Weather Observations for Champaign-Urbana, Illinois
Illinois State Water Survey, Prairie Research Institute, University of Illinois
March 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 28 2:48 PM 17 11:22 PM 23 -11 42 0 0.64 8.3 12 34 32 20 new record snowfall for this date
2 29 1:22 PM 14 5:45 AM 22 -12 43 0 0.02 0.1 11 34 32 14 snow
3 37 4:33 PM 24 12:17 AM 31 -4 34 0 0.04 0.0 9 34 32 24 freezing rain, fog
4 33 12:00 AM 15 11:59 PM 24 -11 41 0 0.00 0.0 6 35 32 16  
5 16 12:15 PM -4 11:58 PM 6 -30 59 0 0.00 0.0 6 35 32 8 Record low temp (surpassed -2, 1960)
6 27 3:05 PM -9 4:18 AM 9 -27 56 0 0.00 0.0 6 34 32 -9 Record low temp (surpassed 4, 1899)
7 41 4:17 PM 23 12:00 AM 32 -4 33 0 0.00 0.0 6 34 32 23  
8 44 4:19 PM 23 5:50 AM 34 -3 31 0 0.00 0.0 5 35 32 23  
9 45 11:57 AM 30 4:41 AM 38 +1 27 0 0.00 0.0 3 35 32 30  
10 52 3:58 PM 33 9:36 PM 43 +5 22 0 0.06 0.0 T 35 33 36 rain, fog
11 64 2:03 PM 32 5:10 AM 48 +10 17 0 0.03 0.0 T 35 33 32 rain, fog
12 60 2:39 PM 33 5:43 AM 47 +9 18 0 0.00 0.0 0 36 35 33 fog
13 48 1:17 PM 39 7:17 AM 44 +5 21 0 0.11 0.0 0 43 38 40 rain
14 59 12:36 PM 41 11:57 PM 50 +11 15 0 0.03 0.0 0 45 40 44 rain, fog
15 65 2:09 PM 33 5:49 AM 49 +9 16 0 0.00 0.0 0 38 40 33  
16 74 2:38 PM 42 6:13 AM 58 +18 7 0 0.00 0.0 0 46 44 42 first day in the 70s in 2015
17 54 12:00 AM 33 11:56 PM 44 +4 21 0 0.00 0.0 0 49 46 38  
18 45 3:04 PM 28 5:45 AM 37 -4 28 0 0.00 0.0 0 44 43 28  
19 52 11:26 AM 37 4:56 AM 45 +4 20 0 0.00 0.0 0 45 43 37  
20 48 2:23 PM 36 11:59 PM 42 0 23 0 0.11 0.0 0 46 44 38 rain, fog
21 61 2:29 PM 32 2:01 AM 47 +5 18 0 0.00 0.0 0 44 43 32 fog
22 53 1:11 PM 33 11:59 PM 43 +1 22 0 0.00 0.0 0 46 45    
23 37 8:14 AM 29 11:45 PM 33 -10 32 0 0.00 0.0 0 46 44 31  
24 44 6:06 AM 26 5:49 AM 35 -8 30 0 0.03 0.0 0 42 41 26 rain
25 48 2:19 PM 40 12:00 AM 44 0 21 0 0.22 0.0 0 46 43 40 rain, fog
26 49 3:18 PM 33 11:53 PM 41 -3 24 0 0.37 0.0 0 46 44 34 rain, fog
27 36 2:21 PM 22 11:56 PM 29 -15 36 0 0.00 0.0 0 43 43 33  
28 40 4:09 PM 17 4:55 AM 29 -16 36 0 T T 0 40 40 17 snow
29 49 4:42 PM 23 1:51 AM 36 -9 29 0 0.00 0.0 0 41 40 23  
30 65 2:54 PM 34 3:21 AM 50 +4 15 0 0.04 0.0 0 42 41 34 rain
31 65 2:07 PM 41 11:49 PM 53 +7 12 0 0.00 0.0 0 47 44 43  
Avg/Sum 47.4   27.4   37.6   849 0 1.70 8.4   40.5 38.5    
Highest 74   42   58   59 0 0.64 8.3 12        
Lowest 16   -9   6   7 0 0.00 0.0 0        
Normal 49.9   30.0   40.0   777 1 2.86 2.6          
Departure -2.5   -2.6   -2.3   72 -1 -1.16 5.8          
Days ≥ 90 0 Days ≤ 32 17                        
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 65°F
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