San Francisco, CA

9:32 AM PDT on September 27, 2016 (GMT -0700)
San Francisco International

Weather History for KSFO - February, 2010

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Monday, February 15, 2010

  Actual Average Record
Temperature  
Mean Temperature 55 °F 53 °F  
Max Temperature 62 °F 60 °F 75 °F (2015)
Min Temperature 48 °F 46 °F 33 °F (1953)
Degree Days  
Heating Degree Days 10 12  
Month to date heating degree days 168 190  
Since 1 July heating degree days 1580 1657  
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 51 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 78    
Precipitation  
Precipitation 0.00 in 0.14 in 2.42 in (2009)
Month to date precipitation 0.85 2.20  
Year to date precipitation 6.82 6.39  
Since 1 July precipitation 13.32  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 25 mph    
Max Gust Speed 29 mph    
Visibility 6 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 15, 2010 Rise Set
Actual Time 6:58 AM PST 5:48 PM PST
Civil Twilight 6:32 AM PST 6:15 PM PST
Nautical Twilight 6:01 AM PST 6:46 PM PST
Astronomical Twilight 5:30 AM PST 7:16 PM PST
Moon 7:28 AM PST (2/15) 7:38 PM PST (2/15)
Length of Visible Light 11h 43m
Length of Day
10h 50m
Waxing Crescent, 3% of the Moon is Illuminated
Feb 15
Waxing Crescent
Feb 21
First Quarter
Feb 28
Full
Mar 7
Last Quarter
Mar 15
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 52.0 °F 50.0 °F 93% 30.15 in 10.0 mi SE 3.5 mph - N/A   Clear
1:56 AM 51.1 °F 48.9 °F 92% 30.15 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 51.1 °F 48.9 °F 92% 30.15 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 50.0 °F 46.9 °F 89% 30.15 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 50.0 °F 48.0 °F 93% 30.15 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 AM 48.9 °F 48.0 °F 97% 30.14 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
6:36 AM 50.0 °F 48.2 °F 94% 30.14 in 3.0 mi SE 3.5 mph - N/A   Mostly Cloudy
6:56 AM 52.0 °F 51.1 °F 97% 30.14 in 1.0 mi Calm Calm - N/A   Overcast
7:04 AM 51.8 °F 51.8 °F 100% 30.14 in 0.2 mi Calm Calm - N/A Fog Fog
7:29 AM 51.8 °F 51.8 °F 100% 30.15 in 0.2 mi Calm Calm - N/A Fog Fog
7:32 AM 51.8 °F 51.8 °F 100% 30.15 in 0.1 mi Calm Calm - N/A Fog Fog
7:56 AM 52.0 °F 51.1 °F 97% 30.16 in 0.1 mi Calm Calm - N/A Fog Fog
8:56 AM 51.1 °F 51.1 °F 100% 30.17 in 0.1 mi Calm Calm - N/A Fog Fog
9:56 AM 51.1 °F 51.1 °F 100% 30.17 in 0.2 mi Calm Calm - N/A Fog Fog
10:37 AM 51.8 °F 51.8 °F 100% 30.16 in 0.2 mi Calm Calm - N/A Fog Fog
10:56 AM 52.0 °F 51.1 °F 97% 30.17 in 1.0 mi Calm Calm - N/A   Mostly Cloudy
11:10 AM 51.8 °F 51.8 °F 100% 30.16 in 1.0 mi Calm Calm - N/A   Mostly Cloudy
11:29 AM 53.6 °F 51.8 °F 94% 30.15 in 3.0 mi NNE 4.6 mph - N/A   Partly Cloudy
11:41 AM 53.6 °F 51.8 °F 94% 30.15 in 2.0 mi NE 4.6 mph - N/A   Partly Cloudy
11:52 AM 53.6 °F 51.8 °F 94% 30.14 in 2.0 mi NE 4.6 mph - N/A   Partly Cloudy
11:56 AM 53.1 °F 52.0 °F 96% 30.14 in 2.0 mi NNE 4.6 mph - N/A   Partly Cloudy
12:56 PM 53.1 °F 52.0 °F 96% 30.11 in 2.5 mi ENE 3.5 mph - N/A   Partly Cloudy
1:16 PM 53.6 °F 51.8 °F 94% 30.10 in 3.0 mi NNE 3.5 mph - N/A   Partly Cloudy
1:56 PM 57.0 °F 53.1 °F 87% 30.08 in 9.0 mi NNE 3.5 mph - N/A   Scattered Clouds
2:56 PM 60.1 °F 53.1 °F 78% 30.07 in 10.0 mi WNW 19.6 mph 24.2 mph N/A   Mostly Cloudy
3:10 PM 59.0 °F 53.6 °F 82% 30.07 in 10.0 mi WNW 15.0 mph - N/A   Mostly Cloudy
3:56 PM 61.0 °F 53.1 °F 75% 30.07 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
4:56 PM 57.9 °F 51.1 °F 78% 30.07 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
5:56 PM 55.0 °F 51.1 °F 86% 30.07 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
6:56 PM 54.0 °F 51.1 °F 90% 30.09 in 10.0 mi West 24.2 mph - N/A   Scattered Clouds
7:09 PM 53.6 °F 51.8 °F 94% 30.10 in 10.0 mi West 23.0 mph 28.8 mph N/A   Mostly Cloudy
7:56 PM 55.0 °F 52.0 °F 89% 30.10 in 10.0 mi West 21.9 mph - N/A   Mostly Cloudy
8:22 PM 53.6 °F 51.8 °F 94% 30.09 in 10.0 mi West 17.3 mph - N/A   Scattered Clouds
8:56 PM 54.0 °F 51.1 °F 90% 30.10 in 10.0 mi WNW 13.8 mph 25.3 mph N/A   Scattered Clouds
9:35 PM 53.6 °F 51.8 °F 94% 30.11 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
9:56 PM 54.0 °F 51.1 °F 90% 30.11 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
10:56 PM 53.1 °F 51.1 °F 93% 30.11 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
11:56 PM 53.1 °F 51.1 °F 93% 30.11 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy