History for Hayward, CA

Tuesday, December 4, 2012 — View Current Conditions
Tuesday, December 4, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 56 °F 51 °F  
Max Temperature 61 °F 59 °F 64 °F (2000)
Min Temperature 50 °F 44 °F 35 °F (2004)
Degree Days
Heating Degree Days 9    
Month to date heating degree days 34  
Since 1 July heating degree days 462  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 191  
Growing Degree Days 6 (Base 50)    
Moisture
Dew Point 49 °F    
Average Humidity 75    
Maximum Humidity 89    
Minimum Humidity 60    
Precipitation
Precipitation 0.00 in - 0.20 in (2007)
Month to date precipitation 0.57  
Year to date precipitation 12.80  
Since 1 July precipitation 3.68  
Sea Level Pressure
Sea Level Pressure 30.21 in    
Wind
Wind Speed 4 mph (SE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Radar Archive
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Local Photos
No rain....
but these clouds looked really interesting, reminding me of a wasp nest.
Dec. 4th in Sunnyvale
San Francisco Coast
The clouds blowing in from the Pacific in front of the system that came through Tuesday night and Wednesday were awesome.
Flaming flower
Flower in the Master Gardeners' Earth-friendly plantings at Quarry Lakes. I don't know what this is called, but it sure brightened a gray day.
Crocosmia
Flower in the Master Gardeners' Earth-friendly plantings at Quarry Lakes. A big thank-you to ChrisAnthemum for identifying the plant for me!
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Astronomy
May. 19, 2013 Rise Set
Actual Time 7:08 AM PST 4:49 PM PST
Civil Twilight 6:39 AM PST 5:18 PM PST
Nautical Twilight 6:06 AM PST 5:51 PM PST
Astronomical Twilight 5:34 AM PST 6:23 PM PST
Moon 10:38 PM PST (12/4) 11:08 AM PST (12/4)
Length Of Visible Light 10h 39m
Length of Day
9h 41m
Waning Gibbous, 68% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
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Hourly Observations
Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 50.0 °F 46.9 °F 89% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:54 AM 51.1 °F 48.0 °F 89% 30.24 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:54 AM 52.0 °F 48.0 °F 86% 30.22 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:54 AM 53.1 °F 48.9 °F 86% 30.22 in 10.0 mi ENE 5.8 mph - N/A   Clear
5:54 AM 53.1 °F 48.0 °F 83% 30.23 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 53.1 °F 48.9 °F 86% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 53.1 °F 50.0 °F 89% 30.25 in 9.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 55.0 °F 50.0 °F 83% 30.25 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 55.9 °F 50.0 °F 80% 30.26 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
10:54 AM 57.9 °F 51.1 °F 78% 30.25 in 10.0 mi SE 4.6 mph - N/A   Clear
11:54 AM 59.0 °F 51.1 °F 75% 30.23 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 59.0 °F 53.1 °F 81% 30.22 in 10.0 mi Calm Calm - N/A   Overcast
1:54 PM 60.1 °F 53.1 °F 78% 30.20 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
2:54 PM 61.0 °F 50.0 °F 67% 30.21 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:54 PM 61.0 °F 51.1 °F 70% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
4:54 PM 60.1 °F 50.0 °F 69% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
5:54 PM 60.1 °F 52.0 °F 75% 30.21 in 10.0 mi ESE 4.6 mph - N/A   Overcast
6:54 PM 61.0 °F 46.0 °F 58% 30.21 in 10.0 mi SSE 10.4 mph - N/A   Overcast
7:54 PM 60.1 °F 48.0 °F 64% 30.21 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
8:31 PM 60.8 °F 46.4 °F 59% 30.18 in 10.0 mi SSE 9.2 mph - N/A   Overcast
8:54 PM 60.1 °F 46.0 °F 60% 30.20 in 10.0 mi SSE 10.4 mph - N/A   Overcast
9:24 PM 60.8 °F 46.4 °F 59% 30.17 in 10.0 mi SE 8.1 mph - N/A   Overcast
9:31 PM 60.8 °F 46.4 °F 59% 30.17 in 10.0 mi SSE 10.4 mph - N/A   Overcast
9:54 PM 60.1 °F 46.9 °F 62% 30.20 in 10.0 mi SSE 8.1 mph - N/A   Overcast
10:12 PM 60.8 °F 46.4 °F 59% 30.16 in 10.0 mi SSE 10.4 mph - N/A   Overcast
10:54 PM 60.1 °F 46.9 °F 62% 30.19 in 10.0 mi SE 11.5 mph - N/A   Overcast
11:10 PM 60.8 °F 46.4 °F 59% 30.15 in 10.0 mi SSE 10.4 mph - N/A   Overcast
11:54 PM 61.0 °F 48.0 °F 62% 30.18 in 10.0 mi SSE 8.1 mph - N/A   Overcast
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