Weather History for San Francisco, CA

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Saturday, January 5, 2008

  Actual Average Record
Temperature  
Mean Temperature 50 °F 50 °F  
Max Temperature 54 °F 56 °F 66 °F (2014)
Min Temperature 46 °F 44 °F 26 °F (1949)
Degree Days  
Heating Degree Days 15 15  
Month to date heating degree days 73 75  
Since 1 July heating degree days 1107 1085  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 44 °F    
Average Humidity 81    
Maximum Humidity 93    
Minimum Humidity 68    
Precipitation  
Precipitation 0.77 in 0.14 in 1.98 in (1959)
Month to date precipitation 3.04 0.69  
Year to date precipitation 3.04 0.69  
Since 1 July precipitation 8.40 8.26  
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 29.77 in    
Wind  
Wind Speed 13 mph (South)    
Max Wind Speed 29 mph    
Max Gust Speed 41 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 05, 2008 Rise Set
Actual Time 7:24 AM PST 5:04 PM PST
Civil Twilight 6:55 AM PST 5:33 PM PST
Nautical Twilight 6:23 AM PST 6:06 PM PST
Astronomical Twilight 5:51 AM PST 6:38 PM PST
Moon 5:21 AM PST (1/5) 2:31 PM PST (1/5)
Length of Visible Light 10h 38m
Length of Day
9h 40m
Waning Crescent, 7% of the Moon is Illuminated
Jan 5
Waning Crescent
Jan 8
New
Jan 15
First Quarter
Jan 22
Full
Jan 29
Last 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 51.1 °F - 43.0 °F 74% 29.78 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
1:56 AM 48.0 °F - 41.0 °F 77% 29.80 in 10.0 mi SSW 8.1 mph - N/A   Clear
2:56 AM 46.9 °F - 41.0 °F 80% 29.82 in 10.0 mi SSW 5.8 mph - N/A   Clear
3:56 AM 46.0 °F 41.4 °F 41.0 °F 83% 29.81 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
4:56 AM 46.9 °F - 41.0 °F 80% 29.82 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
5:56 AM 48.0 °F - 41.0 °F 77% 29.82 in 10.0 mi SE 13.8 mph - N/A   Mostly Cloudy
6:56 AM 46.9 °F - 41.0 °F 80% 29.81 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
7:56 AM 46.4 °F 42.4 °F 41.0 °F 81% 29.81 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
8:56 AM 50.0 °F - 42.1 °F 74% 29.80 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
9:56 AM 51.1 °F - 43.0 °F 74% 29.79 in 9.0 mi South 17.3 mph 25.3 mph 0.00 in Rain Light Rain
10:56 AM 52.0 °F - 44.1 °F 74% 29.78 in 5.0 mi South 23.0 mph 27.6 mph 0.01 in Rain Light Rain
11:02 AM 51.8 °F - 44.6 °F 76% 29.78 in 2.5 mi South 23.0 mph 34.5 mph 0.01 in Rain Light Rain
11:08 AM 51.8 °F - 44.6 °F 76% 29.78 in 3.0 mi SSE 23.0 mph 29.9 mph 0.03 in Rain Light Rain
11:27 AM 51.8 °F - 42.8 °F 71% 29.79 in 2.5 mi South 10.4 mph 26.5 mph 0.06 in Rain Light Rain
11:42 AM 51.8 °F - 44.6 °F 76% 29.79 in 2.0 mi SSW 17.3 mph 27.6 mph 0.13 in Rain , Thunderstorm Thunderstorms and Rain
11:56 AM 51.1 °F - 45.0 °F 80% 29.78 in 1.2 mi SW 23.0 mph 41.4 mph 0.21 in Rain , Thunderstorm Heavy Thunderstorms and Rain
12:13 PM 46.4 °F 39.8 °F 44.6 °F 93% 29.78 in 1.2 mi West 16.1 mph - 0.10 in Rain , Thunderstorm Heavy Thunderstorms and Rain
12:39 PM 48.2 °F - 46.4 °F 93% 29.77 in 2.5 mi WSW 19.6 mph 24.2 mph 0.27 in Rain , Thunderstorm Heavy Thunderstorms and Rain
12:56 PM 50.0 °F - 46.9 °F 89% 29.76 in 4.0 mi SSW 17.3 mph 23.0 mph 0.30 in Rain , Thunderstorm Light Thunderstorms and Rain
1:56 PM 48.9 °F - 45.0 °F 86% 29.75 in 3.0 mi WSW 18.4 mph - 0.05 in Rain , Thunderstorm Thunderstorms and Rain
2:34 PM 48.2 °F - 46.4 °F 93% 29.72 in 9.0 mi SSE 13.8 mph 23.0 mph 0.06 in Rain Light Rain
2:56 PM 48.0 °F - 46.0 °F 93% 29.72 in 9.0 mi SSE 11.5 mph - 0.06 in Rain Light Rain
3:56 PM 51.1 °F - 46.9 °F 86% 29.71 in 10.0 mi South 8.1 mph - 0.00 in   Mostly Cloudy
4:56 PM 48.9 °F - 46.0 °F 90% 29.72 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
5:56 PM 48.0 °F - 43.0 °F 83% 29.71 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
6:18 PM 48.2 °F - 44.6 °F 87% 29.71 in 10.0 mi South 5.8 mph - N/A   Overcast
6:56 PM 48.9 °F - 44.1 °F 83% 29.72 in 10.0 mi SE 5.8 mph - N/A   Overcast
7:56 PM 50.0 °F - 44.1 °F 80% 29.73 in 6.0 mi South 10.4 mph - 0.02 in Rain Light Rain
8:56 PM 48.9 °F - 43.0 °F 80% 29.73 in 10.0 mi SW 12.7 mph - 0.03 in Rain Light Rain
9:56 PM 48.9 °F - 43.0 °F 80% 29.76 in 9.0 mi West 23.0 mph 35.7 mph 0.01 in Rain Rain
10:56 PM 48.9 °F - 45.0 °F 86% 29.78 in 10.0 mi West 16.1 mph - 0.08 in   Scattered Clouds
11:56 PM 48.0 °F - 44.1 °F 86% 29.80 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy