Weather History for Alton, IL

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Friday, December 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 25 °F -  
Max Temperature 35 °F 41 °F 60 °F (2006)
Min Temperature 15 °F 27 °F 5 °F (2010)
Degree Days  
Heating Degree Days 40    
Moisture  
Dew Point 22 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 52    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 5 mph (SE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 8 miles    
Events Rain , 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. 13, 2013 Rise Set
Actual Time 7:10 AM CST 4:38 PM CST
Civil Twilight 6:40 AM CST 5:08 PM CST
Nautical Twilight 6:06 AM CST 5:42 PM CST
Astronomical Twilight 5:34 AM CST 6:14 PM CST
Moon 2:20 PM CST (12/13) 3:34 AM CST (12/13)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 13
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

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 21.4 °F 15.1 °F 12.2 °F 68% 30.27 in 10.0 mi SE 4.6 mph - N/A   Clear
12:35 AM 21.2 °F 14.9 °F 12.7 °F 70% 30.26 in 10.0 mi ESE 4.6 mph - N/A   Clear
12:55 AM 20.8 °F 16.0 °F 12.4 °F 70% 30.25 in 10.0 mi SE 3.5 mph - N/A   Clear
1:15 AM 21.9 °F 17.2 °F 12.9 °F 68% 30.25 in 10.0 mi SE 3.5 mph - N/A   Clear
1:35 AM 22.6 °F 15.3 °F 13.6 °F 68% 30.25 in 10.0 mi SSE 5.8 mph - N/A   Clear
1:55 AM 22.5 °F 15.1 °F 13.5 °F 68% 30.25 in 10.0 mi South 5.8 mph - N/A   Clear
2:15 AM 23.2 °F 15.0 °F 13.5 °F 66% 30.25 in 10.0 mi South 6.9 mph - N/A   Clear
2:35 AM 23.4 °F 16.2 °F 13.1 °F 65% 30.24 in 10.0 mi SSE 5.8 mph - N/A   Clear
2:55 AM 23.7 °F 19.3 °F 12.9 °F 63% 30.24 in 10.0 mi SSE 3.5 mph - N/A   Clear
3:15 AM 20.3 °F 15.4 °F 12.2 °F 71% 30.23 in 10.0 mi SE 3.5 mph - N/A   Clear
3:35 AM 17.4 °F - 13.3 °F 84% 30.22 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 17.2 °F - 13.8 °F 86% 30.22 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 17.2 °F 11.9 °F 13.5 °F 85% 30.21 in 10.0 mi East 3.5 mph - N/A   Clear
4:35 AM 17.1 °F 10.0 °F 13.5 °F 86% 30.21 in 10.0 mi East 4.6 mph - N/A   Clear
4:55 AM 17.1 °F 11.7 °F 13.8 °F 87% 30.20 in 10.0 mi East 3.5 mph - N/A   Clear
5:15 AM 17.6 °F 10.7 °F 14.0 °F 86% 30.20 in 10.0 mi East 4.6 mph - N/A   Clear
5:35 AM 16.7 °F 8.3 °F 13.1 °F 86% 30.20 in 10.0 mi ESE 5.8 mph - N/A   Clear
5:55 AM 16.3 °F 7.8 °F 13.5 °F 88% 30.20 in 10.0 mi ESE 5.8 mph - N/A   Clear
6:50 AM 15.8 °F - 14.0 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Clear
7:50 AM 19.4 °F - 15.8 °F 86% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:50 AM 24.8 °F 16.9 °F 19.4 °F 80% 30.19 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
9:50 AM 30.2 °F 23.4 °F 23.0 °F 75% 30.18 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
10:50 AM 33.8 °F 28.6 °F 21.2 °F 60% 30.16 in 10.0 mi SE 5.8 mph - N/A   Overcast
11:45 AM 35.6 °F 28.6 °F 19.4 °F 52% 30.12 in 10.0 mi South 9.2 mph - N/A   Overcast
12:26 PM 35.6 °F 28.6 °F 19.4 °F 52% 30.10 in 10.0 mi South 9.2 mph - N/A   Light Freezing Drizzle
12:45 PM 33.8 °F 26.4 °F 23.0 °F 65% 30.09 in 10.0 mi South 9.2 mph - N/A Rain Light Rain
1:45 PM 33.8 °F 26.4 °F 28.4 °F 81% 30.05 in 7.0 mi SE 9.2 mph - N/A Rain Light Rain
3:45 PM 32.0 °F 25.6 °F 32.0 °F 100% 30.05 in 4.0 mi ESE 6.9 mph - N/A   Overcast
4:45 PM 32.0 °F 25.6 °F 32.0 °F 100% 30.03 in 4.0 mi ESE 6.9 mph - N/A Rain Light Rain
5:50 PM 33.8 °F 27.0 °F 32.0 °F 93% 30.03 in 7.0 mi SSE 8.1 mph - N/A   Overcast
6:50 PM 33.8 °F - 32.0 °F 93% 30.02 in 7.0 mi Calm Calm - N/A   Overcast
7:50 PM 33.8 °F 27.7 °F 32.0 °F 93% 30.02 in 7.0 mi ESE 6.9 mph - N/A   Overcast
8:50 PM 33.8 °F 27.0 °F 30.2 °F 87% 30.02 in 7.0 mi SSE 8.1 mph - N/A   Overcast
9:15 PM 32.9 °F 25.9 °F 31.1 °F 93% 30.02 in 4.0 mi SE 8.1 mph - N/A Snow Light Snow
9:35 PM 33.8 °F 27.0 °F 32.0 °F 93% 30.02 in 3.0 mi SSE 8.1 mph - N/A Snow Light Snow
9:50 PM 32.0 °F 24.8 °F 32.0 °F 100% 30.01 in 2.5 mi South 8.1 mph - N/A Snow Light Snow
9:55 PM 32.2 °F 27.7 °F 32.0 °F 99% 30.01 in 2.5 mi SE 4.6 mph - N/A Snow Light Snow
10:15 PM 32.2 °F 27.7 °F 32.0 °F 99% 30.01 in 2.5 mi SE 4.6 mph - N/A Snow Light Snow
10:35 PM 32.4 °F 27.9 °F 32.0 °F 99% 30.00 in 2.5 mi ESE 4.6 mph - 0.01 in Snow Light Snow
10:55 PM 32.4 °F 29.1 °F 32.2 °F 99% 30.00 in 2.5 mi East 3.5 mph - 0.01 in Snow Light Snow
11:15 PM 32.4 °F 29.1 °F 32.2 °F 99% 30.00 in 3.0 mi East 3.5 mph - N/A   Overcast
11:35 PM 32.5 °F 28.1 °F 32.4 °F 99% 29.99 in 2.0 mi East 4.6 mph - N/A Snow Light Snow
11:55 PM 32.5 °F 27.1 °F 32.5 °F 100% 29.97 in 1.5 mi East 5.8 mph - 0.01 in Snow Light Snow