Weather History for Decorah, IA

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 82 °F 80 °F 97 °F (1955)
Min Temperature 64 °F 57 °F 37 °F (1950)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 77    
Maximum Humidity 94    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 8 mph (South)    
Max Wind Speed 14 mph    
Max Gust Speed 23 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

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Date:

Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:18 AM CDT 8:01 PM CDT
Civil Twilight 5:47 AM CDT 8:31 PM CDT
Nautical Twilight 5:10 AM CDT 9:08 PM CDT
Astronomical Twilight 4:31 AM CDT 9:48 PM CDT
Moon 7:31 PM CDT (8/20) 5:49 AM CDT (8/20)
Length of Visible Light 14h 44m
Length of Day
13h 43m
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 66.2 °F - 62.6 °F 88% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
12:35 AM 66.2 °F - 62.6 °F 88% 30.01 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
12:55 AM 64.4 °F - 62.6 °F 94% 30.01 in 9.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
1:15 AM 64.4 °F - 62.6 °F 94% 30.01 in 9.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
1:35 AM 64.4 °F - 62.6 °F 94% 30.01 in 9.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
1:55 AM 64.4 °F - 62.6 °F 94% 30.01 in 9.0 mi South 4.6 mph - N/A   Mostly Cloudy
2:15 AM 66.2 °F - 62.6 °F 88% 30.00 in 9.0 mi South 6.9 mph - N/A   Scattered Clouds
2:35 AM 66.2 °F - 62.6 °F 88% 30.00 in 9.0 mi South 6.9 mph - N/A   Mostly Cloudy
2:55 AM 66.2 °F - 62.6 °F 88% 30.00 in 9.0 mi South 6.9 mph - N/A   Mostly Cloudy
3:15 AM 66.2 °F - 62.6 °F 88% 30.00 in 9.0 mi South 6.9 mph - N/A   Overcast
3:35 AM 66.2 °F - 62.6 °F 88% 30.00 in 9.0 mi SSE 8.1 mph - N/A   Overcast
3:55 AM 64.4 °F - 62.6 °F 94% 30.00 in 8.0 mi South 8.1 mph - N/A   Overcast
4:15 AM 64.4 °F - 62.6 °F 94% 30.00 in 8.0 mi SSE 6.9 mph - N/A   Overcast
4:35 AM 64.4 °F - 60.8 °F 88% 30.00 in 8.0 mi SSE 5.8 mph - N/A   Overcast
4:55 AM 64.4 °F - 60.8 °F 88% 30.00 in 8.0 mi SSE 4.6 mph - N/A   Overcast
5:15 AM 64.4 °F - 60.8 °F 88% 30.01 in 10.0 mi South 4.6 mph - N/A   Overcast
5:35 AM 64.4 °F - 60.8 °F 88% 30.01 in 10.0 mi Variable 4.6 mph - N/A   Overcast
5:55 AM 64.4 °F - 60.8 °F 88% 30.01 in 9.0 mi SSE 3.5 mph - N/A   Overcast
6:15 AM 64.4 °F - 60.8 °F 88% 30.01 in 9.0 mi South 3.5 mph - N/A   Mostly Cloudy
6:35 AM 64.4 °F - 60.8 °F 88% 30.02 in 8.0 mi South 5.8 mph - N/A   Mostly Cloudy
6:55 AM 64.4 °F - 60.8 °F 88% 30.02 in 8.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
7:15 AM 66.2 °F - 62.6 °F 88% 30.02 in - South 8.1 mph - N/A   Overcast
7:35 AM 66.2 °F - 62.6 °F 88% 30.03 in 9.0 mi SSE 8.1 mph - N/A   Overcast
7:55 AM 68.0 °F - 62.6 °F 83% 30.03 in 9.0 mi South 6.9 mph 12.7 mph N/A   Overcast
8:15 AM 68.0 °F - 62.6 °F 83% 30.03 in 9.0 mi Variable 5.8 mph - N/A   Overcast
8:35 AM 69.8 °F - 62.6 °F 78% 30.03 in 10.0 mi South 8.1 mph - N/A   Overcast
8:55 AM 69.8 °F - 64.4 °F 83% 30.03 in 9.0 mi South 8.1 mph - N/A   Mostly Cloudy
9:15 AM 71.6 °F - 64.4 °F 78% 30.03 in 10.0 mi Variable 6.9 mph 13.8 mph N/A   Mostly Cloudy
9:35 AM 73.4 °F - 64.4 °F 73% 30.02 in 10.0 mi South 8.1 mph - N/A   Overcast
10:15 AM 75.2 °F - 66.2 °F 73% 30.02 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
10:35 AM 77.0 °F - 66.2 °F 69% 30.02 in 10.0 mi South 9.2 mph 19.6 mph N/A   Partly Cloudy
10:55 AM 77.0 °F - 66.2 °F 69% 30.02 in 10.0 mi South 11.5 mph 17.3 mph N/A   Scattered Clouds
11:15 AM 78.8 °F - 68.0 °F 69% 30.02 in 10.0 mi South 10.4 mph 17.3 mph N/A   Scattered Clouds
11:35 AM 78.8 °F - 68.0 °F 69% 30.02 in 8.0 mi SSW 12.7 mph - N/A   Clear
11:55 AM 78.8 °F - 68.0 °F 69% 30.02 in 10.0 mi South 8.1 mph 18.4 mph N/A   Mostly Cloudy
12:15 PM 80.6 °F 83.2 °F 68.0 °F 65% 30.01 in 9.0 mi South 10.4 mph 18.4 mph N/A   Mostly Cloudy
12:35 PM 78.8 °F - 68.0 °F 69% 30.01 in 10.0 mi South 12.7 mph 19.6 mph N/A   Mostly Cloudy
12:55 PM 80.6 °F 83.2 °F 68.0 °F 65% 30.00 in 9.0 mi South 12.7 mph 20.7 mph N/A   Mostly Cloudy
1:15 PM 80.6 °F 83.2 °F 68.0 °F 65% 30.00 in 10.0 mi South 12.7 mph 19.6 mph N/A   Mostly Cloudy
1:35 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.99 in 10.0 mi South 11.5 mph 18.4 mph N/A   Mostly Cloudy
1:55 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.99 in 10.0 mi South 12.7 mph 20.7 mph N/A   Mostly Cloudy
2:15 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.99 in 9.0 mi South 10.4 mph 21.9 mph N/A   Partly Cloudy
2:35 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.99 in 10.0 mi South 13.8 mph 23.0 mph N/A   Clear
2:55 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.98 in 10.0 mi South 10.4 mph 19.6 mph N/A   Clear
3:15 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.98 in 10.0 mi South 11.5 mph 20.7 mph N/A   Clear
3:35 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.97 in 10.0 mi South 10.4 mph 20.7 mph N/A   Partly Cloudy
3:55 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.97 in 9.0 mi South 10.4 mph 18.4 mph N/A   Scattered Clouds
4:15 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.97 in 10.0 mi South 10.4 mph 21.9 mph N/A   Mostly Cloudy
4:35 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.96 in 9.0 mi South 13.8 mph - N/A   Partly Cloudy
4:55 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.96 in 10.0 mi South 11.5 mph 18.4 mph N/A   Partly Cloudy
5:15 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.96 in 10.0 mi South 9.2 mph 19.6 mph N/A   Partly Cloudy
5:35 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.96 in - South 13.8 mph 19.6 mph N/A   Partly Cloudy
5:55 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.96 in 10.0 mi South 12.7 mph - N/A   Clear
6:15 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.96 in 10.0 mi South 9.2 mph 17.3 mph N/A   Clear
6:35 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.96 in 9.0 mi South 8.1 mph 17.3 mph N/A   Clear
6:55 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.96 in 10.0 mi South 9.2 mph - N/A   Clear
7:15 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.96 in 10.0 mi South 6.9 mph 12.7 mph N/A   Clear
7:35 PM 78.8 °F - 68.0 °F 69% 29.96 in 10.0 mi South 8.1 mph 13.8 mph N/A   Clear
7:55 PM 78.8 °F - 68.0 °F 69% 29.96 in 10.0 mi South 6.9 mph - N/A   Clear
8:15 PM 77.0 °F - 68.0 °F 74% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Clear
8:35 PM 77.0 °F - 68.0 °F 74% 29.97 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
8:55 PM 77.0 °F - 68.0 °F 74% 29.97 in 10.0 mi South 6.9 mph - N/A   Overcast
9:15 PM 77.0 °F - 68.0 °F 74% 29.98 in 10.0 mi SSE 4.6 mph - N/A   Overcast
9:35 PM 75.2 °F - 68.0 °F 78% 29.98 in 10.0 mi South 6.9 mph - N/A   Overcast
9:55 PM 75.2 °F - 68.0 °F 78% 29.99 in 10.0 mi Variable 6.9 mph - N/A   Overcast
10:15 PM 75.2 °F - 68.0 °F 78% 29.99 in 10.0 mi South 8.1 mph 15.0 mph N/A   Overcast
10:35 PM 75.2 °F - 68.0 °F 78% 29.99 in 10.0 mi SSE 6.9 mph 13.8 mph N/A   Overcast
10:55 PM 73.4 °F - 66.2 °F 78% 29.98 in 10.0 mi South 6.9 mph - N/A   Overcast
11:15 PM 73.4 °F - 66.2 °F 78% 29.98 in 10.0 mi South 8.1 mph - N/A   Overcast
11:35 PM 75.2 °F - 66.2 °F 73% 29.98 in 10.0 mi South 9.2 mph - N/A   Overcast
11:55 PM 75.2 °F - 66.2 °F 73% 29.98 in 10.0 mi South 9.2 mph 16.1 mph N/A   Overcast