San Francisco, CA

5:20 PM PST on December 16, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - August, 2012

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Sunday, August 26, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 65 °F  
Max Temperature 67 °F 73 °F 89 °F (1993)
Min Temperature 57 °F 56 °F 48 °F (1946)
Degree Days  
Heating Degree Days 3 1  
Month to date heating degree days 93 37  
Since 1 June heating degree days 286 207  
Since 1 July heating degree days 171 102  
Cooling Degree Days 0 1  
Month to date cooling degree days 0 26  
Year to date cooling degree days 28 90  
Since 1 June cooling degree days 21 71  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 63    
Maximum Humidity 77    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in 0.00 in 0.01 in (1961)
Month to date precipitation T 0.03  
Year to date precipitation 10.46 13.11  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 15 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 26, 2012 Rise Set
Actual Time 6:35 AM PDT 7:46 PM PDT
Civil Twilight 6:08 AM PDT 8:13 PM PDT
Nautical Twilight 5:35 AM PDT 8:45 PM PDT
Astronomical Twilight 5:01 AM PDT 9:19 PM PDT
Moon 4:17 PM PDT (8/26) 1:25 AM PDT (8/26)
Length of Visible Light 14h 05m
Length of Day
13h 11m
Waxing Gibbous, 74% of the Moon is Illuminated
Aug 26
Waxing Gibbous
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 57.0 °F 50.0 °F 77% 29.89 in 10.0 mi WSW 11.5 mph - N/A   Overcast
1:56 AM 57.0 °F 50.0 °F 77% 29.89 in 10.0 mi West 15.0 mph 21.9 mph N/A   Overcast
2:56 AM 57.0 °F 50.0 °F 77% 29.90 in 10.0 mi West 17.3 mph 23.0 mph N/A   Overcast
3:56 AM 57.0 °F 50.0 °F 77% 29.90 in 10.0 mi West 13.8 mph - N/A   Overcast
4:56 AM 57.9 °F 48.9 °F 72% 29.91 in 10.0 mi West 12.7 mph - N/A   Overcast
5:56 AM 57.9 °F 48.9 °F 72% 29.93 in 10.0 mi WSW 11.5 mph - N/A   Overcast
6:56 AM 57.9 °F 50.0 °F 75% 29.94 in 10.0 mi WSW 11.5 mph - N/A   Overcast
7:20 AM 57.2 °F 50.0 °F 77% 29.95 in 10.0 mi West 12.7 mph 18.4 mph N/A   Overcast
7:56 AM 57.9 °F 48.9 °F 72% 29.96 in 10.0 mi WSW 10.4 mph 20.7 mph N/A   Mostly Cloudy
8:25 AM 59.0 °F 48.2 °F 67% 29.97 in 10.0 mi WSW 16.1 mph 19.6 mph N/A   Mostly Cloudy
8:56 AM 60.1 °F 48.0 °F 64% 29.98 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
9:56 AM 62.1 °F 48.0 °F 60% 29.99 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
10:56 AM 62.1 °F 48.0 °F 60% 30.01 in 10.0 mi West 12.7 mph 20.7 mph N/A   Mostly Cloudy
11:56 AM 63.0 °F 48.0 °F 58% 30.02 in 10.0 mi West 16.1 mph 21.9 mph N/A   Mostly Cloudy
12:56 PM 64.9 °F 48.0 °F 54% 30.01 in 10.0 mi West 13.8 mph 23.0 mph N/A   Scattered Clouds
1:56 PM 66.0 °F 48.0 °F 52% 30.01 in 10.0 mi West 16.1 mph 24.2 mph N/A   Scattered Clouds
2:56 PM 66.0 °F 48.0 °F 52% 30.00 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Partly Cloudy
3:56 PM 66.0 °F 48.0 °F 52% 29.99 in 10.0 mi WSW 21.9 mph 27.6 mph N/A   Clear
4:56 PM 66.0 °F 46.9 °F 50% 29.99 in 10.0 mi West 20.7 mph 25.3 mph N/A   Clear
5:56 PM 64.9 °F 46.0 °F 50% 29.99 in 10.0 mi West 19.6 mph - N/A   Clear
6:56 PM 63.0 °F 46.9 °F 56% 29.98 in 10.0 mi West 16.1 mph - N/A   Clear
7:56 PM 60.1 °F 48.9 °F 67% 29.99 in 10.0 mi West 18.4 mph - N/A   Clear
8:56 PM 60.8 °F 50.0 °F 68% 30.00 in 10.0 mi West 15.0 mph - N/A   Clear
9:56 PM 59.0 °F 50.0 °F 72% 30.01 in 10.0 mi West 12.7 mph - N/A   Clear
10:56 PM 57.9 °F 50.0 °F 75% 30.00 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
11:56 PM 59.0 °F 48.9 °F 69% 30.01 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy