Weather History for KSFO - March, 2013

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Saturday, March 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 57 °F 54 °F  
Max Temperature 63 °F 61 °F 71 °F (1994)
Min Temperature 51 °F 47 °F 34 °F (1953)
Degree Days  
Heating Degree Days 8 11  
Month to date heating degree days 14 22  
Since 1 July heating degree days 1898 1828  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 76    
Maximum Humidity 89    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.13 in 1.26 in (1995)
Month to date precipitation 0.00 0.26  
Year to date precipitation 0.87 8.51  
Since 1 July precipitation 11.87  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 02, 2013 Rise Set
Actual Time 6:38 AM PST 6:04 PM PST
Civil Twilight 6:12 AM PST 6:30 PM PST
Nautical Twilight 5:42 AM PST 7:01 PM PST
Astronomical Twilight 5:12 AM PST 7:31 PM PST
Moon 11:42 PM PST (3/2) 9:17 AM PST (3/2)
Length of Visible Light 12h 18m
Length of Day
11h 25m
Waning Gibbous, 73% of the Moon is Illuminated
Mar 2
Waning Gibbous
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
Full

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 53.1 °F 48.0 °F 83% 30.25 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 54.0 °F 48.0 °F 80% 30.23 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 53.1 °F 48.0 °F 83% 30.21 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 53.1 °F 48.9 °F 86% 30.20 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 53.1 °F 50.0 °F 89% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 AM 53.1 °F 48.9 °F 86% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 53.1 °F 48.9 °F 86% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 54.0 °F 48.9 °F 83% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 AM 55.9 °F 50.0 °F 80% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 AM 55.9 °F 50.0 °F 80% 30.20 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
10:56 AM 57.0 °F 50.0 °F 77% 30.19 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
11:56 AM 57.9 °F 51.1 °F 78% 30.17 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
12:56 PM 57.9 °F 51.1 °F 78% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 PM 63.0 °F 50.0 °F 63% 30.12 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
2:56 PM 59.0 °F 48.0 °F 67% 30.09 in 10.0 mi WNW 13.8 mph - N/A   Overcast
3:56 PM 59.0 °F 46.9 °F 64% 30.09 in 10.0 mi WNW 11.5 mph - N/A   Overcast
4:56 PM 59.0 °F 46.0 °F 62% 30.09 in 10.0 mi WNW 13.8 mph - N/A   Overcast
5:56 PM 54.0 °F 46.9 °F 77% 30.10 in 10.0 mi WNW 13.8 mph - N/A   Overcast
6:56 PM 54.0 °F 46.9 °F 77% 30.11 in 10.0 mi WNW 10.4 mph - N/A   Overcast
7:56 PM 55.0 °F 46.0 °F 72% 30.10 in 10.0 mi West 9.2 mph - N/A   Overcast
8:56 PM 52.0 °F 46.9 °F 83% 30.11 in 10.0 mi WNW 12.7 mph - N/A   Overcast
9:56 PM 52.0 °F 46.9 °F 83% 30.12 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
10:56 PM 52.0 °F 46.9 °F 83% 30.11 in 10.0 mi WNW 11.5 mph - N/A   Overcast
11:56 PM 52.0 °F 46.9 °F 83% 30.11 in 10.0 mi WNW 9.2 mph - N/A   Overcast