HAMweather Climate Center - September Normals for Madison, IL

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Climatological Normals

Day	Temperatures (°F)			Precipitation (in)	Degree Days
Day	Min	Max	Avg	Precipitation (in)	Heating	Cooling
1	63	83	73	0.1	0	8
2	63	83	73	0.11	0	8
3	62	83	73	0.11	0	8
4	62	83	72	0.11	0	8
5	62	82	72	0.11	0	7
6	61	82	72	0.11	1	7
7	61	82	71	0.11	1	7
8	61	82	71	0.11	1	7
9	60	81	71	0.11	1	6
10	60	81	71	0.11	1	6
11	60	81	70	0.11	1	6
12	59	80	70	0.11	1	6
13	59	80	70	0.11	1	6
14	59	80	69	0.11	1	5
15	58	79	69	0.11	1	5
16	58	79	69	0.11	1	5
17	58	79	68	0.11	2	5
18	57	78	68	0.11	2	5
19	57	78	68	0.1	2	4
20	57	78	67	0.1	2	4
21	56	78	67	0.1	2	4
22	56	77	66	0.1	2	4
23	55	77	66	0.1	2	4
24	55	76	66	0.1	3	3
25	55	76	65	0.1	3	3
26	54	76	65	0.1	3	3
27	54	75	65	0.1	3	3
28	53	75	64	0.09	3	3
29	53	75	64	0.09	4	2
30	52	74	63	0.09	4	2
Month	58	79	69	3.14	48	154

Data Controls
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Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation		- Forecast - Past Weather