| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BIRMINGHAM C.O.,AL | 11 | 10 | 10 | 11 | 9 | 10 | 9 | 12 | 10 | 9 | 8 | 10 | 9 | 117 |
| BIRMINGHAM AP,AL | 55 | 11 | 10 | 11 | 9 | 10 | 10 | 12 | 10 | 8 | 6 | 9 | 11 | 117 |
| HUNTSVILLE, AL | 31 | 12 | 10 | 12 | 10 | 10 | 10 | 11 | 9 | 8 | 7 | 10 | 11 | 119 |
| MOBILE, AL | 57 | 11 | 10 | 10 | 8 | 8 | 11 | 16 | 14 | 10 | 6 | 8 | 10 | 122 |
| MONTGOMERY, AL | 54 | 11 | 9 | 10 | 8 | 8 | 9 | 12 | 9 | 8 | 6 | 8 | 10 | 108 |
| ANCHORAGE, AK | 34 | 8 | 8 | 7 | 6 | 7 | 8 | 11 | 14 | 14 | 12 | 10 | 11 | 115 |
| ANNETTE, AK | 51 | 20 | 19 | 20 | 18 | 17 | 15 | 14 | 15 | 18 | 24 | 22 | 23 | 224 |
| BARROW, AK | 78 | 4 | 4 | 4 | 4 | 4 | 5 | 9 | 11 | 11 | 11 | 6 | 5 | 78 |
| BARTER IS.,AK | 39 | 5 | 5 | 5 | 6 | 6 | 6 | 8 | 12 | 10 | 12 | 8 | 5 | 87 |
| BETHEL, AK | 40 | 8 | 7 | 9 | 9 | 11 | 13 | 15 | 18 | 16 | 12 | 12 | 11 | 140 |
| BETTLES,AK | 39 | 7 | 7 | 7 | 5 | 7 | 10 | 11 | 14 | 12 | 11 | 10 | 10 | 112 |
| BIG DELTA,AK | 38 | 6 | 5 | 4 | 4 | 7 | 12 | 13 | 12 | 9 | 9 | 7 | 6 | 93 |
| COLD BAY,AK | 53 | 19 | 17 | 18 | 16 | 17 | 16 | 17 | 20 | 21 | 23 | 22 | 21 | 227 |
| FAIRBANKS, AK | 47 | 7 | 7 | 6 | 4 | 7 | 11 | 12 | 13 | 10 | 11 | 10 | 9 | 106 |
| GULKANA,AK | 40 | 7 | 6 | 5 | 3 | 5 | 9 | 13 | 12 | 11 | 9 | 7 | 8 | 95 |
| HOMER, AK | 42 | 13 | 11 | 11 | 9 | 10 | 9 | 11 | 13 | 16 | 15 | 12 | 15 | 145 |
| JUNEAU, AK | 54 | 18 | 17 | 18 | 17 | 17 | 15 | 17 | 18 | 20 | 23 | 20 | 21 | 222 |
| KING SALMON, AK | 53 | 11 | 9 | 11 | 10 | 12 | 13 | 15 | 17 | 17 | 13 | 12 | 12 | 152 |
| KODIAK, AK | 49 | 17 | 16 | 16 | 16 | 17 | 15 | 15 | 14 | 16 | 16 | 16 | 17 | 193 |
| KOTZEBUE, AK | 55 | 8 | 7 | 7 | 7 | 6 | 6 | 11 | 14 | 12 | 11 | 10 | 9 | 109 |
| MCGRATH, AK | 56 | 10 | 8 | 9 | 7 | 10 | 13 | 15 | 17 | 14 | 12 | 12 | 12 | 138 |
| NOME, AK | 52 | 11 | 8 | 9 | 9 | 8 | 9 | 12 | 16 | 14 | 11 | 12 | 10 | 130 |
| ST. PAUL ISLAND, AK | 80 | 18 | 15 | 15 | 14 | 14 | 12 | 15 | 18 | 20 | 22 | 22 | 20 | 204 |
| TALKEETNA, AK | 44 | 9 | 9 | 9 | 7 | 12 | 13 | 15 | 16 | 16 | 13 | 10 | 12 | 140 |
| UNALAKLEET, AK | 17 | 6 | 5 | 6 | 6 | 6 | 8 | 12 | 16 | 12 | 10 | 8 | 8 | 103 |
| VALDEZ, AK | 26 | 16 | 15 | 15 | 14 | 16 | 15 | 17 | 17 | 20 | 19 | 15 | 18 | 199 |
| YAKUTAT, AK | 52 | 19 | 18 | 19 | 18 | 19 | 17 | 18 | 18 | 21 | 24 | 21 | 22 | 233 |
| FLAGSTAFF, AZ | 49 | 8 | 7 | 8 | 6 | 4 | 3 | 11 | 12 | 7 | 5 | 5 | 6 | 83 |
| PHOENIX, AZ | 59 | 4 | 4 | 4 | 2 | 1 | 1 | 4 | 5 | 3 | 3 | 3 | 4 | 36 |
| TUCSON, AZ | 58 | 5 | 4 | 4 | 2 | 2 | 2 | 10 | 9 | 5 | 3 | 3 | 5 | 53 |
| WINSLOW, AZ | 67 | 4 | 5 | 5 | 3 | 3 | 2 | 7 | 9 | 5 | 4 | 3 | 4 | 54 |
| YUMA, AZ | 45 | 3 | 2 | 2 | 1 | * | * | 1 | 2 | 1 | 1 | 1 | 2 | 17 |
| FORT SMITH, AR | 53 | 8 | 8 | 9 | 10 | 10 | 8 | 7 | 7 | 8 | 7 | 7 | 7 | 97 |
| LITTLE ROCK, AR | 56 | 10 | 9 | 10 | 10 | 10 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 105 |
| NORTH LITTLE ROCK, AR | 21 | 10 | 9 | 10 | 10 | 11 | 9 | 9 | 7 | 8 | 8 | 9 | 10 | 109 |
| BAKERSFIELD, CA | 61 | 6 | 7 | 7 | 4 | 2 | 1 | * | * | 1 | 2 | 4 | 5 | 37 |
| BISHOP, CA | 51 | 4 | 3 | 3 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 30 |
| BLUE CANYON, CA | 49 | 12 | 11 | 13 | 10 | 7 | 3 | 1 | 1 | 3 | 6 | 10 | 12 | 90 |
| EUREKA, CA. | 88 | 16 | 14 | 16 | 12 | 9 | 5 | 2 | 3 | 5 | 9 | 13 | 16 | 119 |
| FRESNO, CA | 49 | 8 | 7 | 7 | 4 | 2 | 1 | * | * | 1 | 2 | 5 | 7 | 45 |
| LONG BEACH, CA | 54 | 6 | 5 | 5 | 3 | 1 | * | * | * | 1 | 2 | 3 | 5 | 32 |
| LOS ANGELES AP, CA | 63 | 6 | 6 | 6 | 3 | 1 | 1 | 1 | * | 1 | 2 | 3 | 5 | 35 |
| LOS ANGELES C.O., CA | 58 | 6 | 6 | 6 | 3 | 1 | 1 | * | 1 | 1 | 2 | 3 | 5 | 35 |
| MOUNT SHASTA, CA | 42 | 12 | 11 | 12 | 9 | 7 | 5 | 2 | 2 | 3 | 6 | 10 | 12 | 93 |
| REDDING, CA | 12 | 14 | 10 | 12 | 8 | 8 | 4 | 1 | 1 | 2 | 4 | 9 | 11 | 84 |
| SACRAMENTO, CA | 59 | 10 | 9 | 9 | 5 | 3 | 1 | * | * | 1 | 3 | 7 | 9 | 58 |
| SAN DIEGO, CA | 58 | 7 | 6 | 7 | 4 | 2 | 1 | * | 0 | 1 | 2 | 4 | 6 | 42 |
| SAN FRANCISCO AP, CA | 71 | 11 | 10 | 10 | 6 | 3 | 1 | * | * | 1 | 4 | 7 | 10 | 63 |
| SAN FRANCISCO C.O., CA | 62 | 11 | 10 | 11 | 6 | 3 | 1 | * | 1 | 2 | 4 | 8 | 10 | 68 |
| SANTA BARBARA, CA | 12 | 6 | 6 | 6 | 2 | 1 | 1 | 1 | * | 1 | 2 | 3 | 5 | 33 |
| SANTA MARIA, CA | 56 | 8 | 8 | 8 | 4 | 2 | 1 | * | * | 1 | 2 | 5 | 6 | 46 |
| STOCKTON, CA | 56 | 9 | 8 | 8 | 5 | 3 | 1 | * | * | 1 | 3 | 7 | 7 | 52 |
| ALAMOSA, CO | 52 | 4 | 4 | 5 | 5 | 6 | 5 | 9 | 10 | 6 | 5 | 4 | 4 | 67 |
| COLORADO SPRINGS, CO | 50 | 5 | 5 | 7 | 8 | 10 | 10 | 13 | 12 | 7 | 5 | 4 | 4 | 91 |
| DENVER, CO | 61 | 6 | 6 | 9 | 9 | 11 | 9 | 9 | 9 | 6 | 5 | 6 | 5 | 89 |
| GRAND JUNCTION, CO | 52 | 7 | 6 | 8 | 7 | 6 | 4 | 5 | 7 | 6 | 6 | 6 | 6 | 73 |
| PUEBLO, CO | 56 | 4 | 4 | 6 | 6 | 8 | 7 | 9 | 9 | 5 | 4 | 4 | 4 | 71 |
| BRIDGEPORT, CT | 50 | 11 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 7 | 10 | 11 | 118 |
| HARTFORD, CT | 44 | 11 | 10 | 12 | 11 | 12 | 11 | 10 | 10 | 10 | 9 | 11 | 12 | 128 |
| WILMINGTON, DE | 51 | 11 | 9 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 9 | 10 | 117 |
| WASHINGTON DULLES AP, D.C. | 35 | 10 | 9 | 10 | 10 | 12 | 10 | 10 | 9 | 9 | 8 | 9 | 10 | 118 |
| WASHINGTON NAT'L AP, D.C. | 57 | 10 | 9 | 11 | 10 | 11 | 10 | 10 | 9 | 8 | 7 | 9 | 9 | 113 |
| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| APALACHICOLA, FL | 63 | 9 | 8 | 8 | 6 | 5 | 10 | 15 | 14 | 11 | 5 | 6 | 8 | 105 |
| DAYTONA BEACH, FL | 55 | 7 | 8 | 8 | 6 | 8 | 12 | 13 | 14 | 13 | 11 | 7 | 7 | 115 |
| FORT MYERS, FL | 55 | 6 | 6 | 6 | 5 | 8 | 15 | 18 | 18 | 15 | 8 | 4 | 5 | 112 |
| GAINESVILLE, FL | 15 | 9 | 7 | 8 | 6 | 7 | 13 | 15 | 16 | 12 | 8 | 7 | 7 | 116 |
| JACKSONVILLE, FL | 57 | 8 | 8 | 8 | 6 | 8 | 12 | 15 | 15 | 13 | 9 | 7 | 8 | 116 |
| KEY WEST, FL | 50 | 7 | 5 | 5 | 5 | 8 | 11 | 12 | 14 | 16 | 11 | 7 | 7 | 109 |
| MIAMI, FL | 56 | 7 | 6 | 6 | 6 | 10 | 15 | 16 | 17 | 17 | 14 | 8 | 7 | 131 |
| ORLANDO, FL | 56 | 6 | 7 | 8 | 6 | 8 | 14 | 17 | 16 | 14 | 9 | 6 | 6 | 116 |
| PENSACOLA, FL | 35 | 10 | 9 | 9 | 7 | 7 | 10 | 14 | 13 | 9 | 5 | 8 | 9 | 110 |
| TALLAHASSEE, FL | 37 | 10 | 9 | 9 | 7 | 8 | 13 | 17 | 14 | 9 | 5 | 7 | 8 | 115 |
| TAMPA, FL | 52 | 7 | 7 | 7 | 5 | 6 | 12 | 16 | 16 | 13 | 7 | 5 | 6 | 107 |
| VERO BEACH, FL | 15 | 9 | 8 | 8 | 7 | 9 | 13 | 13 | 14 | 16 | 13 | 9 | 8 | 127 |
| WEST PALM BEACH, FL | 56 | 8 | 7 | 8 | 7 | 11 | 14 | 15 | 16 | 17 | 13 | 9 | 8 | 134 |
| ATHENS, GA | 55 | 11 | 9 | 11 | 9 | 9 | 9 | 11 | 9 | 8 | 7 | 8 | 10 | 111 |
| ATLANTA, GA | 64 | 12 | 10 | 11 | 9 | 9 | 10 | 12 | 10 | 8 | 7 | 9 | 10 | 116 |
| AUGUSTA,GA | 48 | 10 | 9 | 10 | 8 | 9 | 10 | 11 | 10 | 8 | 6 | 7 | 9 | 108 |
| COLUMBUS, GA | 53 | 10 | 10 | 10 | 8 | 8 | 9 | 13 | 10 | 8 | 6 | 8 | 10 | 110 |
| MACON, GA | 50 | 11 | 10 | 10 | 8 | 9 | 10 | 13 | 10 | 8 | 6 | 7 | 9 | 110 |
| SAVANNAH, GA | 48 | 9 | 9 | 9 | 7 | 8 | 11 | 14 | 13 | 10 | 6 | 7 | 8 | 111 |
| HILO, HI | 56 | 17 | 17 | 23 | 25 | 25 | 25 | 28 | 26 | 24 | 24 | 23 | 21 | 278 |
| HONOLULU,HI | 49 | 9 | 9 | 9 | 9 | 7 | 6 | 7 | 6 | 7 | 9 | 9 | 10 | 97 |
| KAHULUI, HI | 40 | 10 | 10 | 11 | 10 | 6 | 6 | 7 | 6 | 5 | 7 | 10 | 11 | 100 |
| LIHUE, HI | 48 | 15 | 13 | 16 | 17 | 16 | 17 | 20 | 18 | 16 | 18 | 18 | 17 | 200 |
| BOISE, ID | 59 | 12 | 10 | 10 | 8 | 8 | 6 | 3 | 2 | 4 | 6 | 10 | 11 | 90 |
| LEWISTON, ID | 52 | 12 | 9 | 11 | 10 | 10 | 9 | 5 | 4 | 5 | 8 | 11 | 11 | 104 |
| POCATELLO, ID | 49 | 12 | 10 | 10 | 8 | 10 | 7 | 4 | 4 | 5 | 5 | 9 | 11 | 97 |
| CAIRO,IL | 45 | 10 | 9 | 12 | 11 | 11 | 9 | 9 | 8 | 7 | 7 | 9 | 10 | 112 |
| CHICAGO,IL | 40 | 11 | 9 | 12 | 13 | 11 | 10 | 10 | 9 | 9 | 9 | 11 | 11 | 125 |
| MOLINE, IL | 66 | 9 | 8 | 11 | 11 | 12 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 114 |
| PEORIA, IL | 59 | 9 | 8 | 11 | 12 | 12 | 10 | 9 | 8 | 9 | 8 | 9 | 10 | 114 |
| ROCKFORD, IL | 48 | 9 | 8 | 11 | 12 | 12 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 118 |
| SPRINGFIELD, IL | 51 | 9 | 9 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 114 |
| EVANSVILLE, IN | 58 | 10 | 9 | 12 | 12 | 11 | 10 | 9 | 7 | 7 | 8 | 10 | 10 | 115 |
| FORT WAYNE, IN | 52 | 12 | 10 | 13 | 13 | 12 | 10 | 10 | 9 | 9 | 9 | 11 | 13 | 132 |
| INDIANAPOLIS, IN | 59 | 12 | 10 | 13 | 12 | 12 | 10 | 10 | 9 | 8 | 8 | 10 | 12 | 126 |
| SOUTH BEND, IN | 59 | 16 | 13 | 14 | 13 | 12 | 11 | 9 | 9 | 9 | 10 | 13 | 15 | 144 |
| DES MOINES, IA | 59 | 8 | 7 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 8 | 7 | 8 | 108 |
| DUBUQUE,IA | 46 | 9 | 8 | 11 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 117 |
| SIOUX CITY, IA | 58 | 7 | 6 | 9 | 10 | 11 | 11 | 9 | 9 | 8 | 6 | 6 | 7 | 99 |
| WATERLOO, IA | 48 | 7 | 7 | 9 | 10 | 11 | 10 | 9 | 9 | 9 | 7 | 7 | 7 | 104 |
| CONCORDIA, KS | 36 | 5 | 5 | 8 | 9 | 11 | 10 | 9 | 9 | 8 | 6 | 6 | 5 | 90 |
| DODGE CITY, KS | 56 | 5 | 5 | 7 | 7 | 10 | 9 | 9 | 8 | 6 | 5 | 4 | 4 | 78 |
| GOODLAND, KS | 78 | 4 | 5 | 6 | 7 | 10 | 9 | 9 | 8 | 5 | 5 | 4 | 4 | 77 |
| TOPEKA, KS | 52 | 6 | 6 | 9 | 10 | 12 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 97 |
| WICHITA, KS | 45 | 5 | 5 | 8 | 8 | 11 | 9 | 8 | 8 | 8 | 6 | 5 | 6 | 86 |
| GREATER CINCINNATI AP | 51 | 12 | 11 | 13 | 13 | 12 | 11 | 10 | 9 | 8 | 8 | 11 | 12 | 131 |
| JACKSON, KY | 18 | 14 | 13 | 14 | 12 | 14 | 12 | 12 | 9 | 9 | 9 | 12 | 14 | 145 |
| LEXINGTON, KY | 54 | 12 | 11 | 13 | 12 | 12 | 11 | 11 | 9 | 8 | 8 | 11 | 12 | 130 |
| LOUISVILLE, KY | 51 | 11 | 11 | 13 | 12 | 12 | 10 | 10 | 8 | 8 | 7 | 10 | 11 | 125 |
| PADUCAH KY | 15 | 9 | 9 | 11 | 11 | 10 | 9 | 8 | 7 | 7 | 8 | 10 | 10 | 111 |
| BATON ROUGE, LA | 47 | 10 | 9 | 9 | 8 | 8 | 10 | 13 | 12 | 9 | 6 | 8 | 10 | 111 |
| LAKE CHARLES, LA | 37 | 10 | 8 | 8 | 7 | 8 | 9 | 11 | 11 | 9 | 6 | 8 | 9 | 104 |
| NEW ORLEANS, LA | 50 | 10 | 9 | 9 | 7 | 8 | 11 | 14 | 13 | 10 | 6 | 7 | 10 | 115 |
| SHREVEPORT, LA | 46 | 10 | 8 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 99 |
| CARIBOU, ME | 59 | 15 | 12 | 13 | 13 | 14 | 14 | 14 | 13 | 12 | 13 | 14 | 15 | 161 |
| PORTLAND, ME | 58 | 11 | 10 | 11 | 12 | 13 | 11 | 10 | 9 | 9 | 9 | 11 | 12 | 129 |
| BALTIMORE, MD | 48 | 11 | 9 | 11 | 11 | 11 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 114 |
| BLUE HILL, MA | 113 | 12 | 11 | 13 | 12 | 12 | 11 | 11 | 10 | 9 | 10 | 11 | 12 | 134 |
| BOSTON, MA | 47 | 12 | 10 | 12 | 11 | 12 | 11 | 9 | 10 | 9 | 9 | 11 | 12 | 127 |
| WORCESTER, MA | 43 | 12 | 11 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 9 | 12 | 12 | 133 |
| ALPENA, MI | 39 | 15 | 11 | 12 | 12 | 11 | 11 | 10 | 11 | 13 | 12 | 14 | 15 | 147 |
| DETROIT, MI | 40 | 13 | 11 | 13 | 13 | 11 | 10 | 10 | 10 | 10 | 10 | 12 | 13 | 135 |
| FLINT, MI | 57 | 13 | 11 | 13 | 13 | 11 | 10 | 9 | 9 | 10 | 9 | 12 | 13 | 134 |
| GRAND RAPIDS, MI | 35 | 17 | 12 | 13 | 13 | 10 | 10 | 9 | 9 | 11 | 11 | 14 | 16 | 144 |
| HOUGHTON LAKE, MI | 34 | 15 | 11 | 12 | 12 | 10 | 11 | 9 | 10 | 12 | 12 | 14 | 15 | 142 |
| LANSING, MI | 44 | 15 | 12 | 13 | 13 | 11 | 11 | 10 | 10 | 11 | 9 | 13 | 14 | 140 |
| MARQUETTE, MI | 20 | 18 | 13 | 15 | 12 | 11 | 11 | 11 | 12 | 14 | 15 | 16 | 17 | 164 |
| MUSKEGON, MI | 58 | 17 | 13 | 13 | 12 | 11 | 9 | 9 | 9 | 10 | 11 | 14 | 16 | 144 |
| SAULT STE. MARIE, MI | 57 | 19 | 14 | 13 | 11 | 11 | 11 | 10 | 11 | 13 | 14 | 18 | 19 | 166 |
| DULUTH, MN | 57 | 12 | 9 | 11 | 10 | 12 | 13 | 12 | 11 | 12 | 10 | 11 | 11 | 134 |
| INTERNATIONAL FALLS, MN | 59 | 12 | 9 | 10 | 9 | 11 | 13 | 12 | 11 | 12 | 10 | 11 | 12 | 132 |
| MINNEAPOLIS - ST. PAUL, MN | 60 | 9 | 7 | 10 | 10 | 11 | 12 | 10 | 10 | 10 | 8 | 8 | 9 | 116 |
| ROCHESTER, MN | 38 | 9 | 8 | 11 | 12 | 11 | 11 | 10 | 10 | 11 | 9 | 9 | 9 | 120 |
| SAINT CLOUD, MN | 58 | 9 | 7 | 9 | 9 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 9 | 109 |
| JACKSON, MS | 35 | 11 | 9 | 10 | 9 | 9 | 8 | 11 | 10 | 8 | 6 | 8 | 10 | 109 |
| MERIDIAN, MS | 53 | 11 | 9 | 10 | 9 | 9 | 9 | 11 | 9 | 8 | 6 | 8 | 10 | 107 |
| TUPELO, MS | 15 | 11 | 10 | 10 | 9 | 11 | 10 | 9 | 8 | 6 | 8 | 9 | 11 | 112 |
| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| COLUMBIA, MO | 29 | 8 | 8 | 11 | 11 | 12 | 9 | 8 | 8 | 9 | 9 | 10 | 9 | 113 |
| KANSAS CITY, MO | 26 | 7 | 7 | 10 | 11 | 12 | 10 | 9 | 9 | 8 | 7 | 8 | 7 | 105 |
| ST. LOUIS, MO | 41 | 9 | 8 | 11 | 11 | 11 | 9 | 9 | 8 | 8 | 8 | 10 | 9 | 111 |
| SPRINGFIELD, MO | 53 | 8 | 8 | 10 | 11 | 11 | 10 | 8 | 8 | 8 | 8 | 9 | 9 | 109 |
| BILLINGS, MT | 64 | 8 | 7 | 9 | 10 | 11 | 11 | 7 | 6 | 7 | 6 | 6 | 7 | 97 |
| GLASGOW, MT | 43 | 8 | 6 | 7 | 7 | 10 | 11 | 8 | 7 | 6 | 5 | 6 | 8 | 91 |
| GREAT FALLS, MT | 61 | 9 | 8 | 9 | 9 | 12 | 12 | 8 | 8 | 7 | 6 | 7 | 8 | 101 |
| HELENA, MT | 58 | 8 | 6 | 8 | 8 | 11 | 11 | 8 | 8 | 6 | 6 | 7 | 8 | 96 |
| KALISPELL, MT | 49 | 15 | 11 | 11 | 10 | 12 | 12 | 7 | 8 | 8 | 9 | 13 | 15 | 132 |
| MISSOULA, MT | 54 | 14 | 10 | 11 | 10 | 12 | 12 | 7 | 7 | 8 | 8 | 12 | 13 | 124 |
| GRAND ISLAND, NE | 60 | 5 | 6 | 7 | 9 | 11 | 10 | 9 | 8 | 7 | 5 | 5 | 5 | 87 |
| LINCOLN, NE | 27 | 6 | 5 | 9 | 10 | 12 | 9 | 9 | 9 | 8 | 6 | 6 | 6 | 94 |
| NORFOLK, NE | 53 | 6 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 8 | 6 | 5 | 6 | 91 |
| NORTH PLATTE, NE | 46 | 5 | 5 | 7 | 8 | 11 | 10 | 10 | 8 | 6 | 5 | 5 | 4 | 84 |
| OMAHA EPPLEY AP, NE | 62 | 6 | 7 | 9 | 10 | 12 | 11 | 9 | 9 | 8 | 6 | 6 | 6 | 100 |
| OMAHA (NORTH), NE | 18 | 5 | 6 | 10 | 10 | 12 | 10 | 10 | 9 | 8 | 7 | 6 | 7 | 101 |
| SCOTTSBLUFF, NE | 55 | 6 | 5 | 7 | 9 | 12 | 11 | 9 | 7 | 7 | 5 | 5 | 5 | 87 |
| VALENTINE, NE | 43 | 4 | 5 | 7 | 9 | 11 | 10 | 10 | 8 | 6 | 5 | 4 | 4 | 83 |
| ELKO, NV | 68 | 9 | 9 | 9 | 7 | 8 | 6 | 4 | 3 | 4 | 5 | 7 | 9 | 79 |
| ELY, NV | 60 | 7 | 7 | 8 | 8 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 74 |
| LAS VEGAS, NV | 50 | 3 | 3 | 3 | 2 | 1 | 1 | 3 | 3 | 2 | 2 | 2 | 3 | 27 |
| RENO, NV | 56 | 6 | 6 | 6 | 4 | 5 | 3 | 2 | 2 | 3 | 3 | 5 | 6 | 51 |
| WINNEMUCCA, NV | 49 | 8 | 7 | 8 | 7 | 7 | 5 | 2 | 2 | 3 | 4 | 7 | 8 | 70 |
| CONCORD, NH | 57 | 11 | 10 | 11 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 11 | 11 | 126 |
| MT. WASHINGTON, NH | 66 | 19 | 18 | 19 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 19 | 20 | 209 |
| ATLANTIC CITY AP, NJ | 55 | 11 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 8 | 7 | 9 | 10 | 113 |
| ATLANTIC CITY C.O.,NJ | 37 | 10 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 9 | 10 | 110 |
| NEWARK, NJ | 57 | 11 | 10 | 11 | 11 | 12 | 10 | 10 | 9 | 8 | 8 | 10 | 11 | 122 |
| ALBUQUERQUE, NM | 59 | 4 | 4 | 5 | 3 | 4 | 4 | 9 | 10 | 6 | 5 | 4 | 4 | 61 |
| CLAYTON, NM | 49 | 3 | 4 | 5 | 5 | 8 | 8 | 10 | 9 | 6 | 4 | 3 | 3 | 68 |
| ROSWELL, NM | 26 | 4 | 4 | 3 | 3 | 5 | 5 | 7 | 9 | 7 | 4 | 3 | 4 | 56 |
| ALBANY, NY | 52 | 13 | 11 | 12 | 12 | 13 | 11 | 10 | 10 | 10 | 9 | 12 | 12 | 135 |
| BINGHAMTON, NY | 47 | 17 | 14 | 15 | 14 | 13 | 12 | 11 | 11 | 11 | 12 | 15 | 17 | 161 |
| BUFFALO, NY | 55 | 20 | 17 | 16 | 14 | 13 | 11 | 10 | 10 | 11 | 12 | 16 | 19 | 169 |
| ISLIP, NY | 15 | 11 | 9 | 10 | 12 | 11 | 9 | 9 | 8 | 9 | 8 | 10 | 11 | 118 |
| NEW YORK C.PARK, NY | 129 | 11 | 10 | 11 | 11 | 11 | 10 | 11 | 10 | 8 | 8 | 9 | 10 | 121 |
| NEW YORK (JFK AP), NY | 40 | 10 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 10 | 11 | 118 |
| NEW YORK (LAGUARDIA AP), NY | 58 | 11 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 10 | 11 | 119 |
| ROCHESTER, NY | 58 | 18 | 16 | 15 | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 15 | 18 | 160 |
| SYRACUSE, NY | 49 | 19 | 16 | 17 | 14 | 13 | 11 | 11 | 11 | 11 | 12 | 16 | 19 | 171 |
| ASHEVILLE, NC | 34 | 11 | 10 | 12 | 10 | 12 | 12 | 12 | 13 | 10 | 8 | 10 | 10 | 126 |
| CAPE HATTERAS, NC | 41 | 11 | 10 | 11 | 8 | 10 | 9 | 12 | 11 | 9 | 9 | 9 | 10 | 120 |
| CHARLOTTE, NC | 59 | 10 | 10 | 11 | 9 | 10 | 10 | 11 | 10 | 7 | 7 | 8 | 10 | 112 |
| GREENSBORO - WNSTN-SALM, NC | 70 | 10 | 10 | 11 | 9 | 10 | 10 | 12 | 10 | 8 | 7 | 8 | 10 | 116 |
| RALEIGH, NC | 54 | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 10 | 8 | 7 | 8 | 9 | 113 |
| WILMINGTON, NC | 47 | 11 | 10 | 10 | 8 | 9 | 10 | 13 | 12 | 10 | 7 | 8 | 9 | 117 |
| BISMARCK, ND | 59 | 8 | 7 | 8 | 8 | 10 | 11 | 9 | 8 | 7 | 6 | 7 | 8 | 96 |
| FARGO, ND | 56 | 9 | 7 | 8 | 8 | 10 | 11 | 10 | 9 | 8 | 7 | 6 | 8 | 100 |
| WILLISTON, ND | 37 | 8 | 6 | 8 | 8 | 10 | 11 | 9 | 7 | 7 | 5 | 7 | 9 | 94 |
| AKRON, OH | 50 | 16 | 14 | 16 | 14 | 13 | 11 | 11 | 10 | 10 | 10 | 14 | 15 | 155 |
| CLEVELAND, OH | 57 | 16 | 14 | 15 | 15 | 13 | 11 | 10 | 10 | 10 | 11 | 14 | 16 | 155 |
| COLUMBUS, OH | 59 | 13 | 11 | 14 | 13 | 13 | 11 | 11 | 9 | 8 | 9 | 11 | 13 | 137 |
| DAYTON, OH | 55 | 13 | 11 | 13 | 13 | 12 | 11 | 10 | 9 | 8 | 9 | 11 | 12 | 132 |
| MANSFIELD, OH | 39 | 13 | 12 | 14 | 14 | 13 | 11 | 10 | 10 | 9 | 10 | 13 | 14 | 143 |
| TOLEDO, OH | 43 | 13 | 11 | 13 | 13 | 12 | 10 | 9 | 9 | 10 | 9 | 12 | 14 | 135 |
| YOUNGSTOWN, OH | 55 | 17 | 15 | 15 | 15 | 13 | 12 | 11 | 10 | 10 | 11 | 15 | 17 | 159 |
| OKLAHOMA CITY, OK | 59 | 5 | 6 | 7 | 8 | 10 | 8 | 6 | 7 | 7 | 7 | 5 | 6 | 83 |
| TULSA, OK | 59 | 6 | 7 | 8 | 9 | 10 | 9 | 6 | 7 | 8 | 7 | 6 | 7 | 91 |
| ASTORIA, OR | 45 | 22 | 19 | 20 | 18 | 15 | 13 | 8 | 8 | 10 | 16 | 21 | 22 | 193 |
| BURNS,OR | 14 | 11 | 10 | 11 | 9 | 10 | 7 | 3 | 3 | 5 | 7 | 13 | 11 | 99 |
| EUGENE, OR | 56 | 18 | 15 | 17 | 13 | 10 | 7 | 3 | 4 | 6 | 11 | 17 | 18 | 139 |
| MEDFORD, OR | 69 | 14 | 11 | 12 | 10 | 8 | 5 | 2 | 2 | 4 | 7 | 13 | 14 | 102 |
| PENDLETON, OR | 63 | 12 | 10 | 11 | 9 | 8 | 7 | 3 | 3 | 4 | 7 | 12 | 12 | 98 |
| PORTLAND, OR | 58 | 18 | 16 | 17 | 14 | 12 | 9 | 4 | 5 | 8 | 12 | 18 | 19 | 152 |
| SALEM, OR | 61 | 18 | 16 | 17 | 14 | 11 | 8 | 3 | 4 | 7 | 12 | 18 | 19 | 147 |
| SEXTON SUMMIT, OR | 44 | 16 | 15 | 17 | 12 | 9 | 6 | 2 | 3 | 5 | 10 | 16 | 17 | 126 |
| GUAM, PC | 42 | 20 | 18 | 19 | 20 | 20 | 24 | 26 | 26 | 25 | 25 | 25 | 23 | 271 |
| JOHNSTON ISLAND, PC | 28 | 11 | 12 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 16 | 15 | 16 | 162 |
| KOROR, PC | 47 | 23 | 19 | 20 | 19 | 23 | 25 | 24 | 22 | 21 | 23 | 22 | 24 | 265 |
| KWAJALEIN, MARSHALL IS., PC | 46 | 16 | 13 | 15 | 18 | 21 | 23 | 23 | 23 | 22 | 23 | 23 | 19 | 239 |
| MAJURO, MARSHALL IS, PC | 44 | 17 | 15 | 18 | 21 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 257 |
| PAGO PAGO, AMER SAMOA, PC | 32 | 24 | 22 | 23 | 22 | 20 | 19 | 19 | 18 | 17 | 22 | 20 | 23 | 249 |
| POHNPEI, CAROLINE IS., PC | 47 | 22 | 19 | 22 | 24 | 27 | 27 | 27 | 26 | 24 | 25 | 25 | 25 | 294 |
| CHUUK, E. CAROLINE IS., PC | 47 | 19 | 16 | 19 | 20 | 24 | 24 | 24 | 24 | 22 | 23 | 23 | 23 | 263 |
| WAKE ISLAND, PC | 50 | 11 | 10 | 12 | 14 | 15 | 15 | 19 | 19 | 19 | 19 | 15 | 13 | 180 |
| YAP, W CAROLINE IS., PC | 50 | 21 | 18 | 18 | 17 | 21 | 24 | 24 | 24 | 23 | 24 | 22 | 22 | 257 |
| Data through 1998 | Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ALLENTOWN, PA | 55 | 11 | 10 | 11 | 11 | 12 | 11 | 10 | 10 | 9 | 8 | 10 | 11 | 125 |
| ERIE, PA. | 45 | 18 | 15 | 15 | 14 | 12 | 10 | 10 | 11 | 11 | 13 | 16 | 19 | 164 |
| HARRISBURG, PA | 13 | 11 | 10 | 11 | 13 | 13 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 125 |
| MIDDLETOWN / HARRISBURG, PA | 20 | 11 | 10 | 11 | 12 | 13 | 11 | 10 | 9 | 9 | 8 | 10 | 10 | 124 |
| PHILADELPHIA, PA | 58 | 11 | 9 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 9 | 10 | 117 |
| PITTSBURGH, PA | 46 | 16 | 14 | 16 | 14 | 13 | 12 | 11 | 10 | 10 | 10 | 13 | 16 | 153 |
| AVOCA, PA | 43 | 12 | 11 | 13 | 12 | 13 | 12 | 11 | 11 | 10 | 10 | 12 | 13 | 140 |
| WILLIAMSPORT, PA | 54 | 12 | 11 | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 12 | 12 | 140 |
| BLOCK IS.,RI | 36 | 10 | 9 | 11 | 10 | 10 | 9 | 7 | 8 | 7 | 8 | 10 | 11 | 110 |
| PROVIDENCE, RI | 45 | 11 | 10 | 12 | 11 | 12 | 11 | 9 | 9 | 9 | 9 | 11 | 12 | 125 |
| CHARLESTON AP,SC | 56 | 10 | 9 | 10 | 7 | 9 | 11 | 14 | 13 | 10 | 6 | 7 | 9 | 114 |
| CHARLESTON C.O.,SC | 24 | 10 | 8 | 8 | 7 | 8 | 11 | 10 | 11 | 9 | 6 | 7 | 9 | 106 |
| COLUMBIA, SC | 51 | 10 | 10 | 10 | 8 | 9 | 10 | 12 | 11 | 8 | 6 | 7 | 9 | 110 |
| GREENVILLE - SPARTANBRG, SC | 36 | 11 | 9 | 11 | 9 | 11 | 10 | 12 | 10 | 9 | 7 | 9 | 10 | 119 |
| ABERDEEN, SD | 67 | 6 | 6 | 7 | 8 | 10 | 10 | 9 | 8 | 6 | 5 | 6 | 6 | 89 |
| HURON, SD | 59 | 6 | 7 | 8 | 9 | 10 | 11 | 9 | 8 | 7 | 6 | 6 | 6 | 92 |
| RAPID CITY, SD | 56 | 7 | 7 | 9 | 10 | 12 | 12 | 9 | 8 | 6 | 5 | 6 | 6 | 97 |
| SIOUX FALLS, SD | 53 | 6 | 7 | 9 | 9 | 11 | 11 | 10 | 9 | 8 | 6 | 6 | 6 | 99 |
| BRISTOL - JOHNSON CITY,TN | 53 | 14 | 12 | 13 | 11 | 12 | 11 | 12 | 10 | 8 | 8 | 10 | 12 | 134 |
| CHATTANOOGA, TN | 68 | 12 | 10 | 12 | 10 | 10 | 10 | 12 | 10 | 8 | 7 | 9 | 11 | 121 |
| KNOXVILLE, TN | 56 | 12 | 11 | 13 | 11 | 11 | 11 | 11 | 9 | 8 | 8 | 10 | 11 | 127 |
| MEMPHIS, TN | 48 | 10 | 9 | 11 | 10 | 9 | 9 | 9 | 7 | 7 | 7 | 9 | 10 | 107 |
| NASHVILLE, TN | 57 | 11 | 11 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 10 | 11 | 119 |
| OAK RIDGE,TN | 50 | 13 | 11 | 13 | 11 | 11 | 11 | 12 | 10 | 8 | 8 | 10 | 11 | 129 |
| ABILENE, TX | 59 | 5 | 5 | 5 | 6 | 8 | 6 | 5 | 6 | 6 | 6 | 4 | 5 | 67 |
| AMARILLO, TX | 57 | 4 | 4 | 5 | 5 | 8 | 8 | 8 | 8 | 6 | 5 | 3 | 4 | 70 |
| AUSTIN, TX | 57 | 8 | 8 | 7 | 7 | 9 | 7 | 5 | 5 | 7 | 7 | 7 | 7 | 85 |
| BROWNSVILLE, TX | 56 | 8 | 6 | 4 | 4 | 5 | 6 | 4 | 7 | 10 | 7 | 6 | 7 | 73 |
| CORPUS CHRISTI, TX | 59 | 8 | 7 | 5 | 5 | 7 | 6 | 5 | 6 | 9 | 7 | 6 | 7 | 77 |
| DALLAS - FORT WORTH, TX | 45 | 7 | 7 | 7 | 8 | 9 | 7 | 5 | 5 | 7 | 6 | 6 | 7 | 79 |
| DEL RIO, TX | 35 | 5 | 5 | 5 | 5 | 7 | 5 | 4 | 4 | 6 | 5 | 5 | 5 | 62 |
| EL PASO, TX | 59 | 4 | 3 | 2 | 2 | 2 | 3 | 8 | 8 | 6 | 4 | 3 | 4 | 49 |
| GALVESTON, TX | 123 | 10 | 8 | 8 | 6 | 6 | 7 | 9 | 9 | 9 | 6 | 8 | 10 | 96 |
| HOUSTON, TX | 29 | 11 | 9 | 9 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 106 |
| LUBBOCK, TX | 52 | 4 | 4 | 4 | 4 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 4 | 63 |
| MIDLAND - ODESSA, TX | 51 | 4 | 4 | 3 | 3 | 6 | 5 | 5 | 6 | 6 | 4 | 3 | 3 | 52 |
| PORT ARTHUR, TX | 45 | 10 | 9 | 8 | 7 | 7 | 8 | 11 | 12 | 10 | 6 | 8 | 9 | 106 |
| SAN ANGELO, TX | 51 | 5 | 5 | 4 | 5 | 7 | 5 | 4 | 5 | 6 | 5 | 4 | 4 | 59 |
| SAN ANTONIO, TX | 56 | 8 | 8 | 7 | 7 | 8 | 7 | 4 | 5 | 7 | 6 | 7 | 8 | 82 |
| VICTORIA, TX | 37 | 8 | 7 | 7 | 6 | 7 | 8 | 7 | 9 | 10 | 7 | 7 | 8 | 92 |
| WACO, TX | 55 | 7 | 7 | 7 | 7 | 9 | 6 | 4 | 5 | 6 | 6 | 7 | 6 | 80 |
| WICHITA FALLS, TX | 55 | 5 | 6 | 6 | 6 | 9 | 7 | 5 | 6 | 6 | 6 | 5 | 5 | 72 |
| MILFORD, UT | 41 | 7 | 7 | 8 | 6 | 5 | 3 | 5 | 6 | 4 | 4 | 5 | 6 | 67 |
| SALT LAKE CITY, UT | 70 | 10 | 9 | 10 | 10 | 8 | 5 | 5 | 6 | 5 | 6 | 8 | 9 | 91 |
| BURLINGTON, VT | 55 | 15 | 12 | 13 | 12 | 14 | 12 | 12 | 13 | 12 | 12 | 14 | 15 | 155 |
| LYNCHBURG, VA | 54 | 11 | 10 | 11 | 10 | 12 | 10 | 11 | 10 | 8 | 8 | 9 | 10 | 119 |
| NORFOLK, VA | 50 | 11 | 10 | 11 | 10 | 10 | 9 | 11 | 10 | 8 | 8 | 8 | 9 | 116 |
| RICHMOND, VA | 61 | 10 | 9 | 11 | 9 | 11 | 9 | 11 | 9 | 8 | 7 | 8 | 9 | 114 |
| ROANOKE, VA | 51 | 10 | 10 | 11 | 10 | 12 | 10 | 12 | 10 | 8 | 8 | 9 | 9 | 119 |
| WALLOPS ISLAND, VA | 24 | 11 | 10 | 11 | 10 | 10 | 9 | 11 | 8 | 8 | 8 | 9 | 10 | 114 |
| OLYMPIA, WA | 57 | 20 | 17 | 18 | 15 | 11 | 9 | 5 | 6 | 8 | 14 | 20 | 21 | 163 |
| QUILLAYUTE, WA | 32 | 22 | 19 | 21 | 20 | 16 | 14 | 11 | 10 | 12 | 18 | 22 | 23 | 209 |
| SEATTLE C.O., WA | 48 | 18 | 15 | 17 | 14 | 11 | 9 | 5 | 6 | 8 | 11 | 18 | 18 | 151 |
| SEATTLE SEA-TAC AP, WA | 54 | 19 | 16 | 17 | 14 | 10 | 9 | 5 | 6 | 9 | 13 | 18 | 19 | 155 |
| SPOKANE, WA | 51 | 14 | 11 | 11 | 9 | 10 | 8 | 5 | 5 | 6 | 8 | 13 | 15 | 113 |
| WALLA WALLA, WA | 12 | 13 | 10 | 12 | 10 | 9 | 8 | 4 | 3 | 4 | 7 | 16 | 12 | 107 |
| YAKIMA, WA | 52 | 10 | 7 | 7 | 5 | 5 | 5 | 2 | 3 | 3 | 5 | 9 | 10 | 70 |
| SAN JUAN, PR | 43 | 17 | 13 | 13 | 13 | 16 | 15 | 19 | 18 | 18 | 17 | 19 | 19 | 196 |
| BECKLEY, WV | 35 | 16 | 15 | 16 | 15 | 14 | 13 | 13 | 11 | 11 | 10 | 13 | 15 | 161 |
| CHARLESTON, WV | 51 | 15 | 14 | 15 | 14 | 13 | 12 | 13 | 11 | 9 | 9 | 12 | 14 | 152 |
| ELKINS, WV | 54 | 18 | 16 | 17 | 15 | 15 | 14 | 14 | 12 | 11 | 11 | 14 | 17 | 172 |
| HUNTINGTON, WV | 37 | 14 | 13 | 14 | 13 | 13 | 11 | 12 | 9 | 8 | 9 | 11 | 13 | 140 |
| GREEN BAY, WI | 49 | 10 | 8 | 11 | 11 | 11 | 10 | 10 | 11 | 10 | 9 | 10 | 10 | 121 |
| LA CROSSE, WI | 46 | 9 | 7 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 8 | 8 | 9 | 113 |
| MADISON, WI | 50 | 10 | 8 | 11 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 120 |
| MILWAUKEE, WI | 58 | 11 | 10 | 12 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 10 | 11 | 125 |
| CASPER, WY | 48 | 7 | 8 | 9 | 10 | 11 | 9 | 8 | 6 | 7 | 7 | 7 | 7 | 96 |
| CHEYENNE, WY | 63 | 6 | 6 | 9 | 10 | 12 | 11 | 11 | 10 | 8 | 6 | 6 | 6 | 101 |
| LANDER, WY | 52 | 5 | 5 | 8 | 8 | 9 | 7 | 6 | 5 | 6 | 5 | 5 | 5 | 73 |
| SHERIDAN, WY | 58 | 9 | 8 | 11 | 11 | 12 | 11 | 8 | 6 | 7 | 7 | 8 | 9 | 107 |
This table shows mean number of days per month with at least 0.01 inch of precipitation. This is the smallest amount of precipitation numerically recorded, and includes the liquid water equivalent of frozen precipitation. The frequency of days with precipitation should not be considered as frequency of cloudy days.
Last Updated on 5/26/2000
By NRCC