Weather History for Jacksonville, FL

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Tuesday, December 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 55 °F  
Max Temperature 72 °F 66 °F 81 °F (1961)
Min Temperature 44 °F 43 °F 25 °F (1988)
Degree Days  
Heating Degree Days 7 11  
Month to date heating degree days 56 169  
Since 1 July heating degree days 304 342  
Cooling Degree Days 0 1  
Month to date cooling degree days 17 18  
Year to date cooling degree days 2760 2662  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 67    
Maximum Humidity 100    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.10 in 1.54 in (1891)
Month to date precipitation 1.28 1.59  
Year to date precipitation 52.38 51.18  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2001)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:18 AM EST 5:29 PM EST
Civil Twilight 6:51 AM EST 5:55 PM EST
Nautical Twilight 6:21 AM EST 6:25 PM EST
Astronomical Twilight 5:52 AM EST 6:55 PM EST
Moon 11:19 AM EST (12/18) 11:29 PM EST (12/18)
Length of Visible Light 11h 03m
Length of Day
10h 10m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:39 AM 64.4 °F - 62.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
12:56 AM 63.0 °F - 62.1 °F 97% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
1:56 AM 62.1 °F - 61.0 °F 96% 29.84 in 6.0 mi SSW 3.5 mph - N/A   Overcast
2:11 AM 60.8 °F - 60.8 °F 100% 29.84 in 7.0 mi South 4.6 mph - N/A   Overcast
2:56 AM 64.0 °F - 63.0 °F 96% 29.85 in 7.0 mi SSW 5.8 mph - N/A   Overcast
3:56 AM 64.9 °F - 64.0 °F 97% 29.85 in 8.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
4:56 AM 64.9 °F - 63.0 °F 93% 29.84 in 10.0 mi SSW 8.1 mph - N/A   Overcast
5:56 AM 64.0 °F - 62.1 °F 93% 29.87 in 9.0 mi SW 6.9 mph - N/A   Scattered Clouds
6:56 AM 63.0 °F - 62.1 °F 97% 29.87 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:56 AM 63.0 °F - 61.0 °F 93% 29.91 in 8.0 mi West 9.2 mph - N/A   Scattered Clouds
8:09 AM 62.6 °F - 60.8 °F 94% 29.91 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
8:40 AM 62.6 °F - 60.8 °F 94% 29.92 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
8:56 AM 63.0 °F - 59.0 °F 87% 29.92 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
9:33 AM 64.4 °F - 57.2 °F 77% 29.94 in 10.0 mi WNW 13.8 mph 20.7 mph N/A   Mostly Cloudy
9:56 AM 64.0 °F - 57.9 °F 80% 29.96 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
10:12 AM 66.2 °F - 57.2 °F 73% 29.96 in 10.0 mi West 17.3 mph - N/A   Scattered Clouds
10:56 AM 66.9 °F - 55.9 °F 68% 29.97 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
11:56 AM 69.1 °F - 51.1 °F 53% 29.94 in 10.0 mi WNW 18.4 mph - N/A   Partly Cloudy
12:56 PM 71.1 °F - 48.0 °F 44% 29.93 in 10.0 mi West 16.1 mph 23.0 mph N/A   Partly Cloudy
1:56 PM 71.1 °F - 44.1 °F 38% 29.92 in 10.0 mi WNW 15.0 mph 25.3 mph N/A   Clear
2:56 PM 72.0 °F - 41.0 °F 33% 29.92 in 10.0 mi WNW 12.7 mph - N/A   Clear
3:56 PM 71.1 °F - 42.1 °F 35% 29.94 in 10.0 mi WNW 8.1 mph 18.4 mph N/A   Clear
4:56 PM 66.9 °F - 42.1 °F 40% 29.96 in 10.0 mi WNW 6.9 mph - N/A   Clear
5:56 PM 61.0 °F - 44.1 °F 54% 29.98 in 10.0 mi WNW 3.5 mph - N/A   Clear
6:56 PM 54.0 °F - 46.0 °F 75% 30.00 in 10.0 mi NW 4.6 mph - N/A   Clear
7:56 PM 51.1 °F - 45.0 °F 80% 30.01 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 50.0 °F - 44.1 °F 80% 30.02 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 46.0 °F 44.8 °F 43.0 °F 89% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
10:56 PM 46.0 °F - 42.1 °F 86% 30.04 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 44.1 °F - 42.1 °F 93% 30.05 in 10.0 mi Calm Calm - N/A   Clear