Weather History for Alton, IL

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Thursday, February 7, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 50 °F 41 °F 69 °F (2009)
Min Temperature 35 °F 26 °F -6 °F (2014)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 36 °F    
Average Humidity 80    
Maximum Humidity 87    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 7 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 25 mph    
Visibility 8 miles    
Events Rain    
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

Feb. 07, 2013 Rise Set
Actual Time 7:00 AM CST 5:28 PM CST
Civil Twilight 6:32 AM CST 5:56 PM CST
Nautical Twilight 6:00 AM CST 6:28 PM CST
Astronomical Twilight 5:29 AM CST 6:59 PM CST
Moon 4:38 AM CST (2/7) 2:54 PM CST (2/7)
Length of Visible Light 11h 24m
Length of Day
10h 28m
Waning Crescent, 9% of the Moon is Illuminated
Feb 7
Waning Crescent
Feb 10
New
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last 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 40.6 °F 36.7 °F 32.9 °F 74% 30.07 in 10.0 mi East 5.8 mph - N/A   Clear
12:55 AM 39.2 °F 35.0 °F 33.1 °F 79% 30.06 in 10.0 mi East 5.8 mph - N/A   Clear
1:15 AM 38.7 °F 33.6 °F 32.9 °F 80% 30.06 in 10.0 mi East 6.9 mph - N/A   Clear
1:35 AM 39.7 °F 36.5 °F 32.9 °F 77% 30.06 in 10.0 mi East 4.6 mph - N/A   Clear
1:55 AM 39.2 °F 34.2 °F 32.5 °F 77% 30.06 in 10.0 mi ESE 6.9 mph - N/A   Clear
2:15 AM 39.0 °F 36.8 °F 32.7 °F 78% 30.06 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
2:35 AM 39.2 °F 35.0 °F 32.9 °F 78% 30.06 in 7.0 mi ESE 5.8 mph - N/A   Overcast
2:55 AM 37.4 °F 30.3 °F 32.2 °F 81% 30.04 in 7.0 mi SE 10.4 mph - N/A   Scattered Clouds
3:15 AM 37.4 °F 30.8 °F 32.0 °F 81% 30.03 in 7.0 mi SE 9.2 mph - N/A   Clear
3:35 AM 37.9 °F 30.9 °F 32.5 °F 81% 30.02 in 7.0 mi SE 10.4 mph - N/A   Clear
3:55 AM 38.3 °F 33.2 °F 32.0 °F 78% 30.02 in 7.0 mi SE 6.9 mph - N/A   Clear
4:15 AM 36.5 °F 30.3 °F 31.6 °F 83% 30.01 in 7.0 mi ESE 8.1 mph - N/A   Clear
4:35 AM 35.8 °F 30.9 °F 31.5 °F 84% 30.00 in 7.0 mi East 5.8 mph - N/A   Clear
4:55 AM 37.4 °F - 32.0 °F 81% 30.01 in 7.0 mi Calm Calm - N/A   Clear
5:15 AM 36.5 °F 31.8 °F 32.0 °F 84% 30.00 in 7.0 mi ESE 5.8 mph - N/A   Clear
5:35 AM 36.3 °F - 31.8 °F 84% 30.01 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
5:55 AM 37.0 °F 33.3 °F 32.0 °F 82% 30.00 in 7.0 mi ESE 4.6 mph - N/A   Overcast
6:50 AM 37.4 °F 31.4 °F 32.0 °F 81% 29.99 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
7:50 AM 39.2 °F 33.0 °F 33.8 °F 81% 29.98 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
8:50 AM 42.8 °F 38.6 °F 33.8 °F 70% 29.98 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
9:50 AM 48.2 °F - 33.8 °F 58% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Overcast
11:50 AM 50.0 °F - 35.6 °F 58% 29.93 in 10.0 mi SSE 9.2 mph - N/A   Overcast
12:50 PM 48.2 °F - 41.0 °F 76% 29.90 in 10.0 mi South 9.2 mph - N/A   Overcast
1:45 PM 50.0 °F - 42.8 °F 76% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
2:45 PM 50.0 °F - 42.8 °F 76% 29.89 in 3.0 mi Variable 3.5 mph - N/A Rain Rain
3:45 PM 48.2 °F - 44.6 °F 87% 29.88 in 4.0 mi Variable 3.5 mph - N/A Rain Rain
4:45 PM 48.2 °F - 44.6 °F 87% 29.88 in 3.0 mi Variable 3.5 mph - N/A Rain Light Rain
9:15 PM 44.6 °F 39.2 °F 40.6 °F 86% 29.98 in 10.0 mi NW 10.4 mph 20.7 mph N/A   Overcast
9:35 PM 44.2 °F 37.6 °F 40.1 °F 85% 29.99 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Overcast
9:55 PM 43.9 °F 37.2 °F 40.1 °F 87% 30.00 in 10.0 mi NNW 13.8 mph 20.7 mph N/A   Overcast
10:15 PM 43.2 °F 36.2 °F 39.2 °F 86% 30.01 in 10.0 mi NW 13.8 mph 25.3 mph N/A   Overcast
10:35 PM 43.2 °F 37.0 °F 38.8 °F 85% 30.01 in 10.0 mi NW 11.5 mph 20.7 mph N/A   Overcast
10:55 PM 43.0 °F 36.8 °F 38.7 °F 85% 30.02 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Overcast
11:15 PM 42.8 °F 37.5 °F 38.3 °F 84% 30.02 in 10.0 mi NNW 9.2 mph - N/A   Overcast
11:35 PM 41.9 °F 34.6 °F 37.6 °F 85% 30.03 in 7.0 mi NW 13.8 mph 20.7 mph N/A   Overcast
11:55 PM 41.2 °F 35.5 °F 37.2 °F 86% 30.04 in 5.0 mi NW 9.2 mph - N/A   Overcast