Oakland, CA

6:06 PM PDT on July 27, 2017 (GMT -0700)
Metro Oakland International

Weather History for KOAK - September, 2012

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Friday, September 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 57 °F 63 °F  
Max Temperature 61 °F 73 °F 100 °F (2010)
Min Temperature 52 °F 53 °F 49 °F (1948)
Degree Days  
Heating Degree Days 8 3  
Month to date heating degree days 127 58  
Since 1 July heating degree days 294 198  
Cooling Degree Days 0 1  
Month to date cooling degree days 0 45  
Year to date cooling degree days 25 125  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 78    
Precipitation  
Precipitation 0.00 in 0.02 in 0.32 in (1976)
Month to date precipitation T 0.19  
Year to date precipitation 11.97 13.47  
Since 1 July precipitation 0.03  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 23 mph    
Max Gust Speed 38 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Sep. 28, 2012 Rise Set
Actual Time 7:02 AM PDT 6:55 PM PDT
Civil Twilight 6:36 AM PDT 7:21 PM PDT
Nautical Twilight 6:05 AM PDT 7:52 PM PDT
Astronomical Twilight 5:35 AM PDT 8:22 PM PDT
Moon 6:00 PM PDT 5:39 AM PDT
Length of Visible Light 12h 45m
Length of Day
11h 53m
Waxing Gibbous, 98% of the Moon is Illuminated
Sep 28
Waxing Gibbous
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
12:27 AM 53.6 °F 53.6 °F 100% 29.92 in 6.0 mi NW 6.9 mph - N/A   Mostly Cloudy
12:53 AM 53.1 °F 53.1 °F 100% 29.92 in 7.0 mi NW 5.8 mph - N/A   Mostly Cloudy
1:53 AM 53.1 °F 53.1 °F 100% 29.92 in 7.0 mi NW 4.6 mph - N/A   Mostly Cloudy
2:30 AM 53.6 °F 53.6 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 52.0 °F 52.0 °F 100% 29.91 in 4.0 mi NNE 3.5 mph - N/A   Overcast
3:53 AM 52.0 °F 52.0 °F 100% 29.89 in 4.0 mi NW 3.5 mph - N/A   Overcast
4:53 AM 53.1 °F 53.1 °F 100% 29.90 in 4.0 mi North 3.5 mph - N/A   Overcast
5:16 AM 51.8 °F 51.8 °F 100% 29.90 in 4.0 mi Calm Calm - N/A   Overcast
5:53 AM 52.0 °F 52.0 °F 100% 29.91 in 8.0 mi NW 8.1 mph - N/A   Overcast
6:35 AM 51.8 °F 51.8 °F 100% 29.92 in 9.0 mi NNW 6.9 mph - N/A   Overcast
6:53 AM 52.0 °F 52.0 °F 100% 29.93 in 9.0 mi NNW 5.8 mph - N/A   Overcast
7:41 AM 51.8 °F 51.8 °F 100% 29.95 in 6.0 mi NW 10.4 mph - N/A   Overcast
7:53 AM 52.0 °F 52.0 °F 100% 29.95 in 6.0 mi NW 5.8 mph - N/A   Overcast
8:53 AM 53.1 °F 53.1 °F 100% 29.97 in 6.0 mi North 6.9 mph - N/A   Overcast
9:16 AM 53.6 °F 53.6 °F 100% 29.97 in 6.0 mi NNW 4.6 mph - N/A   Overcast
9:53 AM 54.0 °F 53.1 °F 97% 29.99 in 7.0 mi NW 4.6 mph - N/A   Overcast
10:53 AM 55.0 °F 52.0 °F 89% 29.99 in 7.0 mi WNW 4.6 mph - N/A   Overcast
11:53 AM 57.2 °F 53.6 °F 88% 29.99 in 7.0 mi WNW 11.5 mph - N/A   Overcast
12:53 PM 59.0 °F 54.0 °F 83% 29.98 in 7.0 mi WNW 12.7 mph - N/A   Overcast
1:16 PM 59.0 °F 53.6 °F 82% 29.97 in 10.0 mi NW 13.8 mph 38.0 mph N/A   Overcast
1:53 PM 60.1 °F 54.0 °F 80% 29.96 in 10.0 mi WNW 17.3 mph 27.6 mph N/A   Mostly Cloudy
2:53 PM 60.1 °F 54.0 °F 80% 29.95 in 10.0 mi WNW 13.8 mph 19.6 mph N/A   Partly Cloudy
3:02 PM 60.8 °F 53.6 °F 77% 29.94 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
3:07 PM 60.8 °F 53.6 °F 77% 29.94 in 10.0 mi NW 16.1 mph - N/A   Scattered Clouds
3:53 PM 60.1 °F 54.0 °F 80% 29.93 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
4:53 PM 59.0 °F 54.0 °F 83% 29.92 in 10.0 mi WNW 18.4 mph - N/A   Scattered Clouds
5:53 PM 57.0 °F 54.0 °F 89% 29.92 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
6:53 PM 55.9 °F 53.1 °F 90% 29.93 in 7.0 mi NW 5.8 mph - N/A   Mostly Cloudy
7:44 PM 55.4 °F 53.6 °F 94% 29.94 in 9.0 mi NW 8.1 mph - N/A   Mostly Cloudy
7:53 PM 55.0 °F 53.1 °F 93% 29.94 in 9.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
8:53 PM 54.0 °F 53.1 °F 97% 29.96 in 9.0 mi NW 5.8 mph - N/A   Overcast
9:53 PM 55.0 °F 53.1 °F 93% 29.97 in 7.0 mi WNW 6.9 mph - N/A   Overcast
10:53 PM 54.0 °F 53.1 °F 97% 29.98 in 7.0 mi WNW 6.9 mph - N/A   Overcast
11:53 PM 54.0 °F 53.1 °F 97% 29.98 in 9.0 mi NW 6.9 mph - N/A   Overcast