Weather Observations for Champaign-Urbana, Illinois
Illinois State Water Survey, Prairie Research Institute, University of Illinois
June 2015
  Midnight to Midnight 8 AM Observations  
  Temperature (F) Degree Days Precipitation (inches) Soil Temperature (F) Temp. (F)  
Day High Time (CST) Low Time (CST) Mean Depart Heating Cooling Precipitation Snowfall Snow Depth 4 inch 8 inch Morning Low Comments
1 68 2:20 PM 52 3:43 AM 60 -8 5 0 0.01 0.0 0 66 65 52  
2 73 3:13 PM 51 4:30 AM 62 -6 3 0 0.00 0.0 0 66 66 51  
3 77 3:54 PM 52 4:56 AM 65 -4 0 0 0.00 0.0 0 67 67 52  
4 82 4:01 PM 55 4:02 AM 69 0 0 4 0.00 0.0 0 68 68 55  
5 85 12:53 PM 56 11:42 PM 71 +2 0 6 0.00 0.0 0 72 70 64 fog
6 79 2:57 PM 55 4:26 AM 67 -3 0 2 0.00 0.0 0 70 69 55  
7 89 3:10 PM 61 3:15 AM 75 +5 0 10 0.00 0.0 0 72 70 61  
8 82 4:05 PM 64 3:20 AM 73 +3 0 8 2.44 0.0 0 73 71 64 thunderstorms
9 86 2:54 PM 63 4:20 AM 75 +4 0 10 0.01 0.0 0 72 71 63 thunderstorm, fog
10 90 3:03 PM 68 4:25 AM 79 +8 0 14 0.00 0.0 0 75 72 68  
11 89 12:46 PM 68 4:47 AM 79 +8 0 14 0.00 0.0 0 77 74 68  
12 87 1:10 PM 68 4:31 AM 78 +6 0 13 0.20 0.0 0 78 75 68 rain
13 87 11:41 AM 68 12:54 AM 78 +6 0 13 1.08 0.0 0 78 75 68 thunderstorms
14 84 11:34 AM 71 4:36 AM 78 +6 0 13 0.31 0.0 0 79 76 71 rain
15 88 2:15 PM 70 11:07 PM 79 +7 0 14 0.03 0.0 0 79 76 71 rain
16 81 4:16 PM 65 11:59 PM 73 0 0 8 0.41 0.0 0 80 77 66 rain
17 77 1:24 PM 63 3:04 AM 70 -3 0 5 0.01 0.0 0 78 76 63  
18 84 11:02 AM 66 12:24 PM 75 +2 0 10 0.06 0.0 0 77 75 70 rain
19 74 1:54 PM 63 7:15 AM 69 -4 0 4 0.34 0.0 0 77 75 64 thunderstorm, rain, fog
20 82 3:27 PM 67 6:13 AM 75 +1 0 10 0.11 0.0 0 76 74 67 rain, fog
21 83 12:26 PM 67 5:01 AM 75 +1 0 10 0.28 0.0 0 77 75 67 rain
22 87 2:15 PM 70 4:22 AM 79 +5 0 14 0.00 0.0 0 78 76 70 thunder
23 81 2:36 PM 65 11:57 PM 73 -1 0 8 0.00 0.0 0 80 77 71  
24 75 5:21 PM 63 4:15 AM 69 -5 0 4 0.00 0.0 0 78 76 63  
25 82 1:50 PM 65 2:14 AM 74 -1 0 9 2.70 0.0 0 74 73 65  
26 71 2:52 AM 64 11:34 PM 68 -7 0 3 0.01 0.0 0 77 75 68  
27 76 3:23 AM 58 11:59 PM 67 -8 0 2 0.96 0.0 0 74 75 59  
28 77 11:28 AM 56 2:59 AM 67 -8 0 2 0.00 0.0 0 73 72 56  
29 79 2:55 PM 63 2:13 AM 71 -4 0 6 0.18 0.0 0 75 73 63  
30 82 2:45 PM 64 4:02 AM 73 -2 0 8 0.02 0.0 0 75 73 64 thunderstorm
Avg/Sum 81.2   62.7   72.2   8 224 9.16 0.0   74.7 72.9    
Highest 90   71   79   5 14 2.70 0.0 0        
Lowest 68   51   60   0 0 0.00 0.0 0        
Normal 82.5   61.9   72.2   17 233 4.34 0.0          
Departure -1.3   0.8   0.0   -9 -9 4.82 0.0          
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 # of days with a high temperature of 90 or more, "Days 32" means # of days with a low temperature of 32 or less