Waco Dam Climatology

Severe Weather Outbreak in the Upper Midwest Today

Multiple corridors of severe thunderstorms are expected across the Upper Midwest today and tonight, with a severe weather outbreak including strong tornado potential possible. The most dangerous period is likely during the late afternoon and evening when strong tornado potential should be maximized. Large to very large hail and strong, damaging winds are likely as well. 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