Alton, IL

4:07 AM CDT on May 23, 2017 (GMT -0500)
Saint Louis Regional

Weather History for KALN - December, 2012

Change the Weather History Date:

Sunday, December 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 29 °F -  
Max Temperature 39 °F 38 °F 64 °F (2002)
Min Temperature 19 °F 23 °F -2 °F (2000)
Degree Days  
Heating Degree Days 36    
Moisture  
Dew Point 25 °F    
Average Humidity 73    
Maximum Humidity 86    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 10 mph (South)    
Max Wind Speed 23 mph    
Max Gust Speed 20 mph    
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

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 7:18 AM CST 4:47 PM CST
Civil Twilight 6:48 AM CST 5:17 PM CST
Nautical Twilight 6:15 AM CST 5:50 PM CST
Astronomical Twilight 5:42 AM CST 6:23 PM CST
Moon 7:17 PM CST (12/30) 8:28 AM CST (12/30)
Length of Visible Light 10h 28m
Length of Day
9h 29m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:45 AM 21.2 °F 16.4 °F 17.6 °F 86% 30.41 in 10.0 mi Variable 3.5 mph - N/A   Clear
7:45 AM 19.4 °F - 15.8 °F 86% 30.40 in 10.0 mi Calm Calm - N/A   Clear
8:45 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.41 in 10.0 mi South 4.6 mph - N/A   Clear
9:45 AM 30.2 °F 20.8 °F 23.0 °F 75% 30.42 in 10.0 mi SSW 11.5 mph - N/A   Clear
10:45 AM 33.8 °F 27.7 °F 24.8 °F 70% 30.42 in 10.0 mi South 6.9 mph - N/A   Clear
11:45 AM 35.6 °F 30.7 °F 24.8 °F 65% 30.39 in 10.0 mi SSE 5.8 mph - N/A   Clear
12:50 PM 37.4 °F 32.1 °F 24.8 °F 60% 30.36 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
1:50 PM 39.2 °F 33.0 °F 26.6 °F 61% 30.34 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
2:50 PM 39.2 °F 32.0 °F 26.6 °F 61% 30.33 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
3:47 PM 37.4 °F 29.8 °F 26.6 °F 65% 30.33 in 10.0 mi South 11.5 mph 17.3 mph N/A   Overcast
4:50 PM 35.6 °F 27.5 °F 26.6 °F 70% 30.30 in 10.0 mi South 11.5 mph - N/A   Overcast
5:50 PM 33.8 °F 23.2 °F 26.6 °F 75% 30.31 in 10.0 mi South 17.3 mph - N/A   Overcast
6:50 PM 35.6 °F 24.0 °F 26.6 °F 70% 30.28 in 10.0 mi South 23.0 mph - N/A   Overcast
7:50 PM 35.6 °F 25.2 °F 26.6 °F 70% 30.28 in 10.0 mi South 18.4 mph - N/A   Overcast
8:50 PM 35.6 °F 24.5 °F 26.6 °F 70% 30.25 in 10.0 mi South 20.7 mph - N/A   Overcast
9:15 PM 35.1 °F 25.5 °F 27.5 °F 74% 30.26 in 10.0 mi South 15.0 mph - N/A   Clear
9:35 PM 34.7 °F 24.7 °F 27.5 °F 75% 30.26 in 10.0 mi South 16.1 mph - N/A   Clear
9:50 PM 33.8 °F 21.6 °F 26.6 °F 75% 30.25 in 10.0 mi South 23.0 mph - N/A   Overcast
9:55 PM 34.5 °F 24.8 °F 27.5 °F 76% 30.24 in 10.0 mi South 15.0 mph - N/A   Clear
10:15 PM 34.2 °F 24.4 °F 27.3 °F 76% 30.23 in 10.0 mi South 15.0 mph 19.6 mph N/A   Clear
10:35 PM 34.0 °F 24.2 °F 27.3 °F 77% 30.23 in 10.0 mi South 15.0 mph - N/A   Clear
10:55 PM 34.0 °F 24.2 °F 27.1 °F 76% 30.23 in 10.0 mi South 15.0 mph - N/A   Clear
11:15 PM 33.8 °F 23.9 °F 26.6 °F 75% 30.24 in 10.0 mi South 15.0 mph - N/A   Clear
11:35 PM 33.8 °F 24.3 °F 26.6 °F 75% 30.21 in 10.0 mi South 13.8 mph - N/A   Clear
11:55 PM 33.4 °F 25.4 °F 26.6 °F 76% 30.22 in 10.0 mi South 10.4 mph - N/A   Clear