Alton, IL

4:40 PM CDT on July 24, 2017 (GMT -0500)
Saint Louis Regional

Weather History for KALN - August, 2013

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Saturday, August 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 80 °F 83 °F 98 °F (2003)
Min Temperature 55 °F 64 °F 55 °F (2008)
Cooling Degree Days 2    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 78    
Maximum Humidity 96    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 4 mph (NNE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 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

Aug. 17, 2013 Rise Set
Actual Time 6:15 AM CDT 7:51 PM CDT
Civil Twilight 5:47 AM CDT 8:20 PM CDT
Nautical Twilight 5:13 AM CDT 8:54 PM CDT
Astronomical Twilight 4:37 AM CDT 9:30 PM CDT
Moon 5:06 PM CDT (8/17) 2:20 AM CDT (8/17)
Length of Visible Light 14h 32m
Length of Day
13h 36m
Waxing Gibbous, 84% of the Moon is Illuminated
Aug 17
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 60.3 °F - 56.7 °F 88% 30.17 in 10.0 mi North 3.5 mph - N/A   Clear
12:35 AM 60.8 °F - 56.5 °F 86% 30.17 in 10.0 mi North 3.5 mph - N/A   Clear
12:55 AM 59.7 °F - 55.9 °F 87% 30.17 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 59.4 °F - 55.9 °F 88% 30.17 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 57.0 °F - 54.9 °F 92% 30.17 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 56.7 °F - 55.4 °F 96% 30.17 in 10.0 mi North 3.5 mph - N/A   Clear
2:15 AM 55.8 °F - 54.0 °F 94% 30.16 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 55.4 °F - 54.0 °F 95% 30.16 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:55 AM 55.6 °F - 54.1 °F 95% 30.16 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 57.6 °F - 55.8 °F 94% 30.16 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 57.9 °F - 55.4 °F 91% 30.17 in 10.0 mi North 4.6 mph - N/A   Clear
3:55 AM 58.6 °F - 55.6 °F 90% 30.17 in 10.0 mi North 3.5 mph - N/A   Clear
4:15 AM 58.1 °F - 55.4 °F 91% 30.17 in 10.0 mi North 3.5 mph - N/A   Clear
4:35 AM 58.1 °F - 55.4 °F 91% 30.17 in 10.0 mi North 5.8 mph - N/A   Clear
4:55 AM 58.6 °F - 55.6 °F 90% 30.17 in 10.0 mi North 5.8 mph - N/A   Clear
5:15 AM 58.3 °F - 55.4 °F 90% 30.17 in 10.0 mi North 4.6 mph - N/A   Clear
5:35 AM 58.5 °F - 55.6 °F 90% 30.17 in 10.0 mi North 4.6 mph - N/A   Clear
5:55 AM 58.3 °F - 55.6 °F 91% 30.17 in 10.0 mi North 4.6 mph - N/A   Clear
6:15 AM 58.3 °F - 55.6 °F 91% 30.18 in 10.0 mi North 4.6 mph - N/A   Clear
6:35 AM 58.1 °F - 55.6 °F 91% 30.18 in 10.0 mi North 4.6 mph - N/A   Clear
6:55 AM 58.3 °F - 55.8 °F 91% 30.18 in 10.0 mi North 3.5 mph - N/A   Clear
7:45 AM 59.0 °F - 57.2 °F 94% 30.19 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
10:50 AM 75.2 °F - 57.2 °F 53% 30.20 in 10.0 mi NNE 9.2 mph - N/A   Clear
11:45 AM 77.0 °F - 57.2 °F 50% 30.18 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
12:50 PM 78.8 °F - 55.4 °F 44% 30.17 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
1:50 PM 78.8 °F - 53.6 °F 42% 30.16 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
2:50 PM 78.8 °F - 53.6 °F 42% 30.15 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
3:50 PM 80.6 °F 80.3 °F 53.6 °F 39% 30.13 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
4:50 PM 78.8 °F - 55.4 °F 44% 30.13 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
5:50 PM 77.0 °F - 57.2 °F 50% 30.12 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
6:50 PM 75.2 °F - 57.2 °F 53% 30.12 in 10.0 mi ENE 9.2 mph - N/A   Mostly Cloudy
7:50 PM 71.6 °F - 59.0 °F 64% 30.14 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
8:50 PM 69.8 °F - 60.8 °F 73% 30.14 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
9:50 PM 68.0 °F - 60.8 °F 78% 30.14 in 10.0 mi NNE 11.5 mph - N/A   Mostly Cloudy
10:15 PM 66.2 °F - 61.0 °F 83% 30.14 in 10.0 mi North 3.5 mph - N/A   Clear
10:35 PM 66.0 °F - 60.8 °F 83% 30.14 in 10.0 mi NNE 3.5 mph - N/A   Clear
10:55 PM 66.2 °F - 60.3 °F 81% 30.14 in 10.0 mi NNE 3.5 mph - N/A   Clear
11:15 PM 66.0 °F - 59.9 °F 81% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 64.8 °F - 60.1 °F 85% 30.15 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:55 PM 64.8 °F - 60.3 °F 85% 30.15 in 10.0 mi Calm Calm - N/A   Overcast