May degree days

Background Information for this page
Return to radar list for Middletown RI
Weather data for Middletown RI.  Forecast values begin September 20, 2011
Estimated degree day accumulations are from March 1. Observational data began April 2. 
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 2
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 2
May 1 8 237  (259) -2 3 76  (102) -5
May 2 8 245  (270) -2 4 80  (109) -5
May 3 11 256  (282) -2 4 84  (115) -5
May 4 12 268  (294) -2 5 89  (121) -6
May 5 8 276  (306) -2 3 92  (128) -6
May 6 11 286  (318) -2 5 97  (135) -6
May 7 13 299  (331) -2 6 103  (142) -6
May 8 12 311  (344) -2 6 109  (150) -6
May 9 15 326  (357) -3 8 117  (157) -6
May 10 10 335  (370) -3 3 120  (165) -7
May 11 10 345  (384) -3 4 124  (173) -7
May 12 10 355  (398) -4 4 127  (181) -8
May 13 10 366  (412) -4 5 132  (190) -8
May 14 7 373  (427) -4 1 133  (198) -9
May 15 14 386  (442) -4 7 140  (207) -9
May 16 8 394  (457) -4 2 142  (216) -9
May 17 8 402  (473) -4 2 144  (226) -9
May 18 17 418  (489) -5 10 153  (236) -8
May 19 19 437  (505) -4 12 165  (245) -8
May 20 15 452  (521) -4 8 173  (256) -7
May 21 15 467  (538) -4 8 181  (266) -7
May 22 9 476  (555) -4 3 184  (277) -7
May 23 10 487  (573) -4 4 188  (288) -6
May 24 19 506  (591) -4 12 201  (299) -6
May 25 21 527  (609) -3 14 215  (311) -5
May 26 17 545  (627) -3 10 225  (322) -5
May 27 22 566  (645) -3 15 240  (334) -5
May 28 23 589  (664) -2 16 256  (346) -5
May 29 23 612  (683) -2 16 272  (359) -5
May 30 27 639  (703) -2 20 292  (372) -6
May 31 27 665  (723) -2 20 311  (385) -6