Weather History for Knoxville, IA

Change the Weather History Date:

Sunday, April 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 66 °F 63 °F 91 °F (1980)
Min Temperature 41 °F 40 °F 23 °F (1966)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 36 °F    
Average Humidity 51    
Maximum Humidity 66    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 14 mph (SSE)    
Max Wind Speed 24 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

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

Apr. 21, 2013 Rise Set
Actual Time 6:23 AM CDT 7:59 PM CDT
Civil Twilight 5:54 AM CDT 8:28 PM CDT
Nautical Twilight 5:19 AM CDT 9:03 PM CDT
Astronomical Twilight 4:41 AM CDT 9:41 PM CDT
Moon 3:42 PM CDT (4/21) 3:48 AM CDT (4/21)
Length of Visible Light 14h 34m
Length of Day
13h 35m
Waxing Gibbous, 80% of the Moon is Illuminated
Apr 21
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 41.0 °F 35.8 °F 28.4 °F 61% 30.26 in 10.0 mi ESE 8.1 mph - N/A   Overcast
12:35 AM 41.0 °F 34.3 °F 30.2 °F 65% 30.24 in 10.0 mi ESE 11.5 mph - N/A   Overcast
12:55 AM 41.0 °F 34.3 °F 28.4 °F 61% 30.25 in 10.0 mi SE 11.5 mph 18.4 mph N/A   Overcast
1:15 AM 41.0 °F 33.5 °F 28.4 °F 61% 30.24 in 10.0 mi SE 13.8 mph - N/A   Overcast
1:35 AM 41.0 °F 33.5 °F 28.4 °F 61% 30.22 in 10.0 mi ESE 13.8 mph 20.7 mph N/A   Overcast
4:15 AM 42.8 °F 36.2 °F 30.2 °F 61% 30.22 in 10.0 mi SE 12.7 mph 19.6 mph N/A   Overcast
4:35 AM 42.8 °F 37.5 °F 30.2 °F 61% 30.23 in 10.0 mi SE 9.2 mph - N/A   Overcast
4:55 AM 42.8 °F 35.4 °F 30.2 °F 61% 30.23 in 10.0 mi SE 15.0 mph - N/A   Overcast
5:15 AM 42.8 °F 37.0 °F 30.2 °F 61% 30.24 in 10.0 mi SE 10.4 mph - N/A   Overcast
5:35 AM 42.8 °F 36.2 °F 30.2 °F 61% 30.23 in 10.0 mi SE 12.7 mph - N/A   Overcast
5:55 AM 42.8 °F 36.6 °F 30.2 °F 61% 30.23 in 10.0 mi SE 11.5 mph 19.6 mph N/A   Overcast
6:15 AM 42.8 °F 35.8 °F 30.2 °F 61% 30.23 in 10.0 mi SE 13.8 mph - N/A   Overcast
6:35 AM 42.8 °F 35.1 °F 30.2 °F 61% 30.23 in 10.0 mi SE 16.1 mph - N/A   Overcast
6:55 AM 42.8 °F 36.6 °F 30.2 °F 61% 30.24 in 10.0 mi SE 11.5 mph 19.6 mph N/A   Overcast
7:15 AM 42.8 °F 36.2 °F 32.0 °F 66% 30.24 in 10.0 mi SE 12.7 mph 21.9 mph N/A   Overcast
7:35 AM 42.8 °F 36.2 °F 32.0 °F 66% 30.25 in 10.0 mi SSE 12.7 mph 18.4 mph N/A   Overcast
7:55 AM 42.8 °F 36.2 °F 32.0 °F 66% 30.25 in 10.0 mi SE 12.7 mph 24.2 mph N/A   Mostly Cloudy
8:15 AM 44.6 °F 37.8 °F 32.0 °F 61% 30.25 in 10.0 mi SE 15.0 mph - N/A   Mostly Cloudy
8:35 AM 44.6 °F 37.8 °F 32.0 °F 61% 30.25 in 10.0 mi SSE 15.0 mph 21.9 mph N/A   Mostly Cloudy
8:55 AM 46.4 °F 40.1 °F 33.8 °F 62% 30.25 in 10.0 mi SSE 15.0 mph - N/A   Mostly Cloudy
9:15 AM 48.2 °F - 33.8 °F 58% 30.24 in 10.0 mi SSE 16.1 mph 23.0 mph N/A   Scattered Clouds
9:35 AM 48.2 °F - 33.8 °F 58% 30.24 in 10.0 mi SSE 16.1 mph - N/A   Scattered Clouds
9:55 AM 50.0 °F - 35.6 °F 58% 30.24 in 10.0 mi SSE 17.3 mph 23.0 mph N/A   Partly Cloudy
10:15 AM 50.0 °F - 35.6 °F 58% 30.24 in 10.0 mi SSE 13.8 mph 20.7 mph N/A   Scattered Clouds
10:35 AM 53.6 °F - 37.4 °F 54% 30.23 in 10.0 mi South 18.4 mph - N/A   Mostly Cloudy
10:55 AM 53.6 °F - 37.4 °F 54% 30.23 in 10.0 mi South 18.4 mph 27.6 mph N/A   Mostly Cloudy
11:15 AM 53.6 °F - 37.4 °F 54% 30.23 in 10.0 mi SSE 18.4 mph - N/A   Scattered Clouds
11:35 AM 57.2 °F - 39.2 °F 51% 30.22 in 10.0 mi SSE 16.1 mph 24.2 mph N/A   Scattered Clouds
11:55 AM 59.0 °F - 39.2 °F 48% 30.21 in 10.0 mi South 20.7 mph 26.5 mph N/A   Clear
12:15 PM 60.8 °F - 41.0 °F 48% 30.20 in 10.0 mi South 18.4 mph 26.5 mph N/A   Clear
12:35 PM 60.8 °F - 41.0 °F 48% 30.19 in 10.0 mi South 17.3 mph 25.3 mph N/A   Clear
12:55 PM 62.6 °F - 41.0 °F 45% 30.18 in 10.0 mi South 21.9 mph - N/A   Clear
1:15 PM 64.4 °F - 41.0 °F 42% 30.17 in 10.0 mi SSW 18.4 mph 25.3 mph N/A   Clear
1:35 PM 64.4 °F - 41.0 °F 42% 30.16 in 10.0 mi South 20.7 mph 28.8 mph N/A   Partly Cloudy
1:55 PM 64.4 °F - 41.0 °F 42% 30.16 in 10.0 mi South 21.9 mph 29.9 mph N/A   Partly Cloudy
2:15 PM 66.2 °F - 41.0 °F 40% 30.15 in 10.0 mi SSW 20.7 mph 29.9 mph N/A   Clear
2:35 PM 64.4 °F - 41.0 °F 42% 30.14 in 10.0 mi South 20.7 mph 32.2 mph N/A   Scattered Clouds
2:55 PM 66.2 °F - 41.0 °F 40% 30.13 in 10.0 mi South 18.4 mph 28.8 mph N/A   Scattered Clouds
3:15 PM 66.2 °F - 41.0 °F 40% 30.12 in 10.0 mi South 23.0 mph 29.9 mph N/A   Clear
3:35 PM 64.4 °F - 41.0 °F 42% 30.12 in 10.0 mi South 18.4 mph 25.3 mph N/A   Scattered Clouds
3:55 PM 64.4 °F - 41.0 °F 42% 30.11 in 10.0 mi South 16.1 mph 29.9 mph N/A   Mostly Cloudy
4:15 PM 64.4 °F - 39.2 °F 40% 30.11 in 10.0 mi South 18.4 mph 28.8 mph N/A   Overcast
4:35 PM 64.4 °F - 39.2 °F 40% 30.10 in 10.0 mi South 15.0 mph 25.3 mph N/A   Overcast
4:55 PM 64.4 °F - 37.4 °F 37% 30.10 in 10.0 mi South 17.3 mph 26.5 mph N/A   Overcast
5:15 PM 66.2 °F - 37.4 °F 35% 30.09 in 10.0 mi South 19.6 mph 25.3 mph N/A   Overcast
5:35 PM 64.4 °F - 39.2 °F 40% 30.09 in 10.0 mi South 24.2 mph 32.2 mph N/A   Mostly Cloudy
5:55 PM 64.4 °F - 39.2 °F 40% 30.09 in 10.0 mi South 20.7 mph 28.8 mph N/A   Scattered Clouds
6:15 PM 64.4 °F - 39.2 °F 40% 30.10 in 10.0 mi South 19.6 mph 26.5 mph N/A   Overcast
6:35 PM 64.4 °F - 39.2 °F 40% 30.10 in 10.0 mi South 15.0 mph 23.0 mph N/A   Overcast
6:55 PM 62.6 °F - 37.4 °F 39% 30.10 in 10.0 mi South 15.0 mph 23.0 mph N/A   Overcast
7:15 PM 62.6 °F - 37.4 °F 39% 30.10 in 10.0 mi South 13.8 mph - N/A   Overcast
7:35 PM 62.6 °F - 37.4 °F 39% 30.10 in 10.0 mi South 13.8 mph - N/A   Overcast
7:55 PM 60.8 °F - 37.4 °F 42% 30.11 in 10.0 mi South 12.7 mph 19.6 mph N/A   Overcast
8:15 PM 59.0 °F - 37.4 °F 45% 30.11 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
8:35 PM 59.0 °F - 37.4 °F 45% 30.11 in 10.0 mi South 12.7 mph 19.6 mph N/A   Partly Cloudy
8:55 PM 59.0 °F - 37.4 °F 45% 30.12 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
9:15 PM 59.0 °F - 37.4 °F 45% 30.12 in 10.0 mi South 12.7 mph - N/A   Overcast
9:35 PM 59.0 °F - 37.4 °F 45% 30.13 in 10.0 mi SSE 10.4 mph 18.4 mph N/A   Overcast
9:55 PM 57.2 °F - 39.2 °F 51% 30.13 in 10.0 mi SSE 10.4 mph - N/A   Overcast
10:15 PM 57.2 °F - 39.2 °F 51% 30.13 in 10.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
10:35 PM 57.2 °F - 41.0 °F 55% 30.13 in - SSE 16.1 mph - N/A   Overcast
10:55 PM 57.2 °F - 41.0 °F 55% 30.13 in 10.0 mi SSE 13.8 mph 21.9 mph N/A   Overcast
11:15 PM 57.2 °F - 41.0 °F 55% 30.13 in 10.0 mi South 15.0 mph - N/A   Overcast
11:35 PM 55.4 °F - 41.0 °F 58% 30.14 in 10.0 mi South 13.8 mph - N/A   Overcast
11:55 PM 57.2 °F - 39.2 °F 51% 30.14 in 10.0 mi South 16.1 mph - N/A   Overcast