San Francisco, CA

4:44 AM PDT on March 23, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - August, 2013

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Friday, August 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 64 °F  
Max Temperature 72 °F 73 °F 90 °F (2015)
Min Temperature 59 °F 56 °F 48 °F (1955)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 31 27  
Since 1 June heating degree days 197 197  
Since 1 July heating degree days 109 92  
Cooling Degree Days 1 1  
Month to date cooling degree days 7 16  
Year to date cooling degree days 79 80  
Since 1 June cooling degree days 52 61  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 76    
Maximum Humidity 90    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.01 in 0.01 in (1941)
Month to date precipitation T 0.02  
Year to date precipitation 1.89 13.10  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 26 mph    
Max Gust Speed 32 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

Aug. 16, 2013 Rise Set
Actual Time 6:26 AM PDT 8:00 PM PDT
Civil Twilight 5:58 AM PDT 8:28 PM PDT
Nautical Twilight 5:25 AM PDT 9:01 PM PDT
Astronomical Twilight 4:49 AM PDT 9:36 PM PDT
Moon 4:22 PM PDT (8/16) 1:36 AM PDT (8/16)
Length of Visible Light 14h 29m
Length of Day
13h 33m
Waxing Gibbous, 76% of the Moon is Illuminated
Aug 16
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
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 62.1 °F 57.9 °F 86% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
1:56 AM 61.0 °F 57.9 °F 90% 29.96 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
2:07 AM 60.8 °F 57.2 °F 88% 29.96 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
2:56 AM 60.1 °F 57.0 °F 90% 29.96 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
3:56 AM 60.1 °F 57.0 °F 90% 29.96 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
4:56 AM 61.0 °F 57.0 °F 87% 29.96 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
5:14 AM 60.8 °F 57.2 °F 88% 29.96 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
5:56 AM 60.1 °F 57.0 °F 90% 29.97 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
6:35 AM 60.8 °F 57.2 °F 88% 29.97 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
6:56 AM 60.1 °F 57.0 °F 90% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
7:56 AM 63.0 °F 57.9 °F 84% 29.99 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
8:10 AM 62.6 °F 57.2 °F 82% 29.99 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
8:56 AM 64.9 °F 57.9 °F 78% 29.99 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
9:56 AM 66.9 °F 57.9 °F 73% 29.99 in 10.0 mi NW 13.8 mph - N/A   Mostly Cloudy
10:56 AM 68.0 °F 57.9 °F 70% 30.00 in 10.0 mi WNW 15.0 mph - N/A   Scattered Clouds
11:56 AM 69.1 °F 57.9 °F 68% 30.00 in 10.0 mi WNW 17.3 mph - N/A   Scattered Clouds
12:56 PM 71.1 °F 57.9 °F 63% 30.00 in 10.0 mi WNW 16.1 mph - N/A   Scattered Clouds
1:56 PM 71.1 °F 57.0 °F 61% 30.00 in 10.0 mi WNW 19.6 mph - N/A   Scattered Clouds
2:56 PM 71.1 °F 57.0 °F 61% 29.99 in 10.0 mi West 21.9 mph - N/A   Scattered Clouds
3:56 PM 70.0 °F 57.0 °F 63% 29.99 in 10.0 mi West 21.9 mph - N/A   Scattered Clouds
4:56 PM 68.0 °F 57.0 °F 68% 29.97 in 10.0 mi West 24.2 mph 29.9 mph N/A   Scattered Clouds
5:56 PM 66.0 °F 55.9 °F 70% 29.96 in 10.0 mi West 23.0 mph 28.8 mph N/A   Scattered Clouds
6:56 PM 62.1 °F 55.9 °F 80% 29.97 in 10.0 mi West 21.9 mph 27.6 mph N/A   Mostly Cloudy
7:56 PM 60.1 °F 55.0 °F 83% 29.98 in 10.0 mi West 16.1 mph 24.2 mph N/A   Mostly Cloudy
8:49 PM 60.8 °F 55.4 °F 82% 29.98 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
8:56 PM 60.1 °F 55.0 °F 83% 29.99 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
9:03 PM 60.8 °F 55.4 °F 82% 29.99 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
9:08 PM 60.8 °F 55.4 °F 82% 29.99 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
9:56 PM 60.1 °F 54.0 °F 80% 29.99 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
10:56 PM 60.1 °F 54.0 °F 80% 29.99 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
11:56 PM 60.1 °F 54.0 °F 80% 29.99 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy