San Francisco, CA

7:08 PM PST on November 23, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - February, 2012

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Friday, February 3, 2012

  Actual Average Record
Temperature  
Mean Temperature 53 °F 52 °F  
Max Temperature 62 °F 58 °F 70 °F (1984)
Min Temperature 44 °F 45 °F 32 °F (1979)
Degree Days  
Heating Degree Days 12 13  
Month to date heating degree days 36 39  
Since 1 July heating degree days 1584 1506  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 67    
Maximum Humidity 92    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.15 in 1.02 in (1998)
Month to date precipitation 0.00 0.44  
Year to date precipitation 2.16 4.63  
Since 1 July precipitation 5.03  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Feb. 03, 2012 Rise Set
Actual Time 7:11 AM PST 5:35 PM PST
Civil Twilight 6:44 AM PST 6:02 PM PST
Nautical Twilight 6:13 AM PST 6:33 PM PST
Astronomical Twilight 5:42 AM PST 7:04 PM PST
Moon 1:43 PM PST (2/3) 3:49 AM PST (2/3)
Length of Visible Light 11h 18m
Length of Day
10h 23m
Waxing Gibbous, 82% of the Moon is Illuminated
Feb 3
Waxing Gibbous
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 48.0 °F - 39.0 °F 71% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 46.9 °F - 41.0 °F 80% 30.01 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
2:56 AM 45.0 °F 41.2 °F 39.9 °F 82% 30.03 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
3:56 AM 48.0 °F - 42.1 °F 80% 30.02 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
4:56 AM 48.0 °F - 45.0 °F 89% 30.03 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
5:56 AM 45.0 °F 42.6 °F 42.1 °F 90% 30.03 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
6:56 AM 48.0 °F - 37.0 °F 66% 30.04 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
7:56 AM 46.0 °F 43.9 °F 36.0 °F 68% 30.06 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
8:56 AM 53.1 °F - 39.0 °F 59% 30.07 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
9:56 AM 53.1 °F - 37.9 °F 57% 30.07 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
10:56 AM 54.0 °F - 39.9 °F 59% 30.07 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
11:56 AM 55.9 °F - 36.0 °F 47% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 PM 57.9 °F - 39.0 °F 49% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 PM 60.1 °F - 37.9 °F 44% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:56 PM 61.0 °F - 41.0 °F 48% 30.01 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
3:56 PM 61.0 °F - 43.0 °F 52% 30.01 in 9.0 mi NNW 4.6 mph - N/A   Scattered Clouds
4:56 PM 55.9 °F - 43.0 °F 62% 30.02 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
5:56 PM 54.0 °F - 43.0 °F 66% 30.03 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
6:56 PM 53.1 °F - 43.0 °F 69% 30.03 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
7:56 PM 53.1 °F - 42.1 °F 66% 30.04 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
8:56 PM 52.0 °F - 42.1 °F 69% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 PM 51.1 °F - 44.1 °F 77% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 50.0 °F - 43.0 °F 77% 30.05 in 10.0 mi South 3.5 mph - N/A   Clear
11:56 PM 50.0 °F - 43.0 °F 77% 30.06 in 10.0 mi Calm Calm - N/A   Clear