Alton, IL

9:11 PM CDT on April 25, 2018 (GMT -0500)
Saint Louis Regional

Weather History for KALN - December, 2012

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Friday, December 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 55 °F 44 °F 57 °F (2000)
Min Temperature 46 °F 30 °F 8 °F (2005)
Degree Days  
Heating Degree Days 14    
Moisture  
Dew Point 47 °F    
Average Humidity 89    
Maximum Humidity 94    
Minimum Humidity 82    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 2 mph (ENE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 5 miles    
Events Fog , Rain    
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

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Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:05 AM CST 4:37 PM CST
Civil Twilight 6:36 AM CST 5:07 PM CST
Nautical Twilight 6:02 AM CST 5:41 PM CST
Astronomical Twilight 5:30 AM CST 6:13 PM CST
Moon 12:28 AM CST (12/7) 12:32 PM CST (12/7)
Length of Visible Light 10h 31m
Length of Day
9h 32m
Last Quarter, 38% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 47.3 °F 43.2 °F 86% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
12:35 AM 48.2 °F 43.9 °F 85% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
12:55 AM 48.0 °F 43.5 °F 84% 29.93 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:15 AM 47.3 °F 43.3 °F 86% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:35 AM 47.3 °F 43.3 °F 86% 29.93 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:55 AM 47.7 °F 43.7 °F 86% 29.93 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 47.7 °F 43.9 °F 87% 29.93 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
2:35 AM 46.9 °F 43.3 °F 87% 29.93 in 7.0 mi East 3.5 mph - N/A   Clear
2:55 AM 48.2 °F 44.2 °F 86% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:15 AM 47.7 °F 44.1 °F 87% 29.92 in 7.0 mi ESE 3.5 mph - N/A   Scattered Clouds
3:35 AM 47.3 °F 43.9 °F 88% 29.91 in 7.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
3:55 AM 47.8 °F 44.6 °F 89% 29.90 in 7.0 mi Calm Calm - N/A   Overcast
4:15 AM 48.2 °F 44.8 °F 88% 29.89 in 7.0 mi Calm Calm - N/A   Overcast
4:35 AM 48.6 °F 45.1 °F 88% 29.89 in 7.0 mi ENE 3.5 mph - N/A   Overcast
5:15 AM 49.1 °F 45.7 °F 88% 29.89 in 7.0 mi ESE 3.5 mph - N/A   Overcast
5:35 AM 49.1 °F 45.9 °F 89% 29.89 in 5.0 mi Calm Calm - N/A   Overcast
5:55 AM 49.3 °F 46.4 °F 90% 29.90 in 5.0 mi Calm Calm - N/A   Overcast
6:50 AM 50.0 °F 48.2 °F 94% 29.89 in 0.5 mi ESE 4.6 mph - N/A Fog Light Drizzle
7:50 AM 50.0 °F 48.2 °F 94% 29.89 in 0.2 mi Calm Calm - N/A Fog Fog
8:50 AM 51.8 °F 50.0 °F 94% 29.89 in 0.2 mi East 4.6 mph - N/A Fog Fog
9:50 AM 51.8 °F 50.0 °F 94% 29.88 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
10:50 AM 51.8 °F 50.0 °F 94% 29.87 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
11:50 AM 53.6 °F 51.8 °F 94% 29.84 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
12:50 PM 53.6 °F 51.8 °F 94% 29.83 in 0.5 mi Variable 4.6 mph - N/A Fog Fog
1:50 PM 55.4 °F 53.6 °F 94% 29.81 in 2.0 mi Variable 4.6 mph - N/A Fog Fog
2:50 PM 55.4 °F 51.8 °F 88% 29.83 in 2.5 mi Variable 4.6 mph - N/A Fog Fog
3:50 PM 55.4 °F 51.8 °F 88% 29.83 in 4.0 mi WNW 10.4 mph - N/A   Overcast
4:50 PM 55.4 °F 50.0 °F 82% 29.84 in 7.0 mi NW 8.1 mph - N/A   Overcast
9:15 PM 51.8 °F 49.1 °F 90% 29.86 in 5.0 mi Calm Calm - N/A   Overcast
9:35 PM 51.4 °F 48.7 °F 90% 29.87 in 4.0 mi Calm Calm - N/A   Overcast
9:55 PM 51.6 °F 49.1 °F 91% 29.87 in 4.0 mi Calm Calm - N/A   Overcast
10:35 PM 51.4 °F 49.1 °F 92% 29.88 in 4.0 mi WNW 4.6 mph - N/A   Overcast
10:55 PM 51.4 °F 49.1 °F 92% 29.88 in 4.0 mi NW 4.6 mph - N/A   Overcast
11:15 PM 51.3 °F 48.7 °F 91% 29.88 in 4.0 mi NW 3.5 mph - N/A   Overcast
11:35 PM 51.1 °F 48.6 °F 91% 29.88 in 3.0 mi WNW 4.6 mph - N/A   Light Drizzle
11:55 PM 50.9 °F 48.4 °F 91% 29.88 in 2.5 mi Calm Calm - 0.01 in Rain Rain