Growing Degree Day Summary

Base 50 GDD Summary for the Week Ending 2025-9-30
State/Station Last Week Since March 15 Last Season Seasonal Departure
Connecticut
   IGOR I SIKORSKY MEMORIAL AIRPORT 132 3239 3273 166
   HARTFORD-BRADLEY INTERNATIONAL AIRPORT 131 3040 3476 158
Delaware
   WILMINGTON AIRPORT 164 3805 3702 299
Maine
   AUGUSTA STATE AIRPORT 110 2547 2685 357
   CARIBOU WFO 40 1722 2152 38
   PORTLAND JETPORT 107 2246 2381 31
Maryland
   BALTIMORE-WASHINGTON INTERNATIONAL AIRPORT 160 3954 4090 308
   FROSTBURG 2 103 2699 2809 347
   SALISBURY-WICOMICO REGIONAL AIRPORT 165 3798 3724 188
Massachusetts
   BOSTON LOGAN INTERNATIONAL AIRPORT 140 3004 2992 187
   WORCESTER REGIONAL AIRPORT 114 2615 2798 257
New Hampshire
   BERLIN 71 1882 1984 137
   CONCORD MUNICIPAL AIRPORT 110 2617 2622 254
   LEBANON MUNICIPAL AIRPORT 111 2443 2663 254
New Jersey
   MILLVILLE MUNICIPAL AIRPORT 152 3414 3525 169
   NEWARK LIBERTY INTL AP 175 3940 3981 404
   NEW BRUNSWICK 3 SE 158 3454 3564 243
New York
   ALBANY INTERNATIONAL AIRPORT 118 2895 3196 160
   BINGHAMTON (GREATER AP) 102 2393 2533 236
   BRIDGEHAMPTON M 2400 2477 122
   BUFFALO NIAGARA INTERNATIONAL AIRPOR 113 2764 3105 218
   FRANKLINVILLE 80 2083 2287 61
   GLENS FALLS/FLOYD BENNETT MEMORIAL AIRPORT 92 2333 2522 152
   ISLIP-LI MACARTHUR AP 168 3415 3237 436
   ITHACA CORNELL UNIV 90 2307 2449 148
   MASSENA INTL AP 91 2284 2442 137
   LAGUARDIA AIRPORT 172 3792 3792 97
   FREDERICK DOUGLASS GREATER ROCHESTER INTERNATIONAL AIRPORT 109 2686 3013 33
   SYRACUSE HANCOCK INTL AP 114 2813 3260 254
   TUPPER LAKE SUNMOUNT 13 974 1168 6
   WATERTOWN INTERNATIONAL AIRPORT 95 2334 2587 241
   WESTCHESTER CO AP 148 3208 3200 345
Pennsylvania
   ALTOONA BLAIR COUNTY AP 113 2934 3076 166
   ERIE INTL AP 106 2804 3191 35
   PHILADELPHIA INTL AP 179 4037 4035 361
   PITTSBURGH INTERNATIONAL AIRPORT 128 3394 3633 439
   STATE COLLEGE 122 2986 3018 282
   WELLSBORO 4 SW 83 2233 2198 240
   WILKES-BARRE/SCRANTON INTERNATIONAL AIRPORT 125 2932 3202 39
   WILLIAMSPORT REGIONAL AP 132 3212 3324 310
Rhode Island
   RHODE ISLAND T.F. GREEN INTERNATIONAL AIRPORT 136 2979 2890 116
Vermont
   BURLINGTON INTERNATIONAL AIRPORT 107 2815 3001 230
   RUTLAND 86 2088 2327 111
District of Columbia
   WASHINGTON REAGAN NATIONAL AIRPORT 171 4365 4541 175
West Virginia
   BECKLEY RALEIGH COUNTY AIRPORT 123 3147 3238 271
   CHARLESTON - WEST VIRGINIA INTERNATIONAL YEAGER AIRPORT 155 3884 4049 337
   SNOWSHOE 49 1822 1941 403

GDD values for missing days are estimated.

NRCC