San Francisco, CA

8:51 PM PST on February 21, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - March, 2011

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Thursday, March 10, 2011

  Actual Average Record
Temperature  
Mean Temperature 53 °F 55 °F  
Max Temperature 60 °F 62 °F 78 °F (2004)
Min Temperature 46 °F 48 °F 33 °F (1951)
Degree Days  
Heating Degree Days 12 10  
Month to date heating degree days 112 107  
Since 1 July heating degree days 1856 1913  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 57    
Precipitation  
Precipitation 0.01 in 0.11 in 1.80 in (1986)
Month to date precipitation 0.66 1.16  
Year to date precipitation 6.39 9.41  
Since 1 July precipitation 15.65  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 10, 2011 Rise Set
Actual Time 6:28 AM PST 6:11 PM PST
Civil Twilight 6:02 AM PST 6:37 PM PST
Nautical Twilight 5:31 AM PST 7:08 PM PST
Astronomical Twilight 5:01 AM PST 7:38 PM PST
Moon 9:09 AM PST (3/10) No Moon Set
Length of Visible Light 12h 35m
Length of Day
11h 43m
Waxing Crescent, 29% of the Moon is Illuminated
Mar 10
Waxing Crescent
Mar 12
First Quarter
Mar 19
Full
Mar 26
Last Quarter
Apr 3
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 51.1 °F 46.0 °F 83% 30.23 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
1:56 AM 50.0 °F 45.0 °F 83% 30.22 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
2:56 AM 48.9 °F 45.0 °F 86% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 46.9 °F 44.1 °F 90% 30.20 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
4:56 AM 48.0 °F 44.1 °F 86% 30.19 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:56 AM 46.9 °F 43.0 °F 86% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 AM 48.0 °F 44.1 °F 86% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 50.0 °F 44.1 °F 80% 30.21 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
8:56 AM 57.0 °F 45.0 °F 64% 30.21 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
9:56 AM 59.0 °F 45.0 °F 60% 30.22 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
10:56 AM 59.0 °F 46.9 °F 64% 30.22 in 10.0 mi South 6.9 mph - N/A   Overcast
11:56 AM 59.0 °F 48.9 °F 69% 30.22 in 10.0 mi SW 12.7 mph 20.7 mph 0.00 in Rain Light Rain
12:56 PM 57.0 °F 52.0 °F 83% 30.21 in 9.0 mi South 9.2 mph - 0.00 in Rain Light Rain
1:56 PM 57.0 °F 52.0 °F 83% 30.19 in 8.0 mi SSW 11.5 mph - 0.01 in Rain Light Rain
2:56 PM 57.0 °F 52.0 °F 83% 30.19 in 9.0 mi SSW 9.2 mph 17.3 mph 0.00 in   Overcast
3:56 PM 55.9 °F 52.0 °F 87% 30.20 in 6.0 mi SW 8.1 mph - 0.00 in Rain Light Rain
4:40 PM 55.4 °F 51.8 °F 88% 30.20 in 5.0 mi West 10.4 mph - 0.00 in Rain Light Rain
4:56 PM 55.0 °F 52.0 °F 89% 30.20 in 4.0 mi WNW 9.2 mph - 0.00 in Rain Light Rain
5:13 PM 55.4 °F 51.8 °F 88% 30.20 in 6.0 mi West 9.2 mph - 0.00 in   Mostly Cloudy
5:42 PM 55.4 °F 51.8 °F 88% 30.20 in 9.0 mi West 9.2 mph - 0.00 in   Mostly Cloudy
5:56 PM 54.0 °F 50.0 °F 86% 30.20 in 9.0 mi West 9.2 mph - 0.00 in   Mostly Cloudy
6:17 PM 53.6 °F 50.0 °F 88% 30.21 in 9.0 mi West 4.6 mph - N/A   Mostly Cloudy
6:56 PM 53.1 °F 48.9 °F 86% 30.21 in 9.0 mi West 8.1 mph - N/A   Scattered Clouds
7:56 PM 52.0 °F 48.9 °F 89% 30.20 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
8:56 PM 52.0 °F 46.9 °F 83% 30.22 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
9:56 PM 51.1 °F 48.0 °F 89% 30.22 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
10:56 PM 52.0 °F 48.0 °F 86% 30.21 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
11:56 PM 51.1 °F 46.9 °F 86% 30.22 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy