History for San Francisco, CA

Friday, November 27, 2009 — View Current Conditions

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Recently Viewed Airport Codes: KSFO | KCSG | KOEB | KBOI | PHLI
Daily Summary
  Actual Average Record
Temperature
Mean Temperature 54°F 52°F  
Max Temperature 57°F 59°F 69°F (2002)
Min Temperature 50°F 45°F 37°F (1952)
Degree Days
Heating Degree Days 11 12  
Month to date heating degree days 225 259  
Since 1 July heating degree days 486 585  
Cooling Degree Days 0 0  
Month to date cooling degree days 3 0  
Year to date cooling degree days 214 142  
Growing Degree Days 3 (Base 50)    
Moisture
Dew Point 50°F    
Average Humidity 84    
Maximum Humidity 96    
Minimum Humidity 71    
Precipitation
Precipitation 0.01 in 0.09 in 1.11 in (1970)
Month to date precipitation 0.20 2.22  
Year to date precipitation 13.38 16.95  
Since 1 July precipitation 3.43 3.56  
Sea Level Pressure
Sea Level Pressure 30.06 in    
Wind
Wind Speed 14 mph (West)    
Max Wind Speed 24 mph    
Max Gust Speed 32 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Hourly Observations

Time(PST) Temperature Dew Point Humidity Sea Level Pressure Visibility Wind Direction Wind Speed Gust Speed Precipitation Events Conditions
12:16 AM 51.8°F 48.2°F 88% 30.07 in 10.0 miles WNW 4.6 mph - N/A   Mostly Cloudy
12:45 AM 53.6°F 50.0°F 88% 30.06 in 10.0 miles West 9.2 mph - N/A   Mostly Cloudy
12:56 AM 53.1°F 50.0°F 89% 30.06 in 10.0 miles West 5.8 mph - N/A   Overcast
1:56 AM 53.1°F 52.0°F 96% 30.05 in 10.0 miles West 3.5 mph - N/A   Overcast
2:54 AM 53.6°F 51.8°F 94% 30.05 in 2.5 miles NW 4.6 mph - 0.00 in Rain Light Rain
2:56 AM 53.1°F 52.0°F 96% 30.05 in 2.5 miles NW 4.6 mph - 0.00 in Rain Light Rain
3:03 AM 53.6°F 51.8°F 94% 30.05 in 4.0 miles NW 3.5 mph - 0.01 in   Overcast
3:25 AM 53.6°F 53.6°F 100% 30.05 in 4.0 miles WNW 4.6 mph - 0.01 in   Overcast
3:35 AM 53.6°F 53.6°F 100% 30.05 in 3.0 miles WNW 3.5 mph - 0.01 in   Overcast
3:56 AM 53.1°F 52.0°F 96% 30.05 in 5.0 miles West 10.4 mph - 0.01 in   Overcast
4:14 AM 53.6°F 51.8°F 94% 30.05 in 5.0 miles West 12.7 mph - N/A   Overcast
4:50 AM 53.6°F 51.8°F 94% 30.05 in 7.0 miles West 4.6 mph - 0.00 in   Overcast
4:56 AM 53.1°F 51.1°F 93% 30.05 in 8.0 miles West 6.9 mph - 0.00 in Rain Light Rain
5:45 AM 53.6°F 51.8°F 94% 30.05 in 10.0 miles WNW 3.5 mph - 0.00 in   Overcast
5:56 AM 53.1°F 51.1°F 93% 30.06 in 10.0 miles WSW 3.5 mph - 0.00 in   Overcast
6:56 AM 54.0°F 50.0°F 86% 30.06 in 9.0 miles SW 5.8 mph - N/A   Overcast
7:56 AM 54.0°F 50.0°F 86% 30.06 in 10.0 miles WSW 11.5 mph - N/A   Overcast
8:56 AM 54.0°F 52.0°F 93% 30.07 in 8.0 miles West 11.5 mph - 0.00 in   Overcast
9:56 AM 55.0°F 51.1°F 86% 30.08 in 10.0 miles West 20.7 mph 26.5 mph 0.00 in   Mostly Cloudy
10:56 AM 55.9°F 51.1°F 84% 30.07 in 10.0 miles West 18.4 mph 26.5 mph N/A   Mostly Cloudy
11:56 AM 55.9°F 48.0°F 75% 30.03 in 10.0 miles WSW 19.6 mph 24.2 mph N/A   Mostly Cloudy
12:56 PM 54.0°F 51.1°F 90% 30.00 in 4.0 miles SW 13.8 mph 19.6 mph N/A   Mostly Cloudy
12:59 PM 53.6°F 51.8°F 94% 30.00 in 4.0 miles WSW 11.5 mph 19.6 mph N/A   Overcast
1:17 PM 53.6°F 51.8°F 94% 29.99 in 2.5 miles West 21.9 mph 28.8 mph 0.00 in   Overcast
1:26 PM 53.6°F 51.8°F 94% 29.98 in 4.0 miles West 20.7 mph - 0.00 in Rain Light Rain
1:56 PM 54.0°F 51.1°F 90% 29.99 in 5.0 miles WNW 21.9 mph 29.9 mph 0.00 in Rain Light Rain
2:56 PM 55.9°F 48.9°F 77% 29.99 in 9.0 miles WNW 17.3 mph - 0.00 in   Mostly Cloudy
3:56 PM 55.0°F 48.0°F 77% 29.99 in 9.0 miles West 16.1 mph - N/A   Mostly Cloudy
4:56 PM 54.0°F 46.9°F 77% 29.99 in 8.0 miles West 18.4 mph - N/A   Mostly Cloudy
5:56 PM 53.1°F 46.9°F 80% 30.00 in 9.0 miles West 20.7 mph - N/A   Mostly Cloudy
6:56 PM 52.0°F 46.0°F 80% 30.01 in 9.0 miles WNW 18.4 mph - N/A   Mostly Cloudy
7:56 PM 51.1°F 45.0°F 80% 30.01 in 10.0 miles West 15.0 mph - N/A   Partly Cloudy
8:56 PM 51.1°F 45.0°F 80% 30.01 in 10.0 miles WNW 10.4 mph - N/A   Partly Cloudy
9:56 PM 51.1°F 44.1°F 77% 30.01 in 10.0 miles West 17.3 mph - N/A   Scattered Clouds
10:56 PM 51.1°F 42.1°F 71% 30.01 in 10.0 miles WNW 23.0 mph - N/A   Partly Cloudy
11:56 PM 51.1°F 39.0°F 63% 30.01 in 10.0 miles WNW 18.4 mph - N/A   Partly Cloudy