Weather History for Oakland, CA

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Sunday, September 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 64 °F  
Max Temperature 72 °F 74 °F 94 °F (1997)
Min Temperature 48 °F 54 °F 48 °F (1960)
Degree Days  
Heating Degree Days 5 2  
Month to date heating degree days 96 44  
Since 1 July heating degree days 263 184  
Cooling Degree Days 0 1  
Month to date cooling degree days 0 40  
Year to date cooling degree days 25 120  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 77    
Maximum Humidity 100    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in 0.01 in 0.01 in (2001)
Month to date precipitation T 0.12  
Year to date precipitation 11.97 13.40  
Since 1 July precipitation 0.03 0.18  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 23, 2012 Rise Set
Actual Time 6:58 AM PDT 7:03 PM PDT
Civil Twilight 6:31 AM PDT 7:29 PM PDT
Nautical Twilight 6:01 AM PDT 8:00 PM PDT
Astronomical Twilight 5:30 AM PDT 8:30 PM PDT
Moon 3:03 PM PDT (9/23) 12:22 AM PDT (9/23)
Length of Visible Light 12h 57m
Length of Day
12h 05m
First Quarter, 61% of the Moon is Illuminated
Sep 23
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 55.0 °F 52.0 °F 89% 29.92 in 9.0 mi Calm Calm - N/A   Clear
1:53 AM 51.1 °F 48.9 °F 92% 29.92 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 51.1 °F 50.0 °F 96% 29.91 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 53.1 °F 52.0 °F 96% 29.91 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
4:53 AM 53.1 °F 52.0 °F 96% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:53 AM 48.0 °F 48.0 °F 100% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 51.1 °F 51.1 °F 100% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 53.1 °F 53.1 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 59.0 °F 54.0 °F 83% 29.97 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 61.0 °F 54.0 °F 78% 29.97 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
10:53 AM 64.0 °F 54.0 °F 70% 29.97 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
11:53 AM 64.9 °F 54.0 °F 68% 29.97 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
12:53 PM 70.0 °F 52.0 °F 53% 29.95 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
1:53 PM 68.0 °F 54.0 °F 61% 29.95 in 9.0 mi WNW 17.3 mph - N/A   Mostly Cloudy
2:53 PM 66.0 °F 54.0 °F 65% 29.94 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
3:53 PM 69.1 °F 53.1 °F 57% 29.93 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
4:53 PM 64.0 °F 54.0 °F 70% 29.94 in 10.0 mi WNW 16.1 mph - N/A   Scattered Clouds
5:53 PM 61.0 °F 53.1 °F 75% 29.94 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
6:53 PM 57.0 °F 54.0 °F 89% 29.94 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
7:53 PM 57.0 °F 53.1 °F 87% 29.96 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
8:53 PM 55.0 °F 54.0 °F 96% 29.96 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
9:53 PM 54.0 °F 53.1 °F 97% 29.96 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
10:53 PM 54.0 °F 53.1 °F 97% 29.96 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
11:53 PM 54.0 °F 52.0 °F 93% 29.96 in 10.0 mi NNW 6.9 mph - N/A   Partly Cloudy