Weather History for KVSF - August, 2013

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Tuesday, August 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 66 °F  
Max Temperature 85 °F 78 °F 86 °F (2014)
Min Temperature 64 °F 54 °F 42 °F (2008)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 30  
Since 1 June heating degree days 143  
Since 1 July heating degree days 47  
Cooling Degree Days 10 3  
Month to date cooling degree days 60 97  
Year to date cooling degree days 426 312  
Since 1 June cooling degree days 402 300  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 78    
Maximum Humidity 100    
Minimum Humidity 55    
Precipitation  
Precipitation 0.01 in 0.12 in 0.96 in (2011)
Month to date precipitation 1.69 3.37  
Year to date precipitation 24.90 27.96  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 1 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 27, 2013 Rise Set
Actual Time 6:08 AM EDT 7:33 PM EDT
Civil Twilight 5:39 AM EDT 8:03 PM EDT
Nautical Twilight 5:03 AM EDT 8:38 PM EDT
Astronomical Twilight 4:24 AM EDT 9:16 PM EDT
Moon 11:11 PM EDT (8/27) 1:17 PM EDT (8/27)
Length of Visible Light 14h 24m
Length of Day
13h 24m
Waning Gibbous, 57% of the Moon is Illuminated
Aug 27
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:02 AM 66.2 °F - 66.2 °F 100% 29.90 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
5:50 AM 64.4 °F - 64.4 °F 100% 29.89 in 0.5 mi Calm Calm - N/A Fog Fog
5:54 AM 64.0 °F - 64.0 °F 100% 29.89 in 0.8 mi Calm Calm - N/A   Overcast
6:07 AM 64.4 °F - 64.4 °F 100% 29.90 in 1.0 mi Calm Calm - N/A   Overcast
6:30 AM 64.4 °F - 64.4 °F 100% 29.90 in 2.0 mi Calm Calm - N/A   Overcast
6:45 AM 64.4 °F - 64.4 °F 100% 29.90 in 3.0 mi Calm Calm - N/A   Overcast
6:54 AM 64.9 °F - 64.9 °F 100% 29.90 in 3.0 mi Calm Calm - N/A   Overcast
7:33 AM 66.2 °F - 64.4 °F 94% 29.91 in 3.0 mi Calm Calm - N/A   Overcast
7:54 AM 66.9 °F - 64.9 °F 93% 29.91 in 4.0 mi Calm Calm - N/A   Overcast
8:54 AM 70.0 °F - 66.9 °F 90% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
9:10 AM 73.4 °F - 66.2 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 AM 75.9 °F - 66.9 °F 74% 29.91 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 75.9 °F - 66.0 °F 71% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
11:54 AM 78.1 °F - 64.9 °F 64% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
12:02 PM 78.8 °F - 64.4 °F 61% 29.91 in 10.0 mi North 3.5 mph - N/A   Overcast
12:27 PM 78.8 °F - 64.4 °F 61% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:54 PM 82.0 °F 83.4 °F 64.0 °F 54% 29.90 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 82.9 °F 84.4 °F 64.0 °F 53% 29.88 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
2:54 PM 82.0 °F 83.8 °F 64.9 °F 56% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:54 PM 75.0 °F - 69.1 °F 82% 29.86 in 10.0 mi West 4.6 mph - 0.01 in   Mostly Cloudy
4:54 PM 82.0 °F 84.1 °F 66.0 °F 58% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:54 PM 82.0 °F 84.5 °F 66.9 °F 60% 29.86 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
6:54 PM 75.9 °F - 66.9 °F 74% 29.87 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
7:54 PM 73.0 °F - 66.9 °F 81% 29.88 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 71.1 °F - 66.9 °F 87% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 PM 69.1 °F - 66.9 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 66.9 °F - 66.0 °F 97% 29.92 in 8.0 mi Calm Calm - N/A   Clear
11:54 PM 66.0 °F - 64.9 °F 96% 29.92 in 6.0 mi Calm Calm - N/A   Clear