Alton, IL

4:50 AM CST on November 21, 2019 (GMT -0600)
Saint Louis Regional

Weather History for KALN - October, 2019

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Thursday, October 17, 2019

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 59 °F 66 °F 86 °F (2016)
Min Temperature 33 °F 44 °F 32 °F (2001)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 40 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 1 mph (WSW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Fog    
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

Oct. 17, 2019 Rise Set
Actual Time 7:11 AM CDT 6:19 PM CDT
Civil Twilight 6:44 AM CDT 6:46 PM CDT
Nautical Twilight 6:13 AM CDT 7:16 PM CDT
Astronomical Twilight 5:42 AM CDT 7:47 PM CDT
Moon 8:52 PM CDT (10/17) 10:41 AM CDT (10/17)
Length of Visible Light 12h 01m
Length of Day
11h 07m
Waning Gibbous, 86% of the Moon is Illuminated
Oct 17
Waning Gibbous
Oct 21
Last Quarter
Oct 27
New
Nov 4
First Quarter
Nov 12
Full

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 45.3 °F - 43.0 °F 92% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
12:35 AM 44.6 °F 43.1 °F 43.0 °F 94% 30.09 in 10.0 mi West 3.5 mph - N/A   Overcast
12:55 AM 43.7 °F - 42.8 °F 97% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:15 AM 42.8 °F - 42.8 °F 100% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:35 AM 42.8 °F - 42.8 °F 100% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:55 AM 41.9 °F - 41.9 °F 100% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:15 AM 41.2 °F 39.2 °F 41.2 °F 100% 30.11 in 10.0 mi West 3.5 mph - N/A   Clear
2:35 AM 41.5 °F - 41.5 °F 100% 30.10 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 38.7 °F - 38.7 °F 100% 30.10 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 39.4 °F - 39.4 °F 100% 30.10 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 37.8 °F - 37.8 °F 100% 30.09 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 37.2 °F - 37.2 °F 100% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 38.3 °F - 38.3 °F 100% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 36.5 °F - 36.5 °F 100% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 35.6 °F - 35.6 °F 100% 30.09 in 7.0 mi Calm Calm - N/A   Clear
5:15 AM 37.0 °F - 37.0 °F 100% 30.09 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 35.2 °F - 35.2 °F 100% 30.10 in 2.0 mi Calm Calm - N/A   Scattered Clouds
5:55 AM 35.2 °F - 35.2 °F 100% 30.09 in 5.0 mi Calm Calm - N/A   Scattered Clouds
6:15 AM 35.8 °F - 35.8 °F 100% 30.09 in 5.0 mi Calm Calm - N/A   Clear
6:35 AM 34.3 °F - 34.3 °F 100% 30.09 in 3.0 mi Calm Calm - N/A   Clear
6:52 AM 33.8 °F - 33.8 °F 100% 30.09 in 8.0 mi Calm Calm - N/A Fog Shallow Fog
7:47 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.10 in 6.0 mi Variable 3.5 mph - N/A   Partly Cloudy
8:48 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.12 in 8.0 mi Variable 3.5 mph - N/A   Partly Cloudy
9:48 AM 48.2 °F - 42.8 °F 82% 30.12 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:49 AM 51.8 °F - 42.8 °F 71% 30.11 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
11:45 AM 53.6 °F - 41.0 °F 62% 30.10 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
12:47 PM 55.4 °F - 41.0 °F 58% 30.09 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
1:47 PM 57.2 °F - 41.0 °F 55% 30.06 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
2:47 PM 57.2 °F - 41.0 °F 55% 30.03 in 10.0 mi WSW 3.5 mph - N/A   Clear
3:47 PM 59.0 °F - 41.0 °F 51% 30.03 in 10.0 mi Variable 3.5 mph - N/A   Clear
4:47 PM 59.0 °F - 41.0 °F 51% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Clear
5:50 PM 55.4 °F - 41.0 °F 58% 30.01 in 10.0 mi SSE 3.5 mph - N/A   Clear
6:50 PM 48.2 °F - 42.8 °F 82% 30.01 in 10.0 mi Calm Calm - N/A   Clear
7:50 PM 44.6 °F - 42.8 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
8:50 PM 42.8 °F - 42.8 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Clear
9:50 PM 41.0 °F - 41.0 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 41.0 °F 39.0 °F 41.0 °F 100% 30.02 in 10.0 mi East 3.5 mph - N/A   Clear
10:35 PM 40.1 °F - 40.1 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 39.9 °F - 39.9 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 40.1 °F 38.0 °F 40.1 °F 100% 30.02 in 10.0 mi ENE 3.5 mph - N/A   Clear
11:35 PM 38.5 °F - 38.5 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 39.2 °F - 39.2 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Clear