San Francisco, CA

11:52 AM PDT on September 23, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - February, 2011

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Tuesday, February 8, 2011

  Actual Average Record
Temperature  
Mean Temperature 55 °F 52 °F  
Max Temperature 60 °F 59 °F 73 °F (2006)
Min Temperature 50 °F 46 °F 33 °F (1948)
Degree Days  
Heating Degree Days 10 13  
Month to date heating degree days 70 104  
Since 1 July heating degree days 1417 1571  
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 30 °F    
Average Humidity 46    
Maximum Humidity 63    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.15 in 1.52 in (1985)
Month to date precipitation 0.00 1.20  
Year to date precipitation 0.94 5.39  
Since 1 July precipitation 10.20  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 17 mph (NNW)    
Max Wind Speed 32 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 08, 2011 Rise Set
Actual Time 7:06 AM PST 5:41 PM PST
Civil Twilight 6:39 AM PST 6:08 PM PST
Nautical Twilight 6:08 AM PST 6:39 PM PST
Astronomical Twilight 5:38 AM PST 7:09 PM PST
Moon 9:26 AM PST (2/8) 11:17 PM PST (2/8)
Length of Visible Light 11h 28m
Length of Day
10h 34m
Waxing Crescent, 27% of the Moon is Illuminated
Feb 8
Waxing Crescent
Feb 10
First Quarter
Feb 18
Full
Feb 24
Last Quarter
Mar 4
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 39.0 °F 63% 30.10 in 10.0 mi West 12.7 mph - N/A   Clear
1:56 AM 55.0 °F 25.0 °F 31% 30.10 in 10.0 mi NNW 17.3 mph 28.8 mph N/A   Clear
2:56 AM 54.0 °F 24.1 °F 31% 30.09 in 10.0 mi NW 25.3 mph 31.1 mph N/A   Clear
3:56 AM 53.6 °F 24.8 °F 33% 30.07 in 10.0 mi NNW 27.6 mph 36.8 mph N/A   Clear
4:56 AM 54.0 °F 26.1 °F 34% 30.08 in 10.0 mi NNW 26.5 mph 35.7 mph N/A   Clear
5:56 AM 53.1 °F 27.0 °F 37% 30.09 in 10.0 mi North 26.5 mph 33.4 mph N/A   Clear
6:56 AM 52.0 °F 28.9 °F 41% 30.10 in 10.0 mi NNW 24.2 mph 32.2 mph N/A   Clear
7:56 AM 52.0 °F 27.0 °F 38% 30.11 in 10.0 mi NNW 18.4 mph - N/A   Clear
8:56 AM 53.6 °F 28.4 °F 38% 30.11 in 10.0 mi NNW 21.9 mph - N/A   Clear
9:56 AM 54.0 °F 28.0 °F 37% 30.12 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Clear
10:56 AM 55.9 °F 28.0 °F 34% 30.13 in 10.0 mi NNW 19.6 mph - N/A   Clear
11:56 AM 57.0 °F 27.0 °F 32% 30.10 in 10.0 mi NNW 21.9 mph - N/A   Clear
12:56 PM 59.0 °F 26.1 °F 28% 30.06 in 10.0 mi NNW 28.8 mph 33.4 mph N/A   Clear
1:56 PM 59.0 °F 27.0 °F 29% 30.06 in 10.0 mi NNW 19.6 mph 27.6 mph N/A   Clear
2:56 PM 57.9 °F 37.9 °F 47% 30.07 in 10.0 mi WNW 10.4 mph - N/A   Clear
3:56 PM 59.0 °F 35.1 °F 41% 30.07 in 10.0 mi North 15.0 mph - N/A   Clear
4:56 PM 57.9 °F 36.0 °F 44% 30.08 in 10.0 mi North 10.4 mph - N/A   Clear
5:56 PM 55.9 °F 37.0 °F 49% 30.09 in 10.0 mi NNE 12.7 mph - N/A   Clear
6:56 PM 55.0 °F 37.9 °F 53% 30.10 in 10.0 mi North 11.5 mph - N/A   Clear
7:56 PM 55.9 °F 30.9 °F 39% 30.12 in 10.0 mi NNW 12.7 mph - N/A   Clear
8:56 PM 54.0 °F 28.9 °F 38% 30.14 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:56 PM 51.1 °F 34.0 °F 52% 30.15 in 10.0 mi West 9.2 mph - N/A   Clear
10:56 PM 51.1 °F 28.0 °F 41% 30.15 in 10.0 mi NW 4.6 mph - N/A   Clear
11:56 PM 54.0 °F 28.0 °F 37% 30.16 in 10.0 mi North 4.6 mph - N/A   Clear