Weather History for Knoxville, IA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 24 °F -  
Max Temperature 33 °F 29 °F 62 °F (1965)
Min Temperature 12 °F 13 °F -14 °F (1968)
Degree Days  
Heating Degree Days 42    
Moisture  
Dew Point 12 °F    
Average Humidity 70    
Maximum Humidity 75    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:38 AM CST 4:53 PM CST
Civil Twilight 7:07 AM CST 5:24 PM CST
Nautical Twilight 6:32 AM CST 5:59 PM CST
Astronomical Twilight 5:58 AM CST 6:32 PM CST
Moon 8:26 PM CST (12/31) 9:18 AM CST (12/31)
Length of Visible Light 10h 17m
Length of Day
9h 15m
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 (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 33.8 °F 24.8 °F 24.8 °F 70% 30.03 in 10.0 mi West 12.7 mph - N/A   Clear
12:35 AM 33.8 °F 24.8 °F 24.8 °F 70% 30.04 in 10.0 mi West 12.7 mph - N/A   Clear
12:55 AM 33.8 °F 24.3 °F 24.8 °F 70% 30.04 in 10.0 mi West 13.8 mph - N/A   Clear
1:15 AM 33.8 °F 25.8 °F 24.8 °F 70% 30.04 in 10.0 mi West 10.4 mph - N/A   Clear
1:35 AM 32.0 °F 24.2 °F 24.8 °F 75% 30.05 in 10.0 mi West 9.2 mph - N/A   Clear
1:55 AM 32.0 °F 23.0 °F 24.8 °F 75% 30.07 in 10.0 mi West 11.5 mph - N/A   Clear
2:15 AM 30.2 °F 21.3 °F 23.0 °F 75% 30.07 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
2:35 AM 30.2 °F 20.8 °F 23.0 °F 75% 30.08 in 10.0 mi WNW 11.5 mph - N/A   Clear
2:55 AM 30.2 °F 19.8 °F 19.4 °F 64% 30.10 in 10.0 mi NW 13.8 mph - N/A   Mostly Cloudy
3:15 AM 28.4 °F 17.0 °F 19.4 °F 69% 30.10 in 10.0 mi WNW 15.0 mph - N/A   Scattered Clouds
3:35 AM 26.6 °F 14.7 °F 17.6 °F 69% 30.10 in 10.0 mi NW 15.0 mph 18.4 mph N/A   Scattered Clouds
3:55 AM 26.6 °F 15.2 °F 17.6 °F 69% 30.10 in 10.0 mi NW 13.8 mph - N/A   Mostly Cloudy
4:15 AM 24.8 °F 12.9 °F 15.8 °F 69% 30.10 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
4:35 AM 24.8 °F 16.1 °F 15.8 °F 69% 30.11 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
4:55 AM 24.8 °F 16.9 °F 15.8 °F 69% 30.11 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
5:15 AM 24.8 °F 12.9 °F 15.8 °F 69% 30.11 in 10.0 mi NW 13.8 mph 17.3 mph N/A   Scattered Clouds
5:35 AM 23.0 °F 11.1 °F 14.0 °F 68% 30.11 in 10.0 mi NW 12.7 mph 16.1 mph N/A   Scattered Clouds
5:55 AM 21.2 °F 8.3 °F 14.0 °F 74% 30.10 in 10.0 mi NNW 13.8 mph - N/A   Scattered Clouds
6:15 AM 21.2 °F 9.5 °F 14.0 °F 74% 30.12 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
6:35 AM 21.2 °F 8.9 °F 12.2 °F 68% 30.13 in 10.0 mi NNW 12.7 mph - N/A   Mostly Cloudy
6:55 AM 19.4 °F 9.5 °F 12.2 °F 74% 30.14 in 10.0 mi NNW 8.1 mph - N/A   Scattered Clouds
7:15 AM 19.4 °F 7.9 °F 12.2 °F 74% 30.14 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
7:35 AM 19.4 °F 8.6 °F 12.2 °F 74% 30.15 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
7:55 AM 19.4 °F 10.4 °F 12.2 °F 74% 30.16 in 10.0 mi NNW 6.9 mph - N/A   Clear
8:15 AM 19.4 °F 9.5 °F 12.2 °F 74% 30.16 in 10.0 mi NNW 8.1 mph - N/A   Clear
8:35 AM 19.4 °F 10.4 °F 12.2 °F 74% 30.15 in 10.0 mi NNW 6.9 mph - N/A   Clear
8:55 AM 19.4 °F 9.5 °F 12.2 °F 74% 30.16 in 10.0 mi NW 8.1 mph - N/A   Clear
9:15 AM 19.4 °F 8.6 °F 12.2 °F 74% 30.16 in 10.0 mi NW 9.2 mph - N/A   Clear
9:35 AM 19.4 °F 7.2 °F 12.2 °F 74% 30.17 in 10.0 mi NW 11.5 mph - N/A   Clear
9:55 AM 19.4 °F 7.9 °F 12.2 °F 74% 30.18 in 10.0 mi NW 10.4 mph 16.1 mph N/A   Clear
10:15 AM 19.4 °F 6.6 °F 12.2 °F 74% 30.18 in 10.0 mi NNW 12.7 mph - N/A   Clear
10:35 AM 19.4 °F 9.5 °F 12.2 °F 74% 30.18 in 10.0 mi North 8.1 mph - N/A   Clear
10:55 AM 19.4 °F 7.2 °F 10.4 °F 68% 30.19 in 10.0 mi NNW 11.5 mph - N/A   Scattered Clouds
11:15 AM 19.4 °F 7.9 °F 10.4 °F 68% 30.18 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
11:35 AM 19.4 °F 6.6 °F 10.4 °F 68% 30.18 in 10.0 mi NNW 12.7 mph - N/A   Clear
11:55 AM 19.4 °F 6.6 °F 10.4 °F 68% 30.18 in 10.0 mi NNW 12.7 mph - N/A   Clear
12:15 PM 19.4 °F 6.6 °F 10.4 °F 68% 30.18 in 10.0 mi NNW 12.7 mph - N/A   Clear
12:35 PM 19.4 °F 6.0 °F 10.4 °F 68% 30.16 in 10.0 mi North 13.8 mph - N/A   Clear
12:55 PM 19.4 °F 7.9 °F 10.4 °F 68% 30.16 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
1:15 PM 19.4 °F 7.2 °F 10.4 °F 68% 30.14 in 10.0 mi NNW 11.5 mph - N/A   Clear
1:35 PM 19.4 °F 8.6 °F 10.4 °F 68% 30.15 in 10.0 mi NNW 9.2 mph - N/A   Clear
1:55 PM 19.4 °F 8.6 °F 10.4 °F 68% 30.14 in 10.0 mi NW 9.2 mph - N/A   Clear
2:15 PM 19.4 °F 6.6 °F 10.4 °F 68% 30.12 in 10.0 mi NNW 12.7 mph - N/A   Clear
2:35 PM 19.4 °F 6.6 °F 10.4 °F 68% 30.13 in 10.0 mi NNW 12.7 mph - N/A   Clear
2:55 PM 19.4 °F 7.2 °F 10.4 °F 68% 30.12 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
3:15 PM 19.4 °F 6.6 °F 8.6 °F 63% 30.13 in 10.0 mi NNW 12.7 mph - N/A   Scattered Clouds
3:35 PM 19.4 °F 5.5 °F 8.6 °F 63% 30.12 in 10.0 mi North 15.0 mph - N/A   Scattered Clouds
3:55 PM 19.4 °F 8.6 °F 8.6 °F 63% 30.14 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
4:15 PM 19.4 °F 7.9 °F 8.6 °F 63% 30.14 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
4:35 PM 19.4 °F 9.5 °F 10.4 °F 68% 30.14 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
4:55 PM 19.4 °F 8.6 °F 10.4 °F 68% 30.14 in 10.0 mi NNW 9.2 mph - N/A   Overcast
5:15 PM 17.6 °F 5.7 °F 10.4 °F 73% 30.15 in 10.0 mi NNW 10.4 mph - N/A   Overcast
5:35 PM 17.6 °F 8.2 °F 10.4 °F 73% 30.15 in 10.0 mi NNW 6.9 mph - N/A   Overcast
5:55 PM 17.6 °F 6.4 °F 10.4 °F 73% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Overcast
6:15 PM 17.6 °F 6.4 °F 10.4 °F 73% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Overcast
6:35 PM 17.6 °F 7.3 °F 10.4 °F 73% 30.17 in 10.0 mi NW 8.1 mph - N/A   Overcast
6:55 PM 17.6 °F 7.3 °F 8.6 °F 68% 30.17 in 10.0 mi NNW 8.1 mph - N/A   Overcast
7:15 PM 17.6 °F 8.2 °F 8.6 °F 68% 30.17 in 10.0 mi NNW 6.9 mph - N/A   Overcast
7:35 PM 17.6 °F 6.4 °F 10.4 °F 73% 30.17 in 10.0 mi NNW 9.2 mph - N/A   Overcast
7:55 PM 17.6 °F 6.4 °F 8.6 °F 68% 30.18 in 10.0 mi NNW 9.2 mph - N/A   Overcast
8:35 PM 17.6 °F 6.4 °F 6.8 °F 63% 30.18 in 10.0 mi NNW 9.2 mph - N/A   Overcast
9:15 PM 15.8 °F 2.7 °F 6.8 °F 68% 30.19 in 10.0 mi NNW 11.5 mph - N/A   Overcast
9:35 PM 15.8 °F 5.1 °F 6.8 °F 68% 30.19 in 10.0 mi NNW 8.1 mph - N/A   Overcast
9:55 PM 15.8 °F 4.2 °F 6.8 °F 68% 30.20 in 10.0 mi NNW 9.2 mph - N/A   Overcast
10:15 PM 15.8 °F 7.2 °F 6.8 °F 68% 30.21 in 10.0 mi NNW 5.8 mph - N/A   Overcast
10:35 PM 15.8 °F 2.7 °F 6.8 °F 68% 30.21 in 10.0 mi NNW 11.5 mph - N/A   Overcast
10:55 PM 15.8 °F 3.4 °F 5.0 °F 62% 30.22 in 10.0 mi North 10.4 mph - N/A   Overcast
11:15 PM 14.0 °F 0.5 °F 3.2 °F 62% 30.22 in 10.0 mi NNW 11.5 mph - N/A   Overcast
11:35 PM 14.0 °F 1.2 °F 3.2 °F 62% 30.22 in 10.0 mi NNW 10.4 mph - N/A   Overcast
11:55 PM 12.2 °F -0.2 °F 3.2 °F 67% 30.21 in 10.0 mi NNW 9.2 mph - N/A   Overcast