Station:(043875) HEALDSBURG | |||||||||||||
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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 | 533 | 380 | 329 | 214 | 99 | 25 | 5 | 5 | 17 | 107 | 325 | 517 | 2557 |
60 | 379 | 240 | 185 | 97 | 27 | 3 | 1 | 0 | 1 | 31 | 186 | 363 | 1513 |
57 | 287 | 162 | 112 | 49 | 8 | 1 | 1 | 0 | 0 | 10 | 114 | 272 | 1017 |
55 | 229 | 116 | 73 | 28 | 3 | 0 | 1 | 0 | 0 | 4 | 76 | 214 | 744 |
50 | 103 | 36 | 16 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 17 | 93 | 271 |