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Portola valley
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|Avg. Temperature|Extremes Avg Temperature(high)|Extremes Min Temperature(low)|Avg. Max Temperature|Extremes Min Temperature(high)|Extremes Max Temperature(low)&chtt=Temperature by Year)
| |
Jan. |
Feb. |
Mar. |
Apr. |
May |
June |
July |
Aug. |
Sep. |
Oct. |
Nov. |
Dec. |
Avg. |
| Avg Max Temperature | 58.7 | 60.9 | 67.2 | 65.9 | 68.2 | 71.0 | 71.9 | 73.5 | 73.0 | 69.5 | 66.1 | 57.4 | 66.9 |
| Avg Min Temperature | 41.0 | 46.6 | 48.5 | 49.3 | 52.3 | 53.7 | 57.4 | 57.8 | 57.6 | 52.7 | 49.1 | 43.4 | 50.8 |
| Avg Avg Temperature | 49.9 | 53.7 | 57.9 | 57.6 | 60.2 | 62.4 | 64.6 | 65.6 | 65.3 | 61.1 | 57.6 | 50.4 | 58.9 |
| Extreme Max Temperature(lowest) | 69 | 78 | 80 | 81 | 90 | 88 | 81 | 85 | 88 | 87 | 78 | 67 | |
| Extreme Min Temperature(lowest) | 48 | 55 | 55 | 53 | 65 | 59 | 62 | 65 | 62 | 58 | 57 | 55 | |
| Extreme Avg Temperature(lowest) | 57.5 | 65.0 | 67.5 | 66.5 | 77.5 | 73.5 | 68.5 | 75.0 | 73.0 | 71.0 | 65.0 | 59.5 | |
| Extreme Max Temperature(highest) | 49 | 52 | 56 | 58 | 58 | 60 | 63 | 63 | 64 | 60 | 57 | 47 | |
| Extreme Min Temperature(highest) | 33 | 38 | 40 | 44 | 49 | 51 | 54 | 55 | 50 | 43 | 42 | 36 | |
| Extreme Avg Temperature(highest) | 42.0 | 46.0 | 48.0 | 51.0 | 54.0 | 55.5 | 58.5 | 59.0 | 59.5 | 56.0 | 50.5 | 44.0 | |
| |
Jan. |
Feb. |
Mar. |
Apr. |
May |
June |
July |
Aug. |
Sep. |
Oct. |
Nov. |
Dec. |
Avg. |
| Avg Precipitation | 0.55 | 5.06 | 0.44 | 1.57 | 0.38 | 0.00 | 0.00 | 0.00 | 0.14 | 1.99 | 1.00 | 3.28 | 14.41 |
| Extreme Precipitation (lowest) | 0.12 | 1.25 | 0.25 | 0.39 | 0.18 | 0.00 | 0.00 | 0.00 | 0.14 | 0.73 | 0.64 | 0.85 | |
| |
Jan. |
Feb. |
Mar. |
Apr. |
May |
June |
July |
Aug. |
Sep. |
Oct. |
Nov. |
Dec. |
Avg. |
| Avg Heating Degree Days | 32 | 26 | 34 | 128 | 216 | 444 | 465 | 331 | 279 | 247 | 175 | 102 | 2479 |
| Extreme Heating Degree Days(lowest) | 6 | 6 | 5 | 9 | 14 | 21 | 20 | 19 | 13 | 15 | 10 | 10 | |
| Extreme Heating Degree Days(highest) | 0 | 0 | 0 | 0 | 0 | 5 | 7 | 6 | 5 | 0 | 0 | 0 | |
| Avg Cooling Degree Days | 0 | 0 | 3 | 2 | 35 | 23 | 28 | 55 | 50 | 13 | 0 | 0 | 209 |
| Extreme Cooling Degree Days(lowest) | 0 | 0 | 3 | 2 | 13 | 9 | 4 | 10 | 8 | 6 | 0 | 0 | |
| Avg Growing Degree Days | 50 | 120 | 257 | 236 | 326 | 379 | 461 | 494 | 466 | 350 | 234 | 53 | 3426 |
| Extreme Growing Degree Days(lowest) | 8 | 15 | 18 | 17 | 28 | 24 | 19 | 25 | 23 | 21 | 15 | 10 | |
| Extreme Growing Degree Days(highest) | 0 | 0 | 0 | 1 | 4 | 6 | 9 | 9 | 10 | 6 | 1 | 0 | |
The data is taken from www.noaa.gov reports.
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