Weather History for Decorah, IA

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Friday, September 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 55 °F -  
Max Temperature 62 °F 68 °F 89 °F (2005)
Min Temperature 48 °F 47 °F 31 °F (1991)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 51    
Precipitation  
Precipitation 0.18 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 8 mph    
Max Gust Speed 14 mph    
Visibility 9 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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Date:

Astronomy

Sep. 21, 2012 Rise Set
Actual Time 6:53 AM CDT 7:05 PM CDT
Civil Twilight 6:25 AM CDT 7:33 PM CDT
Nautical Twilight 5:51 AM CDT 8:06 PM CDT
Astronomical Twilight 5:17 AM CDT 8:41 PM CDT
Moon 1:25 PM CDT (9/21) 10:56 PM CDT (9/21)
Length of Visible Light 13h 08m
Length of Day
12h 11m
Waxing Crescent, 37% of the Moon is Illuminated
Sep 21
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 48.2 °F 33.8 °F 58% 29.91 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
12:35 AM 48.2 °F 35.6 °F 62% 29.90 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
12:55 AM 50.0 °F 33.8 °F 54% 29.90 in 10.0 mi SSW 4.6 mph - N/A   Overcast
1:15 AM 50.0 °F 35.6 °F 58% 29.89 in 10.0 mi SSW 4.6 mph - N/A   Overcast
1:35 AM 50.0 °F 35.6 °F 58% 29.89 in 10.0 mi SSW 4.6 mph - N/A   Overcast
2:15 AM 51.8 °F 35.6 °F 54% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Overcast
2:35 AM 53.6 °F 35.6 °F 51% 29.88 in 10.0 mi SW 4.6 mph - N/A   Overcast
2:55 AM 53.6 °F 35.6 °F 51% 29.88 in 10.0 mi WSW 5.8 mph - N/A   Overcast
3:15 AM 53.6 °F 35.6 °F 51% 29.89 in 10.0 mi WSW 4.6 mph - N/A   Overcast
3:35 AM 53.6 °F 35.6 °F 51% 29.90 in 10.0 mi Variable 6.9 mph - N/A   Overcast
3:55 AM 53.6 °F 37.4 °F 54% 29.90 in 10.0 mi Variable 5.8 mph 12.7 mph N/A   Overcast
4:15 AM 51.8 °F 39.2 °F 62% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Overcast
4:35 AM 51.8 °F 42.8 °F 71% 29.90 in 8.0 mi West 8.1 mph - N/A Rain Light Rain
4:55 AM 50.0 °F 42.8 °F 76% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Overcast
5:15 AM 50.0 °F 42.8 °F 76% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
5:35 AM 50.0 °F 44.6 °F 82% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Overcast
5:55 AM 50.0 °F 44.6 °F 82% 29.89 in 10.0 mi Variable 5.8 mph - N/A   Overcast
6:15 AM 50.0 °F 44.6 °F 82% 29.89 in 10.0 mi SW 5.8 mph - N/A   Light Drizzle
6:35 AM 50.0 °F 44.6 °F 82% 29.89 in 9.0 mi Variable 5.8 mph - N/A Rain Light Rain
6:55 AM 48.2 °F 46.4 °F 93% 29.88 in 10.0 mi Calm Calm - 0.01 in   Overcast
7:15 AM 48.2 °F 46.4 °F 93% 29.89 in 10.0 mi SW 3.5 mph - N/A   Overcast
7:35 AM 48.2 °F 46.4 °F 93% 29.88 in 9.0 mi Calm Calm - N/A   Light Drizzle
7:55 AM 48.2 °F 46.4 °F 93% 29.88 in 7.0 mi Variable 3.5 mph - 0.03 in   Light Drizzle
8:15 AM 48.2 °F 46.4 °F 93% 29.88 in 4.0 mi Calm Calm - N/A Rain Light Rain
8:35 AM 48.2 °F 46.4 °F 93% 29.88 in 3.0 mi Calm Calm - N/A Rain Light Rain
8:55 AM 48.2 °F 46.4 °F 93% 29.89 in 5.0 mi Calm Calm - 0.08 in Rain Light Rain
9:15 AM 48.2 °F 46.4 °F 93% 29.89 in 5.0 mi Calm Calm - N/A Rain Light Rain
9:35 AM 48.2 °F 48.2 °F 100% 29.89 in 8.0 mi South 3.5 mph - N/A   Light Drizzle
9:55 AM 50.0 °F 48.2 °F 94% 29.87 in 10.0 mi South 6.9 mph - 0.03 in   Light Drizzle
10:15 AM 50.0 °F 48.2 °F 94% 29.87 in 10.0 mi South 6.9 mph - N/A   Overcast
10:35 AM 50.0 °F 48.2 °F 94% 29.85 in 10.0 mi South 8.1 mph - N/A   Overcast
10:55 AM 50.0 °F 48.2 °F 94% 29.85 in 10.0 mi SSW 6.9 mph - N/A   Overcast
11:15 AM 50.0 °F 48.2 °F 94% 29.85 in 8.0 mi South 8.1 mph - N/A Rain Light Rain
11:35 AM 51.8 °F 48.2 °F 88% 29.85 in 9.0 mi Variable 4.6 mph - N/A   Light Drizzle
11:55 AM 51.8 °F 48.2 °F 88% 29.85 in 10.0 mi South 3.5 mph - 0.01 in   Overcast
12:15 PM 53.6 °F 48.2 °F 82% 29.84 in 10.0 mi Variable 5.8 mph 12.7 mph N/A   Overcast
12:35 PM 53.6 °F 50.0 °F 88% 29.84 in 10.0 mi Variable 3.5 mph - N/A   Overcast
12:55 PM 55.4 °F 48.2 °F 77% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
1:15 PM 55.4 °F 48.2 °F 77% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
1:35 PM 57.2 °F 48.2 °F 72% 29.82 in 10.0 mi Calm Calm - N/A   Overcast
1:55 PM 57.2 °F 48.2 °F 72% 29.82 in 10.0 mi Variable 3.5 mph - N/A   Overcast
2:15 PM 57.2 °F 48.2 °F 72% 29.81 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:35 PM 59.0 °F 48.2 °F 67% 29.81 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
2:55 PM 60.8 °F 46.4 °F 59% 29.80 in 10.0 mi Variable 5.8 mph - N/A   Clear
3:15 PM 60.8 °F 44.6 °F 55% 29.80 in 10.0 mi NW 6.9 mph - N/A   Clear
3:35 PM 62.6 °F 44.6 °F 52% 29.79 in 10.0 mi Variable 6.9 mph 12.7 mph N/A   Scattered Clouds
3:55 PM 60.8 °F 44.6 °F 55% 29.79 in 10.0 mi Variable 5.8 mph 13.8 mph N/A   Mostly Cloudy
4:15 PM 59.0 °F 48.2 °F 67% 29.79 in 4.0 mi Variable 4.6 mph - N/A Rain Rain
4:35 PM 57.2 °F 50.0 °F 77% 29.79 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
4:55 PM 59.0 °F 50.0 °F 72% 29.79 in 10.0 mi NW 5.8 mph - 0.02 in   Scattered Clouds
5:15 PM 59.0 °F 48.2 °F 67% 29.79 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
5:35 PM 59.0 °F 50.0 °F 72% 29.80 in 10.0 mi Calm Calm - N/A   Overcast
5:55 PM 59.0 °F 44.6 °F 59% 29.80 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
6:15 PM 59.0 °F 46.4 °F 63% 29.80 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
6:35 PM 57.2 °F 44.6 °F 63% 29.81 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
6:55 PM 57.2 °F 46.4 °F 67% 29.81 in - Calm Calm - N/A   Overcast
7:15 PM 55.4 °F 44.6 °F 67% 29.82 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
7:35 PM 55.4 °F 44.6 °F 67% 29.82 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:55 PM 55.4 °F 44.6 °F 67% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
8:15 PM 55.4 °F 44.6 °F 67% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
8:35 PM 53.6 °F 44.6 °F 72% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
8:55 PM 51.8 °F 44.6 °F 76% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:15 PM 51.8 °F 44.6 °F 76% 29.84 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:35 PM 51.8 °F 44.6 °F 76% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:55 PM 50.0 °F 44.6 °F 82% 29.83 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:15 PM 48.2 °F 44.6 °F 87% 29.83 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:35 PM 48.2 °F 44.6 °F 87% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:55 PM 48.2 °F 44.6 °F 87% 29.82 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 48.2 °F 44.6 °F 87% 29.81 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
11:35 PM 48.2 °F 42.8 °F 82% 29.81 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
11:55 PM 48.2 °F 42.8 °F 82% 29.81 in 10.0 mi SSW 3.5 mph - N/A   Overcast