History for Hayward, CA

Thursday, December 27, 2012 — View Current Conditions
Thursday, December 27, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 48 °F 49 °F  
Max Temperature 54 °F 57 °F 66 °F (1999)
Min Temperature 41 °F 42 °F 35 °F (1997)
Degree Days
Heating Degree Days 17    
Month to date heating degree days 362  
Since 1 July heating degree days 790  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 191  
Moisture
Dew Point 39 °F    
Average Humidity 74    
Maximum Humidity 89    
Minimum Humidity 59    
Precipitation
Precipitation 0.00 in - 1.24 in (2004)
Month to date precipitation 2.84  
Year to date precipitation 15.07  
Since 1 July precipitation 5.95  
Sea Level Pressure
Sea Level Pressure 30.17 in    
Wind
Wind Speed 4 mph (NNW)    
Max Wind Speed 10 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
december 2012 mobile tornadoes
Elk at Pierce Pt. Ranch
Part of a huge herd of elk at Pierce Pt. Ranch in Pt. Reyes National Seashore.
Having a little fun - for now
Two of the guys have a fun contest. Not serious at this time of year.
Blue Heron
Blue heron near the Abbotts Lagoon trail at Pt. Reyes National Seashore.
Blue Heron getting ready to fly
Too bad the shot of him taking off hides his head - just not a good look for him.
Foot bridge on the Abbots Lagoon Trail
Pt. Reyes National Seashore. What a beautiful day in December.
Blue Heron and his shadow
Blue heron near the Abbotts Lagoon trail at Pt. Reyes National Seashore.
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Astronomy
May. 25, 2013 Rise Set
Actual Time 7:22 AM PST 4:57 PM PST
Civil Twilight 6:53 AM PST 5:26 PM PST
Nautical Twilight 6:20 AM PST 5:59 PM PST
Astronomical Twilight 5:48 AM PST 6:31 PM PST
Moon 4:44 PM PST (12/27) 6:38 AM PST (12/27)
Length Of Visible Light 10h 33m
Length of Day
9h 34m
Full, 100% of the Moon is Illuminated
Dec 27
Full
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
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Hourly Observations
Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 44.1 °F - 39.9 °F 85% 30.13 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 42.1 °F - 39.9 °F 92% 30.14 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 43.0 °F - 39.9 °F 89% 30.14 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 43.0 °F 41.3 °F 39.0 °F 86% 30.13 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
4:54 AM 43.0 °F - 39.9 °F 89% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:54 AM 43.0 °F - 39.0 °F 86% 30.14 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 43.0 °F - 39.0 °F 86% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 42.1 °F - 39.0 °F 89% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 46.0 °F 44.8 °F 41.0 °F 83% 30.18 in 10.0 mi ENE 3.5 mph - N/A   Clear
9:54 AM 50.0 °F - 39.0 °F 66% 30.19 in 10.0 mi NNW 4.6 mph - N/A   Clear
10:54 AM 51.1 °F - 39.9 °F 66% 30.19 in 10.0 mi WNW 5.8 mph - N/A   Clear
11:54 AM 51.1 °F - 39.9 °F 66% 30.17 in 10.0 mi West 5.8 mph - N/A   Clear
12:54 PM 52.0 °F - 39.9 °F 63% 30.16 in 10.0 mi West 10.4 mph - N/A   Clear
1:54 PM 53.1 °F - 39.0 °F 59% 30.15 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:54 PM 53.1 °F - 39.0 °F 59% 30.15 in 10.0 mi WNW 8.1 mph - N/A   Clear
3:54 PM 53.1 °F - 39.9 °F 61% 30.15 in 10.0 mi West 5.8 mph - N/A   Clear
4:54 PM 51.1 °F - 41.0 °F 68% 30.16 in 10.0 mi West 3.5 mph - N/A   Clear
5:54 PM 48.0 °F - 41.0 °F 77% 30.17 in 10.0 mi WNW 3.5 mph - N/A   Clear
6:54 PM 46.9 °F - 39.9 °F 77% 30.18 in 10.0 mi East 3.5 mph - N/A   Clear
7:54 PM 45.0 °F 41.8 °F 37.9 °F 76% 30.18 in 10.0 mi ENE 5.8 mph - N/A   Clear
8:54 PM 44.1 °F 40.8 °F 37.9 °F 79% 30.19 in 10.0 mi ENE 5.8 mph - N/A   Clear
9:54 PM 43.0 °F 39.5 °F 37.0 °F 80% 30.20 in 10.0 mi ENE 5.8 mph - N/A   Clear
10:54 PM 42.1 °F - 37.0 °F 82% 30.21 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 42.1 °F 39.2 °F 37.0 °F 82% 30.21 in 10.0 mi ENE 4.6 mph - N/A   Clear
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