Weather History for Hayward, CA

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 50 °F  
Max Temperature 56 °F 58 °F 61 °F (2010)
Min Temperature 43 °F 43 °F 34 °F (2013)
Degree Days  
Heating Degree Days 15    
Month to date heating degree days 119  
Since 1 July heating degree days 547  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 191  
Moisture  
Dew Point 43 °F    
Average Humidity 74    
Maximum Humidity 89    
Minimum Humidity 59    
Precipitation  
Precipitation 0.04 in - 1.34 in (2006)
Month to date precipitation 1.08  
Year to date precipitation 13.31  
Since 1 July precipitation 4.19  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 9 miles    
Events Rain    
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. 12, 2012 Rise Set
Actual Time 7:14 AM PST 4:50 PM PST
Civil Twilight 6:45 AM PST 5:19 PM PST
Nautical Twilight 6:12 AM PST 5:52 PM PST
Astronomical Twilight 5:40 AM PST 6:24 PM PST
Moon 6:25 AM PST (12/12) 4:32 PM PST (12/12)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
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 52.0 °F - 48.0 °F 86% 29.90 in 6.0 mi SSW 8.1 mph - 0.00 in Rain Light Rain
1:09 AM 51.8 °F - 48.2 °F 88% 29.86 in 2.5 mi SSW 11.5 mph - 0.02 in Rain Light Rain
1:17 AM 51.8 °F - 48.2 °F 88% 29.86 in 6.0 mi SW 9.2 mph - 0.02 in Rain Light Rain
1:54 AM 51.1 °F - 48.9 °F 92% 29.88 in 8.0 mi South 8.1 mph - 0.02 in Rain Light Rain
2:49 AM 51.8 °F - 48.2 °F 88% 29.84 in 10.0 mi SSE 6.9 mph - 0.00 in   Overcast
2:54 AM 51.1 °F - 48.9 °F 92% 29.87 in 9.0 mi South 6.9 mph - 0.00 in   Overcast
3:54 AM 51.1 °F - 48.9 °F 92% 29.87 in 10.0 mi South 5.8 mph - 0.01 in   Overcast
4:25 AM 51.8 °F - 44.6 °F 76% 29.84 in 10.0 mi West 8.1 mph - 0.00 in Rain Light Rain
4:54 AM 51.1 °F - 45.0 °F 80% 29.87 in 10.0 mi NNW 3.5 mph - 0.00 in   Overcast
5:54 AM 50.0 °F - 44.1 °F 80% 29.88 in 9.0 mi NW 10.4 mph - 0.00 in Rain Light Rain
6:54 AM 48.9 °F - 43.0 °F 80% 29.89 in 10.0 mi WNW 6.9 mph - 0.01 in   Overcast
7:54 AM 50.0 °F - 42.1 °F 74% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 50.0 °F - 45.0 °F 83% 29.93 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:54 AM 52.0 °F - 41.0 °F 66% 29.94 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
10:54 AM 54.0 °F - 42.1 °F 64% 29.93 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
11:54 AM 54.0 °F - 41.0 °F 62% 29.92 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
12:54 PM 55.0 °F - 41.0 °F 59% 29.91 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
1:54 PM 55.0 °F - 41.0 °F 59% 29.90 in 10.0 mi WNW 10.4 mph - N/A   Clear
2:54 PM 54.0 °F - 39.0 °F 57% 29.90 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
4:54 PM 51.1 °F - 39.9 °F 66% 29.89 in 10.0 mi West 8.1 mph - N/A   Clear
5:54 PM 50.0 °F - 39.9 °F 68% 29.90 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
6:54 PM 50.0 °F - 39.0 °F 66% 29.90 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
7:54 PM 48.9 °F - 39.9 °F 71% 29.91 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:54 PM 46.9 °F - 39.9 °F 77% 29.91 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 45.0 °F 43.5 °F 39.0 °F 80% 29.92 in 10.0 mi East 3.5 mph - N/A   Clear
10:54 PM 43.0 °F 41.3 °F 39.0 °F 86% 29.93 in 10.0 mi ENE 3.5 mph - N/A   Clear
11:54 PM 43.0 °F 40.3 °F 37.9 °F 82% 29.93 in 10.0 mi ENE 4.6 mph - N/A   Clear