Station:(047643) SAINT HELENA | |||||||||||||
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From Year=1931 To Year=2006 | |||||||||||||
Heating Degree Days for Selected Base Temperature (F) | |||||||||||||
Base | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | Annual |
65 | 572 | 421 | 375 | 246 | 118 | 30 | 3 | 4 | 25 | 133 | 353 | 549 | 2829 |
60 | 418 | 281 | 228 | 124 | 39 | 4 | 0 | 0 | 3 | 45 | 211 | 395 | 1747 |
57 | 326 | 201 | 150 | 69 | 15 | 1 | 0 | 0 | 1 | 19 | 137 | 303 | 1222 |
55 | 266 | 151 | 106 | 43 | 7 | 0 | 0 | 0 | 0 | 9 | 96 | 245 | 924 |
50 | 134 | 56 | 31 | 8 | 1 | 0 | 0 | 0 | 0 | 1 | 28 | 118 | 377 |