Weather History for KNBC - December, 2011

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Saturday, December 31, 2011

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 71 °F - - ()
Min Temperature 45 °F - - ()
Degree Days  
Heating Degree Days 7    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 68    
Maximum Humidity 88    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 13 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 31, 2011 Rise Set
Actual Time 7:24 AM EST 5:27 PM EST
Civil Twilight 6:57 AM EST 5:54 PM EST
Nautical Twilight 6:26 AM EST 6:25 PM EST
Astronomical Twilight 5:56 AM EST 6:55 PM EST
Moon 11:34 AM EST (12/31) No Moon Set
Length of Visible Light 10h 57m
Length of Day
10h 03m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 31
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 59.0 °F 50.0 °F 72% 30.05 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
1:56 AM 57.9 °F 50.0 °F 75% 30.05 in 10.0 mi South 8.1 mph - N/A   Clear
2:56 AM 57.0 °F 50.0 °F 77% 30.04 in 10.0 mi South 6.9 mph - N/A   Clear
3:56 AM 55.0 °F 50.0 °F 83% 30.04 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
4:56 AM 55.0 °F 51.1 °F 86% 30.04 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
5:08 AM 55.4 °F 51.8 °F 88% 30.03 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
5:56 AM 55.0 °F 50.0 °F 83% 30.05 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:56 AM 54.0 °F 50.0 °F 86% 30.06 in 10.0 mi South 9.2 mph - N/A   Clear
7:56 AM 55.0 °F 51.1 °F 86% 30.09 in 10.0 mi SSW 6.9 mph - N/A   Clear
8:56 AM 57.0 °F 53.1 °F 87% 30.13 in 10.0 mi SW 9.2 mph - N/A   Overcast
9:56 AM 60.1 °F 53.1 °F 78% 30.15 in 10.0 mi WSW 8.1 mph - N/A   Overcast
10:30 AM 60.8 °F 51.8 °F 72% 30.15 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
10:56 AM 62.1 °F 52.0 °F 70% 30.14 in 10.0 mi SSW 8.1 mph - N/A   Clear
11:56 AM 66.0 °F 50.0 °F 56% 30.12 in 10.0 mi SW 8.1 mph - N/A   Clear
12:56 PM 69.1 °F 44.1 °F 40% 30.08 in 10.0 mi SSW 12.7 mph 19.6 mph N/A   Clear
1:56 PM 70.0 °F 39.0 °F 32% 30.07 in 10.0 mi WSW 11.5 mph 18.4 mph N/A   Clear
2:56 PM 71.1 °F 36.0 °F 28% 30.08 in 10.0 mi SW 9.2 mph 18.4 mph N/A   Clear
3:56 PM 70.0 °F 35.1 °F 28% 30.09 in 10.0 mi SW 11.5 mph - N/A   Clear
4:56 PM 66.9 °F 37.0 °F 33% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Clear
5:56 PM 57.9 °F 39.9 °F 51% 30.12 in 10.0 mi SSW 3.5 mph - N/A   Clear
6:56 PM 52.0 °F 39.9 °F 63% 30.14 in 10.0 mi Calm Calm - N/A   Clear
7:56 PM 48.9 °F 39.9 °F 71% 30.15 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 48.0 °F 39.9 °F 74% 30.17 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 46.0 °F 39.0 °F 76% 30.19 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 45.0 °F 39.0 °F 80% 30.19 in 9.0 mi Calm Calm - N/A   Clear
11:56 PM 45.0 °F 39.0 °F 80% 30.19 in 10.0 mi Calm Calm - N/A   Clear