San Francisco, CA

12:00 PM PDT on April 29, 2017 (GMT -0700)
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Weather History for KSFO - August, 2013

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Monday, August 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 67 °F 65 °F  
Max Temperature 74 °F 73 °F 89 °F (1964)
Min Temperature 59 °F 56 °F 49 °F (1955)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 31 30  
Since 1 June heating degree days 197 200  
Since 1 July heating degree days 109 95  
Cooling Degree Days 2 1  
Month to date cooling degree days 13 19  
Year to date cooling degree days 85 83  
Since 1 June cooling degree days 58 64  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 66    
Maximum Humidity 78    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in 0.00 in 0.56 in (1997)
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 29.86 in    
Wind  
Wind Speed 11 mph (WNW)    
Max Wind Speed 28 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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Date:

Astronomy

Aug. 19, 2013 Rise Set
Actual Time 6:28 AM PDT 7:56 PM PDT
Civil Twilight 6:01 AM PDT 8:23 PM PDT
Nautical Twilight 5:28 AM PDT 8:56 PM PDT
Astronomical Twilight 4:53 AM PDT 9:31 PM PDT
Moon 6:51 PM PDT (8/19) 4:55 AM PDT (8/19)
Length of Visible Light 14h 22m
Length of Day
13h 27m
Waxing Gibbous, 98% of the Moon is Illuminated
Aug 19
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 64.9 °F 55.9 °F 73% 29.82 in 10.0 mi NNW 5.8 mph - N/A   Clear
1:56 AM 63.0 °F 55.0 °F 75% 29.81 in 10.0 mi West 10.4 mph - N/A   Clear
2:56 AM 64.0 °F 57.0 °F 78% 29.81 in 10.0 mi West 6.9 mph - N/A   Clear
3:56 AM 61.0 °F 54.0 °F 78% 29.81 in 10.0 mi WSW 10.4 mph - N/A   Clear
4:56 AM 60.1 °F 54.0 °F 80% 29.82 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
5:56 AM 60.1 °F 54.0 °F 80% 29.85 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
6:56 AM 60.1 °F 54.0 °F 80% 29.86 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
7:56 AM 62.1 °F 54.0 °F 75% 29.87 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
8:56 AM 66.0 °F 57.0 °F 73% 29.89 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy
9:56 AM 68.0 °F 57.0 °F 68% 29.89 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
10:56 AM 70.0 °F 57.9 °F 65% 29.90 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
11:56 AM 72.0 °F 60.1 °F 66% 29.89 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
12:56 PM 72.0 °F 55.0 °F 55% 29.88 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
1:56 PM 73.0 °F 55.0 °F 53% 29.86 in 10.0 mi WNW 19.6 mph - N/A   Partly Cloudy
2:56 PM 70.0 °F 55.0 °F 59% 29.86 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Scattered Clouds
3:52 PM 69.8 °F 55.4 °F 60% 29.84 in 10.0 mi WNW 24.2 mph - N/A   Scattered Clouds
3:56 PM 69.1 °F 55.0 °F 61% 29.84 in 10.0 mi WNW 24.2 mph - N/A   Scattered Clouds
4:56 PM 66.9 °F 55.9 °F 68% 29.83 in 10.0 mi WNW 21.9 mph 28.8 mph N/A   Scattered Clouds
5:56 PM 66.0 °F 55.0 °F 68% 29.83 in 10.0 mi WNW 21.9 mph - N/A   Scattered Clouds
6:56 PM 64.0 °F 55.0 °F 73% 29.84 in 10.0 mi WNW 18.4 mph - N/A   Scattered Clouds
7:56 PM 64.0 °F 55.0 °F 73% 29.84 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
8:56 PM 64.9 °F 55.0 °F 70% 29.86 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
9:56 PM 66.0 °F 57.0 °F 73% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:56 PM 62.1 °F 55.0 °F 78% 29.90 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
11:56 PM 62.1 °F 55.0 °F 78% 29.88 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy