Marshalltown, IA

4:10 PM CDT on September 27, 2016 (GMT -0500)
Marshalltown Municipal

Weather History for KMIW - December, 2012

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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 22 °F 21 °F  
Max Temperature 32 °F 29 °F 49 °F (2015)
Min Temperature 11 °F 13 °F -9 °F (1999)
Degree Days  
Heating Degree Days 43 44  
Month to date heating degree days 603 818  
Since 1 July heating degree days 1994 2314  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1082 728  
Moisture  
Dew Point 20 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation 0.08 in 0.02 in 0.76 in (2006)
Month to date precipitation 0.92 0.73  
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 32 mph (NNW)    
Max Wind Speed 44 mph    
Max Gust Speed 53 mph    
Visibility 2 miles    
Events Fog , 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, 2012 Rise Set
Actual Time 7:36 AM CST 4:42 PM CST
Civil Twilight 7:04 AM CST 5:14 PM CST
Nautical Twilight 6:29 AM CST 5:49 PM CST
Astronomical Twilight 5:55 AM CST 6:23 PM CST
Moon 12:06 PM CST (12/20) 12:18 AM CST (12/20)
Length of Visible Light 10h 09m
Length of Day
9h 06m
First Quarter, 55% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:21 AM 32.0 °F 17.9 °F 30.2 °F 93% 29.67 in 0.2 mi NNE 28.8 mph 35.7 mph 0.01 in Fog , Snow Heavy Snow
12:32 AM 32.0 °F 18.1 °F 30.2 °F 93% 29.67 in 0.5 mi NNE 27.6 mph 35.7 mph 0.02 in Fog Fog
12:41 AM 32.0 °F 18.1 °F 30.2 °F 93% 29.65 in 0.5 mi NNE 27.6 mph - 0.03 in Fog , Snow Snow
12:53 AM 30.9 °F 16.4 °F 30.9 °F 100% 29.67 in 0.5 mi NNE 28.8 mph - 0.03 in Fog , Snow Snow
1:04 AM 30.2 °F 15.2 °F 30.2 °F 100% 29.64 in 0.5 mi NNE 29.9 mph - 0.00 in Fog Light Freezing Fog
1:48 AM 32.0 °F 18.1 °F 30.2 °F 93% 29.63 in 1.0 mi NNE 27.6 mph 38.0 mph 0.01 in Snow Light Snow
1:53 AM 32.0 °F 18.6 °F 30.9 °F 96% 29.65 in 1.0 mi NNE 25.3 mph 38.0 mph 0.01 in   Overcast
2:07 AM 32.0 °F 19.2 °F 30.2 °F 93% 29.64 in 1.0 mi NNE 23.0 mph 33.4 mph N/A   Overcast
2:20 AM 30.2 °F 15.4 °F 30.2 °F 100% 29.62 in 0.8 mi NNE 28.8 mph 34.5 mph N/A   Overcast
2:53 AM 30.9 °F 16.2 °F 30.9 °F 100% 29.63 in 0.8 mi North 29.9 mph 39.1 mph N/A   Mist
3:53 AM 30.9 °F 16.4 °F 30.0 °F 96% 29.62 in 0.5 mi North 28.8 mph 41.4 mph 0.01 in Fog Light Freezing Fog
4:53 AM 30.0 °F 14.9 °F 30.0 °F 100% 29.58 in 0.5 mi North 29.9 mph 41.4 mph N/A Fog Light Freezing Fog
5:53 AM 30.0 °F 14.0 °F 28.9 °F 96% 29.58 in 0.5 mi North 34.5 mph 43.7 mph 0.01 in Fog Light Freezing Fog
6:35 AM 30.2 °F 14.3 °F 28.4 °F 93% 29.55 in 0.5 mi North 34.5 mph 47.2 mph N/A Fog Light Freezing Fog
6:53 AM 28.0 °F 10.7 °F 28.0 °F 100% 29.59 in 0.5 mi North 38.0 mph 46.0 mph 0.01 in Fog Light Freezing Fog
7:04 AM 28.4 °F 10.8 °F 26.6 °F 93% 29.56 in 0.5 mi North 40.3 mph 49.5 mph N/A Fog Light Freezing Fog
7:53 AM 28.0 °F 10.5 °F 26.1 °F 92% 29.60 in 0.5 mi North 39.1 mph 48.3 mph N/A Fog Light Freezing Fog
8:29 AM 26.6 °F 8.7 °F 26.6 °F 100% 29.58 in 0.2 mi NNW 38.0 mph 52.9 mph 0.01 in Fog Light Freezing Fog
8:44 AM 26.6 °F 8.7 °F 26.6 °F 100% 29.58 in 0.2 mi NNW 38.0 mph 52.9 mph 0.01 in Fog Light Freezing Fog
8:53 AM 26.1 °F 7.9 °F 25.0 °F 96% 29.62 in 0.2 mi NNW 38.0 mph 50.6 mph 0.01 in Fog Light Freezing Fog
9:12 AM 26.6 °F 8.5 °F 24.8 °F 93% 29.60 in 0.2 mi NNW 39.1 mph 49.5 mph N/A Fog Light Freezing Fog
9:36 AM 24.8 °F 6.2 °F 23.0 °F 93% 29.62 in 0.2 mi NNW 38.0 mph 51.8 mph N/A Fog Light Freezing Fog
9:53 AM 25.0 °F 6.9 °F 23.0 °F 92% 29.65 in 0.2 mi NNW 35.7 mph 50.6 mph N/A Fog Light Freezing Fog
10:53 AM 25.0 °F 7.1 °F 21.9 °F 88% 29.68 in 0.8 mi NNW 34.5 mph 42.6 mph N/A   Mostly Cloudy
11:53 AM 24.1 °F 6.4 °F 21.0 °F 88% 29.68 in 0.8 mi NNW 32.2 mph 41.4 mph N/A   Mostly Cloudy
12:00 PM 24.8 °F 7.3 °F 21.2 °F 86% 29.64 in 0.8 mi NNW 32.2 mph 41.4 mph N/A   Mostly Cloudy
12:18 PM 24.8 °F 7.1 °F 21.2 °F 86% 29.64 in 1.0 mi NNW 33.4 mph 43.7 mph N/A   Mist
12:25 PM 24.8 °F 7.3 °F 21.2 °F 86% 29.64 in 0.8 mi NNW 32.2 mph 43.7 mph N/A   Scattered Clouds
12:50 PM 24.8 °F 6.2 °F 21.2 °F 86% 29.65 in 0.5 mi NW 38.0 mph 48.3 mph N/A Fog Light Freezing Fog
12:53 PM 24.1 °F 5.6 °F 21.0 °F 88% 29.69 in 0.5 mi NW 35.7 mph 48.3 mph N/A Fog Light Freezing Fog
1:03 PM 24.8 °F 6.2 °F 21.2 °F 86% 29.66 in 0.5 mi NNW 38.0 mph 50.6 mph N/A Fog Light Freezing Fog
1:26 PM 24.8 °F 6.8 °F 21.2 °F 86% 29.67 in 0.5 mi NW 34.5 mph 47.2 mph N/A Fog Light Freezing Fog
1:53 PM 25.0 °F 6.6 °F 21.9 °F 88% 29.71 in 0.5 mi NW 36.8 mph 47.2 mph N/A Fog Light Freezing Fog
2:53 PM 24.1 °F 5.2 °F 21.0 °F 88% 29.76 in 0.2 mi NW 38.0 mph 51.8 mph N/A Fog Light Freezing Fog
3:53 PM 21.0 °F 1.7 °F 18.0 °F 88% 29.82 in 0.5 mi NW 34.5 mph 49.5 mph N/A Fog Light Freezing Fog
4:53 PM 19.0 °F -1.1 °F 16.0 °F 88% 29.87 in 0.5 mi NW 34.5 mph 42.6 mph N/A Fog Light Freezing Fog
5:06 PM 19.4 °F -0.6 °F 15.8 °F 86% 29.84 in 1.2 mi NW 34.5 mph 46.0 mph N/A   Overcast
5:21 PM 19.4 °F 0.8 °F 15.8 °F 86% 29.85 in 2.0 mi NW 28.8 mph 38.0 mph N/A   Overcast
5:29 PM 17.6 °F -2.8 °F 15.8 °F 93% 29.85 in 1.8 mi NW 33.4 mph 41.4 mph N/A   Overcast
5:53 PM 18.0 °F -1.1 °F 15.1 °F 88% 29.90 in 1.2 mi NW 28.8 mph 44.9 mph N/A   Overcast
6:05 PM 17.6 °F -2.5 °F 15.8 °F 93% 29.86 in 2.0 mi NW 32.2 mph 39.1 mph N/A   Overcast
6:12 PM 17.6 °F -1.9 °F 15.8 °F 93% 29.87 in 1.5 mi NW 29.9 mph 39.1 mph N/A   Overcast
6:22 PM 17.6 °F -1.9 °F 15.8 °F 93% 29.87 in 2.5 mi NW 29.9 mph 36.8 mph N/A   Overcast
6:42 PM 17.6 °F -1.9 °F 14.0 °F 86% 29.89 in 4.0 mi NW 29.9 mph 36.8 mph N/A   Overcast
6:53 PM 17.1 °F -1.0 °F 12.9 °F 84% 29.93 in 3.0 mi NW 24.2 mph 36.8 mph N/A   Mostly Cloudy
7:13 PM 17.6 °F -2.8 °F 12.2 °F 79% 29.90 in 2.0 mi NW 33.4 mph 40.3 mph N/A   Mostly Cloudy
7:22 PM 15.8 °F -4.1 °F 12.2 °F 86% 29.90 in 1.8 mi NW 28.8 mph 44.9 mph N/A   Mostly Cloudy
7:29 PM 15.8 °F -4.7 °F 12.2 °F 86% 29.90 in 3.0 mi NW 31.1 mph 39.1 mph N/A   Mostly Cloudy
7:39 PM 15.8 °F -4.4 °F 12.2 °F 86% 29.90 in 4.0 mi NW 29.9 mph 39.1 mph N/A   Scattered Clouds
7:50 PM 15.8 °F -4.4 °F 12.2 °F 86% 29.91 in 2.5 mi NW 29.9 mph 40.3 mph N/A   Partly Cloudy
7:53 PM 15.1 °F -5.0 °F 12.0 °F 88% 29.96 in 2.5 mi NW 28.8 mph 36.8 mph N/A   Partly Cloudy
8:00 PM 15.8 °F -4.1 °F 10.4 °F 79% 29.91 in 4.0 mi NW 28.8 mph 36.8 mph N/A   Scattered Clouds
8:08 PM 15.8 °F -3.4 °F 10.4 °F 79% 29.92 in 3.0 mi NW 26.5 mph 35.7 mph N/A   Mostly Cloudy
8:16 PM 15.8 °F -4.1 °F 10.4 °F 79% 29.92 in 5.0 mi NW 28.8 mph 38.0 mph N/A   Scattered Clouds
8:35 PM 14.0 °F -6.8 °F 10.4 °F 86% 29.93 in 4.0 mi WNW 29.9 mph 35.7 mph N/A   Mostly Cloudy
8:46 PM 14.0 °F -6.5 °F 10.4 °F 86% 29.94 in 2.5 mi NW 28.8 mph 38.0 mph N/A   Mostly Cloudy
8:53 PM 14.0 °F -5.8 °F 10.0 °F 84% 29.99 in 3.0 mi NW 26.5 mph 38.0 mph N/A   Mostly Cloudy
9:13 PM 12.2 °F -8.2 °F 10.4 °F 92% 29.94 in 4.0 mi NW 26.5 mph 33.4 mph N/A   Scattered Clouds
9:53 PM 12.9 °F -6.9 °F 9.0 °F 84% 30.00 in 6.0 mi NW 25.3 mph - N/A   Clear
10:53 PM 12.0 °F -8.5 °F 8.1 °F 84% 30.02 in 7.0 mi WNW 26.5 mph - N/A   Partly Cloudy
11:10 PM 12.2 °F -6.7 °F 8.6 °F 85% 29.98 in 8.0 mi WNW 21.9 mph 31.1 mph N/A   Mostly Cloudy
11:53 PM 10.9 °F -9.2 °F 8.1 °F 88% 30.06 in 5.0 mi NW 24.2 mph 32.2 mph N/A   Overcast