Weather History for Des Moines, IA

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 81 °F 74 °F  
Max Temperature 92 °F 84 °F 100 °F (1983)
Min Temperature 69 °F 65 °F 40 °F (1950)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 19 18  
Since 1 July heating degree days 0 1  
Cooling Degree Days 16 9  
Month to date cooling degree days 181 204  
Year to date cooling degree days 889 850  
Since 1 June cooling degree days 787 774  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 60    
Maximum Humidity 78    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.13 in 2.10 in (1891)
Month to date precipitation 0.98 2.73  
Year to date precipitation 23.54 25.32  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 12 mph (SSW)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:28 AM CDT 8:06 PM CDT
Civil Twilight 5:59 AM CDT 8:35 PM CDT
Nautical Twilight 5:23 AM CDT 9:10 PM CDT
Astronomical Twilight 4:45 AM CDT 9:48 PM CDT
Moon 7:37 PM CDT (8/20) 5:59 AM CDT (8/20)
Length of Visible Light 14h 36m
Length of Day
13h 37m
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
12:54 AM 71.1 °F - 61.0 °F 70% 29.97 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
1:54 AM 69.1 °F - 61.0 °F 75% 29.97 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
2:54 AM 69.1 °F - 61.0 °F 75% 29.97 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
3:54 AM 70.0 °F - 62.1 °F 76% 29.97 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
4:54 AM 71.1 °F - 62.1 °F 73% 29.96 in 10.0 mi South 8.1 mph - N/A   Overcast
5:54 AM 73.0 °F - 63.0 °F 71% 29.97 in 10.0 mi SSW 8.1 mph - N/A   Overcast
6:54 AM 72.0 °F - 63.0 °F 73% 29.99 in 10.0 mi South 8.1 mph - N/A   Overcast
7:54 AM 73.0 °F - 64.0 °F 73% 29.99 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
8:54 AM 75.9 °F - 64.9 °F 69% 29.99 in 9.0 mi South 13.8 mph - N/A   Scattered Clouds
9:54 AM 78.1 °F - 66.0 °F 66% 30.00 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
10:54 AM 81.0 °F 83.0 °F 66.0 °F 60% 29.99 in 10.0 mi SSW 17.3 mph - N/A   Mostly Cloudy
11:54 AM 84.9 °F 87.6 °F 66.9 °F 55% 29.98 in 10.0 mi SSW 15.0 mph - N/A   Scattered Clouds
12:54 PM 89.1 °F 90.3 °F 64.0 °F 43% 29.96 in 10.0 mi SSW 15.0 mph 24.2 mph N/A   Scattered Clouds
1:54 PM 89.1 °F 91.0 °F 64.9 °F 45% 29.95 in 10.0 mi SSW 16.1 mph - N/A   Partly Cloudy
2:54 PM 90.0 °F 91.7 °F 64.9 °F 43% 29.94 in 10.0 mi South 17.3 mph 23.0 mph N/A   Partly Cloudy
3:54 PM 91.0 °F 93.8 °F 66.0 °F 44% 29.92 in 10.0 mi South 15.0 mph - N/A   Partly Cloudy
4:54 PM 91.0 °F 93.0 °F 64.9 °F 42% 29.91 in 10.0 mi SSW 15.0 mph - N/A   Partly Cloudy
5:54 PM 90.0 °F 91.7 °F 64.9 °F 43% 29.91 in 10.0 mi SSW 15.0 mph - N/A   Clear
6:54 PM 88.0 °F 89.3 °F 64.0 °F 45% 29.91 in 10.0 mi SSW 12.7 mph - N/A   Clear
7:54 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.92 in 10.0 mi South 9.2 mph - N/A   Clear
8:54 PM 81.0 °F 82.7 °F 64.9 °F 58% 29.93 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
9:54 PM 80.1 °F 81.9 °F 64.9 °F 60% 29.95 in 10.0 mi South 10.4 mph - N/A   Clear
10:54 PM 78.1 °F - 64.9 °F 64% 29.95 in 10.0 mi South 8.1 mph - N/A   Clear
11:54 PM 75.9 °F - 64.9 °F 69% 29.96 in 10.0 mi South 9.2 mph - N/A   Clear