San Francisco, CA

12:00 PM PDT on April 29, 2017 (GMT -0700)
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Weather History for KSFO - December, 2011

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Saturday, December 3, 2011

  Actual Average Record
Temperature  
Mean Temperature 54 °F 52 °F  
Max Temperature 61 °F 58 °F 73 °F (1958)
Min Temperature 47 °F 46 °F 38 °F (1976)
Degree Days  
Heating Degree Days 11 13  
Month to date heating degree days 18 39  
Since 1 July heating degree days 643 603  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 115 164  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 30 °F    
Average Humidity 40    
Maximum Humidity 55    
Minimum Humidity 24    
Precipitation  
Precipitation 0.00 in 0.11 in 1.89 in (2014)
Month to date precipitation 0.00 0.32  
Year to date precipitation 16.46 16.94  
Since 1 July precipitation 2.74  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 12 mph (NNE)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 03, 2011 Rise Set
Actual Time 7:07 AM PST 4:50 PM PST
Civil Twilight 6:38 AM PST 5:19 PM PST
Nautical Twilight 6:05 AM PST 5:52 PM PST
Astronomical Twilight 5:34 AM PST 6:24 PM PST
Moon 12:52 PM PST (12/3) 12:47 AM PST (12/3)
Length of Visible Light 10h 41m
Length of Day
9h 43m
Waxing Gibbous, 63% of the Moon is Illuminated
Dec 3
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 59.0 °F 28.0 °F 31% 30.05 in 10.0 mi North 23.0 mph 28.8 mph N/A   Clear
1:56 AM 57.0 °F 30.0 °F 36% 30.06 in 10.0 mi North 19.6 mph 27.6 mph N/A   Clear
2:56 AM 57.0 °F 28.9 °F 34% 30.07 in 10.0 mi North 17.3 mph - N/A   Clear
3:56 AM 55.9 °F 30.9 °F 39% 30.06 in 10.0 mi North 20.7 mph 26.5 mph N/A   Clear
4:56 AM 55.0 °F 30.0 °F 38% 30.07 in 10.0 mi North 19.6 mph - N/A   Clear
5:56 AM 55.0 °F 28.9 °F 37% 30.08 in 10.0 mi North 24.2 mph 29.9 mph N/A   Clear
6:56 AM 54.0 °F 28.9 °F 38% 30.11 in 10.0 mi North 21.9 mph - N/A   Partly Cloudy
7:56 AM 53.6 °F 30.2 °F 41% 30.13 in 10.0 mi North 16.1 mph - N/A   Clear
8:56 AM 55.0 °F 28.9 °F 37% 30.17 in 10.0 mi North 12.7 mph - N/A   Partly Cloudy
9:56 AM 55.9 °F 26.1 °F 32% 30.18 in 10.0 mi North 13.8 mph - N/A   Clear
10:56 AM 57.0 °F 32.0 °F 39% 30.17 in 10.0 mi North 8.1 mph - N/A   Clear
11:56 AM 59.0 °F 34.0 °F 39% 30.17 in 10.0 mi North 8.1 mph - N/A   Clear
12:56 PM 60.1 °F 35.1 °F 39% 30.16 in 10.0 mi NNE 8.1 mph - N/A   Clear
1:56 PM 61.0 °F 33.1 °F 35% 30.15 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
2:56 PM 59.0 °F 37.9 °F 46% 30.16 in 10.0 mi NE 11.5 mph - N/A   Partly Cloudy
3:56 PM 57.9 °F 37.9 °F 47% 30.17 in 10.0 mi NE 10.4 mph - N/A   Partly Cloudy
4:56 PM 57.0 °F 37.0 °F 47% 30.19 in 10.0 mi ENE 9.2 mph - N/A   Clear
5:56 PM 55.9 °F 39.0 °F 53% 30.21 in 10.0 mi ENE 9.2 mph - N/A   Clear
6:56 PM 55.9 °F 36.0 °F 47% 30.22 in 10.0 mi East 8.1 mph - N/A   Clear
7:56 PM 55.0 °F 28.9 °F 37% 30.23 in 10.0 mi East 6.9 mph - N/A   Clear
8:56 PM 52.0 °F 21.9 °F 31% 30.24 in 10.0 mi SSE 6.9 mph - N/A   Clear
9:56 PM 53.6 °F 17.6 °F 24% 30.25 in 10.0 mi West 3.5 mph - N/A   Clear
10:56 PM 48.0 °F 21.9 °F 36% 30.27 in 10.0 mi West 5.8 mph - N/A   Clear
11:56 PM 46.9 °F 21.0 °F 36% 30.28 in 10.0 mi West 6.9 mph - N/A   Clear