Weather History for Alton, IL

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Monday, March 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 43 °F -  
Max Temperature 51 °F 45 °F 66 °F (2011)
Min Temperature 35 °F 29 °F 6 °F (2002)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 29 °F    
Average Humidity 61    
Maximum Humidity 79    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 10 mph (ESE)    
Max Wind Speed 18 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events Snow    
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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Date:

Astronomy

Mar. 04, 2013 Rise Set
Actual Time 6:27 AM CST 5:56 PM CST
Civil Twilight 6:01 AM CST 6:22 PM CST
Nautical Twilight 5:30 AM CST 6:53 PM CST
Astronomical Twilight 4:59 AM CST 7:24 PM CST
Moon 12:35 AM CST (3/4) 10:40 AM CST (3/4)
Length of Visible Light 12h 21m
Length of Day
11h 28m
Waning Gibbous, 52% of the Moon is Illuminated
Mar 4
Waning Gibbous
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
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 36.5 °F 31.0 °F 23.0 °F 58% 30.05 in 10.0 mi ESE 6.9 mph - N/A   Overcast
12:55 AM 36.7 °F 30.5 °F 23.0 °F 58% 30.06 in 10.0 mi ESE 8.1 mph - N/A   Overcast
1:15 AM 36.9 °F 30.7 °F 23.0 °F 57% 30.05 in 10.0 mi East 8.1 mph - N/A   Overcast
1:35 AM 36.9 °F 31.4 °F 23.0 °F 57% 30.04 in 10.0 mi East 6.9 mph - N/A   Overcast
1:55 AM 36.9 °F 32.2 °F 23.5 °F 59% 30.04 in 10.0 mi ESE 5.8 mph - N/A   Overcast
2:15 AM 36.9 °F 30.7 °F 23.9 °F 59% 30.03 in 7.0 mi ESE 8.1 mph - N/A Snow Light Snow
2:35 AM 36.5 °F 30.3 °F 25.7 °F 65% 30.03 in 5.0 mi ESE 8.1 mph - N/A Snow Light Snow
2:55 AM 36.0 °F 29.6 °F 27.3 °F 71% 30.02 in 7.0 mi East 8.1 mph - N/A Snow Light Snow
3:15 AM 35.6 °F 27.5 °F 29.1 °F 77% 30.01 in 10.0 mi East 11.5 mph - N/A   Overcast
3:35 AM 35.6 °F 28.0 °F 29.3 °F 78% 30.01 in 10.0 mi East 10.4 mph - N/A   Overcast
3:55 AM 35.6 °F 27.5 °F 29.7 °F 79% 29.99 in 10.0 mi East 11.5 mph - N/A   Overcast
4:15 AM 35.6 °F 28.0 °F 29.3 °F 78% 29.99 in 10.0 mi East 10.4 mph - N/A   Overcast
4:35 AM 35.6 °F 28.0 °F 29.1 °F 77% 30.00 in 10.0 mi East 10.4 mph - N/A   Overcast
4:55 AM 35.8 °F 27.3 °F 28.9 °F 76% 29.99 in 10.0 mi East 12.7 mph 19.6 mph N/A   Overcast
5:15 AM 35.8 °F 27.3 °F 28.4 °F 75% 29.99 in 10.0 mi ESE 12.7 mph - N/A   Overcast
5:35 AM 36.0 °F 28.5 °F 28.4 °F 74% 29.98 in 10.0 mi East 10.4 mph - N/A   Overcast
6:50 AM 35.6 °F 25.5 °F 28.4 °F 75% 29.96 in 10.0 mi ESE 17.3 mph - N/A   Mostly Cloudy
7:50 AM 37.4 °F 28.2 °F 26.6 °F 65% 29.95 in 10.0 mi ESE 16.1 mph 23.0 mph N/A   Mostly Cloudy
8:50 AM 39.2 °F 30.2 °F 26.6 °F 61% 29.93 in 10.0 mi ESE 17.3 mph 25.3 mph N/A   Overcast
9:50 AM 42.8 °F 34.8 °F 28.4 °F 57% 29.91 in 10.0 mi ESE 17.3 mph 25.3 mph N/A   Overcast
10:55 AM 44.6 °F 36.9 °F 28.4 °F 53% 29.87 in 10.0 mi SE 18.4 mph 28.8 mph N/A   Overcast
11:50 AM 46.4 °F 39.5 °F 28.4 °F 50% 29.85 in 10.0 mi ESE 17.3 mph 27.6 mph N/A   Mostly Cloudy
12:50 PM 51.8 °F - 28.4 °F 41% 29.82 in 10.0 mi SE 17.3 mph 28.8 mph N/A   Mostly Cloudy
1:50 PM 51.8 °F - 28.4 °F 41% 29.81 in 10.0 mi SE 17.3 mph 27.6 mph N/A   Mostly Cloudy
2:50 PM 51.8 °F - 30.2 °F 44% 29.78 in 10.0 mi ESE 15.0 mph 27.6 mph N/A   Overcast
3:50 PM 50.0 °F - 30.2 °F 47% 29.79 in 10.0 mi ESE 11.5 mph 18.4 mph N/A   Overcast
4:50 PM 50.0 °F - 30.2 °F 47% 29.80 in 10.0 mi ESE 16.1 mph - N/A   Overcast
6:50 PM 46.4 °F 41.5 °F 32.0 °F 57% 29.83 in 10.0 mi East 10.4 mph - N/A   Overcast
9:15 PM 46.4 °F 42.4 °F 31.6 °F 56% 29.84 in 10.0 mi East 8.1 mph - N/A   Overcast
9:35 PM 45.7 °F 40.6 °F 32.0 °F 59% 29.84 in 10.0 mi East 10.4 mph - N/A   Overcast
9:55 PM 45.5 °F 41.3 °F 32.0 °F 59% 29.84 in 10.0 mi East 8.1 mph - N/A   Overcast
10:15 PM 45.1 °F 41.4 °F 32.0 °F 60% 29.84 in 10.0 mi East 6.9 mph - N/A   Overcast
10:35 PM 45.1 °F 41.4 °F 31.8 °F 60% 29.83 in 10.0 mi ENE 6.9 mph - N/A   Overcast
10:55 PM 45.1 °F - 31.1 °F 58% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 44.8 °F 42.4 °F 31.6 °F 60% 29.84 in 10.0 mi NE 4.6 mph - N/A   Overcast
11:35 PM 44.2 °F 41.0 °F 31.8 °F 62% 29.83 in 10.0 mi NE 5.8 mph - N/A   Overcast
11:55 PM 43.9 °F 39.9 °F 31.3 °F 61% 29.83 in 10.0 mi NE 6.9 mph - N/A   Overcast