Weather History for Alton, IL

Change the Weather History Date:

Wednesday, January 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F -  
Max Temperature 33 °F 36 °F 59 °F (2005)
Min Temperature 30 °F 22 °F 3 °F (2008)
Degree Days  
Heating Degree Days 34    
Moisture  
Dew Point 31 °F    
Average Humidity 94    
Maximum Humidity 100    
Minimum Humidity 87    
Precipitation  
Precipitation 0.18 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 5 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

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Jan. 25, 2012 Rise Set
Actual Time 7:12 AM CST 5:12 PM CST
Civil Twilight 6:43 AM CST 5:41 PM CST
Nautical Twilight 6:11 AM CST 6:13 PM CST
Astronomical Twilight 5:39 AM CST 6:45 PM CST
Moon 8:13 AM CST (1/25) 8:03 PM CST (1/25)
Length of Visible Light 10h 57m
Length of Day
10h 00m
Waxing Crescent, 7% of the Moon is Illuminated
Jan 25
Waxing Crescent
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter
Feb 21
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 30.9 °F 26.2 °F 28.8 °F 92% 30.31 in 7.0 mi ENE 4.6 mph - N/A   Clear
12:35 AM 31.1 °F 24.5 °F 28.8 °F 91% 30.31 in 7.0 mi ENE 6.9 mph - N/A   Clear
12:55 AM 31.1 °F 25.4 °F 28.4 °F 90% 30.31 in 7.0 mi East 5.8 mph - N/A   Clear
1:15 AM 30.9 °F 26.2 °F 28.4 °F 90% 30.30 in 7.0 mi East 4.6 mph - N/A   Clear
1:35 AM 30.9 °F 26.2 °F 28.4 °F 90% 30.31 in 7.0 mi East 4.6 mph - N/A   Clear
1:55 AM 30.9 °F 24.3 °F 28.4 °F 90% 30.30 in 10.0 mi East 6.9 mph - N/A   Clear
2:15 AM 30.2 °F 25.4 °F 28.4 °F 93% 30.31 in 10.0 mi East 4.6 mph - N/A   Clear
2:35 AM 31.1 °F 26.4 °F 28.4 °F 90% 30.32 in 10.0 mi East 4.6 mph - N/A   Clear
2:55 AM 30.9 °F 27.5 °F 28.4 °F 90% 30.31 in 7.0 mi East 3.5 mph - N/A   Clear
3:15 AM 30.9 °F 25.2 °F 28.4 °F 90% 30.30 in 7.0 mi East 5.8 mph - N/A   Clear
3:35 AM 30.9 °F 24.3 °F 28.4 °F 90% 30.29 in 7.0 mi East 6.9 mph - N/A   Clear
3:55 AM 30.9 °F 24.3 °F 28.4 °F 90% 30.28 in 7.0 mi East 6.9 mph - N/A   Clear
4:15 AM 30.9 °F 23.5 °F 28.4 °F 90% 30.26 in 7.0 mi ENE 8.1 mph - N/A   Clear
4:35 AM 31.1 °F 23.7 °F 28.8 °F 91% 30.26 in 7.0 mi East 8.1 mph - N/A   Clear
4:55 AM 31.1 °F 24.5 °F 28.4 °F 90% 30.26 in 7.0 mi East 6.9 mph - N/A   Clear
5:15 AM 31.1 °F 26.4 °F 28.4 °F 90% 30.27 in 7.0 mi East 4.6 mph - N/A   Clear
5:35 AM 31.1 °F 24.5 °F 28.4 °F 90% 30.27 in 7.0 mi East 6.9 mph - N/A   Clear
5:55 AM 31.1 °F 24.5 °F 28.8 °F 91% 30.27 in 7.0 mi ENE 6.9 mph - N/A   Clear
6:50 AM 30.2 °F 21.9 °F 28.4 °F 93% 30.29 in 7.0 mi ESE 9.2 mph - N/A   Scattered Clouds
7:50 AM 32.0 °F 24.2 °F 28.4 °F 87% 30.26 in 7.0 mi East 9.2 mph - N/A   Overcast
8:50 AM 32.0 °F 24.8 °F 30.2 °F 93% 30.26 in 5.0 mi East 8.1 mph - N/A   Overcast
9:50 AM 32.0 °F 24.2 °F 30.2 °F 93% 30.26 in 5.0 mi East 9.2 mph - N/A   Overcast
10:50 AM 32.0 °F 24.2 °F 30.2 °F 93% 30.26 in 3.0 mi East 9.2 mph - N/A Rain Light Rain
11:50 AM 32.0 °F 24.2 °F 32.0 °F 100% 30.22 in 2.0 mi ENE 9.2 mph - N/A Rain Rain
1:50 PM 33.8 °F 27.7 °F 32.0 °F 93% 30.16 in 2.5 mi NE 6.9 mph - N/A Rain Rain
2:50 PM 33.8 °F 29.6 °F 32.0 °F 93% 30.16 in 2.0 mi ENE 4.6 mph - N/A   Overcast
3:50 PM 32.0 °F 23.0 °F 32.0 °F 100% 30.12 in 2.0 mi ENE 11.5 mph - N/A   Overcast
4:46 PM 33.8 °F 25.3 °F 32.0 °F 93% 30.10 in 3.0 mi ESE 11.5 mph - N/A   Overcast
5:50 PM 33.8 °F 25.3 °F 32.0 °F 93% 30.09 in 5.0 mi ESE 11.5 mph - N/A   Overcast
6:50 PM 33.8 °F 25.3 °F 32.0 °F 93% 30.08 in 4.0 mi ESE 11.5 mph - N/A Rain Light Rain
7:50 PM 33.8 °F 25.3 °F 33.8 °F 100% 30.06 in 4.0 mi ESE 11.5 mph - N/A Rain Light Rain
8:50 PM 33.8 °F 27.7 °F 33.8 °F 100% 30.06 in 4.0 mi East 6.9 mph - N/A Rain Light Rain
9:15 PM 33.3 °F 30.2 °F 32.9 °F 99% 30.03 in 3.0 mi NE 3.5 mph - 0.02 in Snow Light Snow
9:35 PM 33.3 °F 27.9 °F 33.1 °F 99% 30.03 in 4.0 mi ENE 5.8 mph - 0.04 in   Overcast
9:50 PM 33.8 °F 26.4 °F 33.8 °F 100% 30.01 in 4.0 mi East 9.2 mph - N/A Rain Light Rain
9:55 PM 33.4 °F 27.3 °F 33.3 °F 99% 30.01 in 4.0 mi ENE 6.9 mph - 0.04 in   Overcast
10:15 PM 33.8 °F 30.8 °F 33.8 °F 100% 30.01 in 3.0 mi NE 3.5 mph - N/A   Overcast
10:35 PM 33.4 °F 27.3 °F 33.3 °F 99% 30.00 in 3.0 mi East 6.9 mph - 0.05 in Snow Light Snow
10:55 PM 33.4 °F 30.4 °F 33.3 °F 99% 30.01 in 3.0 mi East 3.5 mph - 0.08 in Snow Light Snow
11:15 PM 33.4 °F 30.4 °F 33.3 °F 99% 30.00 in 2.5 mi ENE 3.5 mph - 0.02 in   Overcast
11:35 PM 33.4 °F - 33.3 °F 99% 29.98 in 2.0 mi Calm Calm - 0.03 in   Overcast
11:55 PM 33.6 °F - 33.3 °F 99% 29.96 in 1.5 mi Calm Calm - 0.06 in Rain Rain