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 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