Growing Degree Day Summary

Base 50 GDD Summary for the Week Ending 2026-9-30
State/Station Last Week Since March 15 Last Season Seasonal Departure
Connecticut
   IGOR I SIKORSKY MEMORIAL AIRPORT 75 3172 3239 99
   HARTFORD-BRADLEY INTERNATIONAL AIRPORT 64 3007 3040 125
Delaware
   WILMINGTON AIRPORT 96 3872 3805 366
Maine
   AUGUSTA STATE AIRPORT 61 2409 2547 219
   CARIBOU WFO 36 1668 1721 -18
   PORTLAND JETPORT 53 2351 2246 136
Maryland
   BALTIMORE-WASHINGTON INTERNATIONAL AIRPORT 99 3975 3954 329
   FROSTBURG 2 37 2736 2699 412
   SALISBURY-WICOMICO REGIONAL AIRPORT 96 3937 3798 327
Massachusetts
   BOSTON LOGAN INTERNATIONAL AIRPORT 61 3076 3004 259
   WORCESTER REGIONAL AIRPORT 42 2547 2615 189
New Hampshire
   BERLIN 28 1727 1882 6
   CONCORD MUNICIPAL AIRPORT 60 2595 2617 232
   LEBANON MUNICIPAL AIRPORT 54 2370 2373 118
New Jersey
   MILLVILLE MUNICIPAL AIRPORT 87 3507 3077 305
   NEWARK LIBERTY INTL AP 92 3831 3940 295
   NEW BRUNSWICK 3 SE 81 3622 3454 411
New York
   ALBANY INTERNATIONAL AIRPORT 65 2784 2895 49
   BINGHAMTON (GREATER AP) 48 2382 2393 225
   BRIDGEHAMPTON M 2488 2540 179
   BUFFALO NIAGARA INTERNATIONAL AIRPOR 68 2674 2764 128
   FRANKLINVILLE 14 2064 2083 42
   GLENS FALLS/FLOYD BENNETT MEMORIAL AIRPORT 54 2273 2333 92
   ISLIP-LI MACARTHUR AP 83 3173 3415 194
   ITHACA CORNELL UNIV 26 2225 2307 66
   MASSENA INTL AP 42 2223 2284 76
   LAGUARDIA AIRPORT 94 3838 3792 143
   FREDERICK DOUGLASS GREATER ROCHESTER INTERNATIONAL AIRPORT 64 2649 2686 -4
   SYRACUSE HANCOCK INTL AP 59 2777 2813 218
   TUPPER LAKE SUNMOUNT 6 709 974 30
   WATERTOWN INTERNATIONAL AIRPORT 33 2141 2334 48
   WESTCHESTER CO AP 71 3008 2912 202
Pennsylvania
   ALTOONA BLAIR COUNTY AP 61 2894 2934 126
   ERIE INTL AP 68 2847 2804 122
   PHILADELPHIA INTL AP 109 4204 4037 528
   PITTSBURGH INTERNATIONAL AIRPORT 75 3319 3394 364
   STATE COLLEGE 58 2967 2986 263
   WELLSBORO 4 SW 34 2177 2243 189
   WILKES-BARRE/SCRANTON INTERNATIONAL AIRPORT 60 2856 2932 -37
   WILLIAMSPORT REGIONAL AP 81 3123 3212 221
Rhode Island
   RHODE ISLAND T.F. GREEN INTERNATIONAL AIRPORT 69 3072 2979 209
Vermont
   BURLINGTON INTERNATIONAL AIRPORT 54 2639 2836 50
   RUTLAND 36 2039 2088 53
District of Columbia
   WASHINGTON REAGAN NATIONAL AIRPORT 108 4448 4365 258
West Virginia
   BECKLEY RALEIGH COUNTY AIRPORT 44 3370 3147 494
   CHARLESTON - WEST VIRGINIA INTERNATIONAL YEAGER AIRPORT 88 3934 3884 387
   SNOWSHOE 30 2078 1836 694

GDD values for missing days are estimated.

NRCC