Weather History for Hayward, CA

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Sunday, December 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 46 °F 49 °F  
Max Temperature 53 °F 57 °F 63 °F (2013)
Min Temperature 38 °F 42 °F 35 °F (2010)
Degree Days  
Heating Degree Days 19    
Month to date heating degree days 418  
Since 1 July heating degree days 846  
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 72    
Maximum Humidity 85    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - 0.74 in (2001)
Month to date precipitation 2.87  
Year to date precipitation 15.10  
Since 1 July precipitation 5.98  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 3 mph (North)    
Max Wind Speed 13 mph    
Max Gust Speed 14 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 7:23 AM PST 4:59 PM PST
Civil Twilight 6:54 AM PST 5:28 PM PST
Nautical Twilight 6:21 AM PST 6:01 PM PST
Astronomical Twilight 5:49 AM PST 6:33 PM PST
Moon 7:32 PM PST (12/30) 8:38 AM PST (12/30)
Length of Visible Light 10h 34m
Length of Day
9h 36m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
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 39.0 °F 34.8 °F 35.1 °F 86% 30.11 in 10.0 mi ENE 5.8 mph - N/A   Clear
1:54 AM 39.0 °F 35.7 °F 35.1 °F 86% 30.11 in 10.0 mi ENE 4.6 mph - N/A   Clear
2:54 AM 39.9 °F 37.8 °F 35.1 °F 83% 30.11 in 10.0 mi NE 3.5 mph - N/A   Clear
3:54 AM 39.9 °F 37.8 °F 35.1 °F 83% 30.09 in 10.0 mi East 3.5 mph - N/A   Clear
4:54 AM 39.0 °F - 35.1 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 39.0 °F - 35.1 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Clear
6:40 AM 39.2 °F - 35.6 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:54 AM 39.0 °F - 35.1 °F 86% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
7:47 AM 39.2 °F 37.0 °F 35.6 °F 87% 30.08 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
7:54 AM 39.0 °F 35.7 °F 35.1 °F 86% 30.12 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
8:54 AM 42.1 °F - 37.0 °F 82% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 45.0 °F 43.5 °F 37.9 °F 76% 30.15 in 10.0 mi SW 3.5 mph - N/A   Clear
10:54 AM 48.9 °F - 39.0 °F 69% 30.15 in 10.0 mi WSW 3.5 mph - N/A   Clear
11:54 AM 48.9 °F - 39.9 °F 71% 30.13 in 10.0 mi West 6.9 mph - N/A   Clear
12:54 PM 50.0 °F - 41.0 °F 71% 30.10 in 10.0 mi WNW 6.9 mph - N/A   Clear
1:54 PM 52.0 °F - 39.0 °F 61% 30.09 in 10.0 mi WNW 9.2 mph - N/A   Clear
2:54 PM 52.0 °F - 39.9 °F 63% 30.10 in 10.0 mi WNW 9.2 mph - N/A   Clear
3:54 PM 53.1 °F - 39.9 °F 61% 30.11 in 10.0 mi West 4.6 mph - N/A   Clear
4:54 PM 51.1 °F - 37.9 °F 61% 30.10 in 10.0 mi West 3.5 mph - N/A   Clear
5:54 PM 48.9 °F - 42.1 °F 77% 30.12 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 46.9 °F - 39.0 °F 74% 30.14 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 43.0 °F - 34.0 °F 71% 30.15 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 42.1 °F - 34.0 °F 73% 30.16 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 41.0 °F 39.0 °F 33.1 °F 73% 30.19 in 10.0 mi East 3.5 mph - N/A   Clear
10:54 PM 39.9 °F - 32.0 °F 73% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 39.0 °F 34.8 °F 32.0 °F 76% 30.21 in 10.0 mi ENE 5.8 mph - N/A   Clear