Waco Dam Climatology

Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Waco Dam (McLennan County)

31º 36' N 97º 13' W

495 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)	58.5	61.9	68.4	76.1	82.9	90.5	94.5	95.3	89.2	79.7	68.1	59.8	77.1
	Minimum (°F)	35.7	40.0	47.6	54.3	64.2	71.8	75.0	74.9	67.6	56.7	46.2	38.5	56.0
	Precipitation (in.)	2.72	2.69	3.51	3.16	4.39	3.61	1.85	2.44	3.15	4.30	2.93	2.76	37.51
Monthly Precipitation
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
2025		3.02	1.16	1.96
2024		4.16	1.58	2.53	5.11	17.40	1.59	1.30	0.84	1.23	0.39	1.52	2.46	40.11
2023		0.91	3.04	1.79	3.85	5.40	1.38	0.18	0.35	3.76	5.34	1.59	2.76	30.35
2022		0.29	1.95	1.35	1.93	3.05	1.46	0.08	2.66	0.69	2.94	5.38	0.71	22.49
2021		1.50	1.36	1.12	1.46	6.74	3.44	3.63	5.32	1.04	3.06	1.01	0.38	30.06
2020		1.95	7.13	5.72	4.77	6.53	1.70	0.55	5.99	1.27	1.40	0.87	3.95	41.83
2019		3.66	1.44	1.68	7.48	5.47	7.88	0.15	1.20	0.64	4.48	0.50	0.94	35.52
2018		0.39	2.58	2.71	0.77	3.20	0.32	0.77	2.29	5.68	12.32	3.48	4.44	38.95
2017		3.98	2.89	3.35	7.30	2.94	4.45	2.00	3.65	0.95	1.19	1.15	1.98	35.83
2016		0.35	1.90	5.24	7.16	7.76	5.93	0.10	6.59	0.71	0.21	4.14	1.35	41.44
2015		2.73	1.50	4.60	5.52	8.42	7.50	0.00	0.85	0.33	9.07	6.49	3.31	50.32
2014		0.24	0.82	1.16	1.91	7.71	6.46	0.35	1.83	1.00	3.90	2.70	0.62	28.70
2013		4.91	1.91	1.72	1.27	3.16	1.18	5.74	0.04	4.27	6.65	2.56	1.26	34.67
2012		3.75	2.89	8.44	1.65	2.10	3.40	3.44	1.78	4.00	0.40	0.00	0.73	32.58
2011		4.09	1.55	0.79	1.63	2.38	1.42	0.11	0.45	2.85	5.72	2.29	4.83	28.11
2010		4.57	4.07	4.58	3.73	0.94	4.09	4.54	0.23	0.70	1.34	1.34	0.99	38.32
2009		0.72	1.49	5.55	4.48	1.52	0.01	3.99	0.11	8.75	10.12	1.71	1.69	40.14
2008		0.85	1.46	4.69	4.58	4.71	0.16	0.46	10.20	0.50	3.29	0.60	M	NA
2007		4.54	0.40	9.68	1.08	12.68	8.10	2.78	0.30	2.83	1.13	2.07	2.44	48.03
2006		1.97	1.98	4.21	2.62	2.73	2.26	0.54	0.27	2.15	3.91	0.65	3.32	26.61
2005		3.08	3.57	1.13	2.13	3.54	1.22	0.78	5.97	0.62	0.52	0.92	M	NA
2004		3.44	4.30	2.81	6.52	3.00	8.50	3.87	0.94	0.66	6.81	9.59	1.19	51.63
2003		0.55	3.92	1.55	0.72	2.88	5.17	0.92	2.95	3.77	2.66	1.92	0.51	27.52
2002		0.79	2.18	3.55	1.20	3.31	2.43	4.30	1.03	2.82	11.03	1.47	9.49	43.60
2001		3.38	2.69	4.73	0.97	3.48	1.68	1.00	4.56	2.75	2.63	5.07	3.86	36.80
2000		2.31	4.24	2.73	3.44	5.65	8.96	0.56	0.14	1.11	4.12	7.67	6.33	47.26
1999		2.33	0.51	3.25	2.02	2.33	1.02	4.50	0.10	1.03	0.27	1.89	3.00	22.25
1998		4.37	3.87	2.11	1.69	0.61	1.35	0.43	1.36	5.03	6.38	2.86	4.06	34.12
1997		2.74	7.72	4.02	4.28	3.88	5.60	0.76	1.41	1.24	2.39	2.61	4.42	41.07
1996		0.81	0.17	1.16	2.65	1.95	3.11	2.76	5.39	3.58	1.09	4.34	3.07	30.08
1995		0.91	0.75	3.67	7.57	4.87	3.70	2.17	7.61	3.98	0.32	1.71	1.27	38.53
1994		1.46	3.20	2.80	2.46	6.73	1.74	0.34	0.62	0.99	6.84	4.17	5.02	36.37
1993		3.00	3.44	4.61	3.52	2.59	2.08	0.00	0.22	4.66	4.93	2.58	1.82	33.45
1992		4.81	6.34	3.99	1.60	5.82	3.32	0.95	0.64	2.30	1.45	4.86	4.07	40.15
1991		5.12	1.58	1.00	2.75	5.92	3.88	4.32	6.34	3.39	3.26	2.75	7.05	47.36
1990		2.65	3.76	6.02	4.03	6.18	0.93	0.83	1.74	6.44	5.91	4.17	1.90	44.56
1989		3.40	2.97	2.93	1.75	10.04	4.92	3.03	2.29	0.37	1.57	0.33	0.67	34.27
1988		0.58	1.93	3.42	1.34	1.10	5.88	1.07	0.92	4.63	1.36	1.74	2.76	26.73
1987		1.78	2.92	1.85	1.84	6.73	5.23	1.54	0.54	6.94	1.27	4.76	3.60	39.00
1986		0.08	5.03	0.53	2.54	8.23	4.47	0.39	0.68	3.61	5.77	3.92	4.41	39.66
1985		1.32	2.23	3.61	3.14	1.96	5.59	1.34	1.25	6.74	3.86	4.14	2.60	37.78
1984		0.98	1.20	3.89	0.68	3.88	1.35	1.93	1.80	1.14	10.85	3.33	5.40	36.43
1983		1.27	3.70	3.91	0.14	4.60	1.19	3.68	2.87	0.74	1.54	3.00	0.74	27.38
1982		1.42	1.64	3.95	2.50	7.09	3.86	3.12	0.15	0.04	1.72	4.07	2.44	32.00
1981		0.93	1.82	3.66	1.23	3.91	7.55	0.33	0.61	4.81	7.25	1.20	0.68	33.98
1980		2.57	1.94	2.76	4.01	5.18	0.77	0.01	0.05	2.47	0.98	2.63	3.25	26.62
1979		2.94	2.38	4.81	1.86	9.73	4.44	4.71	5.17	2.46	2.14	0.41	4.65	45.70
1978		0.99	3.21	3.51	2.75	2.97	1.36	0.66	1.60	0.65	2.05	5.17	1.79	26.71
1977		1.92	3.78	2.91	7.89	1.44	1.67	1.05	1.55	0.46	1.36	2.83	0.14	27.00
1976		1.27	0.48	1.90	7.50	5.26	3.56	11.16	0.37	6.27	6.02	1.49	3.15	48.43
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
1975		1.43	3.30	1.29	5.28	12.77	2.70	2.69	1.00	2.53	2.36	0.50	2.01	37.86
1974		1.59	1.27	0.58	3.37	2.80	1.17	1.84	9.76	7.35	6.00	3.53	2.33	41.59
1973		3.79	2.03	2.89	4.82	3.67	7.89	4.70	1.06	5.36	10.44	0.68	0.73	48.06
1972		2.84	0.26	0.16	1.92	1.95	2.91	5.85	1.86	2.31	6.91	3.06	1.07	31.10
1971		0.05	1.49	0.86	2.75	0.81	1.07	10.14	2.10	1.19	3.62	1.96	4.36	30.40
1970		1.11	4.07	4.78	1.72	2.87	1.30	0.08	2.05	8.67	3.23	0.10	0.93	30.91
1969		0.55	2.60	3.75	3.84	4.34	0.52	0.03	2.29	5.13	6.21	2.76	2.91	34.93
1968		4.36	2.00	2.58	3.67	7.76	5.36	0.98	0.81	5.29	1.69	3.85	1.80	40.15
1967		0.32	0.76	2.35	8.60	5.44	0.21	1.52	0.53	4.11	4.19	3.96	3.49	35.48
1966		1.25	2.34	0.74	8.48	3.44	2.19	0.95	4.64	5.14	0.04	0.16	0.61	29.98
1965				3.57	1.18	14.08	0.89	0.26	0.82	4.10	2.96	4.39	2.59	NA
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann