San Francisco, CA

8:39 AM PST on February 13, 2016 (GMT -0800)
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Weather History for KSFO - August, 2012

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Sunday, August 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 63 °F 64 °F  
Max Temperature 69 °F 72 °F 89 °F (1964)
Min Temperature 57 °F 56 °F 49 °F (1950)
Degree Days  
Heating Degree Days 2 2  
Month to date heating degree days 16 10  
Since 1 June heating degree days 209 180  
Since 1 July heating degree days 94 75  
Cooling Degree Days 0 1  
Month to date cooling degree days 0 5  
Year to date cooling degree days 28 69  
Since 1 June cooling degree days 21 50  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 71    
Maximum Humidity 87    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.00 in 0.01 in (2008)
Month to date precipitation T 0.00  
Year to date precipitation 10.46 13.08  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 13 mph (West)    
Max Wind Speed 25 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 05, 2012 Rise Set
Actual Time 6:17 AM PDT 8:13 PM PDT
Civil Twilight 5:48 AM PDT 8:41 PM PDT
Nautical Twilight 5:13 AM PDT 9:16 PM PDT
Astronomical Twilight 4:36 AM PDT 9:53 PM PDT
Moon 10:00 PM PDT (8/5) 10:05 AM PDT (8/5)
Length of Visible Light 14h 53m
Length of Day
13h 55m
Waning Gibbous, 85% of the Moon is Illuminated
Aug 5
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 59.0 °F 55.0 °F 87% 30.00 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:56 AM 60.1 °F 54.0 °F 80% 29.99 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
2:56 AM 60.1 °F 54.0 °F 80% 29.98 in 10.0 mi West 8.1 mph - N/A   Overcast
3:56 AM 59.0 °F 54.0 °F 83% 29.99 in 10.0 mi West 8.1 mph - N/A   Overcast
4:56 AM 59.0 °F 54.0 °F 83% 29.99 in 10.0 mi West 10.4 mph - N/A   Overcast
5:56 AM 59.0 °F 54.0 °F 83% 30.00 in 10.0 mi West 10.4 mph - N/A   Overcast
6:56 AM 57.9 °F 54.0 °F 87% 30.01 in 8.0 mi West 6.9 mph - N/A   Overcast
7:40 AM 59.0 °F 53.6 °F 82% 30.03 in 10.0 mi WSW 5.8 mph - N/A   Overcast
7:56 AM 59.0 °F 54.0 °F 83% 30.03 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
8:56 AM 61.0 °F 53.1 °F 75% 30.04 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:56 AM 62.1 °F 53.1 °F 72% 30.06 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:56 AM 63.0 °F 54.0 °F 72% 30.07 in 10.0 mi Variable 6.9 mph - N/A   Overcast
11:56 AM 64.9 °F 54.0 °F 68% 30.08 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
12:45 PM 66.2 °F 53.6 °F 64% 30.07 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
12:56 PM 66.9 °F 53.1 °F 61% 30.07 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
1:56 PM 66.9 °F 53.1 °F 61% 30.06 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
2:56 PM 68.0 °F 52.0 °F 56% 30.05 in 10.0 mi WNW 20.7 mph - N/A   Partly Cloudy
3:56 PM 66.9 °F 51.1 °F 57% 30.04 in 10.0 mi WNW 21.9 mph - N/A   Partly Cloudy
4:56 PM 66.0 °F 50.0 °F 56% 30.04 in 10.0 mi WNW 24.2 mph - N/A   Partly Cloudy
5:56 PM 64.0 °F 50.0 °F 60% 30.04 in 10.0 mi West 23.0 mph - N/A   Partly Cloudy
6:56 PM 62.1 °F 50.0 °F 65% 30.04 in 10.0 mi WNW 20.7 mph - N/A   Scattered Clouds
7:56 PM 60.1 °F 51.1 °F 72% 30.05 in 10.0 mi West 19.6 mph - N/A   Scattered Clouds
9:56 PM 57.9 °F 50.0 °F 75% 30.10 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
10:56 PM 57.0 °F 50.0 °F 77% 30.10 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
11:56 PM 57.0 °F 50.0 °F 77% 30.11 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy