Weather History for Alton, IL

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Tuesday, May 13, 2014

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 68 °F 73 °F 86 °F (1998)
Min Temperature 52 °F 55 °F 39 °F (2013)
Degree Days  
Heating Degree Days 5    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 98    
Maximum Humidity 100    
Minimum Humidity 91    
Precipitation  
Precipitation 0.10 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed 17 mph    
Visibility 7 miles    
Events Rain    
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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Astronomy

May. 13, 2014 Rise Set
Actual Time 5:49 AM CDT 8:04 PM CDT
Civil Twilight 5:19 AM CDT 8:33 PM CDT
Nautical Twilight 4:43 AM CDT 9:10 PM CDT
Astronomical Twilight 4:02 AM CDT 9:51 PM CDT
Moon 7:06 PM CDT (5/13) 5:05 AM CDT (5/13)
Length of Visible Light 15h 14m
Length of Day
14h 14m
Waxing Gibbous, 99% of the Moon is Illuminated
May 13
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 67.1 °F 67.1 °F 100% 29.92 in 10.0 mi Calm Calm - 0.01 in   Overcast
12:35 AM 66.9 °F 66.9 °F 100% 29.92 in 7.0 mi Calm Calm - 0.01 in Rain Light Rain
12:55 AM 66.9 °F 66.9 °F 100% 29.92 in 7.0 mi SE 4.6 mph - 0.02 in Rain Light Rain
1:15 AM 67.1 °F 67.1 °F 100% 29.93 in 10.0 mi South 4.6 mph - N/A Rain Light Rain
1:35 AM 67.1 °F 67.1 °F 100% 29.94 in 10.0 mi South 3.5 mph - N/A Rain Light Rain
1:55 AM 67.3 °F 67.3 °F 100% 29.95 in 7.0 mi SSW 5.8 mph - 0.01 in Rain Light Rain
2:15 AM 68.0 °F 68.0 °F 100% 29.96 in 5.0 mi SSW 9.2 mph - N/A   Drizzle
2:35 AM 68.0 °F 68.0 °F 100% 29.92 in 5.0 mi West 5.8 mph - 0.03 in Rain Rain
2:55 AM 67.8 °F 67.8 °F 100% 29.93 in 5.0 mi SSW 6.9 mph - 0.05 in Rain Rain
3:15 AM 67.5 °F 67.5 °F 100% 29.93 in 10.0 mi SSW 6.9 mph - N/A Rain Light Rain
3:35 AM 67.1 °F 67.1 °F 100% 29.91 in 7.0 mi South 4.6 mph - N/A Rain Rain
3:55 AM 66.4 °F 66.4 °F 100% 29.88 in 7.0 mi East 4.6 mph - 0.01 in   Drizzle
4:15 AM 66.4 °F 66.4 °F 100% 29.89 in 4.0 mi SE 3.5 mph - N/A   Mostly Cloudy
4:35 AM 66.4 °F 66.4 °F 100% 29.92 in 5.0 mi SSW 4.6 mph - N/A   Overcast
4:55 AM 66.4 °F 66.4 °F 100% 29.94 in 5.0 mi SSW 6.9 mph - N/A   Overcast
5:15 AM 66.2 °F 66.2 °F 100% 29.94 in 7.0 mi South 8.1 mph - N/A   Overcast
5:35 AM 66.2 °F 66.2 °F 100% 29.95 in 5.0 mi South 5.8 mph - N/A   Overcast
5:55 AM 64.4 °F 64.4 °F 100% 29.96 in 5.0 mi West 10.4 mph - N/A   Drizzle
6:15 AM 63.7 °F 63.7 °F 100% 29.96 in 4.0 mi WNW 9.2 mph - 0.01 in   Drizzle
6:35 AM 63.5 °F 63.5 °F 100% 29.97 in 10.0 mi WNW 9.2 mph - 0.01 in   Overcast
6:50 AM 62.6 °F 62.6 °F 100% 29.99 in 10.0 mi West 9.2 mph - N/A   Overcast
8:50 AM 59.0 °F 59.0 °F 100% 30.04 in 2.5 mi WNW 10.4 mph - N/A   Overcast
9:50 AM 59.0 °F 59.0 °F 100% 30.06 in 2.5 mi West 9.2 mph - N/A   Overcast
11:50 AM 59.0 °F 59.0 °F 100% 30.07 in 7.0 mi WNW 11.5 mph 16.1 mph N/A Rain Light Rain
12:45 PM 59.0 °F 57.2 °F 94% 30.09 in 7.0 mi WNW 10.4 mph - N/A   Light Drizzle
1:50 PM 57.2 °F 57.2 °F 100% 30.11 in 7.0 mi WNW 10.4 mph 17.3 mph N/A   Drizzle
2:55 PM 55.4 °F 55.4 °F 100% 30.12 in 4.0 mi WNW 11.5 mph - N/A   Drizzle
3:55 PM 53.6 °F 53.6 °F 100% 30.13 in 2.5 mi NW 9.2 mph - N/A   Overcast
4:50 PM 55.4 °F 53.6 °F 94% 30.14 in 10.0 mi NW 5.8 mph - N/A   Light Drizzle
5:50 PM 55.4 °F 53.6 °F 94% 30.15 in 10.0 mi NW 9.2 mph - N/A   Overcast
6:50 PM 55.4 °F 53.6 °F 94% 30.15 in 10.0 mi NW 6.9 mph - N/A   Overcast
7:50 PM 53.6 °F 51.8 °F 94% 30.17 in 10.0 mi NNW 9.2 mph - N/A   Overcast
8:50 PM 53.6 °F 51.8 °F 94% 30.17 in 10.0 mi NNW 9.2 mph - N/A   Overcast
9:50 PM 53.6 °F 51.8 °F 94% 30.20 in 10.0 mi NNW 4.6 mph - N/A   Overcast
10:15 PM 53.8 °F 52.2 °F 94% 30.21 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:35 PM 53.6 °F 51.1 °F 91% 30.22 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
11:15 PM 53.1 °F 50.9 °F 92% 30.21 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:35 PM 52.7 °F 50.9 °F 94% 30.21 in 10.0 mi NW 3.5 mph - N/A   Clear
11:55 PM 52.7 °F 51.1 °F 94% 30.21 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy