Southern Agricultural Research Center | Montana State University

"Serving the Land Grant Mission in South Central Montana"

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Hysham Weather Trends

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Date	Max	Min	Avg	Ppt	ETr	RH	BP	Rad	Ws	Wg
	- Air Temperature ° F -			--- in ---		%	in Hg	w m^-2	--- mph ---
29-Sep	85.9	40.2	61.1	0.00	0.14	65.5	29.9	604	2.3	10.0
30-Sep	88.7	43.5	65.7	0.00	0.17	62.3	29.8	577	4.1	18.9
1-Oct	80.2	46.6	64.2	0.00	0.19	64.6	29.9	617	5.1	18.4
2-Oct	84.0	38.4	60.1	0.00	0.14	58.9	30.0	578	2.9	11.2
3-Oct	71.7	42.4	58.2	0.00	0.13	61.5	29.9	433	4.7	12.7
4-Oct	57.3	48.2	51.8	0.59	0.02	94.3	29.9	93	4.6	12.5
5-Oct	53.5	36.5	46.5	0.22	0.09	85.2	30.1	693	8.5	19.1
6-Oct	60.7	36.7	46.1	0.00	0.10	81.0	30.2	654	3.6	16.1
7-Oct	68.4	31.6	47.5	0.00	0.12	75.6	30.1	589	3.0	14.7
8-Oct	76.5	31.4	51.0	0.00	0.12	70.9	29.9	541	2.7	12.8
9-Oct	72.2	34.8	52.1	0.00	0.12	72.9	30.1	465	4.0	13.1
10-Oct	72.8	37.8	54.2	0.00	0.08	79.5	30.0	474	3.3	13.3
11-Oct	81.0	37.3	56.1	0.81	0.10	83.3	29.6	592	4.6	23.9
12-Oct	54.0	32.8	42.7	0.57	0.06	86.9	29.7	291	10.8	28.6

PPT = precipitation (in); ETr = Reference evapo-transpiration (in); RH = relative humidity (%);
BP = barometric pressure (in Hg); RAD = peak solar radiation (watts/m²); WS = average wind speed (mph); WG = peak wind gust (mph);