 54 | 57 | 57 | 61 | 72 | 82 | 86 | 90 | 83 | 73 | 61 | 56 | 54 | 90 |
| KING SALMON, AK | 56 | 53 | 57 | 56 | 65 | 80 | 88 | 86 | 84 | 74 | 67 | 56 | 48 | 88 |
| KODIAK, AK | 50 | 54 | 56 | 57 | 64 | 80 | 86 | 82 | 83 | 73 | 62 | 54 | 56 | 86 |
| KOTZEBUE, AK | 56 | 39 | 40 | 39 | 48 | 74 | 85 | 85 | 80 | 69 | 51 | 38 | 37 | 85 |
| MCGRATH, AK | 56 | 54 | 55 | 55 | 67 | 82 | 90 | 89 | 89 | 76 | 59 | 49 | 49 | 90 |
| NOME, AK | 52 | 43 | 48 | 43 | 51 | 78 | 81 | 86 | 81 | 71 | 59 | 45 | 43 | 86 |
| ST. PAUL ISLAND, AK | 81 | 48 | 44 | 50 | 49 | 59 | 62 | 63 | 66 | 61 | 54 | 50 | 52 | 66 |
| TALKEETNA, AK | 59 | 45 | 51 | 54 | 69 | 82 | 91 | 90 | 85 | 78 | 68 | 50 | 54 | 91 |
| UNALAKLEET, AK | 30 | 47 | 44 | 47 | 62 | 78 | 86 | 87 | 85 | 71 | 57 | 48 | 41 | 87 |
| VALDEZ, AK | 27 | 46 | 52 | 53 | 62 | 78 | 86 | 85 | 82 | 74 | 58 | 50 | 52 | 86 |
| YAKUTAT, AK | 52 | 55 | 54 | 59 | 71 | 79 | 87 | 84 | 86 | 77 | 63 | 55 | 52 | 87 |
| FLAGSTAFF, AZ | 49 | 66 | 71 | 73 | 80 | 87 | 96 | 97 | 92 | 90 | 85 | 74 | 68 | 97 |
| PHOENIX, AZ | 61 | 88 | 92 | 100 | 105 | 113 | 122 | 121 | 116 | 118 | 107 | 93 | 88 | 122 |
| TUCSON, AZ | 58 | 87 | 92 | 99 | 104 | 107 | 117 | 114 | 112 | 107 | 102 | 90 | 84 | 117 |
| WINSLOW, AZ | 67 | 75 | 78 | 85 | 92 | 101 | 106 | 109 | 103 | 99 | 93 | 80 | 74 | 109 |
| YUMA, AZ | 45 | 88 | 97 | 100 | 107 | 116 | 122 | 124 | 120 | 116 | 112 | 98 | 86 | 124 |
| FORT SMITH, AR | 53 | 81 | 86 | 94 | 95 | 98 | 105 | 111 | 110 | 109 | 96 | 86 | 82 | 111 |
| LITTLE ROCK, AR | 57 | 83 | 85 | 91 | 95 | 98 | 105 | 112 | 108 | 106 | 97 | 86 | 80 | 112 |
| NORTH LITTLE ROCK, AR | 21 | 78 | 83 | 87 | 94 | 97 | 102 | 110 | 104 | 102 | 92 | 83 | 78 | 110 |
| BAKERSFIELD, CA | 61 | 82 | 87 | 92 | 101 | 107 | 114 | 115 | 112 | 112 | 103 | 91 | 83 | 115 |
| BISHOP, CA | 51 | 77 | 81 | 87 | 93 | 101 | 109 | 109 | 107 | 112 | 97 | 84 | 78 | 112 |
| BLUE CANYON, CA | 44 | 71 | 73 | 72 | 82 | 88 | 92 | 95 | 97 | 93 | 88 | 78 | 75 | 97 |
| EUREKA, CA. | 88 | 78 | 85 | 78 | 80 | 84 | 85 | 76 | 82 | 86 | 87 | 78 | 77 | 87 |
| FRESNO, CA | 49 | 78 | 80 | 90 | 100 | 107 | 110 | 112 | 112 | 111 | 102 | 89 | 76 | 112 |
| LONG BEACH, CA | 46 | 91 | 91 | 98 | 105 | 103 | 109 | 107 | 105 | 110 | 111 | 101 | 92 | 111 |
| LOS ANGELES AP, CA | 63 | 88 | 92 | 95 | 102 | 97 | 104 | 97 | 98 | 110 | 106 | 101 | 94 | 110 |
| LOS ANGELES C.O., CA | 58 | 95 | 95 | 98 | 106 | 102 | 112 | 107 | 105 | 110 | 108 | 100 | 91 | 112 |
| MOUNT SHASTA, CA | 42 | 65 | 71 | 80 | 86 | 94 | 98 | 100 | 105 | 103 | 93 | 80 | 72 | 105 |
| REDDING, CA | 12 | 77 | 83 | 85 | 94 | 104 | 111 | 118 | 115 | 116 | 105 | 88 | 78 | 118 |
| SACRAMENTO, CA | 48 | 70 | 76 | 88 | 95 | 105 | 115 | 114 | 110 | 108 | 101 | 87 | 72 | 115 |
| SAN DIEGO, CA | 58 | 88 | 90 | 93 | 98 | 96 | 101 | 95 | 98 | 111 | 107 | 97 | 88 | 111 |
| SAN FRANCISCO AP, CA | 71 | 72 | 78 | 85 | 92 | 97 | 106 | 105 | 100 | 103 | 99 | 85 | 75 | 106 |
| SAN FRANCISCO C.O., CA | 62 | 79 | 81 | 83 | 94 | 96 | 101 | 103 | 98 | 101 | 102 | 86 | 76 | 103 |
| SANTA BARBARA, CA | 12 | 86 | 85 | 90 | 96 | 92 | 109 | 109 | 101 | 102 | 103 | 97 | 83 | 109 |
| SANTA MARIA, CA | 56 | 86 | 89 | 95 | 103 | 100 | 102 | 104 | 103 | 103 | 108 | 93 | 90 | 108 |
| STOCKTON, CA | 39 | 71 | 78 | 87 | 100 | 107 | 111 | 114 | 109 | 108 | 101 | 84 | 72 | 114 |
| ALAMOSA, CO | 53 | 62 | 66 | 73 | 80 | 85 | 95 | 96 | 90 | 87 | 81 | 71 | 61 | 96 |
| COLORADO SPRINGS, CO | 50 | 73 | 76 | 81 | 87 | 93 | 100 | 100 | 99 | 94 | 86 | 78 | 77 | 100 |
| DENVER, CO | 61 | 73 | 76 | 84 | 90 | 96 | 104 | 104 | 101 | 97 | 89 | 79 | 75 | 104 |
| GRAND JUNCTION, CO | 52 | 60 | 68 | 81 | 89 | 95 | 105 | 105 | 103 | 100 | 88 | 75 | 64 | 105 |
| PUEBLO, CO | 57 | 81 | 81 | 86 | 93 | 99 | 108 | 106 | 104 | 101 | 94 | 84 | 82 | 108 |
| BRIDGEPORT, CT | 50 | 65 | 67 | 84 | 91 | 97 | 96 | 103 | 98 | 99 | 86 | 78 | 76 | 103 |
| HARTFORD, CT | 44 | 65 | 73 | 89 | 96 | 99 | 100 | 102 | 101 | 99 | 91 | 81 | 76 | 102 |
| WILMINGTON, DE | 51 | 75 | 78 | 86 | 94 | 96 | 100 | 102 | 101 | 100 | 91 | 85 | 75 | 102 |
| WASHINGTON DULLES AP, D.C | 36 | 75 | 79 | 89 | 92 | 97 | 100 | 104 | 104 | 99 | 90 | 84 | 79 | 104 |
| WASHINGTON NAT'L AP, D.C. | 57 | 79 | 82 | 89 | 95 | 99 | 101 | 104 | 105 | 101 | 94 | 86 | 79 | 105 |
| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| APALACHICOLA, FL | 63 | 79 | 80 | 85 | 90 | 98 | 101 | 102 | 99 | 96 | 93 | 87 | 82 | 102 |
| DAYTONA BEACH, FL | 55 | 87 | 89 | 92 | 96 | 100 | 102 | 102 | 100 | 99 | 95 | 89 | 88 | 102 |
| FORT MYERS, FL | 55 | 88 | 92 | 93 | 96 | 99 | 103 | 101 | 100 | 96 | 95 | 95 | 90 | 103 |
| GAINESVILLE, FL | 15 | 83 | 87 | 89 | 95 | 98 | 102 | 99 | 99 | 97 | 91 | 88 | 84 | 102 |
| JACKSONVILLE, FL | 57 | 85 | 88 | 91 | 95 | 100 | 103 | 105 | 102 | 100 | 96 | 88 | 84 | 105 |
| KEY WEST, FL | 46 | 86 | 85 | 88 | 90 | 91 | 94 | 95 | 95 | 94 | 93 | 89 | 86 | 95 |
| MIAMI, FL | 56 | 88 | 89 | 92 | 96 | 96 | 98 | 98 | 98 | 97 | 95 | 89 | 87 | 98 |
| ORLANDO, FL | 56 | 87 | 90 | 92 | 96 | 102 | 100 | 101 | 100 | 98 | 95 | 89 | 90 | 102 |
| PENSACOLA, FL | 35 | 80 | 82 | 86 | 96 | 98 | 101 | 106 | 104 | 98 | 92 | 85 | 81 | 106 |
| TALLAHASSEE, FL | 38 | 82 | 85 | 90 | 95 | 99 | 103 | 103 | 103 | 99 | 94 | 88 | 84 | 103 |
| TAMPA, FL | 52 | 86 | 88 | 91 | 93 | 98 | 99 | 97 | 98 | 96 | 94 | 90 | 86 | 99 |
| VERO BEACH, FL | 15 | 88 | 89 | 91 | 94 | 96 | 99 | 99 | 98 | 97 | 94 | 92 | 87 | 99 |
| WEST PALM BEACH, FL | 62 | 89 | 90 | 94 | 99 | 96 | 98 | 101 | 98 | 97 | 95 | 91 | 90 | 101 |
| ATHENS, GA | 55 | 80 | 81 | 88 | 93 | 97 | 104 | 104 | 107 | 99 | 98 | 86 | 79 | 107 |
| ATLANTA, GA | 50 | 79 | 80 | 89 | 93 | 95 | 101 | 105 | 102 | 98 | 95 | 84 | 79 | 105 |
| AUGUSTA,GA | 48 | 80 | 86 | 89 | 96 | 99 | 105 | 107 | 108 | 101 | 97 | 90 | 82 | 108 |
| COLUMBUS, GA | 53 | 83 | 83 | 89 | 93 | 97 | 104 | 104 | 103 | 100 | 96 | 86 | 82 | 104 |
| MACON, GA | 50 | 84 | 85 | 95 | 96 | 99 | 106 | 108 | 105 | 102 | 100 | 88 | 82 | 108 |
| SAVANNAH, GA | 48 | 84 | 86 | 91 | 95 | 100 | 104 | 105 | 104 | 98 | 97 | 89 | 83 | 105 |
| HILO, HI | 52 | 92 | 92 | 93 | 89 | 94 | 90 | 89 | 93 | 92 | 91 | 92 | 93 | 94 |
| HONOLULU,HI | 29 | 88 | 88 | 88 | 91 | 93 | 92 | 94 | 93 | 95 | 94 | 93 | 89 | 95 |
| KAHULUI, HI | 34 | 89 | 89 | 90 | 91 | 92 | 94 | 95 | 97 | 96 | 96 | 93 | 90 | 97 |
| LIHUE, HI | 48 | 85 | 86 | 88 | 88 | 88 | 89 | 89 | 90 | 90 | 90 | 89 | 86 | 90 |
| BOISE, ID | 59 | 63 | 71 | 81 | 92 | 98 | 109 | 111 | 110 | 102 | 94 | 74 | 65 | 111 |
| LEWISTON, ID | 52 | 66 | 72 | 76 | 97 | 100 | 107 | 110 | 115 | 103 | 89 | 74 | 63 | 115 |
| POCATELLO, ID | 49 | 57 | 65 | 75 | 86 | 93 | 103 | 102 | 104 | 98 | 91 | 71 | 64 | 104 |
| CAIRO,IL | 45 | 75 | 77 | 85 | 91 | 98 | 104 | 104 | 103 | 103 | 92 | 82 | 79 | 104 |
| CHICAGO,IL | 40 | 65 | 71 | 88 | 91 | 93 | 104 | 104 | 101 | 99 | 91 | 78 | 71 | 104 |
| MOLINE, IL | 66 | 69 | 71 | 88 | 93 | 104 | 104 | 105 | 106 | 100 | 93 | 80 | 71 | 106 |
| PEORIA, IL | 59 | 70 | 72 | 86 | 92 | 93 | 105 | 103 | 103 | 100 | 90 | 81 | 71 | 105 |
| ROCKFORD, IL | 48 | 63 | 68 | 85 | 91 | 95 | 101 | 103 | 104 | 102 | 90 | 76 | 66 | 104 |
| SPRINGFIELD, IL | 51 | 71 | 74 | 87 | 90 | 95 | 103 | 112 | 103 | 101 | 93 | 83 | 74 | 112 |
| EVANSVILLE, IN | 58 | 76 | 79 | 84 | 91 | 95 | 104 | 105 | 102 | 103 | 94 | 83 | 77 | 105 |
| FORT WAYNE, IN | 52 | 69 | 70 | 82 | 88 | 94 | 106 | 103 | 101 | 100 | 90 | 79 | 71 | 106 |
| INDIANAPOLIS, IN | 59 | 71 | 74 | 85 | 89 | 93 | 102 | 104 | 102 | 100 | 90 | 81 | 74 | 104 |
| SOUTH BEND, IN | 59 | 68 | 69 | 85 | 91 | 95 | 104 | 101 | 103 | 99 | 92 | 82 | 70 | 104 |
| DES MOINES, IA | 59 | 65 | 73 | 91 | 93 | 98 | 103 | 105 | 108 | 101 | 95 | 76 | 69 | 108 |
| DUBUQUE,IA | 46 | 60 | 61 | 85 | 93 | 91 | 100 | 101 | 100 | 97 | 90 | 73 | 67 | 101 |
| SIOUX CITY, IA | 58 | 70 | 71 | 91 | 97 | 102 | 108 | 108 | 104 | 102 | 94 | 81 | 70 | 108 |
| WATERLOO, IA | 50 | 58 | 66 | 87 | 100 | 94 | 103 | 105 | 105 | 98 | 95 | 79 | 67 | 105 |
| CONCORDIA, KS | 37 | 74 | 86 | 88 | 98 | 102 | 109 | 109 | 108 | 106 | 96 | 84 | 82 | 109 |
| DODGE CITY, KS | 56 | 80 | 85 | 93 | 100 | 105 | 110 | 109 | 107 | 106 | 96 | 91 | 86 | 110 |
| GOODLAND, KS | 78 | 79 | 81 | 89 | 96 | 99 | 109 | 111 | 110 | 105 | 96 | 87 | 83 | 111 |
| TOPEKA, KS | 52 | 73 | 84 | 89 | 95 | 97 | 107 | 110 | 110 | 109 | 96 | 85 | 73 | 110 |
| WICHITA, KS | 46 | 75 | 87 | 89 | 96 | 100 | 110 | 113 | 110 | 107 | 95 | 85 | 83 | 113 |
| GREATER CINCINNATI AP | 37 | 69 | 73 | 84 | 89 | 93 | 102 | 103 | 102 | 98 | 88 | 81 | 75 | 103 |
| JACKSON, KY | 18 | 72 | 79 | 87 | 92 | 90 | 99 | 101 | 101 | 95 | 86 | 81 | 79 | 101 |
| LEXINGTON, KY | 54 | 76 | 80 | 83 | 88 | 92 | 101 | 103 | 103 | 103 | 91 | 83 | 75 | 103 |
| LOUISVILLE, KY | 51 | 77 | 77 | 86 | 91 | 95 | 102 | 105 | 101 | 104 | 92 | 84 | 76 | 105 |
| PADUCAH KY | 15 | 70 | 77 | 84 | 90 | 94 | 103 | 102 | 104 | 99 | 89 | 83 | 74 | 104 |
| BATON ROUGE, LA | 48 | 82 | 85 | 91 | 92 | 98 | 103 | 101 | 102 | 99 | 94 | 87 | 85 | 103 |
| LAKE CHARLES, LA | 34 | 82 | 83 | 86 | 95 | 96 | 99 | 102 | 101 | 100 | 94 | 87 | 82 | 102 |
| NEW ORLEANS, LA | 52 | 83 | 85 | 89 | 92 | 96 | 100 | 101 | 102 | 101 | 94 | 87 | 84 | 102 |
| SHREVEPORT, LA | 46 | 84 | 89 | 92 | 94 | 102 | 102 | 107 | 108 | 105 | 97 | 88 | 84 | 108 |
| CARIBOU, ME | 59 | 53 | 59 | 73 | 86 | 96 | 96 | 95 | 95 | 91 | 79 | 68 | 58 | 96 |
| PORTLAND, ME | 58 | 64 | 64 | 88 | 85 | 94 | 98 | 99 | 103 | 95 | 88 | 74 | 71 | 103 |
| BALTIMORE, MD | 48 | 75 | 79 | 89 | 94 | 98 | 101 | 104 | 105 | 100 | 92 | 83 | 77 | 105 |
| BLUE HILL, MA | 113 | 68 | 68 | 89 | 94 | 93 | 99 | 100 | 101 | 99 | 88 | 81 | 74 | 101 |
| BOSTON, MA | 47 | 66 | 70 | 89 | 94 | 95 | 100 | 102 | 102 | 100 | 90 | 79 | 76 | 102 |
| WORCESTER, MA | 43 | 60 | 67 | 84 | 91 | 92 | 94 | 96 | 96 | 91 | 85 | 78 | 72 | 96 |
| ALPENA, MI | 40 | 52 | 65 | 76 | 90 | 94 | 103 | 102 | 102 | 94 | 88 | 76 | 65 | 103 |
| DETROIT, MI | 40 | 62 | 65 | 81 | 89 | 93 | 104 | 102 | 100 | 98 | 91 | 77 | 69 | 104 |
| FLINT, MI | 42 | 61 | 63 | 79 | 87 | 93 | 101 | 101 | 98 | 93 | 89 | 76 | 67 | 101 |
| GRAND RAPIDS, MI | 35 | 62 | 67 | 78 | 88 | 92 | 98 | 100 | 100 | 93 | 87 | 77 | 67 | 100 |
| HOUGHTON LAKE, MI | 34 | 54 | 59 | 76 | 86 | 90 | 103 | 98 | 94 | 92 | 85 | 70 | 63 | 103 |
| LANSING, MI | 40 | 66 | 64 | 78 | 86 | 94 | 99 | 100 | 100 | 97 | 89 | 77 | 66 | 100 |
| MARQUETTE, MI | 20 | 46 | 61 | 68 | 92 | 93 | 96 | 99 | 95 | 92 | 87 | 69 | 59 | 99 |
| MUSKEGON, MI | 59 | 63 | 62 | 80 | 86 | 93 | 98 | 96 | 99 | 95 | 83 | 76 | 64 | 99 |
| SAULT STE. MARIE, MI | 58 | 45 | 47 | 75 | 85 | 89 | 93 | 97 | 98 | 95 | 80 | 67 | 60 | 98 |
| DULUTH, MN | 57 | 52 | 55 | 78 | 88 | 90 | 94 | 97 | 97 | 95 | 86 | 70 | 55 | 97 |
| INTERNATIONAL FALLS, MN | 59 | 48 | 55 | 76 | 93 | 95 | 99 | 98 | 95 | 95 | 88 | 73 | 57 | 99 |
| MINNEAPOLIS - ST. PAUL, MN | 60 | 58 | 60 | 83 | 95 | 96 | 102 | 105 | 102 | 98 | 90 | 75 | 68 | 105 |
| ROCHESTER, MN | 39 | 55 | 63 | 79 | 91 | 92 | 101 | 102 | 99 | 95 | 93 | 73 | 62 | 102 |
| SAINT CLOUD, MN | 58 | 55 | 55 | 79 | 96 | 97 | 102 | 103 | 103 | 98 | 90 | 74 | 61 | 103 |
| JACKSON, MS | 35 | 82 | 85 | 89 | 94 | 99 | 105 | 106 | 102 | 104 | 95 | 88 | 84 | 106 |
| MERIDIAN, MS | 53 | 83 | 85 | 90 | 95 | 99 | 104 | 107 | 104 | 105 | 97 | 87 | 84 | 107 |
| TUPELO, MS | 15 | 75 | 84 | 85 | 93 | 94 | 101 | 105 | 102 | 103 | 92 | 84 | 79 | 105 |
| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| COLUMBIA, MO | 29 | 74 | 82 | 85 | 90 | 92 | 103 | 111 | 110 | 101 | 93 | 83 | 76 | 111 |
| KANSAS CITY, MO | 26 | 69 | 77 | 86 | 93 | 95 | 105 | 107 | 109 | 102 | 92 | 82 | 70 | 109 |
| ST. LOUIS, MO | 41 | 76 | 85 | 89 | 93 | 94 | 102 | 107 | 107 | 104 | 94 | 85 | 76 | 107 |
| SPRINGFIELD, MO | 53 | 76 | 81 | 87 | 93 | 93 | 101 | 113 | 106 | 104 | 93 | 80 | 77 | 113 |
| BILLINGS, MT | 64 | 68 | 72 | 79 | 92 | 96 | 105 | 106 | 105 | 103 | 90 | 77 | 69 | 106 |
| GLASGOW, MT | 43 | 57 | 71 | 79 | 91 | 102 | 108 | 104 | 108 | 103 | 90 | 75 | 59 | 108 |
| GREAT FALLS, MT | 61 | 67 | 70 | 78 | 89 | 93 | 101 | 105 | 106 | 98 | 91 | 76 | 69 | 106 |
| HELENA, MT | 58 | 62 | 69 | 77 | 86 | 92 | 100 | 102 | 105 | 99 | 87 | 72 | 64 | 105 |
| KALISPELL, MT | 49 | 53 | 64 | 72 | 84 | 94 | 96 | 104 | 105 | 99 | 86 | 65 | 57 | 105 |
| MISSOULA, MT | 54 | 59 | 66 | 75 | 87 | 95 | 98 | 105 | 105 | 99 | 85 | 66 | 60 | 105 |
| GRAND ISLAND, NE | 53 | 76 | 80 | 90 | 96 | 101 | 107 | 109 | 110 | 104 | 96 | 82 | 76 | 110 |
| LINCOLN, NE | 27 | 73 | 84 | 89 | 97 | 99 | 107 | 108 | 107 | 101 | 93 | 82 | 70 | 108 |
| NORFOLK, NE | 53 | 71 | 74 | 88 | 95 | 103 | 106 | 113 | 107 | 101 | 95 | 82 | 71 | 113 |
| NORTH PLATTE, NE | 47 | 73 | 79 | 86 | 98 | 97 | 107 | 112 | 105 | 102 | 94 | 82 | 75 | 112 |
| OMAHA EPPLEY AP, NE | 62 | 69 | 78 | 89 | 97 | 99 | 105 | 114 | 110 | 104 | 96 | 80 | 72 | 114 |
| OMAHA (NORTH), NE | 39 | 66 | 76 | 88 | 96 | 100 | 104 | 107 | 106 | 103 | 93 | 79 | 66 | 107 |
| SCOTTSBLUFF, NE | 56 | 74 | 77 | 87 | 93 | 95 | 106 | 109 | 104 | 102 | 92 | 80 | 77 | 109 |
| VALENTINE, NE | 44 | 72 | 78 | 85 | 100 | 99 | 110 | 114 | 108 | 104 | 96 | 82 | 74 | 114 |
| ELKO, NV | 68 | 64 | 70 | 77 | 86 | 92 | 104 | 107 | 107 | 99 | 88 | 78 | 65 | 107 |
| ELY, NV | 60 | 68 | 67 | 73 | 82 | 90 | 99 | 100 | 97 | 93 | 84 | 75 | 67 | 100 |
| LAS VEGAS, NV | 50 | 77 | 87 | 91 | 99 | 109 | 115 | 116 | 116 | 113 | 103 | 87 | 77 | 116 |
| RENO, NV | 57 | 70 | 75 | 83 | 89 | 96 | 103 | 104 | 105 | 101 | 91 | 77 | 70 | 105 |
| WINNEMUCCA, NV | 49 | 68 | 74 | 81 | 90 | 96 | 106 | 106 | 108 | 103 | 91 | 77 | 67 | 108 |
| CONCORD, NH | 57 | 68 | 67 | 89 | 95 | 97 | 98 | 102 | 101 | 98 | 90 | 80 | 73 | 102 |
| MT. WASHINGTON, NH | 66 | 47 | 43 | 54 | 60 | 66 | 71 | 71 | 72 | 67 | 59 | 52 | 45 | 72 |
| ATLANTIC CITY AP, NJ | 55 | 78 | 75 | 87 | 94 | 99 | 106 | 104 | 102 | 99 | 90 | 84 | 77 | 106 |
| ATLANTIC CITY C.O.,NJ | 38 | 70 | 72 | 82 | 91 | 94 | 97 | 100 | 102 | 92 | 89 | 78 | 74 | 102 |
| NEWARK, NJ | 57 | 74 | 76 | 89 | 94 | 99 | 102 | 105 | 103 | 105 | 92 | 85 | 76 | 105 |
| ALBUQUERQUE, NM | 59 | 69 | 76 | 85 | 89 | 98 | 107 | 105 | 101 | 100 | 91 | 77 | 72 | 107 |
| CLAYTON, NM | 51 | 80 | 81 | 86 | 91 | 95 | 104 | 102 | 102 | 99 | 90 | 85 | 83 | 104 |
| ROSWELL, NM | 26 | 82 | 85 | 93 | 99 | 104 | 114 | 111 | 106 | 103 | 96 | 88 | 81 | 114 |
| ALBANY, NY | 52 | 65 | 68 | 89 | 92 | 94 | 99 | 100 | 99 | 100 | 89 | 82 | 71 | 100 |
| BINGHAMTON, NY | 47 | 63 | 66 | 82 | 88 | 89 | 94 | 98 | 94 | 96 | 82 | 77 | 65 | 98 |
| BUFFALO, NY | 55 | 72 | 70 | 81 | 94 | 90 | 96 | 97 | 99 | 98 | 87 | 80 | 74 | 99 |
| ISLIP, NY | 15 | 67 | 67 | 82 | 86 | 98 | 96 | 101 | 94 | 92 | 86 | 78 | 77 | 101 |
| NEW YORK C.PARK, NY | 130 | 72 | 75 | 86 | 96 | 99 | 101 | 106 | 104 | 102 | 94 | 84 | 75 | 106 |
| NEW YORK (JFK AP), NY | 38 | 65 | 71 | 85 | 90 | 99 | 99 | 104 | 100 | 98 | 88 | 77 | 75 | 104 |
| NEW YORK (LAGUARDIA AP), NY | 37 | 68 | 73 | 83 | 91 | 97 | 99 | 107 | 97 | 96 | 87 | 80 | 75 | 107 |
| ROCHESTER, NY | 58 | 74 | 73 | 84 | 93 | 94 | 100 | 98 | 99 | 99 | 91 | 81 | 72 | 100 |
| SYRACUSE, NY | 49 | 70 | 69 | 87 | 92 | 96 | 98 | 97 | 97 | 97 | 87 | 81 | 70 | 98 |
| ASHEVILLE, NC | 34 | 78 | 78 | 83 | 89 | 93 | 96 | 96 | 100 | 92 | 86 | 81 | 78 | 100 |
| CAPE HATTERAS, NC | 41 | 75 | 76 | 81 | 89 | 91 | 95 | 96 | 94 | 92 | 89 | 81 | 78 | 96 |
| CHARLOTTE, NC | 59 | 78 | 81 | 90 | 93 | 100 | 103 | 103 | 103 | 104 | 98 | 85 | 78 | 104 |
| GREENSBORO - WNSTN-SALM, NC | 70 | 78 | 81 | 90 | 94 | 98 | 102 | 102 | 103 | 100 | 95 | 85 | 78 | 103 |
| RALEIGH, NC | 54 | 79 | 84 | 92 | 95 | 97 | 104 | 105 | 105 | 104 | 98 | 88 | 80 | 105 |
| WILMINGTON, NC | 47 | 82 | 85 | 89 | 95 | 98 | 104 | 102 | 102 | 98 | 95 | 87 | 82 | 104 |
| BISMARCK, ND | 59 | 62 | 69 | 81 | 93 | 98 | 107 | 109 | 109 | 105 | 95 | 75 | 65 | 109 |
| FARGO, ND | 46 | 52 | 66 | 78 | 100 | 98 | 100 | 106 | 106 | 102 | 93 | 74 | 57 | 106 |
| WILLISTON, ND | 37 | 53 | 66 | 78 | 92 | 106 | 106 | 109 | 107 | 104 | 93 | 73 | 58 | 109 |
| AKRON, OH | 50 | 70 | 69 | 81 | 88 | 93 | 100 | 101 | 98 | 99 | 86 | 80 | 76 | 101 |
| CLEVELAND, OH | 57 | 73 | 70 | 83 | 88 | 92 | 104 | 103 | 102 | 101 | 90 | 82 | 77 | 104 |
| COLUMBUS, OH | 59 | 74 | 73 | 85 | 89 | 94 | 102 | 100 | 101 | 100 | 90 | 80 | 76 | 102 |
| DAYTON, OH | 55 | 71 | 71 | 82 | 89 | 93 | 102 | 102 | 102 | 101 | 89 | 79 | 72 | 102 |
| MANSFIELD, OH | 39 | 64 | 67 | 82 | 86 | 92 | 101 | 100 | 97 | 93 | 85 | 78 | 73 | 101 |
| TOLEDO, OH | 43 | 65 | 68 | 81 | 88 | 95 | 104 | 104 | 99 | 98 | 91 | 78 | 69 | 104 |
| YOUNGSTOWN, OH | 55 | 71 | 71 | 82 | 88 | 92 | 99 | 100 | 97 | 99 | 87 | 80 | 76 | 100 |
| OKLAHOMA CITY, OK | 45 | 80 | 92 | 93 | 100 | 104 | 105 | 110 | 110 | 107 | 96 | 87 | 86 | 110 |
| TULSA, OK | 60 | 79 | 90 | 96 | 102 | 96 | 103 | 112 | 110 | 109 | 98 | 87 | 80 | 112 |
| ASTORIA, OR | 45 | 67 | 72 | 73 | 83 | 87 | 93 | 100 | 96 | 95 | 85 | 71 | 64 | 100 |
| BURNS,OR | 14 | 55 | 67 | 71 | 84 | 94 | 98 | 100 | 100 | 97 | 86 | 68 | 57 | 100 |
| EUGENE, OR | 56 | 67 | 72 | 77 | 86 | 93 | 102 | 105 | 108 | 103 | 94 | 76 | 68 | 108 |
| MEDFORD, OR | 69 | 71 | 79 | 86 | 93 | 103 | 111 | 115 | 114 | 110 | 99 | 75 | 72 | 115 |
| PENDLETON, OR | 63 | 70 | 75 | 79 | 91 | 100 | 108 | 110 | 113 | 102 | 92 | 77 | 67 | 113 |
| PORTLAND, OR | 58 | 63 | 71 | 80 | 90 | 100 | 100 | 107 | 107 | 105 | 92 | 73 | 65 | 107 |
| SALEM, OR | 61 | 65 | 72 | 80 | 88 | 100 | 105 | 108 | 108 | 104 | 93 | 72 | 68 | 108 |
| SEXTON SUMMIT, OR | 44 | 66 | 67 | 74 | 82 | 91 | 95 | 100 | 97 | 97 | 87 | 77 | 66 | 100 |
| GUAM, PC | 41 | 88 | 89 | 90 | 90 | 92 | 93 | 94 | 91 | 95 | 91 | 90 | 89 | 95 |
| JOHNSTON ISLAND, PC | 29 | 88 | 87 | 85 | 86 | 87 | 88 | 89 | 89 | 89 | 90 | 89 | 86 | 90 |
| KOROR, PC | 49 | 91 | 92 | 92 | 93 | 93 | 95 | 93 | 93 | 92 | 93 | 93 | 94 | 95 |
| KWAJALEIN, MARSHALL IS., PC | 46 | 90 | 90 | 90 | 90 | 91 | 90 | 91 | 91 | 92 | 92 | 91 | 89 | 92 |
| MAJURO, MARSHALL IS, PC | 43 | 89 | 89 | 90 | 89 | 90 | 90 | 90 | 91 | 90 | 91 | 91 | 90 | 91 |
| PAGO PAGO, AMER SAMOA, PC | 39 | 95 | 96 | 95 | 95 | 92 | 91 | 91 | 90 | 92 | 93 | 95 | 94 | 96 |
| POHNPEI, CAROLINE IS., PC | 48 | 92 | 92 | 95 | 94 | 93 | 94 | 94 | 94 | 96 | 95 | 95 | 95 | 96 |
| CHUUK, E. CAROLINE IS., PC | 48 | 92 | 91 | 94 | 93 | 94 | 93 | 92 | 92 | 93 | 92 | 91 | 91 | 94 |
| WAKE ISLAND, PC | 50 | 89 | 88 | 90 | 91 | 92 | 93 | 94 | 95 | 95 | 92 | 90 | 91 | 95 |
| YAP, W CAROLINE IS., PC | 50 | 90 | 92 | 90 | 97 | 93 | 94 | 96 | 93 | 93 | 93 | 93 | 94 | 97 |
| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ALLENTOWN, PA | 55 | 72 | 76 | 87 | 93 | 97 | 100 | 105 | 100 | 99 | 90 | 81 | 72 | 105 |
| ERIE, PA. | 45 | 68 | 70 | 82 | 89 | 90 | 100 | 99 | 93 | 94 | 88 | 80 | 75 | 100 |
| HARRISBURG, PA | 53 | 73 | 75 | 86 | 93 | 97 | 100 | 107 | 101 | 102 | 97 | 84 | 75 | 107 |
| MIDDLETOWN / HARRISBURG, PA | 60 | 73 | 78 | 87 | 93 | 97 | 100 | 107 | 101 | 102 | 97 | 84 | 75 | 107 |
| PHILADELPHIA, PA | 57 | 74 | 74 | 87 | 94 | 97 | 100 | 104 | 101 | 100 | 96 | 81 | 73 | 104 |
| PITTSBURGH, PA | 46 | 69 | 73 | 82 | 89 | 91 | 98 | 103 | 100 | 97 | 87 | 82 | 74 | 103 |
| AVOCA, PA | 43 | 67 | 71 | 85 | 92 | 93 | 97 | 101 | 95 | 95 | 84 | 80 | 69 | 101 |
| WILLIAMSPORT, PA | 54 | 69 | 71 | 87 | 92 | 96 | 102 | 103 | 100 | 102 | 91 | 83 | 69 | 103 |
| BLOCK IS.,RI | 39 | 58 | 62 | 74 | 92 | 83 | 90 | 91 | 91 | 87 | 80 | 70 | 64 | 92 |
| PROVIDENCE, RI | 45 | 69 | 72 | 85 | 98 | 95 | 97 | 102 | 104 | 100 | 86 | 78 | 77 | 104 |
| CHARLESTON AP,SC | 56 | 83 | 87 | 90 | 94 | 98 | 103 | 104 | 102 | 99 | 94 | 88 | 83 | 104 |
| CHARLESTON C.O.,SC | 14 | 80 | 80 | 88 | 94 | 96 | 104 | 103 | 98 | 98 | 93 | 84 | 81 | 104 |
| COLUMBIA, SC | 51 | 84 | 84 | 91 | 94 | 101 | 107 | 107 | 107 | 101 | 101 | 90 | 83 | 107 |
| GREENVILLE - SPARTANBRG, SC | 36 | 79 | 81 | 89 | 93 | 97 | 100 | 103 | 103 | 96 | 92 | 85 | 76 | 103 |
| ABERDEEN, SD | 37 | 60 | 62 | 82 | 98 | 96 | 108 | 110 | 112 | 103 | 96 | 78 | 62 | 112 |
| HURON, SD | 57 | 63 | 71 | 89 | 97 | 99 | 109 | 112 | 110 | 106 | 102 | 78 | 66 | 112 |
| RAPID CITY, SD | 56 | 76 | 75 | 82 | 93 | 98 | 106 | 110 | 106 | 104 | 94 | 78 | 75 | 110 |
| SIOUX FALLS, SD | 53 | 66 | 70 | 87 | 94 | 100 | 110 | 108 | 108 | 104 | 94 | 76 | 63 | 110 |
| BRISTOL - JOHNSON CITY,TN | 53 | 79 | 80 | 85 | 89 | 92 | 97 | 102 | 101 | 100 | 90 | 81 | 78 | 102 |
| CHATTANOOGA, TN | 59 | 78 | 79 | 87 | 93 | 99 | 104 | 106 | 105 | 102 | 94 | 84 | 78 | 106 |
| KNOXVILLE, TN | 57 | 77 | 83 | 86 | 92 | 94 | 102 | 103 | 102 | 103 | 91 | 84 | 80 | 103 |
| MEMPHIS, TN | 57 | 78 | 81 | 85 | 94 | 99 | 104 | 108 | 105 | 103 | 95 | 85 | 81 | 108 |
| NASHVILLE, TN | 59 | 78 | 84 | 86 | 91 | 97 | 106 | 107 | 104 | 105 | 94 | 84 | 79 | 107 |
| OAK RIDGE,TN | 51 | 75 | 79 | 86 | 92 | 93 | 101 | 105 | 103 | 102 | 90 | 83 | 78 | 105 |
| ABILENE, TX | 59 | 89 | 93 | 97 | 99 | 107 | 109 | 110 | 109 | 106 | 103 | 92 | 89 | 110 |
| AMARILLO, TX | 58 | 81 | 88 | 94 | 98 | 103 | 108 | 105 | 106 | 103 | 95 | 87 | 81 | 108 |
| AUSTIN, TX | 57 | 90 | 99 | 98 | 98 | 102 | 108 | 109 | 106 | 104 | 98 | 91 | 90 | 109 |
| BROWNSVILLE, TX | 60 | 93 | 94 | 106 | 102 | 102 | 102 | 102 | 102 | 104 | 96 | 97 | 94 | 106 |
| CORPUS CHRISTI, TX | 60 | 91 | 98 | 102 | 102 | 103 | 106 | 104 | 103 | 103 | 98 | 98 | 91 | 106 |
| DALLAS - FORT WORTH, TX | 45 | 88 | 95 | 96 | 95 | 103 | 113 | 110 | 108 | 108 | 102 | 89 | 88 | 113 |
| DEL RIO, TX | 36 | 89 | 99 | 101 | 106 | 106 | 112 | 108 | 109 | 105 | 106 | 96 | 90 | 112 |
| EL PASO, TX | 59 | 80 | 83 | 89 | 98 | 104 | 114 | 112 | 108 | 104 | 96 | 87 | 80 | 114 |
| GALVESTON, TX | 124 | 78 | 83 | 85 | 92 | 94 | 99 | 101 | 100 | 96 | 94 | 85 | 80 | 101 |
| HOUSTON, TX | 29 | 84 | 91 | 91 | 95 | 99 | 103 | 104 | 107 | 102 | 96 | 89 | 85 | 107 |
| LUBBOCK, TX | 52 | 83 | 87 | 95 | 100 | 105 | 114 | 108 | 106 | 103 | 98 | 88 | 81 | 114 |
| MIDLAND - ODESSA, TX | 51 | 84 | 90 | 95 | 101 | 108 | 116 | 112 | 107 | 107 | 100 | 90 | 85 | 116 |
| PORT ARTHUR, TX | 45 | 81 | 85 | 87 | 94 | 97 | 100 | 103 | 107 | 100 | 95 | 88 | 84 | 107 |
| SAN ANGELO, TX | 51 | 90 | 97 | 97 | 103 | 107 | 110 | 111 | 109 | 107 | 100 | 93 | 91 | 111 |
| SAN ANTONIO, TX | 57 | 89 | 100 | 100 | 101 | 103 | 107 | 106 | 108 | 103 | 99 | 94 | 90 | 108 |
| VICTORIA, TX | 38 | 88 | 95 | 97 | 98 | 101 | 106 | 104 | 107 | 102 | 99 | 93 | 88 | 107 |
| WACO, TX | 56 | 88 | 96 | 100 | 101 | 102 | 109 | 109 | 112 | 106 | 101 | 92 | 91 | 112 |
| WICHITA FALLS, TX | 52 | 87 | 93 | 100 | 102 | 108 | 117 | 114 | 113 | 108 | 102 | 89 | 88 | 117 |
| MILFORD, UT | 41 | 66 | 75 | 80 | 87 | 94 | 105 | 104 | 102 | 98 | 90 | 76 | 65 | 105 |
| SALT LAKE CITY, UT | 70 | 62 | 69 | 78 | 86 | 95 | 104 | 107 | 106 | 100 | 89 | 75 | 69 | 107 |
| BURLINGTON, VT | 55 | 66 | 62 | 84 | 91 | 93 | 100 | 100 | 101 | 94 | 85 | 75 | 67 | 101 |
| LYNCHBURG, VA | 54 | 76 | 79 | 87 | 92 | 93 | 100 | 103 | 102 | 101 | 93 | 83 | 79 | 103 |
| NORFOLK, VA | 50 | 78 | 82 | 88 | 97 | 100 | 101 | 103 | 104 | 99 | 95 | 86 | 80 | 104 |
| RICHMOND, VA | 69 | 80 | 83 | 93 | 96 | 100 | 104 | 105 | 102 | 103 | 99 | 86 | 81 | 105 |
| ROANOKE, VA | 51 | 78 | 80 | 87 | 95 | 96 | 100 | 104 | 105 | 101 | 93 | 83 | 80 | 105 |
| WALLOPS ISLAND, VA | 24 | 72 | 79 | 86 | 93 | 97 | 96 | 101 | 100 | 96 | 89 | 82 | 77 | 101 |
| OLYMPIA, WA | 57 | 63 | 73 | 76 | 87 | 96 | 101 | 103 | 104 | 98 | 90 | 74 | 64 | 104 |
| QUILLAYUTE, WA | 32 | 65 | 73 | 72 | 83 | 92 | 96 | 97 | 99 | 97 | 83 | 69 | 64 | 99 |
| SEATTLE C.O., WA | 65 | 66 | 74 | 75 | 87 | 92 | 100 | 100 | 97 | 92 | 82 | 73 | 65 | 100 |
| SEATTLE SEA-TAC AP, WA | 54 | 64 | 70 | 75 | 85 | 93 | 96 | 100 | 99 | 98 | 89 | 74 | 64 | 100 |
| SPOKANE, WA | 51 | 59 | 63 | 71 | 90 | 96 | 101 | 103 | 108 | 98 | 86 | 67 | 56 | 108 |
| WALLA WALLA, WA | 12 | 67 | 75 | 77 | 87 | 99 | 107 | 112 | 109 | 99 | 87 | 73 | 65 | 112 |
| YAKIMA, WA | 52 | 68 | 69 | 80 | 92 | 102 | 105 | 108 | 110 | 100 | 88 | 73 | 67 | 110 |
| SAN JUAN, PR | 44 | 92 | 96 | 96 | 97 | 96 | 97 | 95 | 97 | 97 | 98 | 96 | 94 | 98 |
| BECKLEY, WV | 35 | 69 | 74 | 81 | 86 | 89 | 90 | 94 | 96 | 92 | 81 | 78 | 73 | 96 |
| CHARLESTON, WV | 51 | 79 | 78 | 89 | 94 | 93 | 98 | 104 | 101 | 102 | 92 | 85 | 80 | 104 |
| ELKINS, WV | 54 | 76 | 72 | 84 | 89 | 93 | 93 | 99 | 95 | 97 | 86 | 80 | 76 | 99 |
| HUNTINGTON, WV | 38 | 74 | 79 | 86 | 92 | 93 | 100 | 102 | 100 | 97 | 87 | 82 | 80 | 102 |
| GREEN BAY, WI | 49 | 50 | 55 | 77 | 89 | 91 | 98 | 103 | 99 | 95 | 88 | 72 | 62 | 103 |
| LA CROSSE, WI | 46 | 57 | 64 | 84 | 93 | 94 | 102 | 108 | 105 | 100 | 93 | 75 | 67 | 108 |
| MADISON, WI | 59 | 56 | 61 | 82 | 94 | 93 | 101 | 104 | 102 | 99 | 90 | 76 | 62 | 104 |
| MILWAUKEE, WI | 58 | 62 | 65 | 82 | 91 | 93 | 101 | 103 | 103 | 98 | 89 | 77 | 64 | 103 |
| CASPER, WY | 48 | 60 | 68 | 74 | 84 | 92 | 102 | 104 | 102 | 97 | 87 | 71 | 63 | 104 |
| CHEYENNE, WY | 63 | 66 | 71 | 74 | 83 | 90 | 100 | 100 | 96 | 95 | 83 | 73 | 69 | 100 |
| LANDER, WY | 52 | 63 | 68 | 76 | 82 | 91 | 100 | 101 | 101 | 94 | 85 | 70 | 64 | 101 |
| SHERIDAN, WY | 58 | 70 | 76 | 77 | 87 | 95 | 105 | 106 | 106 | 103 | 92 | 78 | 72 | 106 |
Last Updated on 5/25/2000
By NRCC