San Francisco, CA

6:55 PM PDT on May 25, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - March, 2013

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Sunday, March 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 55 °F  
Max Temperature 62 °F 62 °F 82 °F (2004)
Min Temperature 48 °F 48 °F 36 °F (1966)
Degree Days  
Heating Degree Days 10 10  
Month to date heating degree days 186 177  
Since 1 July heating degree days 2070 1983  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 42 °F    
Average Humidity 66    
Maximum Humidity 80    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.09 in 0.68 in (1991)
Month to date precipitation 0.28 1.86  
Year to date precipitation 1.15 10.11  
Since 1 July precipitation 12.15  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 14 mph (West)    
Max Wind Speed 31 mph    
Max Gust Speed 37 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. 17, 2013 Rise Set
Actual Time 7:17 AM PDT 7:18 PM PDT
Civil Twilight 6:50 AM PDT 7:45 PM PDT
Nautical Twilight 6:20 AM PDT 8:15 PM PDT
Astronomical Twilight 5:49 AM PDT 8:46 PM PDT
Moon 10:40 AM PDT (3/17) 12:25 AM PDT (3/17)
Length of Visible Light 12h 54m
Length of Day
12h 01m
Waxing Crescent, 32% of the Moon is Illuminated
Mar 17
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter
Apr 10
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 50.0 °F 44.1 °F 80% 30.12 in 10.0 mi West 12.7 mph 24.2 mph N/A   Clear
1:56 AM 50.0 °F 44.1 °F 80% 30.13 in 10.0 mi West 17.3 mph - N/A   Clear
2:56 AM 50.0 °F 43.0 °F 77% 30.13 in 10.0 mi West 13.8 mph - N/A   Clear
3:56 AM 50.0 °F 43.0 °F 77% 30.13 in 10.0 mi West 18.4 mph - N/A   Clear
4:56 AM 48.9 °F 43.0 °F 80% 30.12 in 10.0 mi West 15.0 mph - N/A   Clear
5:56 AM 48.9 °F 43.0 °F 80% 30.11 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
6:56 AM 48.9 °F 43.0 °F 80% 30.14 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
7:56 AM 48.9 °F 43.0 °F 80% 30.15 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
8:56 AM 51.1 °F 43.0 °F 74% 30.16 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
9:56 AM 54.0 °F 42.1 °F 64% 30.16 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
10:56 AM 57.0 °F 43.0 °F 59% 30.16 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
11:56 AM 59.0 °F 43.0 °F 55% 30.14 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
12:56 PM 57.9 °F 43.0 °F 58% 30.13 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
1:56 PM 61.0 °F 44.1 °F 54% 30.12 in 10.0 mi WNW 15.0 mph - N/A   Scattered Clouds
2:56 PM 60.1 °F 42.1 °F 51% 30.09 in 10.0 mi West 16.1 mph - N/A   Scattered Clouds
3:56 PM 60.1 °F 42.1 °F 51% 30.09 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
4:56 PM 55.9 °F 42.1 °F 60% 30.10 in 10.0 mi West 29.9 mph - N/A   Mostly Cloudy
5:56 PM 53.1 °F 39.9 °F 61% 30.09 in 10.0 mi West 24.2 mph 33.4 mph N/A   Mostly Cloudy
6:56 PM 51.1 °F 39.9 °F 66% 30.08 in 10.0 mi West 23.0 mph - N/A   Overcast
7:56 PM 51.1 °F 39.9 °F 66% 30.08 in 10.0 mi West 21.9 mph 27.6 mph N/A   Overcast
8:56 PM 50.0 °F 39.9 °F 68% 30.08 in 10.0 mi West 20.7 mph - N/A   Mostly Cloudy
9:56 PM 50.0 °F 41.0 °F 71% 30.09 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
10:56 PM 48.9 °F 41.0 °F 74% 30.10 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
11:56 PM 48.0 °F 39.9 °F 74% 30.09 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy