San Francisco, CA

9:14 AM PDT on June 25, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - December, 2007

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Friday, December 14, 2007

  Actual Average Record
Temperature  
Mean Temperature 47 °F 51 °F  
Max Temperature 55 °F 57 °F 69 °F (1958)
Min Temperature 38 °F 45 °F 30 °F (1972)
Degree Days  
Heating Degree Days 18 14  
Month to date heating degree days 196 190  
Since 1 July heating degree days 756 754  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 126 164  
Moisture  
Dew Point 40 °F    
Average Humidity 76    
Maximum Humidity 85    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in 0.13 in 0.88 in (2002)
Month to date precipitation 0.55 1.62  
Year to date precipitation 9.55 18.24  
Since 1 July precipitation 3.26  
Snow  
Snow 0.00 in - 0.00 in ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 14, 2007 Rise Set
Actual Time 7:16 AM PST 4:51 PM PST
Civil Twilight 6:47 AM PST 5:21 PM PST
Nautical Twilight 6:14 AM PST 5:53 PM PST
Astronomical Twilight 5:42 AM PST 6:25 PM PST
Moon 10:58 AM PST (12/14) 9:46 PM PST (12/14)
Length of Visible Light 10h 33m
Length of Day
9h 35m
Waxing Crescent, 24% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 17
First Quarter
Dec 23
Full
Dec 30
Last Quarter
Jan 8
New

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 42.1 °F 40.2 °F 33.1 °F 70% 30.21 in 9.0 mi West 3.5 mph - N/A   Clear
1:56 AM 41.0 °F - 33.1 °F 73% 30.21 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 41.0 °F 38.0 °F 35.1 °F 79% 30.22 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:56 AM 39.0 °F - 32.0 °F 76% 30.21 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 39.0 °F - 34.0 °F 82% 30.22 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 37.9 °F 34.4 °F 33.1 °F 83% 30.22 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
6:56 AM 39.0 °F 36.8 °F 35.1 °F 86% 30.24 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
7:56 AM 42.1 °F - 37.9 °F 85% 30.25 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 45.0 °F - 39.9 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 AM 46.9 °F - 39.9 °F 77% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:56 AM 48.0 °F - 41.0 °F 77% 30.27 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
11:56 AM 50.0 °F - 42.1 °F 74% 30.25 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 PM 51.1 °F - 41.0 °F 68% 30.24 in 9.0 mi NE 4.6 mph - N/A   Mostly Cloudy
1:56 PM 52.0 °F - 43.0 °F 71% 30.24 in 9.0 mi North 4.6 mph - N/A   Mostly Cloudy
2:56 PM 54.0 °F - 43.0 °F 66% 30.23 in 9.0 mi NW 6.9 mph - N/A   Mostly Cloudy
3:56 PM 52.0 °F - 43.0 °F 71% 30.23 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
4:56 PM 50.0 °F - 43.0 °F 77% 30.23 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
5:56 PM 48.0 °F - 43.0 °F 83% 30.24 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
6:56 PM 48.0 °F - 43.0 °F 83% 30.25 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
7:56 PM 48.0 °F - 43.0 °F 83% 30.26 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
8:56 PM 48.0 °F - 43.0 °F 83% 30.28 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
9:56 PM 48.0 °F - 43.0 °F 83% 30.30 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
10:56 PM 48.0 °F - 42.1 °F 80% 30.30 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
11:56 PM 48.0 °F - 42.1 °F 80% 30.31 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy