Weather History for Hayward, CA

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 50 °F  
Max Temperature 58 °F 58 °F 64 °F (2010)
Min Temperature 43 °F 43 °F 35 °F (2013)
Degree Days  
Heating Degree Days 14    
Month to date heating degree days 104  
Since 1 July heating degree days 532  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 191  
Moisture  
Dew Point 45 °F    
Average Humidity 75    
Maximum Humidity 83    
Minimum Humidity 66    
Precipitation  
Precipitation T in - 0.06 in (2000)
Month to date precipitation 1.04  
Year to date precipitation 13.27  
Since 1 July precipitation 4.15  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 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

Dec. 11, 2012 Rise Set
Actual Time 7:13 AM PST 4:50 PM PST
Civil Twilight 6:44 AM PST 5:19 PM PST
Nautical Twilight 6:11 AM PST 5:52 PM PST
Astronomical Twilight 5:39 AM PST 6:24 PM PST
Moon 5:16 AM PST (12/11) 3:33 PM PST (12/11)
Length of Visible Light 10h 34m
Length of Day
9h 36m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 48.9 °F - 42.1 °F 77% 30.12 in 10.0 mi East 4.6 mph - N/A   Clear
1:54 AM 48.0 °F - 42.1 °F 80% 30.11 in 10.0 mi East 5.8 mph - N/A   Clear
2:54 AM 48.0 °F - 42.1 °F 80% 30.11 in 10.0 mi East 5.8 mph - N/A   Clear
3:54 AM 46.9 °F - 41.0 °F 80% 30.10 in 10.0 mi NE 3.5 mph - N/A   Clear
4:54 AM 46.0 °F - 41.0 °F 83% 30.08 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 44.1 °F - 39.9 °F 85% 30.08 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 45.0 °F 41.8 °F 39.9 °F 82% 30.08 in 10.0 mi ENE 5.8 mph - N/A   Clear
7:54 AM 46.9 °F - 41.0 °F 80% 30.07 in 10.0 mi ENE 5.8 mph - N/A   Clear
8:54 AM 51.1 °F - 42.1 °F 71% 30.07 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 55.0 °F - 45.0 °F 69% 30.06 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 55.9 °F - 46.9 °F 72% 30.05 in 10.0 mi West 6.9 mph - N/A   Clear
11:54 AM 55.9 °F - 48.9 °F 77% 30.03 in 6.0 mi WNW 8.1 mph - N/A   Haze
12:54 PM 57.0 °F - 51.1 °F 81% 30.00 in 8.0 mi WNW 11.5 mph - N/A   Clear
1:33 PM 55.4 °F - 50.0 °F 82% 29.96 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
1:54 PM 55.0 °F - 48.9 °F 80% 29.99 in 10.0 mi WNW 12.7 mph - N/A   Overcast
2:54 PM 54.0 °F - 48.9 °F 83% 29.97 in 10.0 mi WNW 11.5 mph - N/A   Overcast
3:54 PM 54.0 °F - 46.9 °F 77% 29.96 in 10.0 mi West 8.1 mph - N/A   Overcast
4:54 PM 53.1 °F - 46.9 °F 80% 29.95 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
5:54 PM 53.1 °F - 46.9 °F 80% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:49 PM 53.6 °F - 46.4 °F 77% 29.88 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
6:54 PM 53.1 °F - 46.0 °F 77% 29.91 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
7:19 PM 53.6 °F - 46.4 °F 77% 29.90 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
7:54 PM 54.0 °F - 45.0 °F 72% 29.93 in 10.0 mi West 9.2 mph - N/A   Overcast
8:54 PM 54.0 °F - 44.1 °F 69% 29.93 in 10.0 mi West 9.2 mph - N/A   Overcast
9:54 PM 53.1 °F - 45.0 °F 74% 29.92 in 10.0 mi SSW 4.6 mph - N/A   Overcast
10:54 PM 54.0 °F - 46.0 °F 75% 29.91 in 10.0 mi SSW 6.9 mph - N/A   Overcast
11:54 PM 52.0 °F - 46.9 °F 83% 29.90 in 10.0 mi South 8.1 mph - 0.00 in   Overcast