Weather History for Oakland, CA

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Monday, September 19, 2011

  Actual Average Record
Temperature  
Mean Temperature 75 °F 64 °F  
Max Temperature 91 °F 75 °F 91 °F (2011)
Min Temperature 58 °F 54 °F 49 °F (1955)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 76 36  
Since 1 July heating degree days 283 176  
Cooling Degree Days 10 1  
Month to date cooling degree days 16 36  
Year to date cooling degree days 62 116  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 58    
Maximum Humidity 84    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.01 in 0.48 in (1977)
Month to date precipitation T 0.09  
Year to date precipitation 12.81 13.37  
Since 1 July precipitation T 0.15  
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 19, 2011 Rise Set
Actual Time 6:54 AM PDT 7:10 PM PDT
Civil Twilight 6:27 AM PDT 7:36 PM PDT
Nautical Twilight 5:57 AM PDT 8:07 PM PDT
Astronomical Twilight 5:25 AM PDT 8:38 PM PDT
Moon 11:30 PM PDT (9/19) 1:41 PM PDT (9/19)
Length of Visible Light 13h 09m
Length of Day
12h 16m
Waning Gibbous, 58% of the Moon is Illuminated
Sep 19
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
12:53 AM 64.0 °F - 55.0 °F 73% 30.01 in 10.0 mi NW 5.8 mph - N/A   Clear
1:53 AM 64.9 °F - 55.9 °F 73% 30.01 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
2:53 AM 63.0 °F - 55.9 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM 59.0 °F - 54.0 °F 83% 30.00 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 60.8 °F - 55.4 °F 82% 29.99 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 62.1 °F - 55.0 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 61.0 °F - 55.0 °F 81% 30.00 in 10.0 mi NW 3.5 mph - N/A   Clear
7:53 AM 60.8 °F - 55.4 °F 82% 30.01 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 66.0 °F - 57.0 °F 73% 30.01 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 71.1 °F - 57.0 °F 61% 30.01 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 72.0 °F - 57.0 °F 59% 30.01 in 10.0 mi West 5.8 mph - N/A   Clear
11:53 AM 78.1 °F - 54.0 °F 43% 30.00 in 10.0 mi West 6.9 mph - N/A   Clear
12:53 PM 84.0 °F - 52.0 °F 33% 29.97 in 10.0 mi WNW 10.4 mph - N/A   Clear
1:53 PM 87.1 °F 84.9 °F 53.1 °F 31% 29.95 in 10.0 mi WNW 9.2 mph - N/A   Clear
2:53 PM 90.0 °F 87.9 °F 55.0 °F 30% 29.93 in 10.0 mi NW 11.5 mph - N/A   Clear
3:53 PM 89.1 °F 87.7 °F 57.0 °F 34% 29.91 in 10.0 mi WNW 10.4 mph - N/A   Clear
4:53 PM 82.9 °F 82.0 °F 55.0 °F 38% 29.90 in 10.0 mi NW 13.8 mph - N/A   Clear
5:53 PM 80.1 °F 80.1 °F 55.0 °F 42% 29.90 in 10.0 mi WNW 11.5 mph - N/A   Clear
6:53 PM 78.1 °F - 55.0 °F 45% 29.89 in 10.0 mi WNW 9.2 mph - N/A   Clear
7:53 PM 75.9 °F - 55.0 °F 48% 29.90 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 73.9 °F - 52.0 °F 46% 29.91 in 10.0 mi North 3.5 mph - N/A   Clear
9:53 PM 70.0 °F - 52.0 °F 53% 29.92 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 72.0 °F - 54.0 °F 53% 29.93 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 66.9 °F - 54.0 °F 63% 29.93 in 10.0 mi Calm Calm - N/A   Clear