Des Moines, IA

1:05 AM CST on November 21, 2017 (GMT -0600)
Des Moines International

Weather History for KDSM - December, 2011

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Sunday, December 18, 2011

  Actual Average Record
Temperature  
Mean Temperature 41 °F 25 °F  
Max Temperature 55 °F 33 °F 64 °F (1976)
Min Temperature 27 °F 17 °F -16 °F (1983)
Degree Days  
Heating Degree Days 24 40  
Month to date heating degree days 612 673  
Since 1 July heating degree days 1688 1931  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1353 1066  
Moisture  
Dew Point 31 °F    
Average Humidity 65    
Maximum Humidity 85    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.04 in 0.86 in (1968)
Month to date precipitation 2.24 0.90  
Year to date precipitation 36.90 35.50  
Snow  
Snow 0.00 in 0.30 in 5.70 in (2000)
Month to date snowfall 1.9 5.3  
Since 1 July snowfall 5.6 8.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 20 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
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. 18, 2011 Rise Set
Actual Time 7:35 AM CST 4:46 PM CST
Civil Twilight 7:04 AM CST 5:17 PM CST
Nautical Twilight 6:29 AM CST 5:52 PM CST
Astronomical Twilight 5:55 AM CST 6:26 PM CST
Moon 12:33 AM CST (12/18) 12:15 PM CST (12/18)
Length of Visible Light 10h 13m
Length of Day
9h 10m
Last Quarter, 42% of the Moon is Illuminated
Dec 18
Last Quarter
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 28.9 °F 23.9 °F 25.0 °F 85% 30.24 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:54 AM 30.0 °F 25.2 °F 26.1 °F 85% 30.22 in 10.0 mi SSW 4.6 mph - N/A   Clear
2:54 AM 28.9 °F 23.9 °F 25.0 °F 85% 30.21 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:54 AM 28.9 °F 23.9 °F 25.0 °F 85% 30.19 in 10.0 mi South 4.6 mph - N/A   Clear
4:54 AM 28.9 °F 22.8 °F 25.0 °F 85% 30.17 in 10.0 mi South 5.8 mph - N/A   Clear
5:54 AM 30.2 °F 22.6 °F 26.6 °F 86% 30.13 in 10.0 mi South 8.1 mph - N/A   Clear
6:54 AM 28.9 °F 23.9 °F 25.0 °F 85% 30.15 in 10.0 mi South 4.6 mph - N/A   Clear
7:54 AM 30.9 °F 23.5 °F 26.1 °F 82% 30.13 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
8:54 AM 35.1 °F 31.0 °F 28.0 °F 76% 30.13 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
9:54 AM 41.0 °F 34.7 °F 30.0 °F 65% 30.10 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
10:54 AM 48.0 °F - 32.0 °F 54% 30.07 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
11:54 AM 51.1 °F - 32.0 °F 48% 30.03 in 10.0 mi SW 16.1 mph 21.9 mph N/A   Scattered Clouds
12:54 PM 53.6 °F - 32.0 °F 44% 29.97 in 10.0 mi SW 17.3 mph - N/A   Scattered Clouds
1:54 PM 54.0 °F - 33.1 °F 45% 29.95 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
2:54 PM 54.0 °F - 34.0 °F 47% 29.92 in 10.0 mi SSW 16.1 mph 21.9 mph N/A   Mostly Cloudy
3:54 PM 51.1 °F - 36.0 °F 56% 29.91 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
4:54 PM 50.0 °F - 36.0 °F 59% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
5:54 PM 48.9 °F - 37.0 °F 64% 29.88 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
6:54 PM 45.0 °F 41.8 °F 35.1 °F 68% 29.89 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
7:54 PM 41.0 °F 36.4 °F 34.0 °F 76% 29.88 in 10.0 mi South 6.9 mph - N/A   Clear
8:54 PM 41.0 °F 35.8 °F 34.0 °F 76% 29.87 in 10.0 mi South 8.1 mph - N/A   Clear
9:54 PM 39.9 °F 34.5 °F 33.1 °F 77% 29.86 in 10.0 mi South 8.1 mph - N/A   Clear
10:54 PM 41.0 °F 34.7 °F 33.1 °F 73% 29.84 in 10.0 mi South 10.4 mph - N/A   Clear
11:54 PM 42.1 °F 37.1 °F 35.1 °F 76% 29.84 in 10.0 mi SW 8.1 mph - N/A   Clear