Weather History for KSFF - October, 2011

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Friday, October 21, 2011

  Actual Average Record
Temperature  
Mean Temperature 51 °F 46 °F  
Max Temperature 60 °F 57 °F - ()
Min Temperature 41 °F 35 °F - ()
Degree Days  
Heating Degree Days 14 19  
Month to date heating degree days 278 315  
Since 1 July heating degree days 398 526  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 381 406  
Moisture  
Dew Point 43 °F    
Average Humidity 76    
Maximum Humidity 96    
Minimum Humidity 55    
Precipitation  
Precipitation T in 0.06 in - ()
Month to date precipitation 0.57 0.84  
Year to date precipitation 13.89 12.42  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 21, 2011 Rise Set
Actual Time 7:16 AM PDT 5:50 PM PDT
Civil Twilight 6:45 AM PDT 6:21 PM PDT
Nautical Twilight 6:09 AM PDT 6:57 PM PDT
Astronomical Twilight 5:33 AM PDT 7:33 PM PDT
Moon 12:46 AM PDT (10/21) 2:59 PM PDT (10/21)
Length of Visible Light 11h 36m
Length of Day
10h 33m
Waning Crescent, 32% of the Moon is Illuminated
Oct 21
Waning Crescent
Oct 26
New
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 46.0 °F 43.9 °F 42.1 °F 86% 30.10 in 10.0 mi NE 4.6 mph - N/A   Clear
1:53 AM 43.0 °F 40.3 °F 39.9 °F 89% 30.11 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
2:53 AM 42.1 °F - 39.9 °F 92% 30.13 in 9.0 mi Calm Calm - N/A   Clear
3:53 AM 43.0 °F 39.5 °F 41.0 °F 93% 30.12 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
4:53 AM 43.0 °F 40.3 °F 41.0 °F 93% 30.14 in 10.0 mi NE 4.6 mph - N/A   Clear
5:53 AM 43.0 °F - 41.0 °F 93% 30.14 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 41.0 °F - 39.0 °F 93% 30.15 in 8.0 mi Calm Calm - N/A   Clear
7:53 AM 42.1 °F - 39.9 °F 92% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 45.0 °F - 43.0 °F 93% 30.18 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 48.0 °F - 44.1 °F 86% 30.18 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 51.1 °F - 44.1 °F 77% 30.18 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 54.0 °F - 44.1 °F 69% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
12:53 PM 55.9 °F - 45.0 °F 67% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 55.9 °F - 45.0 °F 67% 30.17 in 9.0 mi Calm Calm - N/A   Overcast
2:53 PM 57.9 °F - 48.0 °F 70% 30.15 in 10.0 mi Variable 3.5 mph - 0.00 in   Overcast
3:53 PM 60.1 °F - 46.9 °F 62% 30.14 in 9.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
4:53 PM 60.1 °F - 45.0 °F 57% 30.13 in 10.0 mi SW 9.2 mph - N/A   Overcast
5:53 PM 57.9 °F - 46.0 °F 65% 30.15 in 10.0 mi SW 10.4 mph - N/A   Overcast
6:53 PM 57.0 °F - 45.0 °F 64% 30.16 in 10.0 mi SW 12.7 mph - N/A   Overcast
7:53 PM 55.0 °F - 46.0 °F 72% 30.17 in 10.0 mi WSW 5.8 mph - 0.00 in   Overcast
8:53 PM 55.0 °F - 45.0 °F 69% 30.17 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
9:53 PM 53.1 °F - 44.1 °F 71% 30.16 in 10.0 mi ESE 3.5 mph - N/A   Clear
10:53 PM 52.0 °F - 44.1 °F 74% 30.18 in 10.0 mi South 4.6 mph - N/A   Clear
11:53 PM 51.8 °F - 44.6 °F 76% 30.18 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy