Weather History for KPSF - September, 2013

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Tuesday, September 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 58 °F  
Max Temperature 62 °F 69 °F - ()
Min Temperature 35 °F 47 °F - ()
Degree Days  
Heating Degree Days 16 7  
Month to date heating degree days 115 84  
Since 1 July heating degree days 171 162  
Cooling Degree Days 0 0  
Month to date cooling degree days 33 16  
Year to date cooling degree days 433 286  
Moisture  
Dew Point 38 °F    
Average Humidity 68    
Maximum Humidity 96    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.14 in - ()
Month to date precipitation 2.51 2.04  
Year to date precipitation 30.61 31.82  
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 3 mph (NNW)    
Max Wind Speed 13 mph    
Max Gust Speed 17 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 17, 2013 Rise Set
Actual Time 6:35 AM EDT 6:58 PM EDT
Civil Twilight 6:07 AM EDT 7:27 PM EDT
Nautical Twilight 5:34 AM EDT 8:00 PM EDT
Astronomical Twilight 4:59 AM EDT 8:34 PM EDT
Moon 5:45 PM EDT (9/17) 4:25 AM EDT (9/17)
Length of Visible Light 13h 19m
Length of Day
12h 23m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

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 39.0 °F 36.8 °F 35.1 °F 86% 30.28 in 10.0 mi SE 3.5 mph - N/A   Clear
1:54 AM 37.0 °F - 34.0 °F 89% 30.30 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 36.0 °F - 34.0 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 35.1 °F 32.2 °F 34.0 °F 96% 30.31 in 10.0 mi SE 3.5 mph - N/A   Clear
4:54 AM 36.0 °F - 34.0 °F 93% 30.32 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 37.0 °F - 33.1 °F 86% 30.34 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 36.0 °F - 33.1 °F 89% 30.38 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 41.0 °F - 37.0 °F 86% 30.39 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 46.9 °F - 36.0 °F 66% 30.40 in 10.0 mi NNE 4.6 mph - N/A   Clear
9:54 AM 48.9 °F - 35.1 °F 59% 30.42 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:54 AM 53.1 °F - 35.1 °F 50% 30.41 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:54 AM 55.0 °F - 34.0 °F 45% 30.41 in 10.0 mi Variable 4.6 mph 16.1 mph N/A   Clear
12:54 PM 57.9 °F - 35.1 °F 42% 30.39 in 10.0 mi NE 9.2 mph 17.3 mph N/A   Clear
1:54 PM 60.1 °F - 35.1 °F 39% 30.37 in 10.0 mi NE 5.8 mph - N/A   Clear
2:54 PM 61.0 °F - 37.0 °F 41% 30.35 in 10.0 mi NNW 4.6 mph - N/A   Clear
3:54 PM 61.0 °F - 41.0 °F 48% 30.34 in 10.0 mi NW 4.6 mph - N/A   Clear
4:54 PM 60.1 °F - 43.0 °F 53% 30.33 in 10.0 mi WNW 8.1 mph - N/A   Clear
5:54 PM 57.0 °F - 43.0 °F 59% 30.33 in 10.0 mi WNW 8.1 mph - N/A   Clear
6:54 PM 53.1 °F - 42.1 °F 66% 30.33 in 10.0 mi WSW 4.6 mph - N/A   Clear
7:54 PM 51.1 °F - 42.1 °F 71% 30.34 in 10.0 mi SW 4.6 mph - N/A   Clear
8:54 PM 48.0 °F - 42.1 °F 80% 30.34 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 45.0 °F - 42.1 °F 90% 30.34 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 43.0 °F - 41.0 °F 93% 30.33 in 10.0 mi Calm Calm - N/A   Clear
11:40 PM 42.8 °F - 39.2 °F 87% 30.34 in 2.5 mi Calm Calm - N/A   Clear
11:47 PM 42.8 °F - 39.2 °F 87% 30.34 in 6.0 mi Calm Calm - N/A   Clear
11:54 PM 42.1 °F - 39.9 °F 92% 30.32 in 5.0 mi Calm Calm - N/A   Clear