Growing Degree Day Summary

Base 50 GDD Summary for the Week Ending 2026-9-15
State/Station Last Week Since March 15 Last Season Seasonal Departure
Connecticut
   IGOR I SIKORSKY MEMORIAL AIRPORT 139 2965 2968 118
   HARTFORD-BRADLEY INTERNATIONAL AIRPORT 116 2839 2796 137
Delaware
   WILMINGTON AIRPORT 164 3620 3473 358
Maine
   AUGUSTA STATE AIRPORT 78 2286 2339 222
   CARIBOU WFO 33 1606 1629 -4
   PORTLAND JETPORT 83 2233 2057 154
Maryland
   BALTIMORE-WASHINGTON INTERNATIONAL AIRPORT 173 3707 3638 310
   FROSTBURG 2 124 2579 2463 399
   SALISBURY-WICOMICO REGIONAL AIRPORT 168 3669 3480 319
Massachusetts
   BOSTON LOGAN INTERNATIONAL AIRPORT 126 2913 2747 293
   WORCESTER REGIONAL AIRPORT 102 2429 2398 213
New Hampshire
   BERLIN 42 1670 1751 30
   CONCORD MUNICIPAL AIRPORT 85 2464 2424 234
   LEBANON MUNICIPAL AIRPORT 76 2260 2210 134
New Jersey
   MILLVILLE MUNICIPAL AIRPORT 132 3270 3005 294
   NEWARK LIBERTY INTL AP 160 3585 3600 297
   NEW BRUNSWICK 3 SE 163 3392 3157 403
New York
   ALBANY INTERNATIONAL AIRPORT 107 2631 2671 58
   BINGHAMTON (GREATER AP) 95 2257 2194 219
   BRIDGEHAMPTON 85 2413 2301 179
   BUFFALO NIAGARA INTERNATIONAL AIRPOR 120 2508 2512 126
   FRANKLINVILLE 82 1966 1907 62
   GLENS FALLS/FLOYD BENNETT MEMORIAL AIRPORT 83 2171 2178 102
   ISLIP-LI MACARTHUR AP 138 2956 3097 192
   ITHACA CORNELL UNIV 88 2137 2131 100
   MASSENA INTL AP 78 2138 2120 103
   LAGUARDIA AIRPORT 170 3587 3459 167
   FREDERICK DOUGLASS GREATER ROCHESTER INTERNATIONAL AIRPORT 110 2493 2459 7
   SYRACUSE HANCOCK INTL AP 113 2632 2590 230
   TUPPER LAKE SUNMOUNT 29 688 938 37
   WATERTOWN INTERNATIONAL AIRPORT 82 2060 2162 89
   WESTCHESTER CO AP 92 2814 2849 201
Pennsylvania
   ALTOONA BLAIR COUNTY AP 130 2721 2682 123
   ERIE INTL AP 135 2715 2557 138
   PHILADELPHIA INTL AP 179 3925 3682 509
   PITTSBURGH INTERNATIONAL AIRPORT 156 3106 3088 337
   STATE COLLEGE 132 2790 2724 247
   WELLSBORO 4 SW 84 2063 2047 182
   WILKES-BARRE/SCRANTON INTERNATIONAL AIRPORT 115 2680 2679 -33
   WILLIAMSPORT REGIONAL AP 129 2920 2931 200
Rhode Island
   RHODE ISLAND T.F. GREEN INTERNATIONAL AIRPORT 127 2889 2721 221
Vermont
   BURLINGTON INTERNATIONAL AIRPORT 92 2526 2631 89
   RUTLAND 68 1957 1947 69
District of Columbia
   WASHINGTON REAGAN NATIONAL AIRPORT 188 4160 4022 266
West Virginia
   BECKLEY RALEIGH COUNTY AIRPORT 162 3146 2878 457
   CHARLESTON - WEST VIRGINIA INTERNATIONAL YEAGER AIRPORT 173 3656 3544 346
   SNOWSHOE 107 1907 1685 604

GDD values for missing days are estimated.

NRCC