Weather History for KNZY - December, 2012

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Sunday, December 16, 2012

  Actual Average (KSAN) Record (KSAN)
Temperature  
Mean Temperature 58 °F 56 °F  
Max Temperature 62 °F 64 °F 84 °F (1980)
Min Temperature 53 °F 48 °F 38 °F (1892)
Degree Days  
Heating Degree Days 8 9  
Month to date heating degree days 130  
Since 1 July heating degree days 275  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 720  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 72    
Maximum Humidity 88    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in 0.05 in 1.36 in (1987)
Month to date precipitation 0.71  
Year to date precipitation 9.52  
Since 1 July precipitation 2.49  
Snow  
Snow 0.00 in - - ()
Month to date snowfall  
Year to date snowfall  
Since 1 July snowfall  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 7 mph (SE)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 16, 2012 Rise Set
Actual Time 6:44 AM PST 4:45 PM PST
Civil Twilight 6:17 AM PST 5:12 PM PST
Nautical Twilight 5:46 AM PST 5:43 PM PST
Astronomical Twilight 5:16 AM PST 6:13 PM PST
Moon 9:30 AM PST (12/16) 8:53 PM PST (12/16)
Length of Visible Light 10h 55m
Length of Day
10h 00m
Waxing Crescent, 17% of the Moon is Illuminated
Dec 16
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM - - N/A% - - North - - N/A   Unknown
12:52 AM 59.0 °F 46.0 °F 62% 30.11 in 10.0 mi NNW 8.1 mph - N/A   Overcast
1:44 AM 57.2 °F 44.6 °F 63% 30.13 in 10.0 mi NW 15.0 mph - 0.00 in Rain Light Rain
1:52 AM 57.0 °F 45.0 °F 64% 30.12 in 10.0 mi NNW 6.9 mph 19.6 mph 0.00 in   Overcast
2:52 AM 57.0 °F 45.0 °F 64% 30.12 in 10.0 mi ESE 4.6 mph - N/A   Overcast
3:52 AM 55.0 °F 46.0 °F 72% 30.11 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
4:52 AM 54.0 °F 46.0 °F 75% 30.12 in 10.0 mi ESE 6.9 mph - 0.00 in Rain Light Rain
5:18 AM 55.4 °F 46.4 °F 72% 30.12 in 10.0 mi SSE 3.5 mph - 0.00 in   Overcast
5:52 AM 55.9 °F 46.9 °F 72% 30.13 in 10.0 mi NE 8.1 mph - 0.00 in   Mostly Cloudy
6:52 AM 53.1 °F 46.0 °F 77% 30.14 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
7:52 AM 55.9 °F 48.0 °F 75% 30.16 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
8:52 AM 57.9 °F 46.9 °F 67% 30.17 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
9:52 AM 61.0 °F 48.0 °F 62% 30.18 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
10:52 AM 62.1 °F 46.9 °F 58% 30.17 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
11:52 AM 61.0 °F 48.0 °F 62% 30.15 in 10.0 mi South 5.8 mph - N/A   Overcast
12:52 PM 62.1 °F 48.0 °F 60% 30.14 in 10.0 mi South 5.8 mph - N/A   Overcast
1:52 PM 62.1 °F 48.0 °F 60% 30.12 in 10.0 mi South 5.8 mph - N/A   Overcast
2:52 PM 61.0 °F 48.9 °F 64% 30.11 in 10.0 mi South 9.2 mph - N/A   Overcast
3:52 PM 59.0 °F 48.9 °F 69% 30.11 in 7.0 mi SSE 9.2 mph - N/A   Overcast
4:52 PM 57.9 °F 50.0 °F 75% 30.12 in 7.0 mi SE 6.9 mph - N/A   Overcast
5:52 PM 57.9 °F 51.1 °F 78% 30.12 in 7.0 mi SE 6.9 mph - N/A   Overcast
6:52 PM 57.9 °F 52.0 °F 81% 30.13 in 7.0 mi ESE 3.5 mph - N/A   Overcast
7:52 PM 57.9 °F 52.0 °F 81% 30.15 in 7.0 mi Calm Calm - N/A   Overcast
8:52 PM 57.9 °F 52.0 °F 81% 30.15 in 7.0 mi ESE 10.4 mph - N/A   Overcast
9:52 PM 57.0 °F 53.1 °F 87% 30.15 in 7.0 mi SE 9.2 mph - N/A   Overcast
10:05 PM 57.2 °F 53.6 °F 88% 30.15 in 4.0 mi ESE 6.9 mph - 0.00 in   Light Drizzle
10:52 PM 57.9 °F 54.0 °F 87% 30.15 in 6.0 mi East 4.6 mph - 0.00 in   Mostly Cloudy
11:52 PM 57.9 °F 54.0 °F 87% 30.15 in 7.0 mi SE 6.9 mph - 0.00 in   Light Drizzle