Weather History for KAPC - September, 2011

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Sunday, September 18, 2011

  Actual Average Record
Temperature  
Mean Temperature 69 °F 64 °F  
Max Temperature 90 °F 80 °F 97 °F (2000)
Min Temperature 47 °F 49 °F 38 °F (2008)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 17  
Since 1 July heating degree days 74  
Cooling Degree Days 4    
Month to date cooling degree days 18  
Year to date cooling degree days 114  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 60    
Maximum Humidity 93    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in - 1.87 in (1959)
Month to date precipitation 0.00  
Year to date precipitation 15.87  
Since 1 July precipitation 0.02  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 4 mph (SSW)    
Max Wind Speed 10 mph    
Max Gust Speed 0 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 18, 2011 Rise Set
Actual Time 6:53 AM PDT 7:12 PM PDT
Civil Twilight 6:26 AM PDT 7:39 PM PDT
Nautical Twilight 5:55 AM PDT 8:09 PM PDT
Astronomical Twilight 5:24 AM PDT 8:41 PM PDT
Moon 10:38 PM PDT (9/18) 12:49 PM PDT (9/18)
Length of Visible Light 13h 12m
Length of Day
12h 19m
Waning Gibbous, 67% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 55.9 °F - 52.0 °F 87% 30.00 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:54 AM 52.0 °F - 48.9 °F 89% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 50.0 °F - 46.0 °F 86% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 50.0 °F - 48.0 °F 93% 30.02 in 10.0 mi Calm Calm - N/A   Clear
6:02 AM 48.2 °F - 46.4 °F 93% 30.05 in 1.8 mi Calm Calm - N/A   Clear
6:12 AM 48.2 °F - 46.4 °F 93% 30.05 in 4.0 mi Calm Calm - N/A   Clear
6:54 AM 52.0 °F - 48.9 °F 89% 30.04 in 10.0 mi NNE 4.6 mph - N/A   Clear
8:54 AM 63.0 °F - 54.0 °F 72% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 66.9 °F - 52.0 °F 59% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:54 AM 72.0 °F - 51.1 °F 48% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:54 AM 75.0 °F - 53.1 °F 46% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:54 PM 80.1 °F 79.9 °F 53.1 °F 39% 30.02 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:54 PM 82.9 °F 81.8 °F 53.1 °F 36% 30.00 in 10.0 mi SW 6.9 mph - N/A   Clear
2:54 PM 84.9 °F 83.3 °F 54.0 °F 34% 29.98 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:54 PM 89.1 °F - 52.0 °F 28% 29.94 in 10.0 mi SSW 6.9 mph - N/A   Clear
5:54 PM 84.0 °F 83.0 °F 55.9 °F 38% 29.93 in 10.0 mi SW 6.9 mph - N/A   Clear
8:54 PM 66.9 °F - 50.0 °F 54% 29.94 in 10.0 mi SSE 8.1 mph - N/A   Clear
10:54 PM 61.0 °F - 48.0 °F 62% 29.96 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 57.9 °F - 46.9 °F 67% 29.97 in 10.0 mi Calm Calm - N/A   Clear