San Francisco, CA

12:25 PM PST on February 19, 2018 (GMT -0800)
San Francisco International

Weather History for KSFO - February, 2010

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Friday, February 12, 2010

  Actual Average Record
Temperature  
Mean Temperature 57 °F 53 °F  
Max Temperature 62 °F 59 °F 76 °F (1996)
Min Temperature 52 °F 46 °F 32 °F (1949)
Degree Days  
Heating Degree Days 8 12  
Month to date heating degree days 139 154  
Since 1 July heating degree days 1551 1621  
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 52 °F    
Average Humidity 84    
Maximum Humidity 96    
Minimum Humidity 72    
Precipitation  
Precipitation 0.02 in 0.14 in 1.65 in (1987)
Month to date precipitation 0.85 1.77  
Year to date precipitation 6.82 5.96  
Since 1 July precipitation 13.32  
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 9 miles    
Events Rain    
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

Feb. 12, 2010 Rise Set
Actual Time 7:02 AM PST 5:45 PM PST
Civil Twilight 6:35 AM PST 6:12 PM PST
Nautical Twilight 6:04 AM PST 6:43 PM PST
Astronomical Twilight 5:34 AM PST 7:13 PM PST
Moon 6:11 AM PST (2/12) 4:46 PM PST (2/12)
Length of Visible Light 11h 37m
Length of Day
10h 43m
Waning Crescent, 1% of the Moon is Illuminated
Feb 12
Waning Crescent
Feb 13
New
Feb 21
First Quarter
Feb 28
Full
Mar 7
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 54.0 °F 48.0 °F 80% 30.19 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
1:56 AM 55.0 °F 48.9 °F 80% 30.19 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:56 AM 55.0 °F 50.0 °F 83% 30.20 in 10.0 mi SSE 3.5 mph - N/A   Overcast
3:56 AM 54.0 °F 48.9 °F 83% 30.18 in 10.0 mi SE 9.2 mph - N/A   Overcast
4:56 AM 53.1 °F 48.0 °F 83% 30.19 in 10.0 mi ESE 6.9 mph - N/A   Overcast
5:56 AM 52.0 °F 50.0 °F 93% 30.19 in 10.0 mi SE 5.8 mph - 0.00 in   Overcast
6:56 AM 52.0 °F 50.0 °F 93% 30.22 in 4.0 mi Calm Calm - 0.00 in Rain Light Rain
7:26 AM 51.8 °F 51.8 °F 100% 30.22 in 8.0 mi Calm Calm - 0.01 in   Overcast
7:56 AM 53.1 °F 51.1 °F 93% 30.21 in 10.0 mi ESE 5.8 mph - 0.01 in   Overcast
8:56 AM 54.0 °F 51.1 °F 90% 30.22 in 4.0 mi ESE 5.8 mph - 0.00 in Rain Light Rain
9:56 AM 54.0 °F 52.0 °F 93% 30.24 in 9.0 mi East 4.6 mph - 0.01 in   Overcast
10:56 AM 55.9 °F 54.0 °F 93% 30.23 in 10.0 mi East 4.6 mph - 0.00 in   Mostly Cloudy
11:56 AM 57.0 °F 53.1 °F 87% 30.22 in 10.0 mi East 5.8 mph - 0.00 in   Overcast
12:56 PM 59.0 °F 53.1 °F 81% 30.19 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
1:56 PM 59.0 °F 53.1 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
2:56 PM 62.1 °F 53.1 °F 72% 30.18 in 10.0 mi South 12.7 mph - N/A   Overcast
3:56 PM 62.1 °F 53.1 °F 72% 30.18 in 10.0 mi SW 8.1 mph - N/A   Overcast
4:56 PM 61.0 °F 53.1 °F 75% 30.18 in 10.0 mi SW 13.8 mph - N/A   Overcast
5:56 PM 57.9 °F 55.0 °F 90% 30.19 in 7.0 mi SW 4.6 mph - 0.00 in   Overcast
6:56 PM 57.9 °F 54.0 °F 87% 30.19 in 10.0 mi SSW 5.8 mph - N/A   Overcast
7:56 PM 57.0 °F 53.1 °F 87% 30.20 in 10.0 mi South 11.5 mph - N/A   Scattered Clouds
8:56 PM 57.0 °F 53.1 °F 87% 30.21 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
9:56 PM 57.0 °F 53.1 °F 87% 30.22 in 10.0 mi SSW 3.5 mph - N/A   Overcast
10:56 PM 57.0 °F 53.1 °F 87% 30.22 in 10.0 mi South 3.5 mph - N/A   Overcast
11:56 PM 57.0 °F 54.0 °F 89% 30.22 in 10.0 mi NW 3.5 mph - 0.00 in   Overcast