SAN FRANCISCO |
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Minimum | 46.4 | 48.5 | 49.2 | 50.1 | 51.4 | 53.2 | 54.4 | 55.6 | 56.1 | 54.6 | 50.8 | 46.7 | 51.4 |
| Maximum | 58.1 | 61.4 | 62.5 | 64.5 | 65.4 | 67.7 | 68.2 | 69.2 | 71.3 | 70.4 | 64.1 | 58.6 | 65.1 |
| Mean | 52.3 | 55 | 55.9 | 57.3 | 58.4 | 60.5 | 61.3 | 62.4 | 63.7 | 62.5 | 57.5 | 52.7 | 58.3 |
| Precip. | 4.72 | 4.15 | 3.4 | 1.25 | 0.54 | 0.13 | 0.04 | 0.09 | 0.28 | 1.19 | 3.31 | 3.18 | 22.28 |
| HDD | 396 | 283 | 263 | 233 | 214 | 150 | 133 | 107 | 95 | 100 | 232 | 383 | 2589 |
| CDD | 0 | 2 | 4 | 7 | 9 | 14 | 19 | 26 | 56 | 22 | 5 | 0 | 164 |
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