San Francisco, CA

6:41 AM PST on December 08, 2016 (GMT -0800)
San Francisco International

Weather History for KSFO - March, 2013

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Saturday, March 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 55 °F  
Max Temperature 65 °F 63 °F 73 °F (1970)
Min Temperature 43 °F 48 °F 39 °F (1994)
Degree Days  
Heating Degree Days 11 10  
Month to date heating degree days 252 237  
Since 1 July heating degree days 2136 2043  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 56    
Maximum Humidity 86    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in 0.09 in 1.51 in (1958)
Month to date precipitation 0.31 2.38  
Year to date precipitation 1.18 10.63  
Since 1 July precipitation 12.18  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 24 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Mar. 23, 2013 Rise Set
Actual Time 7:07 AM PDT 7:24 PM PDT
Civil Twilight 6:41 AM PDT 7:50 PM PDT
Nautical Twilight 6:11 AM PDT 8:21 PM PDT
Astronomical Twilight 5:40 AM PDT 8:52 PM PDT
Moon 4:00 PM PDT (3/23) 4:43 AM PDT (3/23)
Length of Visible Light 13h 08m
Length of Day
12h 16m
Waxing Gibbous, 86% of the Moon is Illuminated
Mar 23
Waxing Gibbous
Mar 27
Full
Apr 2
Last Quarter
Apr 10
New
Apr 18
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 46.9 °F - 42.1 °F 83% 30.10 in 8.0 mi West 4.6 mph - N/A   Clear
1:56 AM 46.9 °F - 41.0 °F 80% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:56 AM 45.0 °F 42.6 °F 37.0 °F 74% 30.10 in 10.0 mi SW 4.6 mph - N/A   Clear
3:56 AM 46.0 °F 44.8 °F 37.0 °F 71% 30.09 in 10.0 mi SW 3.5 mph - N/A   Clear
4:56 AM 45.0 °F - 37.0 °F 74% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 45.0 °F - 37.0 °F 74% 30.10 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 45.0 °F 42.6 °F 37.0 °F 74% 30.11 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
7:56 AM 46.0 °F - 36.0 °F 68% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 53.1 °F - 42.1 °F 66% 30.15 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
9:56 AM 55.0 °F - 43.0 °F 64% 30.14 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
10:56 AM 55.9 °F - 41.0 °F 57% 30.15 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
11:56 AM 57.9 °F - 35.1 °F 42% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:56 PM 61.0 °F - 28.9 °F 30% 30.12 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
1:56 PM 63.0 °F - 26.1 °F 25% 30.10 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:56 PM 61.0 °F - 39.0 °F 44% 30.09 in 10.0 mi West 18.4 mph - N/A   Overcast
3:03 PM 60.8 °F - 39.2 °F 45% 30.09 in 10.0 mi West 19.6 mph - N/A   Overcast
3:56 PM 57.9 °F - 39.0 °F 49% 30.08 in 10.0 mi WNW 17.3 mph - N/A   Mostly Cloudy
4:56 PM 57.9 °F - 37.0 °F 46% 30.08 in 10.0 mi West 21.9 mph - N/A   Mostly Cloudy
5:56 PM 55.0 °F - 41.0 °F 59% 30.07 in 10.0 mi West 20.7 mph - N/A   Mostly Cloudy
6:56 PM 53.1 °F - 41.0 °F 64% 30.08 in 10.0 mi West 21.9 mph - N/A   Scattered Clouds
7:56 PM 50.0 °F - 41.0 °F 71% 30.08 in 10.0 mi West 20.7 mph - N/A   Partly Cloudy
8:56 PM 50.0 °F - 41.0 °F 71% 30.09 in 10.0 mi West 15.0 mph - N/A   Clear
9:56 PM 50.0 °F - 41.0 °F 71% 30.10 in 10.0 mi WNW 12.7 mph - N/A   Clear
10:56 PM 48.9 °F - 41.0 °F 74% 30.10 in 10.0 mi West 10.4 mph - N/A   Clear
11:56 PM 48.9 °F - 41.0 °F 74% 30.09 in 10.0 mi WNW 11.5 mph - N/A   Clear