Weather History for San Diego, CA

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F 57 °F  
Max Temperature 63 °F 65 °F 84 °F (1957)
Min Temperature 55 °F 49 °F 35 °F (1960)
Degree Days  
Heating Degree Days 6 8  
Month to date heating degree days 23 69  
Since 1 July heating degree days 117 214  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 899 720  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 73    
Maximum Humidity 80    
Minimum Humidity 65    
Precipitation  
Precipitation 0.00 in 0.05 in 1.53 in (1926)
Month to date precipitation T 0.39  
Year to date precipitation 4.44 9.20  
Since 1 July precipitation 0.98 2.17  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Year to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 9 mph    
Max Gust Speed 12 mph    
Visibility 4 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 6:39 AM PST 4:42 PM PST
Civil Twilight 6:12 AM PST 5:10 PM PST
Nautical Twilight 5:42 AM PST 5:40 PM PST
Astronomical Twilight 5:12 AM PST 6:10 PM PST
Moon 2:27 AM PST (12/9) 1:44 PM PST (12/9)
Length of Visible Light 10h 57m
Length of Day
10h 03m
Waning Crescent, 17% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 57.0 °F 52.0 °F 83% 29.99 in 2.5 mi Calm Calm - N/A   Overcast
1:30 AM 57.2 °F 51.8 °F 82% 30.00 in 3.0 mi NW 3.5 mph - N/A   Overcast
1:51 AM 57.9 °F 52.0 °F 81% 30.01 in 3.0 mi Calm Calm - N/A   Overcast
2:51 AM 57.0 °F 52.0 °F 83% 30.00 in 3.0 mi Calm Calm - N/A   Overcast
3:51 AM 57.0 °F 51.1 °F 81% 30.00 in 4.0 mi South 3.5 mph - N/A   Overcast
4:51 AM 57.0 °F 51.1 °F 81% 30.00 in 3.0 mi ENE 3.5 mph - N/A   Overcast
5:51 AM 57.0 °F 50.0 °F 77% 30.01 in 4.0 mi NE 4.6 mph - N/A   Overcast
6:51 AM 55.0 °F 48.9 °F 80% 30.04 in 3.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
7:42 AM 55.4 °F 48.2 °F 77% 30.04 in 3.0 mi ENE 3.5 mph - N/A   Haze
7:51 AM 55.9 °F 48.9 °F 77% 30.05 in 3.0 mi NE 3.5 mph - N/A   Haze
8:51 AM 57.0 °F 48.9 °F 74% 30.06 in 3.0 mi Calm Calm - N/A   Haze
9:51 AM 59.0 °F 50.0 °F 72% 30.06 in 3.0 mi Calm Calm - N/A   Haze
10:51 AM 61.0 °F 51.1 °F 70% 30.06 in 3.0 mi NNW 8.1 mph - N/A   Haze
11:51 AM 61.0 °F 51.1 °F 70% 30.04 in 4.0 mi WNW 4.6 mph - N/A   Haze
12:51 PM 62.1 °F 51.1 °F 67% 30.02 in 5.0 mi WNW 5.8 mph - N/A   Haze
1:51 PM 62.1 °F 51.1 °F 67% 30.02 in 6.0 mi WNW 5.8 mph - N/A   Haze
2:51 PM 62.1 °F 50.0 °F 65% 30.02 in 6.0 mi WNW 6.9 mph - N/A   Haze
3:51 PM 61.0 °F 51.1 °F 70% 30.04 in 7.0 mi WNW 8.1 mph - N/A   Scattered Clouds
4:51 PM 59.0 °F 52.0 °F 78% 30.06 in 5.0 mi WNW 5.8 mph - N/A   Haze
5:51 PM 59.0 °F 52.0 °F 78% 30.08 in 6.0 mi NW 3.5 mph - N/A   Haze
6:51 PM 57.9 °F 52.0 °F 81% 30.10 in 5.0 mi Calm Calm - N/A   Scattered Clouds
7:51 PM 57.9 °F 51.1 °F 78% 30.10 in 5.0 mi Calm Calm - N/A   Scattered Clouds
8:51 PM 57.0 °F 52.0 °F 83% 30.12 in 4.0 mi Calm Calm - N/A   Scattered Clouds
9:51 PM 55.9 °F 50.0 °F 80% 30.13 in 5.0 mi Calm Calm - N/A   Scattered Clouds
10:51 PM 55.9 °F 50.0 °F 80% 30.14 in 4.0 mi Calm Calm - N/A   Partly Cloudy
11:51 PM 55.0 °F 50.0 °F 83% 30.14 in 4.0 mi North 3.5 mph - N/A   Scattered Clouds