Weather History for Pontiac, IL

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 86 °F 82 °F 101 °F (1916)
Min Temperature 60 °F 62 °F 44 °F (1950)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 84    
Maximum Humidity 100    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 6 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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Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:09 AM CDT 7:45 PM CDT
Civil Twilight 5:40 AM CDT 8:14 PM CDT
Nautical Twilight 5:05 AM CDT 8:49 PM CDT
Astronomical Twilight 4:28 AM CDT 9:26 PM CDT
Moon 7:16 PM CDT (8/20) 5:39 AM CDT (8/20)
Length of Visible Light 14h 33m
Length of Day
13h 35m
Full, 100% of the Moon is Illuminated
Aug 20
Full
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 64.4 °F - 64.4 °F 100% 30.09 in 5.0 mi SSE 3.5 mph - N/A   Clear
12:35 AM 64.4 °F - 62.6 °F 94% 30.09 in 4.0 mi SSE 3.5 mph - N/A   Clear
12:55 AM 64.4 °F - 62.6 °F 94% 30.09 in 4.0 mi SSE 4.6 mph - N/A   Clear
1:15 AM 64.4 °F - 62.6 °F 94% 30.08 in 4.0 mi SSE 3.5 mph - N/A   Clear
1:35 AM 62.6 °F - 62.6 °F 100% 30.08 in 4.0 mi SSE 4.6 mph - N/A   Clear
1:55 AM 64.4 °F - 62.6 °F 94% 30.08 in 4.0 mi SSE 3.5 mph - N/A   Clear
2:15 AM 62.6 °F - 62.6 °F 100% 30.08 in 4.0 mi Calm Calm - N/A   Clear
2:35 AM 62.6 °F - 60.8 °F 94% 30.08 in 4.0 mi Calm Calm - N/A   Clear
2:55 AM 62.6 °F - 60.8 °F 94% 30.08 in 4.0 mi SSE 3.5 mph - N/A   Clear
3:15 AM 62.6 °F - 62.6 °F 100% 30.08 in 5.0 mi SSE 3.5 mph - N/A   Clear
3:35 AM 62.6 °F - 62.6 °F 100% 30.08 in 5.0 mi SSE 3.5 mph - N/A   Clear
3:55 AM 62.6 °F - 60.8 °F 94% 30.08 in 5.0 mi SSE 3.5 mph - N/A   Clear
4:15 AM 62.6 °F - 60.8 °F 94% 30.08 in 4.0 mi SSE 3.5 mph - N/A   Clear
4:35 AM 60.8 °F - 60.8 °F 100% 30.08 in 4.0 mi Calm Calm - N/A   Clear
4:55 AM 60.8 °F - 60.8 °F 100% 30.08 in 4.0 mi SE 4.6 mph - N/A   Clear
5:15 AM 60.8 °F - 60.8 °F 100% 30.09 in 4.0 mi Calm Calm - N/A   Clear
5:35 AM 60.8 °F - 60.8 °F 100% 30.10 in 4.0 mi Calm Calm - N/A   Clear
5:55 AM 60.8 °F - 60.8 °F 100% 30.10 in 4.0 mi Calm Calm - N/A   Clear
6:15 AM 60.8 °F - 59.0 °F 94% 30.11 in 2.5 mi SE 4.6 mph - N/A   Clear
6:35 AM 60.8 °F - 60.8 °F 100% 30.11 in 2.5 mi SE 4.6 mph - N/A   Clear
6:55 AM 60.8 °F - 60.8 °F 100% 30.12 in 2.0 mi SE 3.5 mph - N/A   Clear
7:15 AM 60.8 °F - 60.8 °F 100% 30.12 in 2.5 mi SSE 4.6 mph - N/A   Clear
7:35 AM 62.6 °F - 60.8 °F 94% 30.13 in 2.0 mi SE 4.6 mph - N/A   Clear
7:55 AM 64.4 °F - 64.4 °F 100% 30.13 in 3.0 mi Calm Calm - N/A   Clear
8:15 AM 68.0 °F - 66.2 °F 94% 30.14 in 5.0 mi Calm Calm - N/A   Clear
11:55 AM 82.4 °F 84.6 °F 66.2 °F 58% 30.13 in 10.0 mi SW 5.8 mph - N/A   Clear
12:15 PM 84.2 °F 86.6 °F 66.2 °F 55% 30.12 in 10.0 mi South 9.2 mph - N/A   Clear
1:15 PM 84.2 °F 86.6 °F 66.2 °F 55% 30.11 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
1:35 PM 84.2 °F 85.6 °F 64.4 °F 51% 30.10 in 10.0 mi South 3.5 mph - N/A   Clear
1:55 PM 86.0 °F 87.3 °F 64.4 °F 48% 30.10 in 10.0 mi South 8.1 mph - N/A   Clear
2:15 PM 84.2 °F 85.6 °F 64.4 °F 51% 30.10 in 10.0 mi SW 8.1 mph - N/A   Clear
2:35 PM 84.2 °F 85.6 °F 64.4 °F 51% 30.09 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
2:55 PM 86.0 °F 87.3 °F 64.4 °F 48% 30.08 in 10.0 mi South 9.2 mph - N/A   Clear
3:15 PM 86.0 °F 88.2 °F 66.2 °F 51% 30.08 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
3:35 PM 84.2 °F 85.6 °F 64.4 °F 51% 30.07 in 10.0 mi SSW 9.2 mph - N/A   Clear
3:55 PM 84.2 °F 85.6 °F 64.4 °F 51% 30.07 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
4:15 PM 86.0 °F 87.3 °F 64.4 °F 48% 30.07 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
4:35 PM 86.0 °F 86.6 °F 62.6 °F 45% 30.07 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
7:15 PM 78.8 °F - 66.2 °F 65% 30.06 in 10.0 mi South 3.5 mph - N/A   Clear
7:35 PM 75.2 °F - 68.0 °F 78% 30.06 in 10.0 mi SSE 4.6 mph - N/A   Clear
7:55 PM 73.4 °F - 68.0 °F 83% 30.06 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:15 PM 71.6 °F - 68.0 °F 88% 30.07 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:35 PM 69.8 °F - 66.2 °F 88% 30.07 in 7.0 mi SSE 3.5 mph - N/A   Clear
8:55 PM 69.8 °F - 66.2 °F 88% 30.07 in 7.0 mi SSE 4.6 mph - N/A   Clear
9:15 PM 69.8 °F - 66.2 °F 88% 30.07 in 7.0 mi SSE 3.5 mph - N/A   Clear
9:35 PM 68.0 °F - 66.2 °F 94% 30.07 in 7.0 mi South 3.5 mph - N/A   Clear
9:55 PM 68.0 °F - 66.2 °F 94% 30.08 in 7.0 mi SSE 4.6 mph - N/A   Clear
10:15 PM 68.0 °F - 66.2 °F 94% 30.08 in 7.0 mi SSE 4.6 mph - N/A   Clear
10:35 PM 66.2 °F - 64.4 °F 94% 30.09 in 7.0 mi South 4.6 mph - N/A   Clear
10:55 PM 66.2 °F - 66.2 °F 100% 30.09 in 7.0 mi SSE 3.5 mph - N/A   Clear
11:15 PM 66.2 °F - 64.4 °F 94% 30.08 in 7.0 mi Calm Calm - N/A   Clear
11:35 PM 66.2 °F - 64.4 °F 94% 30.09 in 7.0 mi SE 6.9 mph - N/A   Clear
11:55 PM 66.2 °F - 64.4 °F 94% 30.09 in 7.0 mi SSE 3.5 mph - N/A   Clear