Weather History for KOAK - May, 2013

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Monday, May 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F 59 °F  
Max Temperature 68 °F 67 °F 91 °F (2014)
Min Temperature 55 °F 51 °F 45 °F (1999)
Degree Days  
Heating Degree Days 3 6  
Month to date heating degree days 23 81  
Since 1 July heating degree days 2291 2667  
Cooling Degree Days 0 0  
Month to date cooling degree days 26 0  
Year to date cooling degree days 39 6  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 78    
Precipitation  
Precipitation 0.00 in 0.02 in 0.29 in (1968)
Month to date precipitation T 0.40  
Year to date precipitation 2.63 12.76  
Since 1 July precipitation 13.62  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 13, 2013 Rise Set
Actual Time 6:00 AM PDT 8:10 PM PDT
Civil Twilight 5:31 AM PDT 8:39 PM PDT
Nautical Twilight 4:55 AM PDT 9:15 PM PDT
Astronomical Twilight 4:16 AM PDT 9:54 PM PDT
Moon 8:51 AM PDT (5/13) 11:23 PM PDT (5/13)
Length of Visible Light 15h 08m
Length of Day
14h 09m
Waxing Crescent, 13% of the Moon is Illuminated
May 13
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:03 AM 55.4 °F 55.4 °F 100% 30.08 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
12:11 AM 55.4 °F 55.4 °F 100% 30.08 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
12:53 AM 55.9 °F 55.9 °F 100% 30.09 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
1:13 AM 55.4 °F 55.4 °F 100% 30.09 in 10.0 mi WNW 6.9 mph - N/A   Overcast
1:53 AM 55.9 °F 55.9 °F 100% 30.08 in 10.0 mi West 10.4 mph - N/A   Overcast
2:53 AM 55.9 °F 55.9 °F 100% 30.07 in 10.0 mi NW 5.8 mph - N/A   Overcast
3:53 AM 55.9 °F 55.9 °F 100% 30.07 in 10.0 mi NNW 3.5 mph - N/A   Overcast
4:53 AM 55.9 °F 55.9 °F 100% 30.07 in 10.0 mi NNE 4.6 mph - N/A   Overcast
5:01 AM 55.4 °F 55.4 °F 100% 30.07 in 10.0 mi NNE 4.6 mph - N/A   Overcast
5:53 AM 55.9 °F 55.9 °F 100% 30.09 in 10.0 mi East 4.6 mph - N/A   Overcast
6:53 AM 57.0 °F 55.9 °F 96% 30.09 in 10.0 mi ENE 4.6 mph - N/A   Overcast
7:53 AM 57.0 °F 57.0 °F 100% 30.11 in 10.0 mi West 4.6 mph - N/A   Overcast
8:33 AM 57.2 °F 57.2 °F 100% 30.12 in 10.0 mi West 6.9 mph - N/A   Overcast
8:53 AM 57.9 °F 57.0 °F 97% 30.12 in 10.0 mi West 10.4 mph - N/A   Overcast
9:53 AM 57.9 °F 57.0 °F 97% 30.13 in 10.0 mi WNW 6.9 mph - N/A   Overcast
10:53 AM 60.1 °F 57.0 °F 90% 30.13 in 10.0 mi WNW 4.6 mph - N/A   Overcast
11:06 AM 60.8 °F 57.2 °F 88% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:26 AM 60.8 °F 57.2 °F 88% 30.13 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
11:53 AM 62.1 °F 57.9 °F 86% 30.12 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
1:53 PM 66.0 °F 59.0 °F 78% 30.09 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
2:53 PM 66.0 °F 60.1 °F 81% 30.07 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
3:53 PM 66.9 °F 59.0 °F 76% 30.05 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
4:53 PM 66.2 °F 59.0 °F 78% 30.03 in 10.0 mi West 19.6 mph - N/A   Partly Cloudy
5:53 PM 66.0 °F 59.0 °F 78% 30.02 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
6:53 PM 63.0 °F 55.9 °F 78% 30.00 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
7:53 PM 61.0 °F 55.0 °F 81% 30.00 in 10.0 mi West 15.0 mph - N/A   Partly Cloudy
8:53 PM 59.0 °F 55.0 °F 87% 30.00 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
9:53 PM 59.0 °F 55.9 °F 90% 30.00 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
10:53 PM 57.0 °F 55.0 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 57.9 °F 55.9 °F 93% 29.98 in 10.0 mi NW 5.8 mph - N/A   Clear