Weather History for KVSF - May, 2012

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Monday, May 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F 53 °F  
Max Temperature 73 °F 65 °F 88 °F (2000)
Min Temperature 34 °F 40 °F 28 °F (2001)
Degree Days  
Heating Degree Days 12 13  
Month to date heating degree days 94  
Since 1 July heating degree days 7200  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 8 2  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 34 °F    
Average Humidity 54    
Maximum Humidity 89    
Minimum Humidity 19    
Precipitation  
Precipitation T in 0.09 in 0.27 in (1998)
Month to date precipitation 0.88 0.70  
Year to date precipitation 8.86 13.23  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 10 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 07, 2012 Rise Set
Actual Time 5:34 AM EDT 7:59 PM EDT
Civil Twilight 5:02 AM EDT 8:31 PM EDT
Nautical Twilight 4:22 AM EDT 9:11 PM EDT
Astronomical Twilight 3:38 AM EDT 9:56 PM EDT
Moon 10:10 PM EDT (5/7) 6:34 AM EDT (5/7)
Length of Visible Light 15h 28m
Length of Day
14h 24m
Waning Gibbous, 97% of the Moon is Illuminated
May 7
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

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 43.0 °F - 37.0 °F 80% 30.12 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 42.1 °F - 35.1 °F 76% 30.11 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 39.0 °F - 34.0 °F 82% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 37.9 °F 35.5 °F 34.0 °F 86% 30.12 in 10.0 mi NNW 3.5 mph - N/A   Clear
4:54 AM 36.0 °F - 32.0 °F 86% 30.14 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 35.1 °F - 32.0 °F 89% 30.16 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 37.9 °F - 34.0 °F 86% 30.17 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 45.0 °F - 35.1 °F 68% 30.16 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 51.1 °F - 32.0 °F 48% 30.16 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 57.9 °F - 36.0 °F 44% 30.15 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 63.0 °F - 37.0 °F 38% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 66.0 °F - 27.0 °F 23% 30.13 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:54 PM 68.0 °F - 30.0 °F 24% 30.11 in 10.0 mi Calm Calm - N/A   Clear
2:54 PM 71.1 °F - 27.0 °F 19% 30.07 in 10.0 mi Calm Calm - N/A   Clear
3:54 PM 72.0 °F - 28.9 °F 20% 30.04 in 10.0 mi East 4.6 mph - N/A   Clear
4:54 PM 72.0 °F - 27.0 °F 19% 30.02 in 10.0 mi SE 5.8 mph - N/A   Clear
7:54 PM 64.0 °F - 37.9 °F 38% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
8:54 PM 61.0 °F - 39.9 °F 46% 30.02 in 10.0 mi ESE 9.2 mph - N/A   Overcast
10:54 PM 62.1 °F - 43.0 °F 50% 30.02 in 10.0 mi SSE 6.9 mph - N/A   Overcast
11:54 PM 61.0 °F - 45.0 °F 56% 30.03 in 10.0 mi SSE 5.8 mph - N/A   Overcast