Des Moines, IA

9:02 AM CDT on August 27, 2016 (GMT -0500)
Des Moines International

Weather History for KDSM - December, 2011

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Tuesday, December 20, 2011

  Actual Average Record
Temperature  
Mean Temperature 33 °F 24 °F  
Max Temperature 36 °F 32 °F 61 °F (1941)
Min Temperature 29 °F 17 °F -13 °F (1901)
Degree Days  
Heating Degree Days 32 40  
Month to date heating degree days 672 753  
Since 1 July heating degree days 1748 2011  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1353 1066  
Moisture  
Dew Point 26 °F    
Average Humidity 78    
Maximum Humidity 89    
Minimum Humidity 66    
Precipitation  
Precipitation T in 0.05 in 0.93 in (1882)
Month to date precipitation 2.24 0.99  
Year to date precipitation 36.90 35.59  
Snow  
Snow T in 0.30 in 6.80 in (2012)
Month to date snowfall 1.9 5.9  
Since 1 July snowfall 5.6 8.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 7 mph (NNE)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 20, 2011 Rise Set
Actual Time 7:37 AM CST 4:47 PM CST
Civil Twilight 7:05 AM CST 5:18 PM CST
Nautical Twilight 6:30 AM CST 5:53 PM CST
Astronomical Twilight 5:56 AM CST 6:27 PM CST
Moon 2:57 AM CST (12/20) 1:25 PM CST (12/20)
Length of Visible Light 10h 13m
Length of Day
9h 10m
Waning Crescent, 21% of the Moon is Illuminated
Dec 20
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 32.0 °F 24.8 °F 23.0 °F 69% 30.24 in 10.0 mi NNE 8.1 mph - N/A   Overcast
1:54 AM 30.0 °F 21.7 °F 23.0 °F 75% 30.24 in 10.0 mi NNE 9.2 mph - N/A   Overcast
2:54 AM 30.0 °F 20.5 °F 21.9 °F 72% 30.22 in 10.0 mi NNE 11.5 mph - N/A   Overcast
3:54 AM 28.4 °F 18.0 °F 21.2 °F 74% 30.16 in 10.0 mi NE 12.7 mph - N/A   Overcast
4:54 AM 28.9 °F 19.2 °F 21.9 °F 75% 30.15 in 10.0 mi NE 11.5 mph - N/A   Overcast
5:54 AM 30.2 °F 21.3 °F 21.2 °F 69% 30.09 in 10.0 mi ENE 10.4 mph - N/A   Overcast
6:54 AM 30.0 °F 21.1 °F 21.9 °F 72% 30.10 in 10.0 mi NE 10.4 mph - N/A   Overcast
7:54 AM 30.0 °F 22.4 °F 21.9 °F 72% 30.11 in 10.0 mi NNE 8.1 mph - N/A   Overcast
8:54 AM 30.0 °F 23.2 °F 21.9 °F 72% 30.11 in 10.0 mi NE 6.9 mph - N/A   Overcast
9:28 AM 30.2 °F 21.9 °F 21.2 °F 69% 30.08 in 10.0 mi NNE 9.2 mph - N/A   Overcast
9:54 AM 30.9 °F 24.3 °F 21.9 °F 69% 30.10 in 10.0 mi NNE 6.9 mph - N/A   Overcast
10:09 AM 30.2 °F 21.3 °F 21.2 °F 69% 30.06 in 10.0 mi NNE 10.4 mph - N/A   Overcast
10:54 AM 30.0 °F 20.0 °F 21.9 °F 72% 30.07 in 10.0 mi NNE 12.7 mph - N/A   Overcast
11:54 AM 30.0 °F 24.1 °F 23.0 °F 75% 30.05 in 9.0 mi NNE 5.8 mph - 0.00 in Snow Light Snow
12:15 PM 30.2 °F 22.6 °F 24.8 °F 80% 30.00 in 9.0 mi NNE 8.1 mph - 0.00 in   Overcast
12:54 PM 33.1 °F 26.9 °F 25.0 °F 72% 30.00 in 10.0 mi NE 6.9 mph - 0.00 in   Overcast
1:03 PM 33.8 °F 27.7 °F 24.8 °F 70% 29.96 in 10.0 mi NNE 6.9 mph - N/A   Overcast
1:16 PM 33.8 °F 27.7 °F 24.8 °F 70% 29.96 in 10.0 mi ENE 6.9 mph - N/A   Overcast
1:37 PM 33.8 °F 27.7 °F 24.8 °F 70% 29.94 in 10.0 mi NNE 6.9 mph - N/A   Overcast
1:54 PM 34.0 °F 27.2 °F 26.1 °F 73% 29.96 in 10.0 mi NNE 8.1 mph - N/A   Overcast
2:03 PM 33.8 °F 27.0 °F 26.6 °F 75% 29.92 in 10.0 mi North 8.1 mph - N/A   Overcast
2:11 PM 35.6 °F 30.7 °F 26.6 °F 70% 29.92 in 10.0 mi NE 5.8 mph - N/A   Overcast
2:54 PM 35.6 °F 31.7 °F 26.6 °F 70% 29.89 in 10.0 mi NE 4.6 mph - N/A   Overcast
3:54 PM 34.0 °F 29.8 °F 27.0 °F 75% 29.90 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
4:54 PM 34.0 °F 29.8 °F 27.0 °F 75% 29.89 in 10.0 mi North 4.6 mph - N/A   Overcast
5:32 PM 33.8 °F 30.8 °F 28.4 °F 81% 29.85 in 10.0 mi NNE 3.5 mph - N/A   Overcast
5:44 PM 33.8 °F 30.8 °F 28.4 °F 81% 29.85 in 10.0 mi NE 3.5 mph - N/A   Overcast
5:54 PM 34.0 °F 31.0 °F 28.0 °F 79% 29.88 in 9.0 mi NNE 3.5 mph - N/A   Overcast
6:07 PM 33.8 °F 29.6 °F 28.4 °F 81% 29.86 in 9.0 mi NE 4.6 mph - N/A   Overcast
6:54 PM 33.8 °F 29.6 °F 28.4 °F 81% 29.86 in 8.0 mi NNE 4.6 mph - N/A   Overcast
7:24 PM 33.8 °F 30.8 °F 28.4 °F 81% 29.85 in 7.0 mi North 3.5 mph - 0.00 in Snow Light Snow
7:54 PM 33.1 °F 27.7 °F 28.9 °F 85% 29.86 in 5.0 mi North 5.8 mph - 0.00 in Snow Light Snow
8:17 PM 33.8 °F 29.6 °F 28.4 °F 81% 29.83 in 5.0 mi NNE 4.6 mph - 0.00 in Snow Light Snow
8:54 PM 33.1 °F 30.0 °F 30.0 °F 89% 29.84 in 4.0 mi North 3.5 mph - 0.00 in Snow Light Freezing Drizzle
9:30 PM 33.8 °F - 30.2 °F 87% 29.81 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
9:54 PM 33.1 °F - 30.0 °F 89% 29.83 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
10:33 PM 33.8 °F - 30.2 °F 87% 29.78 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
10:40 PM 33.8 °F - 30.2 °F 87% 29.78 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
10:51 PM 33.8 °F - 30.2 °F 87% 29.78 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
10:54 PM 33.1 °F - 30.0 °F 89% 29.81 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
11:54 PM 32.0 °F 27.5 °F 30.0 °F 92% 29.81 in 3.0 mi WSW 4.6 mph - 0.00 in Snow Light Snow