Whitney Dam Climatology

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Whitney Dam (Bosque County)

31º 51' N 97º 22' W

574 ft

30 Year Normals (1991-2020)
Month		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
N o r m a l	Maximum (°F)	57.0	60.8	68.4	76.3	83.7	91.1	95.4	95.8	89.4	79.4	67.7	58.9	77.0
	Minimum (°F)	34.2	38.0	45.5	52.6	62.5	69.6	71.7	71.6	65.7	54.5	44.2	36.7	53.9
	Precipitation (in.)	2.51	2.42	3.49	3.55	4.60	3.85	1.68	2.03	3.83	4.37	2.56	2.69	37.58
Monthly Precipitation
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
2025		3.42	0.78	3.84	3.38	6.66	7.23	7.94
2024		3.74	2.54	3.96	6.80	14.34	1.64	5.08	0.70	5.20	0.05	1.28	3.89	49.22
2023		1.55	2.78	1.51	4.17	5.40	3.07	0.27	1.01	3.20	6.24	0.73	3.38	33.31
2022		0.20	1.48	1.83	1.68	3.64	0.33	0.46	2.34	3.13	3.38	3.62	0.68	22.77
2021		2.46	0.99	2.37	1.64	7.83	5.77	5.38	1.85	2.55	3.63	1.82	0.13	36.42
2020		2.16	5.27	6.14	1.82	5.28	2.28	4.24	7.81	9.41	1.60	0.89	1.24	48.14
2019		2.65	0.67	1.63	7.96	4.44	4.04	0.89	0.68	0.44	4.80	0.68	0.52	29.40
2018		0.57	5.32	2.57	1.32	3.41	0.68	1.36	3.69	4.03	13.17	2.56	4.87	43.55
2017		2.80	3.52	1.69	7.30	2.64	8.76	2.29	5.09	1.05	1.56	1.32	2.11	40.13
2016		0.65	2.25	3.98	7.33	6.09	3.34	0.66	6.01	2.58	1.29	3.27	2.15	39.60
2015		4.10	1.96	5.36	4.02	14.40	5.54	0.00	0.28	0.71	12.64	6.90	4.10	60.01
2014		0.19	0.42	1.20	3.15	7.28	8.48	0.88	0.41	0.53	3.09	2.03	0.75	28.85
2013		5.22	0.89	1.60	2.82	3.32	1.67	7.74	0.51	4.09	6.29	1.90	2.35	38.40
2012		4.98	3.24	5.35	1.34	3.07	2.28	2.07	3.41	4.15	0.47	0.20	0.87	31.43
2011		2.96	1.81	0.10	1.54	2.86	0.62	0.00	0.00	2.69	4.05	2.22	3.68	22.53
2010		4.72	2.57	3.61	3.09	3.61	2.61	4.42	0.06	15.97	0.03	1.10	1.56	43.35
2009		0.96	0.89	7.51	6.06	2.63	0.82	3.23	1.97	M	M	1.34	1.46	NA
2008		1.00	1.00	3.69	4.37	2.65	0.44	0.52	1.82	1.88	3.92	0.62	0.49	22.40
2007		4.56	1.34	12.65	1.36	14.56	12.28	5.76	0.24	7.86	1.48	1.87	1.74	65.70
2006		2.34	1.28	4.61	0.83	2.44	3.28	0.31	1.58	1.11	4.68	1.10	1.49	25.05
2005		1.44	2.22	2.73	0.73	2.36	1.52	1.06	3.77	0.13	0.22	0.68	0.17	17.03
2004		3.97	3.62	2.19	9.23	1.43	8.36	2.57	1.94	1.54	6.29	10.52	1.03	52.69
2003		0.51	2.61	1.14	1.52	3.77	7.95	1.52	3.19	3.93	2.65	1.40	0.96	31.15
2002		0.67	1.20	2.50	1.51	3.30	1.43	4.72	0.05	1.99	5.79	0.42	5.21	28.79
2001		2.54	3.58	3.94	1.60	4.15	2.30	0.23	1.43	3.00	3.11	4.29	3.80	33.77
2000		1.94	1.13	2.20	2.29	2.86	10.95	0.02	0.00	0.74	3.70	8.08	2.01	35.92
1999		1.99	0.04	2.19	3.83	3.30	2.54	0.28	0.10	0.84	1.25	0.50	1.74	18.60
1998		5.54	3.25	3.80	0.97	0.79	1.06	0.44	2.13	2.91	5.43	3.90	5.73	35.95
1997		2.30	6.61	3.65	6.31	1.58	4.61	0.12	3.11	0.28	4.71	1.47	7.39	42.14
1996		0.71	0.07	0.87	3.08	1.52	1.52	2.15	3.57	3.57	1.71	3.85	1.69	24.31
1995		2.21	1.46	3.70	7.62	8.11	3.61	3.33	4.89	3.12	0.16	1.19	1.14	40.54
1994		1.22	2.70	2.02	1.56	8.94	1.03	0.55	1.19	4.71	3.88	4.03	4.51	36.34
1993		2.47	3.94	3.97	3.37	2.56	2.48	0.00	0.11	0.95	8.32	2.67	1.16	32.00
1992		4.43	5.21	3.33	0.98	4.47	3.17	0.72	1.84	1.79	0.86	4.82	3.04	34.66
1991		3.51	1.39	0.57	3.77	4.09	2.92	1.26	7.47	3.08	5.22	1.68	9.47	44.43
1990		3.86	4.62	6.92	5.28	3.55	1.71	3.46	1.61	3.29	2.61	3.81	1.01	41.73
1989		3.01	3.36	2.27	1.47	6.77	7.05	2.41	5.47	2.52	0.88	0.45	0.39	36.05
1988		0.42	2.71	3.14	1.39	1.60	7.64	0.41	1.89	6.62	2.33	1.40	2.42	31.97
1987		1.40	3.14	1.96	0.39	6.28	10.85	1.86	1.29	3.82	0.41	5.43	3.60	40.43
1986		0.06	2.20	0.70	1.79	5.09	8.34	1.45	1.68	5.06	6.64	2.79	3.44	39.24
1985		1.81	1.70	4.61	1.82	3.44	3.85	1.46	0.00	4.79	5.01	1.53	4.43	34.45
1984		1.07	1.69	3.96	0.85	2.62	2.55	0.86	2.33	0.92	10.24	2.80	5.93	35.82
1983		1.65	3.01	2.85	0.26	5.41	1.01	2.12	3.72	0.34	3.95	3.09	0.70	28.11
1982		1.50	1.75	3.36	2.25	6.44	5.53	2.04	0.69	0.86	1.82	3.90	2.91	33.05
1981		0.80	1.30	4.39	2.59	4.46	13.37	3.40	1.41	1.87	6.95	1.82	0.29	42.65
1980		2.38	1.61	3.56	3.40	4.77	0.94	0.62	1.29	3.76	0.98	1.99	2.34	27.64
1979		2.40	2.53	6.08	1.80	7.39	2.38	3.66	5.09	1.64	3.52	0.26	2.84	39.59
1978		0.89	4.03	1.88	3.33	4.07	0.26	0.56	3.27	1.14	0.85	5.42	0.60	26.30
1977		1.98	2.18	4.60	7.42	2.91	0.89	1.56	3.45	0.06	1.66	3.64	0.46	30.81
1976		0.03	0.70	2.97	7.52	5.20	4.66	7.80	0.15	5.24	4.86	0.62	2.20	41.95
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
1975		1.61	3.48	1.75	5.01	8.63	0.74	2.28	0.24	3.56	1.25	0.77	2.03	31.35
1974		1.58	1.18	0.55	1.42	2.17	1.76	0.79	9.82	4.73	5.53	2.49	1.77	33.79
1973		2.74	2.25	2.35	6.74	2.81	6.42	8.30	0.00	5.51	9.20	1.40	0.20	47.92
1972		2.32	0.27	0.08	2.73	4.25	2.18	2.75	1.89	2.90	4.38	3.15	0.64	27.54
1971		0.08	2.08	0.54	4.06	2.63	2.11	4.18	1.48	2.02	10.31	1.14	4.11	34.74
1970		0.91	4.30	2.96	1.61	3.42	0.05	0.46	0.31	5.10	5.41	0.06	1.30	25.89
1969		0.32	2.60	3.16	4.40	6.04	0.42	0.10	5.08	1.64	4.38	2.10	2.50	32.74
1968		5.29	1.54	4.49	4.38	9.13	4.45	1.59	1.02	2.11	1.31	3.62	1.46	40.39
1967		0.33	0.72	2.00	2.77	3.26	2.18	4.87	0.60	8.63	6.09	2.36	2.74	36.55
1966		1.09	3.23	1.30	8.60	2.68	1.92	0.29	4.75	5.00	0.41	0.15	0.39	29.81
1965		2.88	4.13	0.37	0.81	11.84	0.94	1.21	3.14	2.84	2.14	2.72	2.36	35.38
1964		3.96	1.71	4.18	2.08	0.65	3.15	0.10	1.88	3.65	0.61	6.33	0.96	29.26
1963		0.58	0.42	0.29	2.26	4.16	1.84	0.28	2.40	1.34	0.15	4.07	1.29	19.08
1962		0.79	1.44	0.68	3.22	2.91	8.79	0.00	0.74	5.43	2.42	2.63	1.25	30.30
1961		7.90	4.35	1.95	0.43	3.51	12.38	2.52	0.72	2.92	3.03	4.93	2.54	47.18
1960		3.27	2.15	0.92	2.79	2.27	3.06	2.82	1.78	1.04	3.83	1.08	7.71	32.72
1959		0.06	3.30	0.62	2.41	5.47	8.59	3.79	1.62	4.11	7.30	1.01	3.13	41.41
1958		1.82	2.86	2.33	4.25	6.11	3.04	0.79	3.19	2.62	1.32	1.86	1.72	31.91
1957		1.44	2.31	2.41	11.15	5.04	2.99	1.02	0.13	3.26	7.56	5.34	0.99	43.64
1956		2.62	1.64	0.10	3.34	2.67	1.13	0.02	0.37	0.21	1.80	2.54	2.12	18.56
1955		1.34	2.79	1.75	2.54	6.23	2.86	2.56	2.53	2.16	0.22	0.01	1.32	26.31
1954		1.26	0.33	0.56	4.49	3.55	2.06	0.71	0.10	2.25	5.43	2.86	0.45	24.05
1953		0.46	1.53	3.10	4.06	5.05	1.73	1.58	1.28	4.22	3.34	1.43	1.97	29.75
1952		0.33	3.37	3.03	9.03	6.04	0.17	1.06	0.24	1.56	0.00	7.16	5.50	37.49
1951		2.33	2.18	1.33	5.07	3.63	5.05	1.63	0.05	3.11	1.87	0.55	0.18	26.98
1950		1.99	5.16	0.83	3.56	3.69	2.66	4.06	1.76	3.66	1.16	1.37	0.00	29.90
1949											2.48	0.33	1.82	NA
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann

Location below

Map of the Whitney Dam region

Map from tiger.census.gov