Weather History for KVSF - January, 2014

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Monday, January 20, 2014

  Actual Average Record
Temperature  
Mean Temperature 21 °F 19 °F  
Max Temperature 34 °F 29 °F 54 °F (2006)
Min Temperature 8 °F 9 °F -2 °F (2003)
Degree Days  
Heating Degree Days 44 46  
Month to date heating degree days 878 909  
Since 1 July heating degree days 3830 3772  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 16 °F    
Average Humidity 71    
Maximum Humidity 78    
Minimum Humidity 63    
Precipitation  
Precipitation T in 0.08 in 0.02 in (2012)
Month to date precipitation 2.28 2.07  
Year to date precipitation 2.28 2.07  
Sea Level Pressure  
Sea Level Pressure 29.61 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 16 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 20, 2014 Rise Set
Actual Time 7:16 AM EST 4:46 PM EST
Civil Twilight 6:45 AM EST 5:17 PM EST
Nautical Twilight 6:10 AM EST 5:52 PM EST
Astronomical Twilight 5:36 AM EST 6:26 PM EST
Moon 9:27 PM EST (1/20) 9:06 AM EST (1/20)
Length of Visible Light 10h 32m
Length of Day
9h 29m
Waning Gibbous, 83% of the Moon is Illuminated
Jan 20
Waning Gibbous
Jan 24
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 30.9 °F 25.2 °F 19.0 °F 61% 29.48 in 10.0 mi Variable 5.8 mph - N/A   Overcast
1:54 AM 30.9 °F 24.3 °F 19.9 °F 64% 29.51 in 10.0 mi SW 6.9 mph - N/A   Overcast
2:54 AM 30.9 °F 25.2 °F 21.0 °F 67% 29.50 in 10.0 mi SSW 5.8 mph - N/A   Overcast
3:05 AM 30.9 °F 25.2 °F 21.0 °F 67% 29.48 in 10.0 mi SW 5.8 mph - N/A   Overcast
3:52 AM 30.2 °F 26.7 °F 21.2 °F 69% 29.49 in 10.0 mi South 3.5 mph - N/A   Overcast
3:54 AM 30.0 °F 26.5 °F 21.9 °F 72% 29.52 in 10.0 mi South 3.5 mph - N/A   Overcast
4:54 AM 32.0 °F 25.6 °F 21.0 °F 64% 29.52 in 10.0 mi WSW 6.9 mph - N/A   Overcast
5:54 AM 30.9 °F 24.3 °F 23.0 °F 72% 29.52 in 10.0 mi SW 6.9 mph - N/A   Overcast
6:54 AM 30.0 °F 22.4 °F 24.1 °F 79% 29.52 in 10.0 mi South 8.1 mph - N/A   Overcast
7:54 AM 30.0 °F 21.7 °F 24.1 °F 79% 29.52 in 10.0 mi South 9.2 mph - N/A   Overcast
8:54 AM 30.9 °F 26.2 °F 23.0 °F 72% 29.53 in 7.0 mi Variable 4.6 mph - 0.00 in Snow Light Snow
9:54 AM 33.1 °F 27.7 °F 23.0 °F 66% 29.52 in 10.0 mi SSW 5.8 mph - 0.00 in   Overcast
10:54 AM 34.0 °F 26.6 °F 24.1 °F 67% 29.52 in 6.0 mi WSW 9.2 mph - 0.00 in Snow Light Snow
11:54 AM 34.0 °F 26.6 °F 23.0 °F 64% 29.51 in 10.0 mi WSW 9.2 mph - 0.00 in   Overcast
12:54 PM 33.1 °F 28.7 °F 24.1 °F 70% 29.49 in 10.0 mi SSW 4.6 mph - 0.00 in   Overcast
1:54 PM 34.0 °F 28.0 °F 24.1 °F 67% 29.49 in 10.0 mi WSW 6.9 mph - N/A   Overcast
2:54 PM 32.0 °F 27.5 °F 26.1 °F 79% 29.52 in 7.0 mi NW 4.6 mph - 0.00 in Snow Light Snow
3:54 PM 27.0 °F 16.1 °F 18.0 °F 69% 29.59 in 10.0 mi NW 12.7 mph 18.4 mph 0.00 in   Overcast
4:27 PM 21.9 °F 11.0 °F 12.9 °F 68% 29.62 in 3.0 mi NW 10.4 mph 23.0 mph 0.00 in Snow Light Snow
4:35 PM 21.0 °F - 14.0 °F 74% 29.62 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
4:43 PM 21.0 °F - 14.0 °F 74% 29.63 in 7.0 mi Calm Calm - 0.00 in Snow Light Snow
4:52 PM 21.2 °F 11.7 °F 12.2 °F 68% 29.64 in 10.0 mi WNW 8.1 mph - 0.00 in   Mostly Cloudy
4:54 PM 21.0 °F 12.4 °F 12.9 °F 71% 29.67 in 10.0 mi Variable 6.9 mph - 0.00 in   Mostly Cloudy
5:54 PM 19.9 °F 9.3 °F 10.0 °F 65% 29.72 in 10.0 mi West 9.2 mph 16.1 mph N/A   Overcast
6:54 PM 18.0 °F 9.8 °F 8.1 °F 65% 29.77 in 10.0 mi Variable 5.8 mph 19.6 mph N/A   Mostly Cloudy
7:54 PM 14.0 °F 2.0 °F 5.0 °F 67% 29.83 in 10.0 mi WNW 9.2 mph 17.3 mph N/A   Overcast
8:54 PM 12.9 °F 6.9 °F 3.0 °F 65% 29.87 in 10.0 mi West 3.5 mph - N/A   Overcast
9:54 PM 10.9 °F -0.8 °F -0.0 °F 61% 29.90 in 10.0 mi NW 8.1 mph - N/A   Clear
10:54 PM 10.0 °F -3.7 °F -0.9 °F 61% 29.93 in 10.0 mi NW 10.4 mph - N/A   Clear
11:54 PM 9.0 °F -5.1 °F -2.0 °F 61% 29.93 in 10.0 mi NW 10.4 mph - N/A   Clear