Weather History for Jacksonville, FL

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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 54 °F  
Max Temperature 79 °F 66 °F 82 °F (1990)
Min Temperature 44 °F 43 °F 19 °F (1981)
Degree Days  
Heating Degree Days 3 11  
Month to date heating degree days 70 191  
Since 1 July heating degree days 318 364  
Cooling Degree Days 0 1  
Month to date cooling degree days 17 20  
Year to date cooling degree days 2760 2664  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 56    
Precipitation  
Precipitation 0.27 in 0.10 in 2.86 in (1915)
Month to date precipitation 1.55 1.79  
Year to date precipitation 52.65 51.38  
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 29.95 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 30 mph    
Max Gust Speed 40 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 20, 2012 Rise Set
Actual Time 7:19 AM EST 5:29 PM EST
Civil Twilight 6:52 AM EST 5:56 PM EST
Nautical Twilight 6:22 AM EST 6:26 PM EST
Astronomical Twilight 5:53 AM EST 6:55 PM EST
Moon 12:27 PM EST (12/20) 12:26 AM EST (12/20)
Length of Visible Light 11h 03m
Length of Day
10h 10m
First Quarter, 55% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 46.0 °F 44.1 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 45.0 °F 43.0 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 45.0 °F 43.0 °F 93% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 45.0 °F 43.0 °F 93% 30.07 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 45.0 °F 43.0 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 46.0 °F 43.0 °F 89% 30.07 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 AM 46.9 °F 44.1 °F 90% 30.08 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 51.1 °F 48.0 °F 89% 30.07 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
8:56 AM 60.1 °F 57.9 °F 93% 30.07 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
9:56 AM 68.0 °F 61.0 °F 78% 30.06 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
10:56 AM 72.0 °F 60.1 °F 66% 30.04 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
11:56 AM 73.9 °F 61.0 °F 64% 29.99 in 10.0 mi South 18.4 mph 25.3 mph N/A   Mostly Cloudy
12:56 PM 75.0 °F 62.1 °F 64% 29.94 in 10.0 mi South 19.6 mph 27.6 mph N/A   Mostly Cloudy
1:56 PM 77.0 °F 62.1 °F 60% 29.91 in 10.0 mi SSE 15.0 mph 21.9 mph N/A   Mostly Cloudy
2:56 PM 78.1 °F 62.1 °F 58% 29.87 in 10.0 mi South 13.8 mph - N/A   Mostly Cloudy
3:56 PM 77.0 °F 60.1 °F 56% 29.86 in 10.0 mi South 10.4 mph 23.0 mph N/A   Mostly Cloudy
4:56 PM 75.9 °F 60.1 °F 58% 29.85 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
5:56 PM 75.0 °F 62.1 °F 64% 29.84 in 10.0 mi SSW 17.3 mph 27.6 mph N/A   Overcast
6:56 PM 72.0 °F 64.0 °F 76% 29.83 in 10.0 mi SSW 11.5 mph 21.9 mph 0.00 in   Overcast
7:56 PM 69.1 °F 66.0 °F 90% 29.84 in 4.0 mi SSW 12.7 mph - 0.14 in Rain Rain
8:03 PM 69.8 °F 66.2 °F 88% 29.83 in 2.0 mi SSW 13.8 mph - 0.06 in Rain Heavy Rain
8:16 PM 69.8 °F 66.2 °F 88% 29.83 in 10.0 mi SSW 12.7 mph 19.6 mph 0.13 in   Mostly Cloudy
8:45 PM 69.8 °F 66.2 °F 88% 29.83 in 10.0 mi SSW 13.8 mph - 0.13 in   Mostly Cloudy
8:56 PM 69.1 °F 66.9 °F 93% 29.84 in 10.0 mi SSW 11.5 mph - 0.13 in   Mostly Cloudy
9:24 PM 69.8 °F 66.2 °F 88% 29.83 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
9:56 PM 69.1 °F 66.9 °F 93% 29.84 in 10.0 mi SW 12.7 mph 20.7 mph N/A   Overcast
10:56 PM 61.0 °F 50.0 °F 67% 29.88 in 10.0 mi WNW 17.3 mph 29.9 mph N/A   Overcast
11:03 PM 60.8 °F 50.0 °F 68% 29.88 in 10.0 mi WNW 16.1 mph - N/A   Overcast
11:56 PM 61.0 °F 46.9 °F 60% 29.90 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Overcast