Weather History for KOAK - September, 2013

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Friday, September 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 65 °F  
Max Temperature 87 °F 75 °F 93 °F (1958)
Min Temperature 54 °F 55 °F 49 °F (2011)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 0 10  
Since 1 July heating degree days 87 150  
Cooling Degree Days 6 2  
Month to date cooling degree days 24 12  
Year to date cooling degree days 168 92  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 68    
Maximum Humidity 100    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.01 in 0.00 in (2015)
Month to date precipitation 0.00 0.02  
Year to date precipitation 2.82 13.30  
Since 1 July precipitation T 0.08  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 06, 2013 Rise Set
Actual Time 6:43 AM PDT 7:30 PM PDT
Civil Twilight 6:16 AM PDT 7:56 PM PDT
Nautical Twilight 5:45 AM PDT 8:27 PM PDT
Astronomical Twilight 5:13 AM PDT 9:00 PM PDT
Moon 7:59 AM PDT (9/6) 8:00 PM PDT (9/6)
Length of Visible Light 13h 39m
Length of Day
12h 46m
New Moon, 2% of the Moon is Illuminated
Sep 6
New Moon
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 60.1 °F - 60.1 °F 100% 29.99 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
1:53 AM 61.0 °F - 61.0 °F 100% 29.99 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
2:53 AM 63.0 °F - 61.0 °F 93% 29.99 in 10.0 mi SSW 8.1 mph - N/A   Clear
3:53 AM 62.1 °F - 61.0 °F 96% 29.97 in 10.0 mi West 3.5 mph - N/A   Clear
4:53 AM 55.9 °F - 55.9 °F 100% 29.97 in 10.0 mi ENE 3.5 mph - N/A   Clear
5:53 AM 57.0 °F - 55.9 °F 96% 29.96 in 10.0 mi NNE 3.5 mph - N/A   Clear
6:53 AM 55.0 °F - 55.0 °F 100% 29.96 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
7:53 AM 62.1 °F - 62.1 °F 100% 29.98 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 64.9 °F - 62.1 °F 90% 29.98 in 10.0 mi South 3.5 mph - N/A   Clear
9:53 AM 66.9 °F - 63.0 °F 87% 29.98 in 10.0 mi SW 5.8 mph - N/A   Clear
10:53 AM 69.1 °F - 63.0 °F 81% 29.97 in 10.0 mi West 6.9 mph - N/A   Clear
11:53 AM 73.0 °F - 57.0 °F 57% 29.95 in 10.0 mi West 9.2 mph - N/A   Clear
12:53 PM 75.9 °F - 57.9 °F 54% 29.93 in 10.0 mi West 8.1 mph - N/A   Clear
1:53 PM 84.0 °F 82.9 °F 55.0 °F 37% 29.91 in 10.0 mi NW 11.5 mph - N/A   Clear
2:53 PM 84.9 °F 83.7 °F 55.9 °F 37% 29.87 in 10.0 mi West 15.0 mph - N/A   Clear
3:53 PM 86.0 °F 84.5 °F 55.0 °F 35% 29.86 in 10.0 mi NW 9.2 mph - N/A   Clear
4:53 PM 84.0 °F 83.3 °F 57.0 °F 40% 29.84 in 10.0 mi WNW 11.5 mph - N/A   Clear
5:53 PM 81.0 °F 80.8 °F 55.9 °F 42% 29.83 in 10.0 mi NW 12.7 mph - N/A   Clear
6:53 PM 78.1 °F - 55.0 °F 45% 29.83 in 10.0 mi NW 12.7 mph - N/A   Clear
7:53 PM 75.0 °F - 55.9 °F 51% 29.83 in 10.0 mi NW 9.2 mph - N/A   Clear
8:53 PM 73.0 °F - 55.9 °F 55% 29.85 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 70.0 °F - 64.0 °F 81% 29.85 in 10.0 mi NW 4.6 mph - N/A   Clear
10:53 PM 69.1 °F - 64.0 °F 84% 29.85 in 10.0 mi WNW 3.5 mph - N/A   Clear
11:53 PM 64.9 °F - 64.9 °F 100% 29.85 in 10.0 mi Calm Calm - N/A   Clear