Weather History for KVSF - October, 2012

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Wednesday, October 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 42 °F  
Max Temperature 55 °F 53 °F 66 °F (1999)
Min Temperature 44 °F 32 °F 19 °F (2001)
Degree Days  
Heating Degree Days 15 23  
Month to date heating degree days 392 558  
Since 1 July heating degree days 578 809  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 1  
Year to date cooling degree days 640 345  
Moisture  
Dew Point 46 °F    
Average Humidity 75    
Maximum Humidity 96    
Minimum Humidity 54    
Precipitation  
Precipitation 0.02 in 0.09 in 0.29 in (2013)
Month to date precipitation 4.16 4.42  
Year to date precipitation 30.15 36.55  
Sea Level Pressure  
Sea Level Pressure 29.49 in    
Wind  
Wind Speed 3 mph (South)    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 7 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 31, 2012 Rise Set
Actual Time 7:24 AM EDT 5:42 PM EDT
Civil Twilight 6:54 AM EDT 6:11 PM EDT
Nautical Twilight 6:21 AM EDT 6:45 PM EDT
Astronomical Twilight 5:47 AM EDT 7:18 PM EDT
Moon 6:48 PM EDT (10/31) 9:06 AM EDT (10/31)
Length of Visible Light 11h 16m
Length of Day
10h 17m
Full, 97% of the Moon is Illuminated
Oct 31
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter
Nov 28
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 55.0 °F 51.1 °F 86% 29.53 in 10.0 mi Calm Calm - 0.01 in   Overcast
1:54 AM 53.1 °F 51.1 °F 93% 29.51 in 3.0 mi Calm Calm - N/A   Overcast
2:01 AM 53.6 °F 51.8 °F 94% 29.51 in 2.0 mi NE 3.5 mph - N/A   Overcast
2:06 AM 53.6 °F 51.8 °F 94% 29.51 in 1.8 mi Calm Calm - N/A   Overcast
2:26 AM 51.8 °F 50.0 °F 94% 29.50 in 0.5 mi Calm Calm - N/A Fog Fog
2:33 AM 51.8 °F 51.8 °F 100% 29.50 in 0.5 mi Calm Calm - N/A Fog Fog
2:52 AM 51.8 °F 50.0 °F 94% 29.50 in 0.2 mi Calm Calm - N/A Fog Fog
2:54 AM 52.0 °F 50.0 °F 93% 29.50 in 0.2 mi Calm Calm - N/A Fog Fog
3:14 AM 51.8 °F 50.0 °F 94% 29.49 in 0.5 mi Calm Calm - N/A Fog Fog
3:50 AM 51.8 °F 48.2 °F 88% 29.48 in 0.2 mi Calm Calm - N/A Fog Fog
3:54 AM 51.1 °F 48.9 °F 92% 29.48 in 0.2 mi Calm Calm - N/A Fog Fog
4:10 AM 51.8 °F 50.0 °F 94% 29.47 in 0.5 mi Calm Calm - N/A Fog Fog
4:40 AM 51.8 °F 50.0 °F 94% 29.48 in 1.0 mi Calm Calm - N/A   Overcast
4:46 AM 51.8 °F 50.0 °F 94% 29.48 in 3.0 mi Calm Calm - N/A   Overcast
4:54 AM 52.0 °F 48.9 °F 89% 29.47 in 9.0 mi Calm Calm - N/A   Overcast
5:34 AM 51.8 °F 50.0 °F 94% 29.47 in 10.0 mi Calm Calm - N/A   Overcast
5:54 AM 52.0 °F 50.0 °F 93% 29.47 in 10.0 mi Calm Calm - N/A   Overcast
6:02 AM 51.8 °F 50.0 °F 94% 29.46 in 10.0 mi Calm Calm - N/A   Overcast
6:38 AM 51.8 °F 50.0 °F 94% 29.45 in 10.0 mi Calm Calm - N/A   Overcast
6:54 AM 52.0 °F 50.0 °F 93% 29.45 in 7.0 mi Calm Calm - N/A   Overcast
7:12 AM 51.8 °F 50.0 °F 94% 29.45 in 7.0 mi Calm Calm - N/A   Overcast
7:40 AM 51.8 °F 50.0 °F 94% 29.45 in 3.0 mi Calm Calm - N/A   Overcast
7:42 AM 51.8 °F 50.0 °F 94% 29.45 in 2.5 mi Calm Calm - N/A   Overcast
7:54 AM 52.0 °F 50.0 °F 93% 29.45 in 4.0 mi Calm Calm - N/A   Overcast
8:54 AM 53.1 °F 48.9 °F 86% 29.48 in 10.0 mi South 8.1 mph - 0.01 in   Overcast
9:02 AM 51.8 °F 48.2 °F 88% 29.48 in 2.5 mi Calm Calm - 0.01 in Rain Light Rain
9:10 AM 51.8 °F 48.2 °F 88% 29.48 in 3.0 mi SSW 3.5 mph - 0.01 in Rain Light Rain
9:25 AM 51.8 °F 48.2 °F 88% 29.48 in 7.0 mi South 9.2 mph - 0.01 in   Overcast
9:34 AM 51.8 °F 46.4 °F 82% 29.49 in 10.0 mi South 6.9 mph - 0.01 in   Overcast
9:46 AM 51.8 °F 46.4 °F 82% 29.49 in 10.0 mi South 5.8 mph - 0.01 in   Overcast
9:54 AM 52.0 °F 48.0 °F 86% 29.50 in 6.0 mi South 8.1 mph - 0.01 in   Overcast
10:18 AM 53.6 °F 48.2 °F 82% 29.50 in 10.0 mi South 3.5 mph - 0.00 in   Overcast
10:54 AM 52.0 °F 42.1 °F 69% 29.50 in 10.0 mi South 9.2 mph - 0.00 in   Overcast
11:54 AM 51.1 °F 43.0 °F 74% 29.51 in 10.0 mi South 8.1 mph - N/A   Overcast
12:54 PM 52.0 °F 43.0 °F 71% 29.50 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:02 PM 51.8 °F 42.8 °F 71% 29.50 in 10.0 mi South 5.8 mph - N/A   Overcast
1:19 PM 51.8 °F 41.0 °F 67% 29.50 in 10.0 mi South 8.1 mph - N/A   Overcast
1:31 PM 55.4 °F 42.8 °F 63% 29.49 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
1:54 PM 54.0 °F 39.9 °F 59% 29.49 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
2:54 PM 53.1 °F 37.9 °F 57% 29.49 in 10.0 mi SSE 11.5 mph 20.7 mph N/A   Mostly Cloudy
3:54 PM 52.0 °F 37.0 °F 57% 29.50 in 10.0 mi South 6.9 mph - N/A   Overcast
4:54 PM 52.0 °F 36.0 °F 54% 29.50 in 10.0 mi SSW 4.6 mph - N/A   Overcast
5:54 PM 50.0 °F 37.0 °F 61% 29.51 in 10.0 mi South 5.8 mph - N/A   Overcast
6:54 PM 48.9 °F 36.0 °F 61% 29.52 in 10.0 mi South 4.6 mph - N/A   Clear
7:54 PM 46.9 °F 37.9 °F 71% 29.53 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 44.1 °F 39.9 °F 85% 29.53 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:54 PM 44.1 °F 39.9 °F 85% 29.54 in 10.0 mi Calm Calm - N/A   Overcast
11:54 PM 45.0 °F 41.0 °F 86% 29.53 in 10.0 mi Calm Calm - N/A   Overcast