San Francisco, CA

12:47 AM PDT on July 26, 2016 (GMT -0700)
San Francisco International

Weather History for KSFO - January, 2008

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Saturday, January 19, 2008

  Actual Average Record
Temperature  
Mean Temperature 47 °F 50 °F  
Max Temperature 54 °F 56 °F 68 °F (1976)
Min Temperature 39 °F 44 °F 35 °F (1980)
Degree Days  
Heating Degree Days 18 15  
Month to date heating degree days 294 285  
Since 1 July heating degree days 1328 1295  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 40 °F    
Average Humidity 73    
Maximum Humidity 92    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in 0.12 in 1.52 in (2010)
Month to date precipitation 3.29 2.63  
Year to date precipitation 3.29 2.63  
Since 1 July precipitation 8.65  
Snow  
Snow 0.00 in - 0.00 in ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 4 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 21 mph    
Visibility 8 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

Jan. 19, 2008 Rise Set
Actual Time 7:21 AM PST 5:18 PM PST
Civil Twilight 6:53 AM PST 5:47 PM PST
Nautical Twilight 6:21 AM PST 6:19 PM PST
Astronomical Twilight 5:50 AM PST 6:50 PM PST
Moon 2:12 PM PST (1/19) 4:59 AM PST (1/19)
Length of Visible Light 10h 53m
Length of Day
9h 56m
Waxing Gibbous, 90% of the Moon is Illuminated
Jan 19
Waxing Gibbous
Jan 22
Full
Jan 29
Last Quarter
Feb 6
New
Feb 13
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 48.0 °F - 37.9 °F 68% 30.27 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 44.1 °F - 35.1 °F 71% 30.29 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 41.0 °F - 35.1 °F 79% 30.29 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 42.1 °F 40.2 °F 37.9 °F 85% 30.29 in 10.0 mi SSE 3.5 mph - N/A   Clear
4:56 AM 39.0 °F - 36.0 °F 89% 30.29 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 39.9 °F 37.8 °F 37.0 °F 89% 30.29 in 10.0 mi SSW 3.5 mph - N/A   Clear
6:56 AM 41.0 °F - 37.9 °F 89% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 42.1 °F - 39.0 °F 89% 30.30 in 8.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 46.0 °F - 41.0 °F 83% 30.32 in 8.0 mi Calm Calm - N/A   Clear
9:56 AM 48.0 °F - 39.9 °F 74% 30.33 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 AM 48.2 °F - 41.0 °F 76% 30.32 in 9.0 mi NE 3.5 mph - N/A   Partly Cloudy
11:56 AM 50.0 °F - 42.1 °F 74% 30.29 in 8.0 mi North 5.8 mph - N/A   Partly Cloudy
12:56 PM 52.0 °F - 41.0 °F 66% 30.25 in 8.0 mi North 3.5 mph - N/A   Partly Cloudy
1:56 PM 52.0 °F - 43.0 °F 71% 30.22 in 8.0 mi Calm Calm - N/A   Scattered Clouds
2:56 PM 52.0 °F - 41.0 °F 66% 30.20 in 9.0 mi Calm Calm - N/A   Scattered Clouds
3:56 PM 53.6 °F - 41.0 °F 62% 30.19 in 9.0 mi NNE 3.5 mph - N/A   Scattered Clouds
4:56 PM 54.0 °F - 37.0 °F 53% 30.17 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 PM 52.0 °F - 35.1 °F 53% 30.17 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
6:56 PM 51.1 °F - 39.0 °F 63% 30.17 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
7:56 PM 50.0 °F - 39.9 °F 68% 30.16 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
8:30 PM 46.4 °F 39.5 °F 44.6 °F 93% 30.17 in 3.0 mi West 17.3 mph - N/A   Mostly Cloudy
8:56 PM 48.0 °F - 45.0 °F 89% 30.17 in 4.0 mi West 11.5 mph - N/A   Mostly Cloudy
9:20 PM 48.2 °F - 44.6 °F 87% 30.16 in 5.0 mi West 15.0 mph - N/A   Scattered Clouds
9:56 PM 48.2 °F - 44.6 °F 87% 30.15 in 6.0 mi West 11.5 mph - N/A   Partly Cloudy
10:56 PM 46.9 °F - 43.0 °F 86% 30.14 in 8.0 mi West 5.8 mph - N/A   Clear
11:56 PM 45.0 °F 41.8 °F 42.1 °F 90% 30.13 in 7.0 mi WNW 5.8 mph - N/A   Partly Cloudy