Weather History for KVSF - July, 2013

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Saturday, July 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 69 °F  
Max Temperature 85 °F 81 °F 90 °F (2011)
Min Temperature 64 °F 57 °F 48 °F (1997)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 9  
Since 1 June heating degree days 105  
Since 1 July heating degree days 9  
Cooling Degree Days 10 5  
Month to date cooling degree days 221 93  
Year to date cooling degree days 334 169  
Since 1 June cooling degree days 310 157  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 51    
Precipitation  
Precipitation 0.05 in 0.15 in 0.40 in (2008)
Month to date precipitation 3.16 2.84  
Year to date precipitation 21.27 23.00  
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 25 mph    
Visibility 6 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 20, 2013 Rise Set
Actual Time 5:28 AM EDT 8:24 PM EDT
Civil Twilight 4:54 AM EDT 8:57 PM EDT
Nautical Twilight 4:11 AM EDT 9:40 PM EDT
Astronomical Twilight 3:20 AM EDT 10:31 PM EDT
Moon 6:24 PM EDT (7/20) 3:05 AM EDT (7/20)
Length of Visible Light 16h 03m
Length of Day
14h 56m
Waxing Gibbous, 93% of the Moon is Illuminated
Jul 20
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 71.1 °F - 69.1 °F 93% 29.74 in 10.0 mi Calm Calm - 0.00 in   Clear
1:54 AM 70.0 °F - 66.9 °F 90% 29.74 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 68.0 °F - 66.9 °F 96% 29.73 in 8.0 mi Calm Calm - N/A   Clear
3:54 AM 66.9 °F - 66.0 °F 97% 29.73 in 7.0 mi Calm Calm - N/A   Clear
4:54 AM 66.0 °F - 66.0 °F 100% 29.71 in 6.0 mi Calm Calm - N/A   Clear
5:54 AM 66.9 °F - 66.0 °F 97% 29.72 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 69.1 °F - 66.9 °F 93% 29.74 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 72.0 °F - 68.0 °F 87% 29.75 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 78.1 °F - 69.1 °F 74% 29.73 in 10.0 mi ENE 5.8 mph - N/A   Clear
9:54 AM 81.0 °F 83.0 °F 66.0 °F 60% 29.72 in 10.0 mi SSW 5.8 mph - N/A   Clear
10:54 AM 82.9 °F 85.0 °F 66.0 °F 56% 29.72 in 10.0 mi WSW 11.5 mph 17.3 mph N/A   Scattered Clouds
11:54 AM 82.0 °F 83.4 °F 64.0 °F 54% 29.70 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
12:54 PM 80.1 °F 82.1 °F 66.0 °F 62% 29.71 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
1:54 PM 82.9 °F 84.6 °F 64.9 °F 54% 29.68 in 10.0 mi SW 9.2 mph - N/A   Clear
2:54 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.69 in 10.0 mi WSW 11.5 mph 20.7 mph N/A   Partly Cloudy
3:54 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.68 in 10.0 mi WSW 11.5 mph 18.4 mph N/A   Clear
4:35 PM 73.4 °F - 68.0 °F 83% 29.72 in 1.8 mi West 6.9 mph 25.3 mph 0.05 in Rain Heavy Rain
4:42 PM 73.4 °F - 69.8 °F 88% 29.72 in 4.0 mi SW 3.5 mph - 0.05 in Rain Light Rain
4:54 PM 73.9 °F - 70.0 °F 87% 29.72 in 10.0 mi Calm Calm - 0.05 in Rain Light Rain
5:54 PM 75.9 °F - 68.0 °F 76% 29.73 in 10.0 mi SW 3.5 mph - 0.00 in   Partly Cloudy
6:54 PM 75.9 °F - 64.0 °F 67% 29.74 in 10.0 mi SW 4.6 mph - N/A   Overcast
7:54 PM 73.0 °F - 70.0 °F 90% 29.75 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 69.1 °F - 66.9 °F 93% 29.78 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:14 PM 68.0 °F - 66.2 °F 94% 29.79 in 2.0 mi Calm Calm - N/A   Clear
9:26 PM 66.2 °F - 64.4 °F 94% 29.80 in 5.0 mi Calm Calm - N/A   Clear
9:36 PM 68.0 °F - 64.4 °F 88% 29.80 in 1.8 mi Calm Calm - N/A   Clear
9:54 PM 68.0 °F - 64.9 °F 90% 29.80 in 0.8 mi Calm Calm - N/A   Clear
10:19 PM 66.2 °F - 64.4 °F 94% 29.81 in 1.2 mi Calm Calm - N/A   Clear
10:37 PM 66.2 °F - 64.4 °F 94% 29.82 in 0.8 mi Calm Calm - N/A   Clear
10:54 PM 66.0 °F - 64.9 °F 96% 29.82 in 1.2 mi Calm Calm - N/A   Clear
10:58 PM 66.2 °F - 64.4 °F 94% 29.82 in 3.0 mi Calm Calm - N/A   Clear
11:16 PM 66.2 °F - 64.4 °F 94% 29.83 in 1.5 mi Calm Calm - N/A   Clear
11:24 PM 66.2 °F - 64.4 °F 94% 29.83 in 0.5 mi Calm Calm - N/A Fog Fog
11:30 PM 64.4 °F - 64.4 °F 100% 29.83 in 2.5 mi Calm Calm - N/A   Clear
11:37 PM 66.2 °F - 64.4 °F 94% 29.83 in 3.0 mi Calm Calm - N/A   Clear
11:39 PM 66.2 °F - 64.4 °F 94% 29.84 in 1.8 mi Calm Calm - N/A   Clear
11:54 PM 64.9 °F - 64.0 °F 97% 29.84 in 1.0 mi Calm Calm - N/A   Clear