Alameda, CA

1:39 PM PST on February 20, 2017 (GMT -0800)
Metro Oakland International

Weather History for KOAK - January, 1971

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Saturday, January 2, 1971

  Actual Average Record
Temperature  
Mean Temperature 48 °F 48 °F  
Max Temperature 53 °F 56 °F 66 °F (1999)
Min Temperature 44 °F 41 °F 29 °F (1960)
Degree Days  
Heating Degree Days 16 17  
Month to date heating degree days 34  
Since 1 July heating degree days 1206  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 23 °F    
Average Humidity 44    
Maximum Humidity 85    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.23 in 0.79 in (2006)
Month to date precipitation 0.48  
Year to date precipitation 0.48  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 14 mph (North)    
Max Wind Speed 25 mph    
Max Gust Speed -    
Visibility 15 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Jan. 02, 1971 Rise Set
Actual Time 7:24 AM PST 5:01 PM PST
Civil Twilight 6:55 AM PST 5:30 PM PST
Nautical Twilight 6:22 AM PST 6:03 PM PST
Astronomical Twilight 5:50 AM PST 6:35 PM PST
Moon 10:55 AM PST (1/2) 11:26 PM PST (1/2)
Length of Visible Light 10h 35m
Length of Day
9h 37m
Waxing Crescent, 35% of the Moon is Illuminated
Jan 2
Waxing Crescent
Jan 3
First Quarter
Jan 11
Full
Jan 19
Last Quarter
Jan 26
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:00 AM 44.1 °F 40.1 °F 39.9 °F 85% 29.88 in 15.0 mi NNE 6.9 mph - N/A   Unknown
4:00 AM 45.0 °F 39.3 °F 37.9 °F 76% 29.88 in 15.0 mi NNW 11.5 mph - N/A   Unknown
7:00 AM 44.1 °F 36.8 °F 34.0 °F 68% 29.91 in 40.0 mi NNW 16.1 mph - N/A   Clear
10:00 AM 46.0 °F 37.6 °F 17.1 °F 31% 29.99 in 40.0 mi North 24.2 mph - N/A   Clear
1:00 PM 53.1 °F - 15.1 °F 22% 29.97 in 40.0 mi NNE 25.3 mph - N/A   Clear
4:00 PM 52.0 °F - 15.1 °F 23% 30.06 in 40.0 mi North 23.0 mph - N/A   Clear
7:00 PM 48.0 °F - 14.0 °F 26% 30.15 in 15.0 mi North 11.5 mph - N/A   Clear
10:00 PM 45.0 °F 38.9 °F 10.0 °F 24% 30.19 in 15.0 mi NNE 12.7 mph - N/A   Clear