Weather Observations for Champaign-Urbana, Illinois
Illinois State Water Survey, Prairie Research Institute, University of Illinois
September 2014 Heating Cooling 8am 8am 8am
Degree Degree Precipitation Snowfall Snow Depth
Day High Time (CST) Low Time (CST) Mean Days Days inches inches inches Comments
1 83 1:29 PM 69 11:27 PM 76 0 11 0.00 0 0
2 80 2:43 PM 67 2:46 AM 74 0 9 0.27 0 0 rain
3 85 12:38 PM 62 5:36 AM 74 0 9 0.00 0 0 heavy dew
4 88 2:34 PM 65 3:43 AM 77 0 12 0.00 0 0 fog
5 94 2:38 PM 63 11:57 PM 79 0 14 0.04 0 0 rain, fog
6 74 2:04 PM 55 11:59 PM 65 0 0 0.34 0 0 thunderstorms
7 78 2:33 PM 50 5:40 AM 64 1 0 0.00 0 0
8 81 3:24 PM 54 5:59 AM 68 0 3 0.00 0 0
9 71 4:18 PM 58 3:34 AM 65 0 0 0.15 0 0 thunderstorm
10 78 1:36 PM 64 11:53 PM 71 0 6 0.90 0 0 thunderstorms, rain
11 64 12:00 AM 51 11:58 PM 58 7 0 0.53 0 0 thunderstorms, rain
12 60 3:21 PM 46 11:58 PM 53 12 0 0.00 0 0
13 62 3:53 PM 40 6:13 AM 51 14 0 0.03 0 0 light rain
14 70 5:01 PM 42 6:22 AM 56 9 0 0.00 0 0
15 59 1:52 PM 47 2:02 AM 53 12 0 0.00 0 0
16 70 3:48 PM 48 11:59 PM 59 6 0 0.55 0 0 rain, thunder, fog
17 70 2:34 PM 45 5:52 AM 58 7 0 0.00 0 0 fog
18 74 2:40 PM 48 6:10 AM 61 4 0 0.00 0 0
19 77 1:47 PM 50 6:27 AM 64 1 0 0.00 0 0
20 83 12:59 PM 52 1:09 AM 68 0 3 0.00 0 0  
21 71 11:44 PM 55 11:59 PM 63 2 0 0.63 0 0 thunderstorms
22 70 3:38 PM 49 6:09 AM 60 5 0 0.00 0 0
23 75 3:02 PM 45 5:52 AM 60 5 0 0.00 0 0
24 77 2:33 PM 50 4:26 AM 64 1 0 0.00 0 0
25 80 4:26 PM 52 2:44 AM 66 0 1 0.00 0 0
26 82 2:51 PM 53 5:50 AM 68 0 3 0.00 0 0
27 83 3:24 PM 58 5:57 AM 71 0 6 0.00 0 0
28 84 2:48 PM 54 6:14 AM 69 0 4 0.00 0 0
29 84 3:42 PM 55 4:28 AM 70 0 5 0.00 0 0
30 71 1:04 PM 50 11:57 PM 61 4 0 0.00 0 0  
Average 75.9 53.2 64.9
Sum           90 86 3.44 0  
Highest 94 69 79 14 14 0.9 0 0
Lowest 59   40   51 0 0 0 0 0
Normal 78.2 54.2 66.2 79 115 3.13 0
Departure -2.3   -1.0   -1.3     0.31 0  
Days 90 1 Days 32 0
Notes:
Temperatures are from midnight to midnight (calendar day) and are in degrees Fahrenheit
Precipitation and snowfall are measured at 8 am and represent the previous 24 hours, T means a trace of precipitation
Time is always Central Standard Time (CST)
Heating and cooling degree days use a base temperature of 65F
Normal refers to the new 1981-2010 average
Days 90 means number of days with a high of 90 degrees or more, Days 32 means number of days with a low of 32 degrees or less