May degree days

Background Information for this page
Return to radar list for Sanford ME
Weather data for Sanford ME.  Forecast values begin September 20, 2011
Estimated degree day accumulations are from March 1. Observational data began April 14. 
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 14
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 14
May 1 8 162  (146) +1 4 63  (47) +3
May 2 10 172  (155) +1 6 69  (51) +3
May 3 13 185  (163) +2 6 75  (55) +4
May 4 8 193  (172) +2 2 77  (60) +3
May 5 4 197  (181) +1 1 78  (65) +2
May 6 12 209  (191) +1 7 86  (70) +2
May 7 12 221  (201) +1 7 92  (75) +3
May 8 10 232  (211) +1 5 97  (80) +2
May 9 13 244  (222) +2 7 104  (86) +3
May 10 10 254  (232) +1 3 107  (91) +2
May 11 11 265  (244) +1 5 113  (98) +2
May 12 11 277  (255) +1 6 118  (104) +2
May 13 11 288  (267) +1 6 125  (110) +2
May 14 7 295  (279) +1 2 127  (117) +1
May 15 8 303  (291) 0 1 128  (124) 0
May 16 5 308  (303) 0 0 128  (131) -1
May 17 5 312  (316) 0 0 128  (138) -2
May 18 9 321  (329) 0 2 130  (146) -2
May 19 12 333  (342) 0 5 135  (153) -3
May 20 14 347  (356) 0 7 142  (161) -3
May 21 15 362  (370) -1 8 150  (170) -3
May 22 7 368  (384) -1 1 151  (178) -2
May 23 8 376  (399) -1 2 153  (187) -2
May 24 23 399  (414) 0 16 169  (196) -1
May 25 21 420  (429) 0 14 183  (205) -1
May 26 22 442  (445) 0 15 197  (214) 0
May 27 27 469  (461) 0 20 218  (224) 0
May 28 19 488  (477) 0 12 229  (234) 0
May 29 28 515  (493) +1 21 250  (244) 0
May 30 31 546  (510) +2 24 274  (254) +1
May 31 25 571  (527) +2 18 292  (265) +2