Weather History for KOAK - July, 2013

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Sunday, July 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 63 °F 63 °F  
Max Temperature 68 °F 70 °F 96 °F (1954)
Min Temperature 57 °F 56 °F 50 °F (1955)
Degree Days  
Heating Degree Days 2 3  
Month to date heating degree days 37 84  
Since 1 June heating degree days 97 187  
Since 1 July heating degree days 37 84  
Cooling Degree Days 0 0  
Month to date cooling degree days 29 21  
Year to date cooling degree days 105 55  
Since 1 June cooling degree days 64 39  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 73    
Precipitation  
Precipitation 0.00 in 0.00 in 0.01 in (1964)
Month to date precipitation T 0.01  
Year to date precipitation 2.82 13.23  
Since 1 July precipitation T 0.01  
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 28, 2013 Rise Set
Actual Time 6:09 AM PDT 8:20 PM PDT
Civil Twilight 5:40 AM PDT 8:50 PM PDT
Nautical Twilight 5:04 AM PDT 9:25 PM PDT
Astronomical Twilight 4:24 AM PDT 10:05 PM PDT
Moon 11:54 PM PDT (7/28) 12:48 PM PDT (7/28)
Length of Visible Light 15h 09m
Length of Day
14h 11m
Waning Gibbous, 60% of the Moon is Illuminated
Jul 28
Waning Gibbous
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.9 °F 57.9 °F 100% 29.89 in 10.0 mi NW 9.2 mph - N/A   Overcast
1:53 AM 59.0 °F 59.0 °F 100% 29.88 in 10.0 mi WNW 8.1 mph - N/A   Overcast
2:53 AM 57.9 °F 57.9 °F 100% 29.87 in 10.0 mi WNW 5.8 mph - N/A   Overcast
3:53 AM 57.9 °F 57.9 °F 100% 29.86 in 10.0 mi WNW 5.8 mph - N/A   Overcast
4:53 AM 57.9 °F 57.9 °F 100% 29.86 in 10.0 mi NW 5.8 mph - N/A   Overcast
5:53 AM 57.9 °F 57.9 °F 100% 29.86 in 10.0 mi West 8.1 mph - N/A   Overcast
6:53 AM 57.9 °F 57.9 °F 100% 29.87 in 8.0 mi West 6.9 mph - N/A   Overcast
7:53 AM 57.9 °F 57.9 °F 100% 29.88 in 10.0 mi NW 4.6 mph - N/A   Overcast
8:53 AM 59.0 °F 59.0 °F 100% 29.89 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:43 AM 60.8 °F 59.0 °F 94% 29.89 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
9:53 AM 61.0 °F 59.0 °F 93% 29.89 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
10:53 AM 61.0 °F 59.0 °F 93% 29.89 in 10.0 mi Variable 6.9 mph - N/A   Overcast
11:53 AM 64.0 °F 57.9 °F 80% 29.89 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
12:26 PM 64.4 °F 57.2 °F 77% 29.89 in 10.0 mi WNW 12.7 mph 20.7 mph N/A   Partly Cloudy
12:53 PM 64.9 °F 57.9 °F 78% 29.89 in 10.0 mi WNW 10.4 mph 18.4 mph N/A   Partly Cloudy
1:53 PM 66.9 °F 57.0 °F 70% 29.88 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
2:53 PM 66.9 °F 57.9 °F 73% 29.87 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
3:53 PM 66.9 °F 57.0 °F 70% 29.85 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
4:53 PM 66.9 °F 57.0 °F 70% 29.84 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
5:53 PM 64.9 °F 57.9 °F 78% 29.84 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
6:53 PM 63.0 °F 57.9 °F 84% 29.84 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
7:53 PM 61.0 °F 57.9 °F 90% 29.85 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
8:53 PM 59.0 °F 57.9 °F 96% 29.84 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
9:53 PM 59.0 °F 57.9 °F 96% 29.85 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
10:53 PM 57.0 °F 57.0 °F 100% 29.86 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
11:53 PM 59.0 °F 57.9 °F 96% 29.86 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy