Weather History for San Francisco, CA

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Saturday, March 15, 2014

  Actual Average Record
Temperature  
Mean Temperature 64 °F 55 °F  
Max Temperature 76 °F 62 °F 81 °F (2004)
Min Temperature 51 °F 48 °F 39 °F (1969)
Degree Days  
Heating Degree Days 1 10  
Month to date heating degree days 68 157  
Since 1 July heating degree days 1613 1963  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 65    
Maximum Humidity 86    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.10 in 1.20 in (1977)
Month to date precipitation 0.41 1.67  
Year to date precipitation 4.18 9.92  
Since 1 July precipitation 5.67 17.49  
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 22 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 15, 2014 Rise Set
Actual Time 7:20 AM PDT 7:16 PM PDT
Civil Twilight 6:54 AM PDT 7:42 PM PDT
Nautical Twilight 6:23 AM PDT 8:13 PM PDT
Astronomical Twilight 5:53 AM PDT 8:44 PM PDT
Moon 6:41 PM PDT (3/15) 6:34 AM PDT (3/15)
Length of Visible Light 12h 48m
Length of Day
11h 56m
Waxing Gibbous, 99% of the Moon is Illuminated
Mar 15
Waxing Gibbous
Mar 16
Full
Mar 23
Last Quarter
Mar 30
New
Apr 7
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 55.9 °F 51.1 °F 84% 30.23 in 10.0 mi West 8.1 mph - N/A   Clear
1:56 AM 55.0 °F 48.9 °F 80% 30.23 in 10.0 mi South 4.6 mph - N/A   Clear
2:56 AM 53.1 °F 48.0 °F 83% 30.24 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:56 AM 54.0 °F 48.9 °F 83% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 53.1 °F 46.0 °F 77% 30.24 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 52.0 °F 46.9 °F 83% 30.25 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 51.1 °F 46.0 °F 83% 30.27 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:56 AM 53.1 °F 48.0 °F 83% 30.28 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 57.0 °F 51.1 °F 81% 30.29 in 10.0 mi SE 3.5 mph - N/A   Clear
9:56 AM 60.1 °F 53.1 °F 78% 30.30 in 10.0 mi ENE 3.5 mph - N/A   Clear
10:56 AM 62.1 °F 55.0 °F 78% 30.31 in 10.0 mi ENE 3.5 mph - N/A   Clear
11:56 AM 63.0 °F 55.9 °F 78% 30.31 in 10.0 mi NNE 3.5 mph - N/A   Clear
12:56 PM 64.9 °F 57.9 °F 78% 30.30 in 10.0 mi North 4.6 mph - N/A   Clear
1:56 PM 72.0 °F 52.0 °F 49% 30.28 in 10.0 mi Calm Calm - N/A   Clear
2:56 PM 73.9 °F 52.0 °F 46% 30.27 in 10.0 mi NW 10.4 mph - N/A   Clear
3:56 PM 75.0 °F 52.0 °F 44% 30.26 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
4:56 PM 73.0 °F 52.0 °F 48% 30.25 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
5:56 PM 66.0 °F 52.0 °F 60% 30.25 in 10.0 mi WNW 18.4 mph - N/A   Scattered Clouds
6:40 PM 60.8 °F 50.0 °F 68% 30.26 in 10.0 mi WNW 15.0 mph 26.5 mph N/A   Scattered Clouds
6:56 PM 60.1 °F 51.1 °F 72% 30.26 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Scattered Clouds
7:56 PM 57.9 °F 50.0 °F 75% 30.26 in 10.0 mi WNW 18.4 mph - N/A   Partly Cloudy
8:56 PM 57.0 °F 51.1 °F 81% 30.27 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
9:56 PM 57.0 °F 51.1 °F 81% 30.29 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
10:56 PM 57.0 °F 51.1 °F 81% 30.30 in 10.0 mi WNW 12.7 mph - N/A   Clear
11:56 PM 55.9 °F 51.1 °F 84% 30.30 in 10.0 mi WNW 9.2 mph - N/A   Clear