May degree days

Background Information for this page
Return to Apple list for Easthampton MA
Weather data for Easthampton MA.  Forecast values begin September 18, 2018
Estimated degree day accumulations are from March 1. Observational data began April 12. 
The influence of warmer or colder than average winter are not accounted for in the accumulations.
Date Observed & Forecast Degree Days base 43F
for this day
Cumulative Observed & Forecast DD base 43F
(Climatic average in parentheses)
Number of CALENDAR days ahead (red) or behind (blue) climatic average DD43 since
April 12
Observed & Forecast Degree days base 50F
for this day
 Cumulative Observed & Forecast DD base 50
(Climatic average in parentheses)
Number of CALENDAR days ahead (red) or behind (blue) climatic average DD50 since
April 12
May 1 12 142  (105) +4 8 56  (29) +7
May 2 28 170  (112) +5 21 77  (32) +7
May 3 30 200  (119) +6 23 99  (36) +8
May 4 29 228  (127) +6 22 121  (39) +8
May 5 21 249  (135) +5 14 135  (43) +8
May 6 15 263  (143) +5 8 142  (47) +9
May 7 16 279  (152) +6 9 151  (51) +7
May 8 16 296  (160) +7 10 162  (55) +8
May 9 19 315  (170) +8 13 174  (60) +8
May 10 17 332  (179) +8 10 184  (65) +9
May 11 16 348  (189) +9 9 194  (70) +10
May 12 5 354  (199) +10 0 194  (75) +11
May 13 9 363  (209) +10 4 198  (80) +11
May 14 17 380  (220) +11 10 208  (86) +12
May 15 21 401  (231) +11 14 222  (92) +13
May 16 16 417  (242) +12 9 230  (98) +14
May 17 21 437  (254) +12 14 244  (105) +14
May 18 16 454  (265) +12 10 254  (111) +15
May 19 8 462  (277) +12 2 256  (118) +15
May 20 22 484  (290) +13 15 272  (125) +16
May 21 20 504  (302) +13 13 285  (132) +16
May 22 14 518  (315) +13 7 292  (140) +15
May 23 24 543  (329) +13 17 309  (147) +16
May 24 22 565  (342) +13 15 324  (155) +16
May 25 27 591  (356) +13 20 344  (163) +17
May 26 32 623  (370) +13 25 368  (172) +18
May 27 14 637  (385) +13 7 376  (180) +17
May 28 15 652  (400) +14 8 383  (189) +17
May 29 29 681  (415) +14 22 405  (198) +16
May 30 26 706  (430) +14 19 424  (208) +17
May 31 24 730  (446) +14 17 440  (217) +17