Weather History for Hayward, CA

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Saturday, December 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 48 °F 49 °F  
Max Temperature 56 °F 57 °F 70 °F (2013)
Min Temperature 40 °F 42 °F 35 °F (2006)
Degree Days  
Heating Degree Days 17    
Month to date heating degree days 399  
Since 1 July heating degree days 827  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 191  
Moisture  
Dew Point 38 °F    
Average Humidity 66    
Maximum Humidity 89    
Minimum Humidity 43    
Precipitation  
Precipitation 0.03 in - 1.60 in (2003)
Month to date precipitation 2.87  
Year to date precipitation 15.10  
Since 1 July precipitation 5.98  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 7 mph (NE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 9 miles    
Events Rain    
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

Dec. 29, 2012 Rise Set
Actual Time 7:23 AM PST 4:58 PM PST
Civil Twilight 6:53 AM PST 5:28 PM PST
Nautical Twilight 6:21 AM PST 6:00 PM PST
Astronomical Twilight 5:49 AM PST 6:32 PM PST
Moon 6:34 PM PST (12/29) 8:01 AM PST (12/29)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 45.0 °F 39.7 °F 41.0 °F 86% 30.07 in 4.0 mi NE 10.4 mph - 0.03 in Rain Light Rain
1:54 AM 44.1 °F 38.6 °F 39.9 °F 85% 30.06 in 7.0 mi NE 10.4 mph - 0.00 in Rain Light Rain
2:54 AM 44.1 °F 38.1 °F 39.9 °F 85% 30.06 in 7.0 mi NE 11.5 mph - 0.00 in Rain Light Rain
4:54 AM 44.1 °F 38.6 °F 39.9 °F 85% 30.04 in 8.0 mi NE 10.4 mph - 0.00 in Rain Light Rain
5:54 AM 44.1 °F 38.6 °F 39.0 °F 82% 30.04 in 10.0 mi NE 10.4 mph - 0.00 in   Overcast
6:54 AM 44.1 °F 40.1 °F 39.0 °F 82% 30.05 in 10.0 mi NE 6.9 mph - N/A   Overcast
7:54 AM 44.1 °F 40.1 °F 39.0 °F 82% 30.07 in 10.0 mi ENE 6.9 mph - N/A   Overcast
8:54 AM 46.0 °F 41.9 °F 39.0 °F 76% 30.08 in 10.0 mi NE 8.1 mph - N/A   Overcast
9:54 AM 46.0 °F 43.1 °F 39.0 °F 76% 30.09 in 10.0 mi East 5.8 mph - 0.00 in   Overcast
10:54 AM 48.0 °F - 39.0 °F 71% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:54 AM 50.0 °F - 41.0 °F 71% 30.06 in 10.0 mi ENE 9.2 mph - N/A   Overcast
12:54 PM 51.1 °F - 41.0 °F 68% 30.05 in 10.0 mi East 4.6 mph - N/A   Overcast
1:54 PM 55.0 °F - 37.0 °F 51% 30.05 in 10.0 mi North 9.2 mph - N/A   Overcast
4:54 PM 53.1 °F - 34.0 °F 48% 30.06 in 10.0 mi NNE 5.8 mph - N/A   Clear
5:54 PM 48.9 °F - 36.0 °F 61% 30.06 in 10.0 mi ENE 5.8 mph - N/A   Clear
6:54 PM 46.9 °F - 37.0 °F 68% 30.07 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 46.0 °F 44.8 °F 37.0 °F 71% 30.10 in 10.0 mi NE 3.5 mph - N/A   Clear
8:54 PM 43.0 °F 40.3 °F 36.0 °F 76% 30.11 in 10.0 mi NE 4.6 mph - N/A   Clear
10:54 PM 41.0 °F - 35.1 °F 79% 30.12 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 39.9 °F 36.7 °F 35.1 °F 83% 30.12 in 10.0 mi ENE 4.6 mph - N/A   Clear