Weather History for KSFO - March, 2014

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Thursday, March 13, 2014

  Actual Average Record
Temperature  
Mean Temperature 64 °F 55 °F  
Max Temperature 75 °F 62 °F 76 °F (1994)
Min Temperature 53 °F 48 °F 33 °F (1954)
Degree Days  
Heating Degree Days 1 10  
Month to date heating degree days 137  
Since 1 July heating degree days 1943  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 57    
Maximum Humidity 83    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.10 in 0.92 in (1983)
Month to date precipitation 1.47  
Year to date precipitation 9.72  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 13, 2014 Rise Set
Actual Time 7:23 AM PDT 7:14 PM PDT
Civil Twilight 6:57 AM PDT 7:41 PM PDT
Nautical Twilight 6:26 AM PDT 8:11 PM PDT
Astronomical Twilight 5:56 AM PDT 8:42 PM PDT
Moon 4:48 PM PDT (3/13) 5:30 AM PDT (3/13)
Length of Visible Light 12h 43m
Length of Day
11h 51m
Waxing Gibbous, 92% of the Moon is Illuminated
Mar 13
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 60.1 °F 37.0 °F 42% 30.04 in 10.0 mi West 5.8 mph - N/A   Clear
1:56 AM 55.9 °F 43.0 °F 62% 30.04 in 10.0 mi SSE 3.5 mph - N/A   Clear
2:56 AM 57.0 °F 39.9 °F 53% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:56 AM 54.0 °F 37.0 °F 53% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Clear
4:56 AM 54.0 °F 35.1 °F 49% 30.02 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:56 AM 54.0 °F 37.9 °F 55% 30.02 in 10.0 mi South 4.6 mph - N/A   Clear
6:56 AM 53.1 °F 37.9 °F 57% 30.03 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
7:56 AM 55.0 °F 42.1 °F 62% 30.04 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
8:56 AM 59.0 °F 42.1 °F 53% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 AM 62.1 °F 48.0 °F 60% 30.07 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
10:56 AM 63.0 °F 48.9 °F 60% 30.06 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
11:56 AM 63.0 °F 48.9 °F 60% 30.06 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
12:56 PM 64.9 °F 48.0 °F 54% 30.04 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
1:56 PM 73.0 °F 46.0 °F 38% 30.02 in 10.0 mi NW 10.4 mph - N/A   Clear
2:56 PM 75.0 °F 42.1 °F 31% 30.00 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
3:56 PM 64.9 °F 52.0 °F 63% 30.01 in 10.0 mi WNW 20.7 mph - N/A   Partly Cloudy
4:56 PM 64.9 °F 50.0 °F 58% 30.00 in 10.0 mi West 23.0 mph - N/A   Partly Cloudy
5:56 PM 64.0 °F 44.1 °F 48% 30.00 in 10.0 mi West 18.4 mph - N/A   Partly Cloudy
6:56 PM 62.1 °F 42.1 °F 48% 30.00 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
7:56 PM 57.9 °F 48.0 °F 70% 30.00 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
8:56 PM 55.9 °F 50.0 °F 80% 30.04 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
9:56 PM 55.0 °F 48.9 °F 80% 30.05 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
10:56 PM 55.9 °F 50.0 °F 80% 30.07 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
11:56 PM 54.0 °F 48.9 °F 83% 30.08 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy