Weather History for KVSF - December, 2012

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Saturday, December 1, 2012

  Actual Average Record
Temperature  
Mean Temperature 24 °F 31 °F  
Max Temperature 27 °F 39 °F 62 °F (2001)
Min Temperature 20 °F 23 °F 12 °F (2007)
Degree Days  
Heating Degree Days 41 34  
Month to date heating degree days 41 34  
Since 1 July heating degree days 1378 1677  
Moisture  
Dew Point 20 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 45    
Precipitation  
Precipitation 0.05 in 0.12 in 1.55 in (2010)
Month to date precipitation 0.05 0.12  
Year to date precipitation 30.55 40.70  
Sea Level Pressure  
Sea Level Pressure 30.56 in    
Wind  
Wind Speed 0 mph (North)    
Max Wind Speed 5 mph    
Max Gust Speed 7 mph    
Visibility 4 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:03 AM EST 4:15 PM EST
Civil Twilight 6:31 AM EST 4:47 PM EST
Nautical Twilight 5:55 AM EST 5:22 PM EST
Astronomical Twilight 5:21 AM EST 5:57 PM EST
Moon 7:04 PM EST (12/1) 9:13 AM EST (12/1)
Length of Visible Light 10h 16m
Length of Day
9h 12m
Waning Gibbous, 92% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:54 AM 19.9 °F 7.0 °F 57% 30.61 in 8.0 mi Calm Calm - N/A   Overcast
4:54 AM 19.9 °F 10.0 °F 65% 30.61 in 10.0 mi Calm Calm - 0.00 in   Overcast
6:51 AM 19.4 °F 14.0 °F 80% 30.59 in 2.0 mi Calm Calm - 0.01 in Snow Light Snow
6:54 AM 19.9 °F 14.0 °F 78% 30.63 in 2.0 mi Calm Calm - 0.01 in Snow Light Snow
7:25 AM 19.4 °F 15.8 °F 86% 30.58 in 1.2 mi Calm Calm - 0.01 in Snow Light Snow
7:45 AM 19.4 °F 15.8 °F 86% 30.60 in 3.0 mi Calm Calm - 0.01 in Snow Light Snow
7:54 AM 19.9 °F 15.1 °F 81% 30.64 in 4.0 mi Calm Calm - 0.01 in Snow Light Snow
8:54 AM 21.0 °F 16.0 °F 81% 30.65 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
9:06 AM 21.2 °F 15.8 °F 80% 30.62 in 1.8 mi Calm Calm - 0.01 in Snow Light Snow
9:23 AM 21.2 °F 15.8 °F 80% 30.61 in 2.5 mi Calm Calm - 0.01 in Snow Light Snow
9:30 AM 21.2 °F 15.8 °F 80% 30.62 in 3.0 mi Calm Calm - 0.01 in Snow Light Snow
9:54 AM 21.9 °F 16.0 °F 78% 30.65 in 2.5 mi Calm Calm - 0.01 in Snow Light Snow
10:02 AM 21.2 °F 15.8 °F 80% 30.61 in 5.0 mi Calm Calm - 0.00 in Snow Light Snow
10:36 AM 23.0 °F 15.8 °F 74% 30.60 in 7.0 mi Calm Calm - 0.00 in Snow Light Snow
10:54 AM 23.0 °F 17.1 °F 78% 30.63 in 9.0 mi Calm Calm - 0.00 in   Overcast
12:31 PM 24.8 °F 17.6 °F 74% 30.56 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
12:54 PM 24.1 °F 19.0 °F 81% 30.58 in 3.0 mi Calm Calm - 0.00 in Snow Light Snow
1:11 PM 24.8 °F 19.4 °F 80% 30.54 in 1.8 mi Calm Calm - 0.01 in Snow Light Snow
1:54 PM 25.0 °F 19.9 °F 81% 30.57 in 1.5 mi Calm Calm - 0.01 in Snow Light Snow
2:06 PM 24.8 °F 19.4 °F 80% 30.54 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
2:13 PM 24.8 °F 19.4 °F 80% 30.54 in 4.0 mi Calm Calm - 0.00 in   Haze
2:54 PM 25.0 °F 19.9 °F 81% 30.57 in 10.0 mi Calm Calm - 0.00 in   Overcast
3:54 PM 25.0 °F 21.0 °F 85% 30.58 in 10.0 mi Calm Calm - 0.00 in   Overcast
4:44 PM 24.8 °F 21.2 °F 86% 30.55 in 10.0 mi Calm Calm - N/A   Overcast
4:54 PM 25.0 °F 21.0 °F 85% 30.58 in 10.0 mi Calm Calm - N/A   Overcast
5:41 PM 24.8 °F 21.2 °F 86% 30.54 in 5.0 mi Calm Calm - N/A   Overcast
6:54 PM 25.0 °F 23.0 °F 92% 30.57 in 3.0 mi Calm Calm - N/A   Overcast
7:11 PM 24.8 °F 23.0 °F 93% 30.54 in 2.0 mi Calm Calm - N/A   Overcast
7:20 PM 26.6 °F 24.8 °F 93% 30.54 in 2.0 mi Calm Calm - N/A   Overcast
7:30 PM 26.6 °F 24.8 °F 93% 30.54 in 1.8 mi Calm Calm - N/A   Overcast
7:54 PM 26.1 °F 24.1 °F 92% 30.57 in 1.5 mi Calm Calm - N/A   Overcast
8:24 PM 26.6 °F 24.8 °F 93% 30.53 in 1.8 mi Calm Calm - N/A   Overcast
8:32 PM 26.6 °F 24.8 °F 93% 30.53 in 1.8 mi Calm Calm - N/A   Overcast
8:41 PM 26.6 °F 24.8 °F 93% 30.52 in 2.0 mi Calm Calm - N/A   Overcast
8:54 PM 26.1 °F 25.0 °F 96% 30.55 in 2.5 mi Calm Calm - N/A   Overcast
9:20 PM 26.6 °F 24.8 °F 93% 30.51 in 2.0 mi Calm Calm - N/A   Overcast
9:34 PM 26.6 °F 24.8 °F 93% 30.50 in 1.8 mi Calm Calm - N/A   Overcast
9:44 PM 26.6 °F 24.8 °F 93% 30.50 in 2.0 mi Calm Calm - N/A   Overcast
9:54 PM 26.1 °F 24.1 °F 92% 30.53 in 2.5 mi Calm Calm - N/A   Overcast
10:09 PM 26.6 °F 24.8 °F 93% 30.50 in 1.8 mi Calm Calm - N/A   Overcast
10:16 PM 26.6 °F 24.8 °F 93% 30.49 in 3.0 mi Calm Calm - N/A   Overcast
10:21 PM 26.6 °F 24.8 °F 93% 30.49 in 2.5 mi Calm Calm - N/A   Overcast
10:31 PM 26.6 °F 24.8 °F 93% 30.49 in 3.0 mi Calm Calm - N/A   Overcast
10:54 PM 26.1 °F 25.0 °F 96% 30.53 in 4.0 mi Calm Calm - N/A   Overcast
11:12 PM 26.6 °F 24.8 °F 93% 30.49 in 2.5 mi Calm Calm - N/A   Overcast
11:37 PM 26.6 °F 24.8 °F 93% 30.48 in 2.0 mi Calm Calm - N/A   Overcast
11:49 PM 26.6 °F 24.8 °F 93% 30.48 in 1.8 mi Calm Calm - N/A   Overcast
11:54 PM 27.0 °F 26.1 °F 96% 30.51 in 1.8 mi Calm Calm - N/A   Overcast