Waco Dam Climatology

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. 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	3.02	7.99	7.35	6.86	1.91	2.19	2.57
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