Weather History for KPSF - May, 2013

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Sunday, May 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 54 °F  
Max Temperature 58 °F 65 °F 88 °F (1936)
Min Temperature 39 °F 42 °F 31 °F (1963)
Degree Days  
Heating Degree Days 16 12  
Month to date heating degree days 105 159  
Since 1 July heating degree days 6741 7194  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 2  
Moisture  
Dew Point 38 °F    
Average Humidity 58    
Maximum Humidity 83    
Minimum Humidity 32    
Precipitation  
Precipitation 0.02 in 0.13 in 1.07 in (2006)
Month to date precipitation 1.76 1.34  
Year to date precipitation 9.65 14.17  
Sea Level Pressure  
Sea Level Pressure 29.67 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 12, 2013 Rise Set
Actual Time 5:34 AM EDT 8:05 PM EDT
Civil Twilight 5:02 AM EDT 8:37 PM EDT
Nautical Twilight 4:22 AM EDT 9:17 PM EDT
Astronomical Twilight 3:38 AM EDT 10:02 PM EDT
Moon 7:26 AM EDT (5/12) 10:30 PM EDT (5/12)
Length of Visible Light 15h 34m
Length of Day
14h 30m
Waxing Crescent, 6% of the Moon is Illuminated
May 12
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 53.1 °F - 48.9 °F 86% 29.64 in 10.0 mi WNW 3.5 mph - N/A   Overcast
1:54 AM 53.1 °F - 48.0 °F 83% 29.64 in 10.0 mi West 5.8 mph - N/A   Overcast
2:54 AM 52.0 °F - 46.9 °F 83% 29.64 in 10.0 mi West 3.5 mph - N/A   Overcast
3:54 AM 51.1 °F - 46.9 °F 86% 29.63 in 10.0 mi West 6.9 mph - N/A   Overcast
4:54 AM 51.1 °F - 45.0 °F 80% 29.64 in 10.0 mi WNW 6.9 mph - N/A   Overcast
5:54 AM 50.0 °F - 45.0 °F 83% 29.64 in 10.0 mi WNW 5.8 mph - N/A   Overcast
6:54 AM 50.0 °F - 44.1 °F 80% 29.65 in 10.0 mi Calm Calm - N/A   Overcast
7:54 AM 51.1 °F - 44.1 °F 77% 29.64 in 10.0 mi Calm Calm - N/A   Overcast
8:54 AM 55.0 °F - 44.1 °F 67% 29.63 in 10.0 mi Variable 5.8 mph - N/A   Overcast
9:54 AM 55.0 °F - 42.1 °F 62% 29.62 in 10.0 mi West 8.1 mph 17.3 mph N/A   Overcast
10:54 AM 55.9 °F - 43.0 °F 62% 29.61 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
11:54 AM 55.0 °F - 43.0 °F 64% 29.61 in 10.0 mi West 9.2 mph - N/A   Overcast
12:24 PM 48.2 °F - 42.8 °F 82% 29.67 in 9.0 mi WNW 15.0 mph 26.5 mph N/A   Overcast
12:54 PM 48.0 °F - 39.9 °F 74% 29.67 in 10.0 mi WNW 10.4 mph 18.4 mph N/A   Overcast
1:54 PM 45.0 °F 41.2 °F 39.0 °F 80% 29.69 in 10.0 mi WNW 6.9 mph - 0.00 in Rain Light Rain
2:54 PM 48.9 °F - 41.0 °F 74% 29.67 in 10.0 mi North 3.5 mph - 0.01 in   Mostly Cloudy
3:54 PM 54.0 °F - 39.0 °F 57% 29.65 in 10.0 mi WNW 12.7 mph 17.3 mph N/A   Clear
4:54 PM 54.0 °F - 32.0 °F 43% 29.65 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Scattered Clouds
5:54 PM 53.1 °F - 28.0 °F 38% 29.67 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Mostly Cloudy
6:54 PM 53.1 °F - 24.1 °F 32% 29.69 in 10.0 mi WNW 16.1 mph 27.6 mph 0.01 in   Mostly Cloudy
7:54 PM 50.0 °F - 26.1 °F 39% 29.73 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
8:54 PM 46.9 °F - 25.0 °F 42% 29.75 in 10.0 mi West 19.6 mph 26.5 mph N/A   Mostly Cloudy
9:54 PM 44.1 °F 38.1 °F 27.0 °F 51% 29.79 in 10.0 mi West 11.5 mph - N/A   Clear
10:54 PM 42.1 °F 37.7 °F 28.0 °F 58% 29.81 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
11:54 PM 43.0 °F 35.7 °F 27.0 °F 53% 29.82 in 10.0 mi West 15.0 mph - N/A   Clear