Iowa City, IA

7:16 AM CDT on July 23, 2017 (GMT -0500)
Iowa City Municipal

Weather History for KIOW - September, 2012

Change the Weather History Date:

Thursday, September 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 62 °F  
Max Temperature 70 °F 75 °F 90 °F (1984)
Min Temperature 46 °F 50 °F 32 °F (1956)
Degree Days  
Heating Degree Days 7 4  
Month to date heating degree days 54 42  
Since 1 July heating degree days 57 50  
Cooling Degree Days 0 2  
Month to date cooling degree days 78 67  
Year to date cooling degree days 1256 889  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 50    
Maximum Humidity 77    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in 0.12 in 2.29 in (1965)
Month to date precipitation 2.45 2.38  
Year to date precipitation 19.78 28.53  
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 20, 2012 Rise Set
Actual Time 6:52 AM CDT 7:06 PM CDT
Civil Twilight 6:24 AM CDT 7:33 PM CDT
Nautical Twilight 5:51 AM CDT 8:06 PM CDT
Astronomical Twilight 5:18 AM CDT 8:39 PM CDT
Moon 12:15 PM CDT (9/20) 10:03 PM CDT (9/20)
Length of Visible Light 13h 09m
Length of Day
12h 13m
Waxing Crescent, 27% of the Moon is Illuminated
Sep 20
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 61.0 °F 39.9 °F 46% 29.90 in 10.0 mi NW 4.6 mph - N/A   Clear
1:52 AM 57.9 °F 41.0 °F 53% 29.92 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 54.0 °F 44.1 °F 69% 29.91 in 10.0 mi West 3.5 mph - N/A   Clear
3:52 AM 53.1 °F 41.0 °F 64% 29.91 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 50.0 °F 41.0 °F 71% 29.91 in 10.0 mi Calm Calm - N/A   Clear
5:52 AM 48.9 °F 39.0 °F 69% 29.92 in 10.0 mi West 3.5 mph - N/A   Clear
6:52 AM 46.9 °F 39.0 °F 74% 29.95 in 10.0 mi WSW 3.5 mph - N/A   Clear
8:52 AM 54.0 °F 37.9 °F 55% 29.98 in 10.0 mi NW 9.2 mph - N/A   Clear
9:52 AM 60.1 °F 37.0 °F 42% 29.97 in 10.0 mi NW 6.9 mph - N/A   Clear
10:52 AM 64.0 °F 37.9 °F 38% 29.97 in 10.0 mi NW 8.1 mph - N/A   Clear
11:52 AM 68.0 °F 35.1 °F 30% 29.96 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Clear
12:52 PM 69.1 °F 32.0 °F 25% 29.96 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Clear
1:52 PM 68.0 °F 30.9 °F 25% 29.95 in 10.0 mi NW 15.0 mph 24.2 mph N/A   Clear
2:52 PM 69.1 °F 33.1 °F 26% 29.95 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Clear
3:52 PM 69.1 °F 30.9 °F 24% 29.95 in 10.0 mi NW 20.7 mph 25.3 mph N/A   Clear
4:52 PM 66.9 °F 30.9 °F 26% 29.95 in 10.0 mi WNW 13.8 mph - N/A   Clear
5:52 PM 66.0 °F 33.1 °F 29% 29.94 in 10.0 mi West 9.2 mph - N/A   Clear
6:52 PM 62.1 °F 35.1 °F 37% 29.95 in 10.0 mi WSW 3.5 mph - N/A   Clear
7:52 PM 55.0 °F 39.0 °F 55% 29.96 in 10.0 mi SW 3.5 mph - N/A   Clear
8:52 PM 55.9 °F 39.0 °F 53% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:52 PM 54.0 °F 39.0 °F 57% 29.97 in 10.0 mi Calm Calm - N/A   Clear
10:52 PM 54.0 °F 37.9 °F 55% 29.96 in 10.0 mi Calm Calm - N/A   Clear
11:52 PM 52.0 °F 39.0 °F 61% 29.96 in 10.0 mi Calm Calm - N/A   Clear