Station:(484440) HECLA | |||||||||||||
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From Year=1898 To Year=1979 | |||||||||||||
Heating Degree Days for Selected Base Temperature (F) | |||||||||||||
Base | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | Annual |
65 | 1164 | 1324 | 1173 | 729 | 526 | 213 | 63 | 63 | -99 | 579 | -99 | 1175 | -99 |
60 | 1009 | 1184 | 1018 | 579 | 371 | 110 | 14 | 6 | -99 | 429 | -99 | 1020 | -99 |
57 | 916 | 1100 | 925 | 489 | 282 | 66 | 3 | 0 | -99 | 342 | -99 | 927 | -99 |
55 | 854 | 1044 | 863 | 429 | 230 | 44 | 0 | 0 | -99 | 287 | -99 | 865 | -99 |
50 | 699 | 904 | 708 | 293 | 118 | 8 | 0 | 0 | -99 | 168 | -99 | 710 | -99 |