| Daily Summary |
| | Actual | Average (KSFO) | Record (KSFO) |
| Temperature |
| Mean Temperature |
°F
|
57°F
|
|
| Max Temperature |
62°F
|
64°F
|
81°F
(1955) |
| Min Temperature |
50°F
|
49°F
|
41°F
(1948) |
| Degree Days |
| Heating Degree Days |
9 |
8 |
|
| Month to date heating degree days |
|
52 |
|
| Since 1 July heating degree days |
|
378 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
|
0 |
|
| Year to date cooling degree days |
|
142 |
|
| Growing Degree Days | 6 (Base
°F
) | | |
| Moisture |
| Dew Point |
44°F
| | |
| Average Humidity |
64 |
|
|
| Maximum Humidity |
82 |
|
|
| Minimum Humidity |
55 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.08 in
|
1.27 in
(2002) |
| Month to date precipitation |
|
0.49 |
|
| Year to date precipitation |
|
15.22 |
|
| Since 1 July precipitation |
|
1.83 |
|
| Wind |
| Wind Speed |
8 mph
| | |
| Max Wind Speed |
14 mph
| | |
| Max Gust Speed |
17 mph
| | |
| Visibility |
18 miles
| | |
| Events |
| | |
|
| Key: T is trace of precipitation, MM is missing value |
|
Source: NWS Daily Summary |
