Alton, IL

5:49 AM CDT on June 25, 2017 (GMT -0500)
Saint Louis Regional

Weather History for KALN - December, 2012

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Saturday, December 1, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 69 °F 47 °F 69 °F (2012)
Min Temperature 44 °F 33 °F 17 °F (2002)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 72    
Maximum Humidity 91    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 8 mph (SSE)    
Max Wind Speed 18 mph    
Max Gust Speed 17 mph    
Visibility 9 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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Daily Weather History Graph

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Date:

Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:00 AM CST 4:38 PM CST
Civil Twilight 6:30 AM CST 5:07 PM CST
Nautical Twilight 5:57 AM CST 5:41 PM CST
Astronomical Twilight 5:25 AM CST 6:13 PM CST
Moon 7:28 PM CST (12/1) 9:13 AM CST (12/1)
Length of Visible Light 10h 37m
Length of Day
9h 38m
Waning Gibbous, 91% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
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 50.9 °F - 41.9 °F 71% 30.11 in 10.0 mi South 8.1 mph - N/A   Clear
12:35 AM 49.6 °F - 41.9 °F 75% 30.12 in 10.0 mi South 5.8 mph - N/A   Clear
12:55 AM 50.0 °F - 42.1 °F 74% 30.11 in 10.0 mi SSE 4.6 mph - N/A   Clear
1:15 AM 47.3 °F - 41.2 °F 79% 30.11 in 10.0 mi SSE 3.5 mph - N/A   Clear
1:35 AM 46.6 °F - 40.6 °F 80% 30.11 in 10.0 mi SSE 4.6 mph - N/A   Clear
1:55 AM 48.6 °F - 42.8 °F 80% 30.11 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:15 AM 49.5 °F - 43.2 °F 79% 30.12 in 10.0 mi SSE 5.8 mph - N/A   Clear
2:35 AM 49.3 °F - 43.7 °F 81% 30.12 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:55 AM 49.3 °F - 43.5 °F 81% 30.12 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:15 AM 47.3 °F - 43.0 °F 85% 30.12 in 7.0 mi SSE 3.5 mph - N/A   Clear
4:15 AM 48.6 °F - 45.5 °F 89% 30.11 in 5.0 mi Calm Calm - N/A   Clear
4:35 AM 48.2 °F - 45.1 °F 89% 30.11 in 4.0 mi Calm Calm - N/A   Clear
4:55 AM 44.8 °F 43.3 °F 41.9 °F 90% 30.12 in 2.5 mi East 3.5 mph - N/A   Mostly Cloudy
5:15 AM 45.0 °F - 42.4 °F 91% 30.11 in 2.5 mi Calm Calm - N/A   Overcast
5:35 AM 47.3 °F - 44.8 °F 91% 30.11 in 3.0 mi Calm Calm - N/A   Overcast
5:55 AM 47.3 °F - 44.6 °F 90% 30.11 in 4.0 mi Calm Calm - N/A   Overcast
10:50 AM 62.6 °F - 51.8 °F 68% 30.07 in 10.0 mi SSE 11.5 mph - N/A   Overcast
12:50 PM 68.0 °F - 53.6 °F 60% 30.00 in 10.0 mi South 13.8 mph - N/A   Overcast
1:50 PM 69.8 °F - 53.6 °F 56% 29.98 in 10.0 mi SSE 16.1 mph - N/A   Overcast
2:55 PM 68.0 °F - 53.6 °F 60% 29.96 in 10.0 mi South 18.4 mph - N/A   Overcast
3:50 PM 66.2 °F - 53.6 °F 64% 29.96 in 10.0 mi South 16.1 mph - N/A   Overcast
4:50 PM 66.2 °F - 51.8 °F 60% 29.97 in 10.0 mi SSE 16.1 mph - N/A   Mostly Cloudy
5:50 PM 64.4 °F - 51.8 °F 64% 29.98 in 10.0 mi South 18.4 mph - N/A   Mostly Cloudy
6:50 PM 62.6 °F - 51.8 °F 68% 29.98 in 10.0 mi SSE 16.1 mph - N/A   Scattered Clouds
7:50 PM 64.4 °F - 51.8 °F 64% 30.00 in 10.0 mi SSE 16.1 mph - N/A   Overcast
8:47 PM 62.6 °F - 51.8 °F 68% 29.97 in 10.0 mi SSE 17.3 mph - N/A   Overcast
9:15 PM 63.9 °F - 52.0 °F 65% 29.97 in 10.0 mi SSE 12.7 mph 16.1 mph N/A   Overcast
9:35 PM 64.4 °F - 51.8 °F 64% 29.98 in 10.0 mi SSE 11.5 mph 17.3 mph N/A   Overcast
9:50 PM 64.4 °F - 51.8 °F 64% 29.97 in 10.0 mi SSE 16.1 mph - N/A   Overcast
9:55 PM 64.4 °F - 51.8 °F 64% 29.98 in 10.0 mi SSE 10.4 mph - N/A   Overcast
10:15 PM 64.4 °F - 51.8 °F 64% 29.98 in 10.0 mi SSE 9.2 mph - N/A   Overcast
10:35 PM 64.2 °F - 51.8 °F 64% 29.97 in 10.0 mi SSE 11.5 mph - N/A   Overcast
10:55 PM 64.2 °F - 52.0 °F 64% 29.97 in 10.0 mi SSE 11.5 mph - N/A   Overcast
11:15 PM 64.2 °F - 52.2 °F 65% 29.96 in 10.0 mi South 12.7 mph 17.3 mph N/A   Overcast
11:35 PM 64.6 °F - 52.2 °F 64% 29.96 in 10.0 mi South 11.5 mph 17.3 mph N/A   Overcast
11:55 PM 64.8 °F - 52.3 °F 64% 29.95 in 10.0 mi South 11.5 mph - N/A   Overcast