Weather Observations for Champaign-Urbana, Illinois
Illinois State Water Survey, Prairie Research Institute, University of Illinois
February 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 33 2:13 PM 16 11:59 PM 25 -1 40 0 0.46 2.0 2 37 35 31 rain, snow
2 18 3:16 PM 10 4:59 AM 14 -12 51 0 0.22 1.8 4 37 36 10 rain, snow
3 36 3:12 PM 15 3:01 AM 26 0 39 0 T T 3 36 35 15 snow flurries
4 34 1:20 AM 9 11:54 PM 22 -4 43 0 0.00 0.0 3 37 35 30  
5 17 12:47 PM 2 7:24 AM 10 -16 55 0 0.04 1.1 4 36 35 2 snow
6 35 3:58 PM 13 1:54 AM 24 -2 41 0 0.00 0.0 4 36 35 13  
7 50 2:40 PM 27 12:04 AM 39 +12 26 0 0.00 0.0 3 36 34 27  
8 55 1:49 PM 32 11:58 PM 44 +17 21 0 0.00 0.0 T 36 34    
9 32 12:01 AM 26 10:58 AM 29 +2 36 0 T T 0 38 37 28 fog, snow
10 37 3:18 PM 26 6:48 AM 32 +5 33 0 T T 0 36 35 26 snow
11 36 11:14 AM 21 11:59 PM 29 +1 36 0 0.00 0.0 0 37 36 31  
12 21 12:01 AM 10 10:48 PM 16 -8 49 0 T T T 35 36 13 snow
13 29 9:37 PM 6 4:47 AM 18 -10 47 0 0.00 0.0 0 35 36 6  
14 28 6:51 AM 4 11:50 PM 16 -13 49 0 0.00 0.0 0 34 34 26  
15 19 1:42 PM 2 4:13 AM 11 -18 54 0 0.00 0.0 0 30 33 2  
16 21 3:18 PM 8 11:54 PM 15 -14 50 0 T T T 31 33 11 snow
17 30 1:48 PM 7 12:51 AM 19 -10 46 0 T T 0 30 33 7 snow flurries
18 17 12:01 AM 1 11:51 PM 9 -21 56 0 0.03 0.8 1 32 33 8 snow
19 10 2:32 PM -4 6:48 AM 3 -27 62 0 T T 1 29 32 -4 snow, blowing snow
20 19 2:12 PM -3 2:21 AM 8 -23 57 0 0.00 0.0 1 28 32 -3  
21 32 2:40 PM 17 12:00 AM 25 -6 40 0 0.39 5.6 6 32 32 17 snow
22 29 1:10 AM 6 11:59 PM 18 -13 47 0 T T 4 34 32 18 snow
23 17 2:54 PM -5 11:34 PM 6 -26 59 0 0.00 0.0 3 33 32 0 Record low temp (surpassed -4, 1910)
24 29 5:30 PM -16 6:17 AM 7 -25 58 0 0.00 0.0 3 31 32 -16 Record low temp (surpassed -2, 1967)
25 32 2:26 PM 11 5:50 AM 22 -10 43 0 0.00 0.0 3 32 32 11  
26 23 12:00 AM 10 11:46 PM 17 -16 48 0 0.09 1.1 4   32 17 snow
27 17 3:56 PM -3 6:37 AM 7 -26 58 0 T T 4 32 32 -3 snow
28 24 3:49 PM 4 2:00 AM 14 -20 51 0 0.00 0.0 4 31 32 4  
Avg/Sum 27.9   9.0   18.8   1295 0 1.23 12.4   33.7 33.8    
Highest 55   32   44   62 0 0.46 5.6 6        
Lowest 10   -16   3   21 0 0.00 0.0 0        
Normal 37.7   20.2   29.0   1009 0 2.13 5.8          
Departure -9.8   -11.2   -10.2   286 0 -0.90 6.6          
Days 90 0 Days 32 28                        
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