HAMweather Climate Center - September Normals for Mason, TN

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Climatological Normals

Day	Temperatures (°F)			Precipitation (in)	Degree Days
Day	Min	Max	Avg	Precipitation (in)	Heating	Cooling
1	64	87	76	0.1	0	11
2	64	87	76	0.11	0	11
3	64	87	75	0.11	0	10
4	64	87	75	0.11	0	10
5	63	86	75	0.11	0	10
6	63	86	75	0.12	0	10
7	63	86	74	0.12	0	9
8	63	86	74	0.12	0	9
9	62	85	74	0.12	0	9
10	62	85	74	0.12	0	9
11	62	85	73	0.12	0	9
12	62	85	73	0.13	0	8
13	61	84	73	0.13	0	8
14	61	84	73	0.13	0	8
15	61	84	72	0.13	0	8
16	60	84	72	0.13	1	7
17	60	83	72	0.13	1	7
18	60	83	71	0.13	1	7
19	59	83	71	0.13	1	7
20	59	82	71	0.13	1	7
21	58	82	70	0.13	1	6
22	58	82	70	0.12	1	6
23	58	82	70	0.12	1	6
24	57	81	69	0.12	1	6
25	57	81	69	0.12	1	5
26	56	81	69	0.12	2	5
27	56	80	68	0.12	2	5
28	56	80	68	0.12	2	5
29	55	80	68	0.11	2	5
30	55	80	67	0.11	2	4
Month	60	84	72	3.62	20	227

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