May degree days

Background Information for this page
Return to Apple list for Easthampton MA
Weather data for Easthampton MA.  Forecast values begin June 3, 2017
Estimated degree day accumulations are from March 1. Observational data began April 7. 
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 7
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 7
May 1 10 332  (211) +9 4 163  (78) +12
May 2 15 347  (221) +9 8 172  (83) +12
May 3 9 356  (232) +9 4 176  (89) +12
May 4 9 366  (242) +9 5 181  (94) +11
May 5 6 372  (253) +9 1 182  (101) +10
May 6 16 387  (265) +9 9 190  (107) +10
May 7 9 396  (277) +9 4 194  (113) +10
May 8 3 399  (289) +8 0 194  (120) +9
May 9 4 403  (301) +7 0 194  (127) +8
May 10 6 409  (314) +6 2 196  (134) +7
May 11 9 417  (327) +6 4 200  (142) +7
May 12 10 427  (340) +6 4 205  (149) +6
May 13 6 433  (354) +5 1 206  (157) +5
May 14 5 439  (368) +4 1 207  (165) +4
May 15 12 450  (382) +4 5 212  (173) +4
May 16 20 471  (396) +4 13 226  (182) +4
May 17 30 500  (411) +5 23 248  (191) +5
May 18 36 536  (426) +6 29 277  (200) +7
May 19 29 566  (441) +5 22 299  (209) +5
May 20 16 582  (457) +5 9 309  (219) +5
May 21 14 595  (473) +5 8 317  (228) +5
May 22 10 605  (489) +6 3 320  (238) +6
May 23 16 621  (506) +6 9 329  (249) +6
May 24 18 639  (523) +6 11 340  (259) +6
May 25 11 651  (540) +5 4 344  (270) +6
May 26 12 662  (558) +5 5 349  (281) +5
May 27 17 680  (576) +5 10 359  (293) +5
May 28 19 699  (594) +5 12 371  (304) +5
May 29 10 709  (613) +4 3 375  (317) +4
May 30 13 722  (632) +4 6 380  (329) +3
May 31 17 739  (651) +4 10 391  (341) +3