Chalk Mountain Climatology

Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

Chalk Mountain (Erath County)

32º 09' N 97º 56' W

1150 ft

30 Year Precipitation Normals (1981-2010)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Month	1.83	2.37	3.12	2.89	4.60	4.56	1.84	2.37	3.07	3.51	2.24	2.13	34.53
Monthly Precipitation
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
2014	INACTIVE
2013	3.62	1.20	0.49	2.03	2.78	0.65	3.38	1.63	4.10	2.69	1.62	5.40	29.59
2012	5.89	2.74	4.93	0.36	4.32	1.69	1.24	1.48	3.59	0.52	0.00	M	NA
2011	1.05	1.17	0.07	0.98	3.28	0.27	0.20	0.86	1.74	3.16	1.04	3.37	17.19
2010	3.38	1.45	2.79	3.07	1.55	2.88	1.62	0.63	6.17	2.47	0.73	1.13	27.87
2009	0.74	0.79	3.92	5.04	3.18	1.33	3.52	0.67	7.24	7.35	1.88	1.07	36.73
2008	1.11	1.15	3.22	5.21	1.40	2.19	1.18	3.39	1.13	1.81	0.82	0.10	22.71
2007	4.14	0.75	6.17	5.50	9.14	13.41	7.50	1.80	3.07	3.17	1.81	0.86	57.32
2006	3.58	1.56	5.81	3.24	2.55	1.92	0.71	2.55	1.22	4.22	2.55	1.13	31.04
2005	1.78	3.70	1.74	0.00	4.01	1.26	2.03	5.80	1.05	0.86	0.00	0.48	22.71
2004	1.59	4.59	1.00	8.08	2.27	10.56	0.59	4.86	1.70	2.13	7.88	0.22	45.47
2003	0.88	3.55	1.64	2.75	2.89	4.82	1.47	2.45	3.63	2.41	0.55	0.95	27.99
2002	2.16	1.25	6.16	3.31	7.06	3.60	3.15	0.35	2.19	5.13	0.89	3.39	38.64
2001	3.63	4.54	3.73	1.00	2.59	1.68	0.17	4.72	2.16	1.93	4.25	2.02	32.42
2000	1.63	0.95	0.75	2.89	1.91	9.37	0.00	0.00	0.28	5.67	5.44	1.80	30.69
1999	1.53	0.00	2.24	2.50	2.66	3.36	0.21	0.00	1.29	2.14	0.00	2.24	18.17
1998	1.66	4.30	4.26	0.33	1.95	3.38	1.19	1.34	2.45	3.30	4.46	2.50	31.12
1997	1.22	7.53	3.05	6.40	2.85	6.51	1.67	0.89	0.82	5.15	1.18	4.05	41.32
1996	0.90	0.29	1.06	2.46	2.50	3.54	3.86	6.93	5.34	2.10	2.77	0.31	32.06
1995	1.92	0.41	4.83	2.78	5.86	4.15	8.03	2.16	2.71	0.21	1.78	0.72	35.56
1994	1.33	1.94	1.48	2.65	6.94	2.35	1.73	6.05	6.58	5.89	5.11	2.89	44.94
1993	2.14	3.58	3.30	2.36	3.10	3.48	0.00	0.07	3.15	6.83	1.95	2.14	32.10
1992	3.25	4.62	1.71	2.16	3.94	3.64	1.18	2.60	1.35	1.12	3.09	5.04	33.70
1991	3.59	1.80	0.93	3.31	5.38	4.70	0.72	M	3.39	8.65	1.19	9.86	NA
1990	1.96	3.64	4.70	6.56	4.17	3.23	2.81	5.58	3.52	2.35	2.93	0.79	42.24
1989	2.38	4.10	8.97	2.22	8.61	7.83	1.51	4.70	2.80	0.62	0.65	0.47	44.86
1988	0.30	0.77	1.48	0.77	3.06	7.25	2.30	0.07	5.13	1.93	0.51	1.84	25.41
1987	1.31	4.51	1.50	0.27	7.16	3.82	1.36	0.93	2.51	1.14	2.09	1.42	28.02
1986	0.00	1.76	0.72	1.19	8.41	8.82	1.43	1.70	14.38	3.34	1.75	7.40	50.90
1985	0.95	1.99	2.16	4.44	2.39	2.53	0.92	1.28	1.05	5.77	1.79	0.83	26.10
1984	1.15	1.37	4.91	0.91	2.74	2.31	0.94	1.78	0.81	5.40	1.89	3.30	27.51
1983	1.13	0.89	2.60	0.54	6.86	1.12	0.47	1.82	0.78	2.22	1.08	1.02	20.53
1982	1.12	2.64	2.41	2.76	11.21	5.34	2.03	0.67	0.89	2.34	4.31	2.16	37.88
1981	0.65	0.79	4.28	1.94	4.55	6.45	1.00	1.51	3.53	6.79	1.36	0.45	33.30
1980	1.63	1.03	1.35	2.02	6.57	0.98	0.75	0.38	4.58	0.22	1.73	2.78	24.02
1979	4.00	3.11	5.56	3.90	6.99	2.61	2.41	3.76	0.90	1.93	0.34	3.70	39.21
1978	1.60	3.04	0.97	1.30	6.39	1.17	0.39	1.45	2.94	0.84	3.70	0.66	24.45
1977	2.65	1.51	7.08	5.10	2.53	0.71	1.09	3.60	2.77	1.56	1.68	0.16	30.44
1976	0.10	0.72	2.57	4.70	4.42	2.37	3.29	1.82	4.93	5.16	0.91	2.45	33.44
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
1975	0.75	3.61	1.56	3.76	3.95	1.75	3.63	0.73	3.89	0.46	0.46	1.24	25.79
1974	1.59	1.46	0.40	0.73	2.81	2.56	0.57	4.78	5.78	6.21	1.47	1.33	29.69
1973	4.04	2.36	2.31	6.82	2.66	5.23	2.81	0.47	3.55	4.98	1.80	0.55	37.58
1972	1.12	0.41	0.10	4.31	3.61	1.86	2.82	0.73	4.55	4.15	2.52	0.22	26.40
1971	0.05	1.77	0.08	2.53	3.57	0.87	6.55	3.66	5.03	8.19	2.24	5.04	39.58
1970	0.98	4.35	3.92	2.12	4.06	0.73	1.22	0.37	4.63	1.55	0.08	0.52	24.53
1969	0.30	2.01	3.69	6.83	4.94	1.55	0.93	4.15	1.13	7.05	1.86	2.13	36.57
1968	6.32	2.15	3.57	4.36	7.64	3.09	4.50	2.33	2.15	0.73	3.73	0.86	41.43
1967	0.27	0.62	2.11	2.96	3.60	2.03	7.00	0.77	6.11	2.76	1.95	2.45	32.63
1966	1.12	1.80	0.86	6.05	1.28	2.40	0.20	3.58	4.71	0.75	0.32	0.65	23.72
1965	3.57	3.25	0.58	0.41	8.26	0.71	0.38	1.58	1.20	3.76	2.74	2.75	29.19
1964	4.55	1.40	3.27	4.99	1.19	1.40	2.00	1.67	3.88	2.23	2.57	0.79	29.94
1963				0.00	3.39	2.10	0.91	1.15	1.85	0.80	5.39	1.47	NA
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann

Location below

Map of the Chalk Mountain region

Map from tiger.census.gov