History for Iowa City, IA

Thursday, December 20, 2012 — View Current Conditions
Thursday, December 20, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 25 °F 24 °F  
Max Temperature 35 °F 31 °F 56 °F (1967)
Min Temperature 15 °F 16 °F -12 °F (1963)
Degree Days
Heating Degree Days 40 41  
Month to date heating degree days 544 765  
Since 1 July heating degree days 1883 2072  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1266 912  
Moisture
Dew Point 27 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation
Precipitation 0.42 in 0.04 in 1.05 in (2006)
Month to date precipitation 1.29 1.18  
Year to date precipitation 26.12 35.94  
Sea Level Pressure
Sea Level Pressure 29.58 in    
Wind
Wind Speed 25 mph (North)    
Max Wind Speed 35 mph    
Max Gust Speed 49 mph    
Visibility 4 miles    
Events Fog , Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 19, 2013 Rise Set
Actual Time 7:29 AM CST 4:38 PM CST
Civil Twilight 6:57 AM CST 5:10 PM CST
Nautical Twilight 6:22 AM CST 5:45 PM CST
Astronomical Twilight 5:49 AM CST 6:19 PM CST
Moon 12:00 PM CST (12/20) 12:12 AM CST (12/20)
Length Of Visible Light 10h 12m
Length of Day
9h 09m
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
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Hourly Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:06 AM 33.8 °F 22.5 °F 32.0 °F 93% 29.63 in 9.0 mi ENE 19.6 mph 27.6 mph 0.00 in Rain Light Rain
12:52 AM 35.1 °F 24.8 °F 33.1 °F 92% 29.64 in 5.0 mi ENE 17.3 mph 26.5 mph 0.01 in Rain Light Rain
1:00 AM 35.6 °F 25.9 °F 33.8 °F 93% 29.61 in 3.0 mi ENE 16.1 mph 28.8 mph 0.03 in Rain Rain
1:14 AM 33.8 °F 24.3 °F 33.8 °F 100% 29.61 in 2.5 mi NE 13.8 mph 21.9 mph 0.05 in Rain Rain
1:17 AM 33.8 °F 23.9 °F 33.8 °F 100% 29.61 in 2.5 mi NE 15.0 mph - 0.05 in Rain Light Freezing Rain
1:24 AM 33.8 °F 23.9 °F 33.8 °F 100% 29.59 in 2.0 mi NE 15.0 mph - 0.06 in Rain Light Freezing Rain
1:42 AM 33.8 °F 23.2 °F 33.8 °F 100% 29.56 in 3.0 mi NE 17.3 mph 27.6 mph 0.07 in Rain Light Freezing Rain
1:52 AM 34.0 °F 22.7 °F 33.1 °F 96% 29.56 in 4.0 mi NE 19.6 mph 28.8 mph 0.07 in   Overcast
2:02 AM 33.8 °F 23.5 °F 33.8 °F 100% 29.56 in 4.0 mi NE 16.1 mph 31.1 mph 0.00 in Rain Light Freezing Rain
2:19 AM 33.8 °F 21.3 °F 33.8 °F 100% 29.53 in 3.0 mi NE 24.2 mph 29.9 mph 0.03 in Rain Light Freezing Rain
2:26 AM 33.8 °F 23.5 °F 33.8 °F 100% 29.53 in 2.0 mi NE 16.1 mph 36.8 mph 0.09 in Rain Light Freezing Rain
2:33 AM 33.8 °F 22.5 °F 33.8 °F 100% 29.52 in 3.0 mi NE 19.6 mph 27.6 mph 0.09 in Rain Light Freezing Rain
2:52 AM 34.0 °F 21.8 °F 33.1 °F 96% 29.51 in 10.0 mi NE 23.0 mph 32.2 mph 0.10 in   Overcast
4:52 AM 35.1 °F 24.8 °F 32.0 °F 89% 29.44 in 10.0 mi North 17.3 mph 24.2 mph N/A   Overcast
5:52 AM 33.1 °F 19.8 °F 32.0 °F 96% 29.40 in 5.0 mi North 26.5 mph 36.8 mph 0.07 in Rain Rain
6:24 AM 33.8 °F 21.6 °F 32.0 °F 93% 29.38 in 9.0 mi North 23.0 mph 35.7 mph 0.03 in Snow Light Snow
6:45 AM 33.8 °F 20.3 °F 30.2 °F 87% 29.38 in 1.8 mi North 28.8 mph 44.9 mph 0.04 in Snow Light Snow
6:52 AM 33.1 °F 19.6 °F 30.0 °F 89% 29.40 in 1.8 mi North 27.6 mph 39.1 mph 0.04 in Snow Light Snow
7:26 AM 32.0 °F 18.4 °F 30.2 °F 93% 29.37 in 1.0 mi North 26.5 mph 38.0 mph 0.01 in Snow Light Snow
7:44 AM 32.0 °F 19.8 °F 30.2 °F 93% 29.37 in 1.2 mi North 20.7 mph 35.7 mph 0.01 in Snow Light Snow
7:52 AM 32.0 °F 18.9 °F 30.0 °F 92% 29.40 in 1.5 mi North 24.2 mph 33.4 mph 0.01 in Snow Light Snow
8:17 AM 32.0 °F 18.1 °F 28.4 °F 87% 29.37 in 0.8 mi North 27.6 mph 35.7 mph 0.01 in Snow Light Snow
8:52 AM 32.0 °F 18.1 °F 28.9 °F 88% 29.39 in 0.8 mi North 27.6 mph 40.3 mph 0.01 in Snow Light Snow
9:52 AM 32.0 °F 19.8 °F 30.0 °F 92% 29.41 in 0.5 mi NNW 20.7 mph 36.8 mph 0.01 in Fog , Snow Light Snow
10:52 AM 32.0 °F 18.4 °F 30.0 °F 92% 29.42 in 0.2 mi NNW 26.5 mph 38.0 mph 0.02 in Fog , Snow Snow
11:52 AM 30.0 °F 16.3 °F 28.0 °F 92% 29.43 in 0.2 mi NNW 24.2 mph 43.7 mph 0.02 in Fog , Snow Snow
12:19 PM 28.4 °F 13.0 °F 26.6 °F 93% 29.42 in 0.2 mi NNW 28.8 mph 42.6 mph 0.01 in Fog , Snow Snow
12:52 PM 28.9 °F 13.7 °F 27.0 °F 92% 29.45 in 0.2 mi NNW 28.8 mph 49.5 mph 0.02 in Fog , Snow Snow
1:52 PM 28.9 °F 14.0 °F 26.1 °F 89% 29.50 in 0.5 mi NW 27.6 mph 39.1 mph 0.01 in Fog , Snow Light Snow
2:52 PM 27.0 °F 11.9 °F 24.1 °F 89% 29.57 in 0.2 mi NW 25.3 mph 44.9 mph 0.00 in Fog , Snow Snow
3:37 PM 28.4 °F 12.7 °F 24.8 °F 86% 29.60 in 0.8 mi NW 29.9 mph 41.4 mph 0.00 in   Overcast
3:42 PM 28.4 °F 13.8 °F 24.8 °F 86% 29.60 in 1.2 mi NW 25.3 mph 41.4 mph 0.00 in   Overcast
3:52 PM 28.0 °F 13.0 °F 23.0 °F 81% 29.64 in 1.0 mi NW 26.5 mph 44.9 mph 0.00 in Snow Light Snow
3:59 PM 26.6 °F 10.3 °F 23.0 °F 86% 29.62 in 1.5 mi NW 29.9 mph 39.1 mph 0.00 in   Overcast
4:13 PM 26.6 °F 10.6 °F 23.0 °F 86% 29.63 in 2.0 mi NW 28.8 mph 41.4 mph 0.00 in   Overcast
4:26 PM 26.6 °F 10.8 °F 21.2 °F 80% 29.65 in 3.0 mi NW 27.6 mph 38.0 mph 0.00 in   Overcast
4:37 PM 26.6 °F 10.3 °F 21.2 °F 80% 29.66 in 2.5 mi NW 29.9 mph 43.7 mph 0.00 in   Overcast
4:44 PM 26.6 °F 11.1 °F 21.2 °F 80% 29.67 in 3.0 mi NW 26.5 mph 43.7 mph 0.00 in   Overcast
4:52 PM 27.0 °F 10.5 °F 21.9 °F 81% 29.70 in 4.0 mi NW 31.1 mph 44.9 mph 0.00 in   Overcast
5:52 PM 26.1 °F 9.8 °F 21.0 °F 81% 29.75 in 5.0 mi NW 28.8 mph 43.7 mph 0.00 in Snow Light Snow
6:52 PM 24.1 °F 7.4 °F 19.9 °F 84% 29.78 in 6.0 mi NW 27.6 mph 39.1 mph 0.00 in   Overcast
7:52 PM 21.9 °F 4.2 °F 17.1 °F 82% 29.83 in 7.0 mi WNW 28.8 mph 40.3 mph 0.00 in   Overcast
8:41 PM 19.4 °F 2.5 °F 15.8 °F 86% 29.82 in 8.0 mi WNW 23.0 mph 36.8 mph 0.00 in   Mostly Cloudy
8:52 PM 19.0 °F 1.3 °F 14.0 °F 81% 29.86 in 6.0 mi WNW 25.3 mph 39.1 mph 0.00 in   Mostly Cloudy
9:52 PM 18.0 °F 0.2 °F 12.9 °F 81% 29.90 in 5.0 mi WNW 24.2 mph 35.7 mph 0.00 in   Haze
10:52 PM 16.0 °F -1.3 °F 10.9 °F 81% 29.93 in 10.0 mi WNW 20.7 mph 32.2 mph 0.00 in   Overcast
11:52 PM 15.1 °F -2.9 °F 10.0 °F 80% 29.96 in 10.0 mi WNW 21.9 mph 32.2 mph 0.00 in   Overcast
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