Weather History for Jacksonville, FL

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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 54 °F  
Max Temperature 60 °F 66 °F 83 °F (2013)
Min Temperature 37 °F 43 °F 20 °F (1901)
Degree Days  
Heating Degree Days 16 11  
Month to date heating degree days 86 202  
Since 1 July heating degree days 334 375  
Cooling Degree Days 0 1  
Month to date cooling degree days 17 21  
Year to date cooling degree days 2760 2665  
Moisture  
Dew Point 27 °F    
Average Humidity 44    
Maximum Humidity 67    
Minimum Humidity 20    
Precipitation  
Precipitation 0.00 in 0.10 in 4.69 in (1916)
Month to date precipitation 1.55 1.89  
Year to date precipitation 52.65 51.48  
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 30.06 in    
Wind  
Wind Speed 15 mph (West)    
Max Wind Speed 29 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:19 AM EST 5:30 PM EST
Civil Twilight 6:53 AM EST 5:57 PM EST
Nautical Twilight 6:23 AM EST 6:27 PM EST
Astronomical Twilight 5:53 AM EST 6:56 PM EST
Moon 1:01 PM EST (12/21) 1:22 AM EST (12/21)
Length of Visible Light 11h 03m
Length of Day
10h 10m
Waxing Gibbous, 64% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:21 AM 60.8 °F - 46.4 °F 59% 29.91 in 10.0 mi WNW 18.4 mph 26.5 mph N/A   Mostly Cloudy
12:56 AM 57.0 °F - 45.0 °F 64% 29.93 in 10.0 mi WNW 15.0 mph 26.5 mph N/A   Scattered Clouds
1:56 AM 52.0 °F - 37.0 °F 57% 29.96 in 10.0 mi WNW 15.0 mph 32.2 mph N/A   Scattered Clouds
2:56 AM 48.9 °F - 35.1 °F 59% 29.98 in 10.0 mi WNW 17.3 mph 31.1 mph N/A   Partly Cloudy
3:56 AM 46.9 °F - 34.0 °F 61% 29.99 in 10.0 mi WNW 13.8 mph 27.6 mph N/A   Clear
4:56 AM 46.0 °F 40.2 °F 32.0 °F 58% 30.00 in 10.0 mi West 12.7 mph 24.2 mph N/A   Clear
5:56 AM 43.0 °F 37.2 °F 32.0 °F 65% 30.02 in 10.0 mi West 10.4 mph - N/A   Clear
6:56 AM 43.0 °F 36.0 °F 32.0 °F 65% 30.05 in 10.0 mi West 13.8 mph - N/A   Clear
7:56 AM 43.0 °F 35.1 °F 30.0 °F 60% 30.08 in 10.0 mi West 17.3 mph 24.2 mph N/A   Clear
8:56 AM 45.0 °F 36.2 °F 27.0 °F 49% 30.09 in 10.0 mi WNW 24.2 mph 31.1 mph N/A   Partly Cloudy
9:56 AM 46.9 °F - 27.0 °F 46% 30.10 in 10.0 mi West 24.2 mph 31.1 mph N/A   Partly Cloudy
10:56 AM 48.9 °F - 26.1 °F 41% 30.09 in 10.0 mi West 16.1 mph 27.6 mph N/A   Clear
11:56 AM 52.0 °F - 23.0 °F 32% 30.07 in 10.0 mi West 21.9 mph 32.2 mph N/A   Clear
12:56 PM 53.1 °F - 21.0 °F 29% 30.04 in 10.0 mi West 17.3 mph 34.5 mph N/A   Clear
1:56 PM 55.0 °F - 21.0 °F 27% 30.03 in 10.0 mi West 20.7 mph 28.8 mph N/A   Clear
2:56 PM 55.0 °F - 21.0 °F 27% 30.03 in 10.0 mi West 19.6 mph 25.3 mph N/A   Clear
3:56 PM 55.0 °F - 16.0 °F 22% 30.04 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Clear
4:56 PM 52.0 °F - 18.0 °F 26% 30.05 in 10.0 mi West 16.1 mph 27.6 mph N/A   Clear
5:56 PM 48.0 °F - 21.9 °F 36% 30.07 in 10.0 mi West 10.4 mph - N/A   Clear
6:56 PM 44.1 °F 39.5 °F 24.1 °F 45% 30.11 in 10.0 mi West 8.1 mph - N/A   Clear
7:56 PM 44.1 °F 38.1 °F 23.0 °F 43% 30.12 in 10.0 mi West 11.5 mph - N/A   Clear
8:56 PM 42.1 °F 36.1 °F 23.0 °F 47% 30.14 in 10.0 mi West 10.4 mph - N/A   Clear
9:56 PM 41.0 °F 34.7 °F 23.0 °F 49% 30.16 in 10.0 mi West 10.4 mph - N/A   Clear
10:56 PM 37.9 °F 32.1 °F 23.0 °F 55% 30.17 in 10.0 mi West 8.1 mph - N/A   Clear
11:56 PM 39.9 °F 33.9 °F 21.0 °F 47% 30.17 in 10.0 mi West 9.2 mph - N/A   Clear