Weather History for Marshalltown, IA

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Saturday, April 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F 51 °F  
Max Temperature 52 °F 63 °F 80 °F (2007)
Min Temperature 31 °F 39 °F 29 °F (2011)
Degree Days  
Heating Degree Days 23 14  
Month to date heating degree days 278 372  
Since 1 July heating degree days 5323 6673  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 19 0  
Moisture  
Dew Point 36 °F    
Average Humidity 72    
Maximum Humidity 92    
Minimum Humidity 52    
Precipitation  
Precipitation 0.11 in 0.13 in 0.34 in (1999)
Month to date precipitation 2.84 2.07  
Year to date precipitation 5.03  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 23 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
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

Apr. 21, 2012 Rise Set
Actual Time 6:20 AM CDT 8:00 PM CDT
Civil Twilight 5:51 AM CDT 8:29 PM CDT
Nautical Twilight 5:15 AM CDT 9:05 PM CDT
Astronomical Twilight 4:37 AM CDT 9:44 PM CDT
Moon 6:16 AM CDT (4/21) 8:43 PM CDT (4/21)
Length of Visible Light 14h 38m
Length of Day
13h 39m
New Moon, 0% of the Moon is Illuminated
Apr 21
New Moon
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter
May 20
New

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 36.0 °F 33.3 °F 33.1 °F 89% 30.07 in 10.0 mi WNW 3.5 mph - N/A   Clear
1:53 AM 36.0 °F 33.3 °F 32.0 °F 86% 30.05 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:53 AM 34.0 °F - 30.9 °F 89% 30.04 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 34.0 °F - 30.9 °F 89% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 33.1 °F - 30.9 °F 92% 30.05 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 32.0 °F - 30.0 °F 92% 30.04 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 33.1 °F 30.0 °F 30.9 °F 92% 30.06 in 10.0 mi SW 3.5 mph - N/A   Clear
7:53 AM 37.9 °F - 35.1 °F 89% 30.05 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 44.1 °F 42.5 °F 37.0 °F 76% 30.05 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:53 AM 48.9 °F - 36.0 °F 61% 30.04 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
10:53 AM 50.0 °F - 34.0 °F 54% 30.05 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
11:53 AM 50.0 °F - 34.0 °F 54% 30.04 in 10.0 mi SW 9.2 mph - N/A   Overcast
12:53 PM 46.0 °F 43.1 °F 37.0 °F 71% 30.05 in 9.0 mi SSW 5.8 mph 18.4 mph 0.00 in Rain Light Rain
1:53 PM 48.0 °F - 37.9 °F 68% 30.01 in 10.0 mi SSW 4.6 mph - 0.00 in Rain Light Rain
2:53 PM 46.9 °F - 37.9 °F 71% 30.01 in 10.0 mi SW 10.4 mph - 0.00 in Rain Light Rain
3:53 PM 48.0 °F - 37.0 °F 66% 29.99 in 10.0 mi South 8.1 mph - 0.00 in   Overcast
4:53 PM 48.0 °F - 37.0 °F 66% 29.97 in 10.0 mi South 6.9 mph - N/A   Overcast
5:53 PM 50.0 °F - 37.0 °F 61% 29.95 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
6:53 PM 48.9 °F - 37.9 °F 66% 29.95 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
7:53 PM 46.9 °F - 39.9 °F 77% 29.94 in 9.0 mi Variable 4.6 mph - 0.01 in Rain Light Rain
8:53 PM 46.0 °F 41.9 °F 39.9 °F 79% 29.94 in 10.0 mi SSE 8.1 mph - 0.01 in   Scattered Clouds
9:53 PM 45.0 °F 40.6 °F 39.9 °F 82% 29.94 in 10.0 mi East 8.1 mph - 0.00 in   Mostly Cloudy
10:49 PM 44.6 °F 39.7 °F 39.2 °F 81% 29.94 in 5.0 mi SE 9.2 mph - 0.02 in Rain , Thunderstorm Rain
10:53 PM 45.0 °F 38.2 °F 39.9 °F 82% 29.94 in 6.0 mi SSE 15.0 mph - 0.03 in Rain , Thunderstorm Light Rain
11:08 PM 44.6 °F 41.4 °F 41.0 °F 87% 29.96 in 4.0 mi SSW 5.8 mph - 0.03 in Rain Rain
11:53 PM 44.1 °F 41.5 °F 39.9 °F 85% 29.94 in 10.0 mi ESE 4.6 mph - 0.06 in   Scattered Clouds