Weather History for Hayward, CA

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Thursday, December 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 47 °F 50 °F  
Max Temperature 55 °F 57 °F 63 °F (2004)
Min Temperature 39 °F 43 °F 36 °F (2007)
Degree Days  
Heating Degree Days 18    
Month to date heating degree days 137  
Since 1 July heating degree days 565  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 191  
Moisture  
Dew Point 37 °F    
Average Humidity 68    
Maximum Humidity 92    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in - 1.53 in (2002)
Month to date precipitation 1.08  
Year to date precipitation 13.31  
Since 1 July precipitation 4.19  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 4 mph (ENE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 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. 13, 2012 Rise Set
Actual Time 7:15 AM PST 4:50 PM PST
Civil Twilight 6:46 AM PST 5:19 PM PST
Nautical Twilight 6:13 AM PST 5:52 PM PST
Astronomical Twilight 5:41 AM PST 6:24 PM PST
Moon 7:29 AM PST (12/13) 5:38 PM PST (12/13)
Length of Visible Light 10h 33m
Length of Day
9h 35m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 42.1 °F 40.2 °F 37.9 °F 85% 29.93 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
1:54 AM 42.1 °F 39.2 °F 37.9 °F 85% 29.93 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
2:54 AM 41.0 °F 36.4 °F 37.0 °F 86% 29.93 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
3:54 AM 41.0 °F 39.0 °F 37.0 °F 86% 29.92 in 10.0 mi East 3.5 mph - N/A   Clear
4:54 AM 39.9 °F 35.8 °F 37.0 °F 89% 29.92 in 10.0 mi ENE 5.8 mph - N/A   Clear
5:54 AM 39.9 °F - 37.0 °F 89% 29.93 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 41.0 °F 39.0 °F 37.0 °F 86% 29.94 in 10.0 mi NE 3.5 mph - N/A   Clear
7:54 AM 42.1 °F 40.2 °F 37.0 °F 82% 29.96 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
8:54 AM 46.0 °F - 39.0 °F 76% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:54 AM 48.9 °F - 39.9 °F 71% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:54 AM 50.0 °F - 39.9 °F 68% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:54 AM 53.1 °F - 41.0 °F 64% 29.92 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:54 PM 53.1 °F - 39.9 °F 61% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 PM 54.0 °F - 36.0 °F 51% 29.89 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
5:54 PM 48.0 °F - 35.1 °F 61% 29.89 in 10.0 mi NW 4.6 mph - N/A   Clear
6:54 PM 46.0 °F 42.5 °F 36.0 °F 68% 29.90 in 10.0 mi ENE 6.9 mph - N/A   Clear
7:54 PM 44.1 °F 40.8 °F 35.1 °F 71% 29.90 in 10.0 mi ENE 5.8 mph - N/A   Clear
8:54 PM 43.0 °F 39.5 °F 35.1 °F 74% 29.90 in 10.0 mi ENE 5.8 mph - N/A   Clear
9:54 PM 42.1 °F 39.2 °F 34.0 °F 73% 29.91 in 10.0 mi ENE 4.6 mph - N/A   Clear
10:54 PM 41.0 °F - 34.0 °F 76% 29.91 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 39.9 °F 36.7 °F 34.0 °F 79% 29.90 in 10.0 mi East 4.6 mph - N/A   Clear