Weather History for KSFO - March, 2011

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Thursday, March 3, 2011

  Actual Average Record
Temperature  
Mean Temperature 56 °F 54 °F  
Max Temperature 61 °F 61 °F 80 °F (1959)
Min Temperature 50 °F 47 °F 31 °F (1966)
Degree Days  
Heating Degree Days 9 11  
Month to date heating degree days 35 33  
Since 1 July heating degree days 1779 1839  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 76    
Maximum Humidity 89    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.12 in 0.89 in (2010)
Month to date precipitation 0.13 0.38  
Year to date precipitation 5.86 8.63  
Since 1 July precipitation 15.12  
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 03, 2011 Rise Set
Actual Time 6:38 AM PST 6:05 PM PST
Civil Twilight 6:12 AM PST 6:31 PM PST
Nautical Twilight 5:41 AM PST 7:01 PM PST
Astronomical Twilight 5:11 AM PST 7:32 PM PST
Moon 5:46 AM PST (3/3) 5:23 PM PST (3/3)
Length of Visible Light 12h 19m
Length of Day
11h 26m
Waning Crescent, 1% of the Moon is Illuminated
Mar 3
Waning Crescent
Mar 4
New
Mar 12
First Quarter
Mar 19
Full
Mar 26
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:41 AM 53.6 °F 48.2 °F 82% 30.16 in 10.0 mi SSW 5.8 mph - N/A   Overcast
12:56 AM 53.1 °F 48.0 °F 83% 30.17 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
1:56 AM 53.1 °F 48.0 °F 83% 30.19 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
2:56 AM 53.1 °F 48.9 °F 86% 30.17 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
3:56 AM 53.1 °F 48.9 °F 86% 30.18 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
4:56 AM 52.0 °F 48.9 °F 89% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 AM 51.1 °F 48.0 °F 89% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:56 AM 51.1 °F 48.0 °F 89% 30.21 in 10.0 mi SE 4.6 mph - N/A   Overcast
7:56 AM 53.1 °F 50.0 °F 89% 30.24 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 AM 54.0 °F 50.0 °F 86% 30.25 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
9:56 AM 54.0 °F 50.0 °F 86% 30.26 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
10:56 AM 55.0 °F 50.0 °F 83% 30.26 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
11:56 AM 57.9 °F 51.1 °F 78% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 PM 60.1 °F 50.0 °F 69% 30.24 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
1:56 PM 61.0 °F 50.0 °F 67% 30.22 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
2:56 PM 60.1 °F 48.0 °F 64% 30.22 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
3:56 PM 59.0 °F 46.9 °F 64% 30.22 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
4:56 PM 57.9 °F 46.0 °F 65% 30.23 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
5:56 PM 54.0 °F 46.9 °F 77% 30.24 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
6:56 PM 53.1 °F 46.9 °F 80% 30.25 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
7:56 PM 51.1 °F 46.9 °F 86% 30.27 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
8:56 PM 50.0 °F 46.0 °F 86% 30.26 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
9:56 PM 51.1 °F 45.0 °F 80% 30.27 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 50.0 °F 44.6 °F 82% 30.27 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
11:56 PM 50.0 °F 44.1 °F 80% 30.27 in 10.0 mi Calm Calm - N/A   Partly Cloudy