Weather History for KSFF - December, 2012

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 36 °F 30 °F  
Max Temperature 37 °F 35 °F - ()
Min Temperature 34 °F 24 °F - ()
Degree Days  
Heating Degree Days 29 35  
Month to date heating degree days 277 411  
Since 1 July heating degree days 1550 1985  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 509 406  
Moisture  
Dew Point 32 °F    
Average Humidity 86    
Maximum Humidity 89    
Minimum Humidity 82    
Precipitation  
Precipitation 0.23 in 0.08 in - ()
Month to date precipitation 0.76 1.01  
Year to date precipitation 19.52 16.23  
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 2 mph (WSW)    
Max Wind Speed 13 mph    
Max Gust Speed 14 mph    
Visibility 6 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:29 AM PST 3:57 PM PST
Civil Twilight 6:53 AM PST 4:33 PM PST
Nautical Twilight 6:13 AM PST 5:12 PM PST
Astronomical Twilight 5:36 AM PST 5:50 PM PST
Moon 6:37 AM PST (12/12) 3:40 PM PST (12/12)
Length of Visible Light 9h 40m
Length of Day
8h 28m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 36.0 °F - 32.0 °F 86% 29.60 in 9.0 mi Calm Calm - 0.03 in Rain Light Rain
1:53 AM 35.1 °F - 32.0 °F 89% 29.60 in 6.0 mi Calm Calm - 0.02 in Rain Light Rain
2:22 AM 35.6 °F - 32.0 °F 87% 29.57 in 5.0 mi Calm Calm - 0.01 in   Overcast
2:53 AM 35.1 °F - 32.0 °F 89% 29.60 in 7.0 mi Calm Calm - 0.02 in   Overcast
3:31 AM 35.6 °F - 32.0 °F 87% 29.57 in 4.0 mi Calm Calm - 0.01 in   Overcast
3:48 AM 35.6 °F - 32.0 °F 87% 29.58 in 5.0 mi Calm Calm - 0.01 in Rain Light Rain
3:53 AM 35.1 °F - 32.0 °F 89% 29.61 in 6.0 mi Calm Calm - 0.01 in Rain Light Rain
4:06 AM 35.6 °F - 32.0 °F 87% 29.58 in 6.0 mi Calm Calm - 0.01 in   Overcast
4:53 AM 35.1 °F - 32.0 °F 89% 29.62 in 7.0 mi Calm Calm - 0.03 in Snow Light Snow
5:15 AM 35.6 °F - 32.0 °F 87% 29.59 in 5.0 mi Calm Calm - 0.00 in   Overcast
5:32 AM 35.6 °F - 32.0 °F 87% 29.59 in 8.0 mi Calm Calm - 0.00 in   Overcast
5:53 AM 35.1 °F - 32.0 °F 89% 29.63 in 7.0 mi Calm Calm - 0.00 in   Overcast
6:53 AM 35.1 °F - 32.0 °F 89% 29.66 in 8.0 mi Calm Calm - 0.00 in   Overcast
7:53 AM 36.0 °F - 32.0 °F 86% 29.68 in 3.0 mi Calm Calm - 0.00 in Rain Light Rain
8:21 AM 35.6 °F - 33.8 °F 93% 29.66 in 3.0 mi Calm Calm - 0.01 in Rain Light Rain
8:53 AM 36.0 °F 33.3 °F 33.1 °F 89% 29.71 in 3.0 mi WSW 3.5 mph - 0.01 in   Overcast
9:53 AM 37.0 °F 34.5 °F 33.1 °F 86% 29.74 in 6.0 mi WSW 3.5 mph - N/A   Overcast
10:53 AM 37.0 °F 33.3 °F 33.1 °F 86% 29.75 in 5.0 mi WSW 4.6 mph - N/A   Overcast
11:00 AM 37.4 °F 34.9 °F 33.8 °F 87% 29.72 in 4.0 mi WSW 3.5 mph - N/A   Overcast
11:20 AM 37.4 °F 33.8 °F 33.8 °F 87% 29.73 in 2.0 mi West 4.6 mph - N/A   Overcast
11:53 AM 37.0 °F 32.4 °F 33.1 °F 86% 29.77 in 7.0 mi West 5.8 mph - 0.01 in   Overcast
12:00 PM 37.4 °F 32.8 °F 33.8 °F 87% 29.74 in 7.0 mi West 5.8 mph - N/A   Overcast
12:53 PM 37.0 °F 29.8 °F 32.0 °F 82% 29.78 in 6.0 mi SW 10.4 mph - N/A   Haze
1:37 PM 35.6 °F 30.7 °F 30.2 °F 81% 29.76 in 2.0 mi WSW 5.8 mph - 0.01 in Snow Light Snow
1:53 PM 34.0 °F 31.0 °F 30.9 °F 89% 29.81 in 2.0 mi WSW 3.5 mph - 0.02 in Snow Light Snow
2:53 PM 34.0 °F - 30.9 °F 89% 29.83 in 1.5 mi Calm Calm - 0.04 in Snow Light Snow
3:53 PM 34.0 °F - 30.9 °F 89% 29.86 in 1.5 mi Calm Calm - 0.01 in   Overcast
4:00 PM 35.6 °F - 32.0 °F 87% 29.82 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
4:53 PM 34.0 °F - 30.9 °F 89% 29.88 in 4.0 mi Calm Calm - 0.01 in Snow Light Snow
5:53 PM 35.1 °F - 30.9 °F 85% 29.90 in 4.0 mi Calm Calm - 0.01 in Snow Light Snow
6:53 PM 35.1 °F - 32.0 °F 89% 29.91 in 8.0 mi Calm Calm - 0.01 in   Overcast
7:53 PM 34.0 °F 31.0 °F 30.0 °F 85% 29.93 in 10.0 mi WSW 3.5 mph - N/A   Overcast
8:00 PM 35.6 °F - 30.2 °F 81% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 35.1 °F 31.0 °F 30.9 °F 85% 29.94 in 10.0 mi SSW 4.6 mph - N/A   Overcast
9:53 PM 35.1 °F 32.2 °F 30.9 °F 85% 29.97 in 10.0 mi WSW 3.5 mph - N/A   Overcast
10:53 PM 35.1 °F 31.0 °F 30.0 °F 82% 29.99 in 10.0 mi West 4.6 mph - N/A   Overcast
11:44 PM 33.8 °F - 30.2 °F 87% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 34.0 °F - 30.0 °F 85% 29.99 in 10.0 mi Calm Calm - N/A   Overcast