Weather History for Alton, IL

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Sunday, December 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 23 °F -  
Max Temperature 27 °F 43 °F 57 °F (1999)
Min Temperature 19 °F 29 °F 10 °F (2005)
Degree Days  
Heating Degree Days 42    
Moisture  
Dew Point 19 °F    
Average Humidity 84    
Maximum Humidity 96    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 7 mph (NE)    
Max Wind Speed 14 mph    
Max Gust Speed 20 mph    
Visibility 7 miles    
Events Snow    
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. 08, 2013 Rise Set
Actual Time 7:06 AM CST 4:37 PM CST
Civil Twilight 6:36 AM CST 5:07 PM CST
Nautical Twilight 6:03 AM CST 5:41 PM CST
Astronomical Twilight 5:30 AM CST 6:13 PM CST
Moon 11:29 AM CST (12/8) 11:24 PM CST (12/8)
Length of Visible Light 10h 31m
Length of Day
9h 31m
Waxing Crescent, 40% of the Moon is Illuminated
Dec 8
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

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 21.7 °F 13.2 °F 7.9 °F 55% 30.46 in 10.0 mi ENE 6.9 mph - N/A   Overcast
12:35 AM 21.9 °F 14.5 °F 8.2 °F 56% 30.45 in 10.0 mi ENE 5.8 mph - N/A   Overcast
12:55 AM 21.9 °F 14.5 °F 8.6 °F 57% 30.44 in 10.0 mi ENE 5.8 mph - N/A   Overcast
1:15 AM 22.1 °F 17.4 °F 9.3 °F 58% 30.44 in 10.0 mi ENE 3.5 mph - N/A   Overcast
1:35 AM 21.7 °F 13.2 °F 10.8 °F 63% 30.43 in 3.0 mi ENE 6.9 mph - N/A Snow Light Snow
1:55 AM 20.3 °F 11.5 °F 16.3 °F 85% 30.42 in 1.2 mi ENE 6.9 mph - N/A Snow Snow
2:15 AM 20.1 °F 11.3 °F 17.4 °F 89% 30.41 in 1.5 mi ENE 6.9 mph - N/A Snow Light Snow
2:35 AM 19.9 °F 13.4 °F 17.6 °F 91% 30.40 in 1.0 mi NNE 4.6 mph - N/A Snow Snow
2:55 AM 20.1 °F 13.6 °F 18.1 °F 92% 30.39 in 2.5 mi NNE 4.6 mph - N/A Snow Light Snow
3:15 AM 20.3 °F 13.8 °F 17.8 °F 90% 30.38 in 10.0 mi NE 4.6 mph - N/A   Overcast
3:35 AM 20.3 °F 13.8 °F 17.6 °F 89% 30.36 in 10.0 mi NNE 4.6 mph - N/A   Overcast
3:55 AM 20.3 °F 11.5 °F 17.6 °F 89% 30.35 in 10.0 mi NE 6.9 mph - N/A   Overcast
4:15 AM 20.7 °F 14.2 °F 17.6 °F 88% 30.35 in 10.0 mi NNE 4.6 mph - N/A   Overcast
4:35 AM 20.8 °F 14.4 °F 17.6 °F 87% 30.32 in 10.0 mi NE 4.6 mph - N/A   Overcast
4:55 AM 20.8 °F 12.1 °F 17.4 °F 87% 30.31 in 10.0 mi NE 6.9 mph - N/A   Overcast
5:15 AM 20.8 °F 12.1 °F 17.4 °F 87% 30.29 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
5:35 AM 21.2 °F 13.6 °F 17.6 °F 86% 30.29 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
5:55 AM 21.2 °F 10.9 °F 18.0 °F 87% 30.26 in 10.0 mi NE 9.2 mph - N/A   Scattered Clouds
6:50 AM 23.0 °F 13.1 °F 19.4 °F 86% 30.27 in 10.0 mi NE 9.2 mph - N/A   Overcast
7:50 AM 23.0 °F 11.7 °F 19.4 °F 86% 30.25 in 6.0 mi East 11.5 mph - N/A   Overcast
8:55 AM 23.0 °F 10.6 °F 19.4 °F 86% 30.25 in 5.0 mi East 13.8 mph - N/A   Overcast
9:50 AM 24.8 °F 14.0 °F 19.4 °F 80% 30.23 in 5.0 mi ESE 11.5 mph - N/A   Overcast
10:50 AM 24.8 °F 15.3 °F 19.4 °F 80% 30.19 in 5.0 mi ESE 9.2 mph - N/A   Overcast
9:15 PM 26.4 °F 18.9 °F 25.5 °F 96% 30.06 in 4.0 mi SW 6.9 mph - N/A Snow Light Snow
9:35 PM 26.6 °F 19.1 °F 25.7 °F 96% 30.06 in 5.0 mi SW 6.9 mph - N/A   Overcast
9:55 PM 26.6 °F 20.0 °F 25.7 °F 96% 30.07 in 5.0 mi WSW 5.8 mph - N/A   Overcast
10:15 PM 27.0 °F 18.7 °F 25.7 °F 95% 30.08 in 5.0 mi SW 8.1 mph - N/A   Overcast
10:35 PM 27.1 °F 17.5 °F 25.7 °F 94% 30.08 in 7.0 mi WSW 10.4 mph - N/A   Overcast
10:55 PM 27.5 °F 16.8 °F 25.9 °F 94% 30.08 in 7.0 mi WSW 12.7 mph - N/A   Overcast
11:15 PM 27.5 °F 18.0 °F 25.7 °F 93% 30.09 in 10.0 mi West 10.4 mph - N/A   Overcast
11:35 PM 27.5 °F 16.3 °F 25.5 °F 92% 30.09 in 10.0 mi WSW 13.8 mph 19.6 mph N/A   Overcast
11:55 PM 27.5 °F 16.3 °F 25.3 °F 92% 30.09 in 10.0 mi West 13.8 mph - N/A   Overcast