Weather History for Jacksonville, FL

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 53 °F  
Max Temperature 67 °F 65 °F 82 °F (1973)
Min Temperature 32 °F 42 °F 19 °F (1917)
Degree Days  
Heating Degree Days 15 12  
Month to date heating degree days 228 322  
Since 1 July heating degree days 476 496  
Cooling Degree Days 0 0  
Month to date cooling degree days 17 21  
Year to date cooling degree days 2760 2665  
Moisture  
Dew Point 41 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in 0.09 in 1.83 in (1963)
Month to date precipitation 2.31 2.80  
Year to date precipitation 53.41 52.39  
Snow  
Snow 0.00 in 0.00 in T in (1917)
Month to date snowfall 0.0 T  
Since 1 July snowfall 0.0 T  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.32 in    
Wind  
Wind Speed 3 mph (NNE)    
Max Wind Speed 9 mph    
Max Gust Speed 14 mph    
Visibility 9 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 7:23 AM EST 5:36 PM EST
Civil Twilight 6:57 AM EST 6:03 PM EST
Nautical Twilight 6:27 AM EST 6:32 PM EST
Astronomical Twilight 5:57 AM EST 7:02 PM EST
Moon 8:50 PM EST (12/31) 9:17 AM EST (12/31)
Length of Visible Light 11h 05m
Length of Day
10h 12m
Waning Gibbous, 90% 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 (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 33.1 °F 30.0 °F 30.9 °F 92% 30.38 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
1:42 AM 37.4 °F 34.9 °F 33.8 °F 87% 30.38 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
1:56 AM 37.9 °F - 34.0 °F 86% 30.38 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:56 AM 37.9 °F 32.1 °F 34.0 °F 86% 30.39 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
3:56 AM 36.0 °F - 33.1 °F 89% 30.36 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 37.0 °F 32.4 °F 33.1 °F 86% 30.37 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
5:56 AM 36.0 °F - 32.0 °F 86% 30.36 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 AM 36.0 °F 33.3 °F 32.0 °F 86% 30.37 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
7:56 AM 39.0 °F 36.8 °F 32.0 °F 76% 30.38 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
8:56 AM 44.6 °F 42.2 °F 35.6 °F 71% 30.41 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
9:56 AM 51.1 °F - 37.9 °F 61% 30.40 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
10:56 AM 55.9 °F - 42.1 °F 60% 30.38 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
11:56 AM 59.0 °F - 45.0 °F 60% 30.35 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 PM 63.0 °F - 48.0 °F 58% 30.31 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 PM 66.0 °F - 48.9 °F 54% 30.28 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
2:56 PM 66.0 °F - 48.9 °F 54% 30.26 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:56 PM 64.0 °F - 50.0 °F 60% 30.25 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
4:56 PM 59.0 °F - 50.0 °F 72% 30.25 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
5:56 PM 55.0 °F - 50.0 °F 83% 30.26 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
6:56 PM 53.1 °F - 48.9 °F 86% 30.25 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
7:56 PM 48.9 °F - 48.0 °F 97% 30.25 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 PM 48.0 °F - 46.0 °F 93% 30.25 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 PM 48.0 °F - 46.0 °F 93% 30.25 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
10:46 PM 46.4 °F - 44.6 °F 93% 30.26 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 PM 46.9 °F - 45.0 °F 93% 30.25 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 PM 46.9 °F - 46.0 °F 97% 30.23 in 6.0 mi Calm Calm - N/A   Mostly Cloudy