Weather History for San Francisco, CA

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Saturday, November 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F 55 °F  
Max Temperature 64 °F 62 °F 73 °F (1989)
Min Temperature 54 °F 48 °F 36 °F (1964)
Degree Days  
Heating Degree Days 6 10  
Month to date heating degree days 115 133  
Since 1 July heating degree days 506 420  
Cooling Degree Days 0 0  
Month to date cooling degree days 6 0  
Year to date cooling degree days 86 163  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 77    
Maximum Humidity 87    
Minimum Humidity 67    
Precipitation  
Precipitation 0.53 in 0.08 in 0.91 in (1996)
Month to date precipitation 1.22 1.18  
Year to date precipitation 12.38 15.42  
Since 1 July precipitation 1.92 2.34  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 11 mph (South)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 17, 2012 Rise Set
Actual Time 6:52 AM PST 4:56 PM PST
Civil Twilight 6:23 AM PST 5:24 PM PST
Nautical Twilight 5:52 AM PST 5:56 PM PST
Astronomical Twilight 5:21 AM PST 6:27 PM PST
Moon 10:40 AM PST (11/17) 9:12 PM PST (11/17)
Length of Visible Light 11h 00m
Length of Day
10h 04m
Waxing Crescent, 21% of the Moon is Illuminated
Nov 17
Waxing Crescent
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
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 59.0 °F 55.0 °F 87% 29.85 in 10.0 mi SE 4.6 mph - 0.01 in   Overcast
1:32 AM 59.0 °F 55.4 °F 88% 29.85 in 7.0 mi SE 3.5 mph - 0.05 in Rain Light Rain
1:44 AM 59.0 °F 55.4 °F 88% 29.85 in 10.0 mi SE 4.6 mph - 0.05 in Rain Light Rain
1:52 AM 59.0 °F 55.4 °F 88% 29.84 in 10.0 mi SE 3.5 mph - 0.05 in   Overcast
1:56 AM 59.0 °F 55.0 °F 87% 29.84 in 10.0 mi SE 4.6 mph - 0.05 in   Overcast
2:56 AM 59.0 °F 55.9 °F 90% 29.83 in 10.0 mi ESE 12.7 mph - 0.00 in   Overcast
3:46 AM 59.0 °F 55.4 °F 88% 29.81 in 10.0 mi SE 12.7 mph - 0.00 in Rain Light Rain
3:56 AM 59.0 °F 55.0 °F 87% 29.81 in 10.0 mi SE 15.0 mph - 0.00 in   Overcast
4:56 AM 59.0 °F 55.0 °F 87% 29.81 in 3.0 mi SE 12.7 mph - 0.03 in Rain Light Rain
5:21 AM 59.0 °F 55.4 °F 88% 29.81 in 10.0 mi SE 12.7 mph - 0.00 in   Overcast
5:56 AM 59.0 °F 55.9 °F 90% 29.83 in 5.0 mi SE 10.4 mph - 0.00 in Rain Light Rain
6:53 AM 59.0 °F 55.4 °F 88% 29.84 in 3.0 mi ESE 10.4 mph - 0.03 in Rain Light Rain
6:56 AM 59.0 °F 55.9 °F 90% 29.84 in 3.0 mi ESE 9.2 mph - 0.03 in Rain Light Rain
7:56 AM 60.1 °F 57.0 °F 90% 29.87 in 4.0 mi ESE 8.1 mph - 0.02 in   Overcast
8:56 AM 60.8 °F 57.2 °F 88% 29.89 in 3.0 mi WSW 6.9 mph - N/A Rain Light Rain
9:56 AM 59.0 °F 55.0 °F 87% 29.92 in 3.0 mi WSW 13.8 mph - 0.01 in Rain Light Rain
10:56 AM 61.0 °F 55.0 °F 81% 29.93 in 10.0 mi WSW 12.7 mph - 0.00 in   Overcast
11:36 AM 60.8 °F 55.4 °F 82% 29.93 in 8.0 mi WSW 9.2 mph - 0.00 in Rain Light Rain
11:56 AM 61.0 °F 55.9 °F 83% 29.93 in 8.0 mi WSW 9.2 mph - 0.00 in Rain Light Rain
12:56 PM 62.1 °F 54.0 °F 75% 29.93 in 10.0 mi WSW 15.0 mph - 0.00 in   Scattered Clouds
1:56 PM 63.0 °F 52.0 °F 67% 29.93 in 10.0 mi SW 12.7 mph - N/A   Scattered Clouds
2:56 PM 62.1 °F 51.1 °F 67% 29.94 in 10.0 mi SW 15.0 mph - N/A   Scattered Clouds
3:23 PM 60.8 °F 51.8 °F 72% 29.94 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
3:56 PM 59.0 °F 53.1 °F 81% 29.94 in 10.0 mi South 11.5 mph - 0.00 in   Mostly Cloudy
4:34 PM 60.8 °F 53.6 °F 77% 29.93 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
4:56 PM 60.1 °F 53.1 °F 78% 29.93 in 10.0 mi South 13.8 mph - N/A   Mostly Cloudy
5:56 PM 60.1 °F 52.0 °F 75% 29.93 in 10.0 mi South 13.8 mph - N/A   Mostly Cloudy
6:39 PM 60.8 °F 53.6 °F 77% 29.93 in 10.0 mi South 13.8 mph - 0.00 in   Mostly Cloudy
6:56 PM 61.0 °F 53.1 °F 75% 29.94 in 10.0 mi South 16.1 mph - 0.00 in   Mostly Cloudy
7:56 PM 59.0 °F 54.0 °F 83% 29.94 in 7.0 mi South 12.7 mph - 0.10 in Rain Light Rain
8:56 PM 60.1 °F 55.0 °F 83% 29.96 in 7.0 mi South 11.5 mph 19.6 mph 0.08 in Rain Light Rain
9:27 PM 55.4 °F 51.8 °F 88% 29.97 in 2.5 mi West 16.1 mph - 0.09 in Rain Heavy Rain
9:40 PM 55.4 °F 51.8 °F 88% 29.98 in 4.0 mi West 10.4 mph - 0.12 in Rain Rain
9:56 PM 55.9 °F 51.1 °F 84% 29.98 in 6.0 mi West 8.1 mph - 0.13 in Rain Rain
10:46 PM 55.4 °F 51.8 °F 88% 29.99 in 6.0 mi West 10.4 mph - 0.05 in Rain Light Rain
10:56 PM 55.0 °F 50.0 °F 83% 29.99 in 10.0 mi West 10.4 mph - 0.05 in   Overcast
11:42 PM 55.4 °F 50.0 °F 82% 30.01 in 9.0 mi West 10.4 mph - 0.00 in Rain Light Rain
11:56 PM 55.9 °F 50.0 °F 80% 30.02 in 10.0 mi WSW 11.5 mph - 0.00 in   Overcast