Weather History for Los Angeles, CA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 56 °F  
Max Temperature 59 °F 64 °F 79 °F (1963)
Min Temperature 41 °F 48 °F 35 °F (1947)
Degree Days  
Heating Degree Days 15 9  
Month to date heating degree days 255 264  
Since 1 July heating degree days 359 442  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 1  
Year to date cooling degree days 735 551  
Moisture  
Dew Point 37 °F    
Average Humidity 60    
Maximum Humidity 76    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.09 in 0.75 in (2004)
Month to date precipitation 2.82 2.05  
Year to date precipitation 8.89 12.82  
Since 1 July precipitation 4.28 4.01  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 5 mph (SE)    
Max Wind Speed 13 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 6:58 AM PST 4:55 PM PST
Civil Twilight 6:31 AM PST 5:22 PM PST
Nautical Twilight 5:59 AM PST 5:53 PM PST
Astronomical Twilight 5:29 AM PST 6:24 PM PST
Moon 8:20 PM PST (12/31) 8:52 AM PST (12/31)
Length of Visible Light 10h 51m
Length of Day
9h 56m
Waning Gibbous, 89% of the Moon is Illuminated
Dec 31
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
12:53 AM 52.0 °F - 30.9 °F 45% 30.07 in 10.0 mi NNW 9.2 mph - N/A   Clear
1:53 AM 50.0 °F - 30.0 °F 46% 30.09 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 46.9 °F - 32.0 °F 56% 30.12 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:53 AM 45.0 °F - 35.1 °F 68% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 42.1 °F 39.2 °F 35.1 °F 76% 30.14 in 10.0 mi SE 4.6 mph - N/A   Clear
5:53 AM 42.1 °F - 36.0 °F 79% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 43.0 °F 39.5 °F 36.0 °F 76% 30.16 in 10.0 mi ESE 5.8 mph - N/A Fog Shallow Fog
7:53 AM 45.0 °F 42.6 °F 34.0 °F 65% 30.19 in 10.0 mi SSE 4.6 mph - N/A Fog Shallow Fog
8:53 AM 48.9 °F - 36.0 °F 61% 30.22 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
9:53 AM 53.1 °F - 35.1 °F 50% 30.23 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
10:53 AM 54.0 °F - 39.0 °F 57% 30.22 in 10.0 mi SE 8.1 mph - N/A   Scattered Clouds
11:53 AM 57.0 °F - 37.0 °F 47% 30.21 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
12:53 PM 57.0 °F - 39.9 °F 53% 30.19 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
1:53 PM 57.0 °F - 43.0 °F 59% 30.18 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
2:53 PM 57.0 °F - 42.1 °F 57% 30.19 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
3:53 PM 55.9 °F - 39.0 °F 53% 30.20 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
4:53 PM 54.0 °F - 39.9 °F 59% 30.21 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
5:53 PM 53.1 °F - 41.0 °F 64% 30.21 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
6:53 PM 53.1 °F - 37.0 °F 55% 30.21 in 10.0 mi SW 4.6 mph - N/A   Clear
7:53 PM 54.0 °F - 39.0 °F 57% 30.23 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
8:53 PM 51.1 °F - 39.0 °F 63% 30.24 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
9:53 PM 50.0 °F - 39.9 °F 68% 30.24 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
10:53 PM 50.0 °F - 41.0 °F 71% 30.25 in 9.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
11:53 PM 48.0 °F - 39.0 °F 71% 30.24 in 10.0 mi East 4.6 mph - N/A   Overcast