Weather History for San Francisco, CA

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Saturday, January 26, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 51 °F  
Max Temperature 56 °F 57 °F 66 °F (1984)
Min Temperature 49 °F 45 °F 30 °F (1949)
Degree Days  
Heating Degree Days 12 14  
Month to date heating degree days 430 385  
Since 1 July heating degree days 1425 1395  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 76    
Maximum Humidity 96    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.13 in 1.52 in (1983)
Month to date precipitation 0.20 3.52  
Year to date precipitation 0.20 3.52  
Since 1 July precipitation 11.20 11.09  
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 19 mph (West)    
Max Wind Speed 33 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 26, 2013 Rise Set
Actual Time 7:17 AM PST 5:27 PM PST
Civil Twilight 6:49 AM PST 5:55 PM PST
Nautical Twilight 6:17 AM PST 6:26 PM PST
Astronomical Twilight 5:46 AM PST 6:57 PM PST
Moon 5:26 PM PST (1/26) 6:39 AM PST (1/26)
Length of Visible Light 11h 05m
Length of Day
10h 09m
Full, 100% of the Moon is Illuminated
Jan 26
Full
Jan 26
Full
Feb 3
Last Quarter
Feb 9
New
Feb 17
First 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 52.0 °F 46.9 °F 83% 30.05 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
1:56 AM 52.0 °F 46.0 °F 80% 30.05 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
2:56 AM 52.0 °F 46.0 °F 80% 30.04 in 10.0 mi West 10.4 mph - N/A   Overcast
3:56 AM 52.0 °F 48.9 °F 89% 30.03 in 10.0 mi West 11.5 mph - N/A   Overcast
4:52 AM 51.8 °F 50.0 °F 94% 30.03 in 10.0 mi West 11.5 mph - N/A   Overcast
4:56 AM 52.0 °F 48.9 °F 89% 30.03 in 10.0 mi West 11.5 mph - N/A   Overcast
5:32 AM 51.8 °F 48.2 °F 88% 30.03 in 4.0 mi West 15.0 mph - N/A   Overcast
5:56 AM 52.0 °F 50.0 °F 93% 30.03 in 10.0 mi West 8.1 mph - N/A   Overcast
6:56 AM 52.0 °F 50.0 °F 93% 30.03 in 9.0 mi West 10.4 mph - N/A   Overcast
7:22 AM 51.8 °F 48.2 °F 88% 30.03 in 10.0 mi West 11.5 mph - N/A   Overcast
7:38 AM 51.8 °F 50.0 °F 94% 30.03 in 2.0 mi West 18.4 mph - N/A Fog Overcast
7:56 AM 51.1 °F 46.9 °F 86% 30.04 in 7.0 mi West 20.7 mph - N/A   Mostly Cloudy
8:09 AM 51.8 °F 44.6 °F 76% 30.04 in 10.0 mi West 19.6 mph - N/A   Mostly Cloudy
8:35 AM 51.8 °F 44.6 °F 76% 30.04 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
8:56 AM 52.0 °F 43.0 °F 71% 30.05 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
9:56 AM 53.1 °F 42.1 °F 66% 30.06 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Partly Cloudy
10:56 AM 55.0 °F 39.9 °F 57% 30.06 in 10.0 mi West 21.9 mph 25.3 mph N/A   Partly Cloudy
11:56 AM 55.0 °F 41.0 °F 59% 30.04 in 10.0 mi West 26.5 mph 33.4 mph N/A   Partly Cloudy
12:56 PM 55.0 °F 43.0 °F 64% 30.03 in 10.0 mi West 25.3 mph 36.8 mph N/A   Partly Cloudy
1:56 PM 55.0 °F 42.1 °F 62% 30.02 in 10.0 mi WNW 23.0 mph - N/A   Partly Cloudy
2:56 PM 54.0 °F 42.1 °F 64% 30.04 in 10.0 mi West 29.9 mph 38.0 mph N/A   Scattered Clouds
3:56 PM 53.1 °F 39.9 °F 61% 30.04 in 10.0 mi West 24.2 mph 29.9 mph N/A   Scattered Clouds
4:56 PM 51.1 °F 42.1 °F 71% 30.03 in 10.0 mi West 26.5 mph 32.2 mph N/A   Scattered Clouds
5:56 PM 51.1 °F 39.9 °F 66% 30.04 in 10.0 mi West 23.0 mph 29.9 mph N/A   Scattered Clouds
6:56 PM 50.0 °F 41.0 °F 71% 30.06 in 10.0 mi West 21.9 mph - N/A   Scattered Clouds
7:56 PM 50.0 °F 39.9 °F 68% 30.07 in 10.0 mi West 23.0 mph - N/A   Partly Cloudy
8:56 PM 50.0 °F 39.9 °F 68% 30.07 in 10.0 mi West 21.9 mph 31.1 mph N/A   Partly Cloudy
9:56 PM 48.9 °F 39.9 °F 71% 30.09 in 10.0 mi West 21.9 mph - N/A   Scattered Clouds
10:56 PM 48.9 °F 39.9 °F 71% 30.09 in 10.0 mi West 20.7 mph 26.5 mph N/A   Partly Cloudy
11:56 PM 50.0 °F 39.0 °F 66% 30.10 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Scattered Clouds