Weather History for San Francisco, CA

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Friday, July 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F 64 °F  
Max Temperature 67 °F 72 °F 88 °F (1983)
Min Temperature 53 °F 55 °F 47 °F (1950)
Degree Days  
Heating Degree Days 5 2  
Month to date heating degree days 25 24  
Since 1 June heating degree days 113 129  
Since 1 July heating degree days 25 24  
Cooling Degree Days 0 1  
Month to date cooling degree days 15 12  
Year to date cooling degree days 69 52  
Since 1 June cooling degree days 42 33  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 67    
Maximum Humidity 77    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in (2015)
Month to date precipitation T 0.00  
Year to date precipitation 1.89 13.08  
Since 1 July precipitation T 0.00  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 12 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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Astronomy

Jul. 12, 2013 Rise Set
Actual Time 5:58 AM PDT 8:31 PM PDT
Civil Twilight 5:27 AM PDT 9:02 PM PDT
Nautical Twilight 4:49 AM PDT 9:40 PM PDT
Astronomical Twilight 4:07 AM PDT 10:22 PM PDT
Moon 10:14 AM PDT (7/12) 10:51 PM PDT (7/12)
Length of Visible Light 15h 34m
Length of Day
14h 33m
Waxing Crescent, 18% of the Moon is Illuminated
Jul 12
Waxing Crescent
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 55.9 °F 48.0 °F 75% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 55.0 °F 48.0 °F 77% 29.94 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
2:56 AM 55.0 °F 48.9 °F 80% 29.93 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
3:56 AM 55.0 °F 48.0 °F 77% 29.93 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 55.0 °F 48.9 °F 80% 29.93 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
5:56 AM 55.0 °F 48.9 °F 80% 29.94 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
6:56 AM 55.0 °F 48.9 °F 80% 29.94 in 9.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 57.9 °F 50.0 °F 75% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 61.0 °F 51.1 °F 70% 29.95 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
9:56 AM 63.0 °F 52.0 °F 67% 29.95 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
10:56 AM 64.9 °F 53.1 °F 65% 29.95 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
11:56 AM 64.9 °F 52.0 °F 63% 29.95 in 10.0 mi NW 12.7 mph - 0.00 in   Partly Cloudy
12:56 PM 66.9 °F 51.1 °F 57% 29.94 in 10.0 mi WNW 17.3 mph - N/A   Partly Cloudy
1:56 PM 66.9 °F 50.0 °F 54% 29.94 in 10.0 mi West 23.0 mph - N/A   Partly Cloudy
2:56 PM 66.0 °F 50.0 °F 56% 29.93 in 9.0 mi WNW 21.9 mph - N/A   Partly Cloudy
3:56 PM 64.0 °F 48.9 °F 58% 29.92 in 10.0 mi West 25.3 mph - N/A   Partly Cloudy
4:56 PM 62.1 °F 48.9 °F 62% 29.91 in 10.0 mi WNW 18.4 mph - N/A   Partly Cloudy
5:56 PM 61.0 °F 48.9 °F 64% 29.89 in 10.0 mi WNW 20.7 mph - N/A   Partly Cloudy
6:56 PM 59.0 °F 48.9 °F 69% 29.90 in 10.0 mi WNW 20.7 mph - N/A   Partly Cloudy
7:56 PM 57.0 °F 48.9 °F 74% 29.90 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
8:56 PM 55.9 °F 48.9 °F 77% 29.90 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy
9:56 PM 55.9 °F 48.9 °F 77% 29.91 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
10:56 PM 55.0 °F 48.9 °F 80% 29.92 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
11:56 PM 55.0 °F 48.9 °F 80% 29.92 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy