Weather History for KPSF - January, 2013

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Monday, January 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 16 °F 20 °F  
Max Temperature 22 °F 29 °F - ()
Min Temperature 10 °F 11 °F - ()
Degree Days  
Heating Degree Days 49 45  
Month to date heating degree days 815 938  
Since 1 July heating degree days 3351 3776  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 71    
Maximum Humidity 92    
Minimum Humidity 49    
Precipitation  
Precipitation 0.01 in 0.07 in - ()
Month to date precipitation 0.61 2.07  
Year to date precipitation 0.61 2.07  
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 17 mph    
Max Gust Speed 26 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 21, 2013 Rise Set
Actual Time 7:16 AM EST 4:53 PM EST
Civil Twilight 6:45 AM EST 5:23 PM EST
Nautical Twilight 6:11 AM EST 5:58 PM EST
Astronomical Twilight 5:37 AM EST 6:31 PM EST
Moon 12:30 PM EST (1/21) 2:42 AM EST (1/21)
Length of Visible Light 10h 38m
Length of Day
9h 36m
Waxing Gibbous, 75% of the Moon is Illuminated
Jan 21
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

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 17.1 °F 5.0 °F 8.1 °F 68% 29.97 in 10.0 mi WNW 10.4 mph 26.5 mph N/A   Scattered Clouds
1:54 AM 16.0 °F 2.3 °F 8.1 °F 71% 29.99 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
2:04 AM 15.8 °F 3.4 °F 8.6 °F 73% 29.95 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
2:49 AM 15.8 °F 7.2 °F 8.6 °F 73% 29.95 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
2:54 AM 15.1 °F 6.4 °F 8.1 °F 74% 30.00 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
3:54 AM 14.0 °F 6.5 °F 6.1 °F 71% 30.00 in 10.0 mi NW 4.6 mph - N/A   Clear
4:54 AM 15.1 °F - 7.0 °F 70% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
5:54 AM 15.1 °F - 9.0 °F 77% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
6:54 AM 14.0 °F - 7.0 °F 74% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 AM 15.1 °F 9.4 °F 7.0 °F 70% 30.03 in 10.0 mi WSW 3.5 mph - N/A   Overcast
8:54 AM 16.0 °F - 8.1 °F 71% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
9:54 AM 18.0 °F 11.1 °F 7.0 °F 62% 30.04 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:54 AM 19.0 °F 11.1 °F 5.0 °F 54% 30.02 in 10.0 mi WSW 5.8 mph - N/A   Overcast
11:54 AM 19.9 °F 11.1 °F 3.9 °F 50% 29.98 in 10.0 mi SW 6.9 mph - N/A   Overcast
12:54 PM 19.9 °F 14.9 °F 3.9 °F 50% 29.95 in 10.0 mi SW 3.5 mph - N/A   Overcast
1:54 PM 21.0 °F 13.4 °F 6.1 °F 53% 29.93 in 10.0 mi Variable 5.8 mph - N/A   Overcast
2:54 PM 21.0 °F 16.2 °F 8.1 °F 57% 29.90 in 10.0 mi Variable 3.5 mph - N/A   Overcast
3:54 PM 21.0 °F 12.4 °F 10.0 °F 63% 29.89 in 8.0 mi SE 6.9 mph - N/A   Overcast
4:54 PM 19.9 °F 14.9 °F 12.0 °F 71% 29.87 in 8.0 mi ESE 3.5 mph - N/A   Overcast
5:07 PM 19.4 °F - 12.2 °F 74% 29.80 in 1.8 mi Calm Calm - 0.00 in Snow Light Snow
5:28 PM 19.4 °F - 15.8 °F 86% 29.80 in 1.2 mi Calm Calm - 0.00 in Snow Light Snow
5:44 PM 19.4 °F - 15.8 °F 86% 29.81 in 1.8 mi Calm Calm - 0.00 in Snow Light Snow
5:54 PM 19.9 °F - 16.0 °F 85% 29.88 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
6:17 PM 19.4 °F - 17.6 °F 93% 29.81 in 2.5 mi Calm Calm - 0.01 in Snow Light Snow
6:33 PM 19.4 °F - 17.6 °F 93% 29.81 in 3.0 mi Calm Calm - 0.01 in Snow Light Snow
6:54 PM 19.0 °F - 17.1 °F 92% 29.88 in 8.0 mi Calm Calm - 0.01 in   Overcast
7:22 PM 17.6 °F - 15.8 °F 93% 29.81 in 9.0 mi Calm Calm - N/A   Overcast
7:54 PM 18.0 °F - 16.0 °F 92% 29.87 in 10.0 mi Calm Calm - N/A   Overcast
8:15 PM 17.6 °F - 15.8 °F 93% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
8:45 PM 15.8 °F - 12.2 °F 86% 29.78 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:54 PM 16.0 °F - 14.0 °F 92% 29.86 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 15.1 °F - 12.9 °F 91% 29.81 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 12.0 °F - 10.0 °F 92% 29.79 in 10.0 mi Calm Calm - N/A   Clear
11:27 PM 12.2 °F 6.1 °F 12.2 °F 100% 29.71 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
11:36 PM 14.0 °F 8.2 °F 12.2 °F 93% 29.71 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
11:50 PM 15.8 °F - 12.2 °F 86% 29.70 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
11:54 PM 15.1 °F - 12.9 °F 91% 29.77 in 3.0 mi Calm Calm - 0.00 in Snow Light Snow