Weather History for Los Angeles Downtown, CA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 58 °F  
Max Temperature 60 °F 68 °F 86 °F (1897)
Min Temperature 39 °F 47 °F 36 °F (1882)
Degree Days  
Heating Degree Days 15 8  
Month to date heating degree days 233 237  
Since 1 July heating degree days 311 365  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 4  
Year to date cooling degree days 1315 1244  
Moisture  
Dew Point 36 °F    
Average Humidity 59    
Maximum Humidity 85    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.10 in 4.86 in (1933)
Month to date precipitation 2.16 2.33  
Year to date precipitation 8.15 14.93  
Since 1 July precipitation 3.22 4.32  
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 1 mph (North)    
Max Wind Speed 6 mph    
Max Gust Speed 14 mph    
Visibility 10 miles    
Events      
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 4:54 PM PST
Civil Twilight 6:30 AM PST 5:22 PM PST
Nautical Twilight 5:59 AM PST 5:53 PM PST
Astronomical Twilight 5:29 AM PST 6:23 PM PST
Moon 8:19 PM PST (12/31) 8:51 AM PST (12/31)
Length of Visible Light 10h 51m
Length of Day
9h 55m
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. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:47 AM 48.0 °F 30.0 °F 50% 30.08 in 10.0 mi Calm Calm - N/A   Clear
1:47 AM 48.0 °F 28.9 °F 48% 30.09 in 10.0 mi Calm Calm - N/A   Clear
2:47 AM 44.1 °F 35.1 °F 71% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:47 AM 44.1 °F 35.1 °F 71% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:47 AM 42.1 °F 35.1 °F 76% 30.13 in 10.0 mi Calm Calm - N/A   Clear
5:47 AM 39.9 °F 35.1 °F 83% 30.14 in 10.0 mi Calm Calm - N/A   Clear
6:47 AM 39.9 °F 33.1 °F 77% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:47 AM 42.1 °F 32.0 °F 67% 30.18 in 10.0 mi Calm Calm - N/A   Clear
8:47 AM 48.9 °F 30.9 °F 50% 30.21 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:47 AM 52.0 °F 32.0 °F 47% 30.23 in 10.0 mi ESE 3.5 mph - N/A   Clear
10:47 AM 54.0 °F 37.0 °F 53% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:47 AM 55.9 °F 32.0 °F 40% 30.20 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:47 PM 59.0 °F 30.9 °F 35% 30.18 in 10.0 mi Calm Calm - N/A   Clear
1:47 PM 57.9 °F 30.9 °F 36% 30.17 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:47 PM 59.0 °F 35.1 °F 41% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:47 PM 57.9 °F 39.0 °F 49% 30.18 in 10.0 mi Calm Calm - N/A   Clear
4:47 PM 55.0 °F 39.9 °F 57% 30.20 in 10.0 mi Variable 4.6 mph - N/A   Clear
5:47 PM 52.0 °F 41.0 °F 66% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:47 PM 50.0 °F 39.9 °F 68% 30.21 in 10.0 mi Calm Calm - N/A   Clear
7:47 PM 48.0 °F 39.9 °F 74% 30.23 in 10.0 mi Calm Calm - N/A   Clear
8:47 PM 48.9 °F 41.0 °F 74% 30.23 in 10.0 mi Calm Calm - N/A   Clear
9:47 PM 46.9 °F 39.9 °F 77% 30.24 in 10.0 mi Calm Calm - N/A   Clear
10:47 PM 46.0 °F 39.9 °F 79% 30.25 in 9.0 mi Calm Calm - N/A   Clear
11:47 PM 46.0 °F 39.0 °F 76% 30.25 in 7.0 mi Calm Calm - N/A   Clear