SEPTEMBER CLIMATIC NORMALS - BROWNSVILLE, TX

DAY	AVG. HIGH TEMP.	AVG. LOW TEMP.	AVG. DAILY TEMP.	AVG. HEATING DEG. DAY	AVG. COOLING DEG. DAY	AVG. DAILY PCPN.
1	92	75	84	0	19	.17
2	92	75	84	0	19	.17
3	92	75	83	0	18	.18
4	92	75	83	0	18	.19
5	92	75	83	0	18	.19
6	92	75	83	0	18	.20
7	92	75	83	0	18	.20
8	91	74	83	0	18	.20
9	91	74	83	0	18	.21
10	91	74	83	0	18	.21
11	91	74	83	0	18	.21
12	91	74	82	0	17	.21
13	91	74	82	0	17	.22
14	91	74	82	0	17	.22
15	91	74	82	0	17	.22
16	90	73	82	0	17	.22
17	90	73	82	0	17	.22
18	90	73	82	0	17	.22
19	90	73	81	0	16	.21
20	90	73	81	0	16	.21
21	90	72	81	0	16	.21
22	90	72	81	0	16	.21
23	89	72	81	0	16	.20
24	89	72	81	0	16	.20
25	89	72	80	0	15	.20
26	89	71	80	0	15	.19
27	89	71	80	0	15	.19
28	89	71	80	0	15	.18
29	88	71	80	0	15	.17
30	88	70	79	0	14	.17

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These normals are based on temperature and rainfall data collected in Brownsville, TX from 1961 - 1990.

The heating and cooling degree day data was computed using a base temperature of 65 Degrees F.

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