Weather History for Oakland, CA

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Friday, December 30, 2011

  Actual Average Record
Temperature  
Mean Temperature 53 °F 48 °F  
Max Temperature 56 °F 55 °F 65 °F (1966)
Min Temperature 49 °F 41 °F 30 °F (1978)
Degree Days  
Heating Degree Days 12 17  
Month to date heating degree days 393 483  
Since 1 July heating degree days 1010 1158  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 152 138  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 86    
Precipitation  
Precipitation 0.01 in 0.12 in 1.19 in (1976)
Month to date precipitation 0.11 3.55  
Year to date precipitation 15.88 20.70  
Since 1 July precipitation 3.07 7.48  
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 2 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed 9 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 30, 2011 Rise Set
Actual Time 7:23 AM PST 4:59 PM PST
Civil Twilight 6:54 AM PST 5:28 PM PST
Nautical Twilight 6:21 AM PST 6:01 PM PST
Astronomical Twilight 5:49 AM PST 6:33 PM PST
Moon 10:52 AM PST (12/30) 11:31 PM PST (12/30)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waxing Crescent, 36% of the Moon is Illuminated
Dec 30
Waxing Crescent
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:13 AM 51.8 °F 51.8 °F 100% 30.16 in 0.5 mi SW 5.8 mph - N/A Fog Fog
12:23 AM 51.8 °F 51.8 °F 100% 30.16 in 0.5 mi South 4.6 mph - N/A Fog Fog
12:53 AM 51.1 °F 51.1 °F 100% 30.16 in 0.5 mi SSW 3.5 mph - N/A Fog Fog
1:07 AM 51.8 °F 51.8 °F 100% 30.16 in 0.2 mi SSE 3.5 mph - N/A Fog Fog
1:15 AM 51.8 °F 51.8 °F 100% 30.16 in 0.2 mi SSE 3.5 mph - N/A Fog Fog
1:37 AM 51.8 °F 51.8 °F 100% 30.17 in 0.2 mi Calm Calm - N/A Fog Fog
1:53 AM 51.1 °F 51.1 °F 100% 30.17 in 0.2 mi Calm Calm - N/A Fog Fog
2:42 AM 51.8 °F 51.8 °F 100% 30.18 in 0.5 mi Calm Calm - N/A Fog Fog
2:51 AM 51.8 °F 51.8 °F 100% 30.19 in 0.8 mi West 3.5 mph - N/A   Overcast
2:53 AM 52.0 °F 52.0 °F 100% 30.19 in 0.8 mi Calm Calm - N/A   Overcast
3:00 AM 51.8 °F 51.8 °F 100% 30.19 in 1.0 mi West 3.5 mph - N/A   Overcast
3:25 AM 51.8 °F 51.8 °F 100% 30.19 in 0.8 mi WSW 4.6 mph - 0.01 in   Overcast
3:53 AM 51.8 °F 51.8 °F 100% 30.18 in 7.0 mi Calm Calm - N/A Fog Overcast
4:05 AM 51.8 °F 51.8 °F 100% 30.18 in 10.0 mi WSW 3.5 mph - N/A Fog Overcast
4:19 AM 51.8 °F 51.8 °F 100% 30.18 in 7.0 mi West 3.5 mph - N/A   Overcast
4:53 AM 52.0 °F 51.1 °F 97% 30.18 in 7.0 mi Calm Calm - N/A   Overcast
5:53 AM 52.0 °F 52.0 °F 100% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 52.0 °F 52.0 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 52.0 °F 52.0 °F 100% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
8:27 AM 51.8 °F 51.8 °F 100% 30.23 in 2.5 mi West 3.5 mph - 0.00 in   Light Drizzle
8:53 AM 52.0 °F 52.0 °F 100% 30.23 in 2.0 mi Calm Calm - 0.00 in   Light Drizzle
9:49 AM 53.6 °F 53.6 °F 100% 30.24 in 5.0 mi SSE 3.5 mph - 0.00 in   Overcast
9:53 AM 53.6 °F 53.6 °F 100% 30.24 in 5.0 mi Calm Calm - N/A   Overcast
10:53 AM 53.1 °F 53.1 °F 100% 30.24 in 6.0 mi Calm Calm - N/A   Overcast
11:53 AM 54.0 °F 53.1 °F 97% 30.23 in 10.0 mi Calm Calm - 0.00 in   Overcast
12:53 PM 55.0 °F 52.0 °F 89% 30.21 in 10.0 mi SW 9.2 mph - N/A   Overcast
1:25 PM 55.4 °F 51.8 °F 88% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 55.0 °F 52.0 °F 89% 30.20 in 9.0 mi Calm Calm - N/A   Overcast
2:34 PM 55.4 °F 53.6 °F 94% 30.19 in 10.0 mi SSE 4.6 mph - 0.00 in   Overcast
2:49 PM 55.4 °F 53.6 °F 94% 30.18 in 8.0 mi SE 3.5 mph - 0.00 in   Overcast
2:53 PM 55.9 °F 53.1 °F 90% 30.19 in 8.0 mi Calm Calm - 0.00 in   Overcast
3:53 PM 55.9 °F 52.0 °F 87% 30.19 in 7.0 mi Calm Calm - N/A   Overcast
4:53 PM 53.1 °F 52.0 °F 96% 30.19 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 PM 53.1 °F 52.0 °F 96% 30.20 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
6:53 PM 53.1 °F 53.1 °F 100% 30.21 in 7.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
7:53 PM 53.1 °F 51.1 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM 52.0 °F 51.1 °F 97% 30.21 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
9:38 PM 51.8 °F 51.8 °F 100% 30.21 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
9:53 PM 51.1 °F 50.0 °F 96% 30.21 in 9.0 mi NW 6.9 mph - N/A   Mostly Cloudy
10:30 PM 50.0 °F 50.0 °F 100% 30.22 in 2.5 mi WNW 8.1 mph - N/A   Mostly Cloudy
10:33 PM 50.0 °F 50.0 °F 100% 30.22 in 1.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
10:37 PM 50.0 °F 50.0 °F 100% 30.22 in 0.2 mi NW 6.9 mph - N/A Fog Fog
10:53 PM 50.0 °F 50.0 °F 100% 30.23 in 0.2 mi NW 6.9 mph - N/A Fog Fog
11:00 PM 50.0 °F 50.0 °F 100% 30.23 in 0.5 mi WNW 10.4 mph - N/A Fog Fog
11:05 PM 50.0 °F 50.0 °F 100% 30.23 in 1.5 mi WNW 9.2 mph - N/A   Overcast
11:11 PM 50.0 °F 50.0 °F 100% 30.23 in 4.0 mi WNW 9.2 mph - N/A   Overcast
11:53 PM 48.9 °F 48.9 °F 100% 30.25 in 5.0 mi NW 9.2 mph - N/A   Overcast