Lavon Dam Climatology

Significant Severe Weather and Life Threatening Flash Flooding

A powerful spring storm continues across the country with multiple high impacts in the forecast. Life-threatening, catastrophic, and potentially historic flash flood event continues across the Lower Ohio Valley and Mid-South. A couple rounds of significant severe weather expected from the Mid-South through the Ozarks and ArkLaTex with very large hail and strong tornadoes possible. Read More >

Lavon Dam (Collin County)

33º 02' N 96º 29' W

510 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)	53.7	58.2	65.1	73.0	80.2	88.3	92.4	93.3	86.7	76.7	64.7	56.1	74.0
	Minimum (°F)	34.2	38.1	46.4	53.4	62.6	70.3	73.2	73.0	65.9	54.8	44.6	36.0	54.4
	Precipitation (in.)	2.58	2.71	3.54	3.68	4.74	4.13	1.87	2.15	3.10	4.42	3.42	3.45	39.79
Monthly Precipitation
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
2025		6.54	1.46
2024		3.11	1.75	5.93	8.31	9.75	4.57	1.17	1.55	2.79	1.12	2.89	6.60	49.54
2023		1.31	4.82	2.65	2.10	3.55	3.20	2.93	0.00	1.24	9.22	0.89	4.39	36.30
2022		0.22	2.26	2.92	3.59	4.71	1.91	0.30	2.54	1.25	5.38	7.03	2.29	34.40
2021		3.82	2.09	2.22	3.51	6.31	6.07	1.45	3.63	0.21	4.18	2.77	0.77	37.03
2020		2.39	3.39	7.81	1.53	3.52	4.02	2.33	1.54	5.25	1.63	0.92	4.62	38.95
2019		2.33	1.75	3.43	14.37	10.07	5.56	1.07	2.21	0.55	6.92	1.74	1.30	51.30
2018		1.20	7.96	4.26	1.87	2.50	2.35	1.59	2.63	13.25	10.42	2.11	5.66	55.80
2017		2.43	2.03	1.21	4.73	1.53	7.46	2.81	7.20	0.79	1.77	0.86	4.65	37.47
2016		1.15	1.81	4.98	6.97	4.90	5.00	2.36	1.56	2.83	1.95	4.02	3.84	41.37
2015		3.41	3.59	3.44	6.41	8.96	9.51	0.35	0.56	0.69	9.85	13.73	5.28	65.78
2014		0.10	0.31	1.39	1.72	4.40	2.91	5.28	2.29	0.29	3.70	1.22	2.02	25.78
2013		4.16	1.50	1.91	2.99	6.06	2.67	1.66	0.37	3.86	1.42	2.66	2.16	31.42
2012		6.47	1.98	5.75	1.63	3.99	4.65	1.01	5.45	1.97	1.39	0.03	1.18	35.50
2011		2.16	1.18	0.04	4.56	5.86	1.15	0.00	0.19	1.51	3.34	2.45	5.85	28.29
2010		3.04	3.96	3.36	1.45	1.46	1.20	1.72	0.49	6.86	2.33	3.30	2.01	31.18
2009		1.56	0.84	5.04	4.24	8.44	2.94	3.91	2.94	8.37	8.25	3.32	2.58	52.43
2008		0.49	3.01	7.83	4.72	3.89	2.36	0.13	3.86	3.80	1.00	2.81	0.58	34.48
2007		5.95	0.41	4.17	2.67	8.98	12.87	3.77	2.17	3.51	4.91	1.22	2.02	52.65
2006		2.35	2.96	5.29	1.50	1.36	1.05	0.77	2.24	1.91	5.20	2.35	3.90	30.88
2005		4.15	1.72	2.36	0.52	3.98	1.17	1.70	1.01	0.76	0.06	0.90	0.39	18.72
2004		3.37	5.08	2.45	2.83	2.16	7.58	3.58	2.95	1.28	3.49	7.50	0.66	42.93
2003		0.17	3.15	1.26	4.00	2.70	7.24	0.40	1.55	3.50	0.52	1.60	1.43	27.52
2002		3.59	1.51	5.33	3.69	4.21	1.12	4.47	1.71	1.71	7.69	0.47	4.32	39.82
2001		2.65	5.43	6.38	1.82	4.30	1.24	0.81	3.79	6.59	2.96	0.97	5.05	41.99
2000		2.03	2.29	3.55	2.88	5.53	14.59	0.19	0.00	0.91	5.55	9.33	3.99	50.84
1999		2.45	1.07	3.17	1.68	9.78	1.57	M	0.11	1.81	3.55	1.05	M	NA
1998		5.48	3.17	3.81	1.52	1.83	1.70	0.36	0.48	3.92	4.92	5.58	5.35	40.62
1997		1.16	8.64	3.70	7.12	2.16	4.66	1.61	3.24	0.26	4.96	3.02	6.56	47.09
1996		1.48	0.30	2.05	2.42	1.24	2.87	1.78	4.76	3.70	7.27	6.83	1.02	35.72
1995		4.05	1.31	7.17	6.07	5.48	2.16	2.75	1.26	4.06	0.89	1.22	2.28	38.70
1994		1.44	1.86	2.59	3.85	7.08	2.50	5.98	1.60	3.76	8.59	6.86	2.64	48.75
1993		2.50	4.17	2.70	5.73	2.36	3.20	0.00	1.18	3.68	7.34	1.51	3.96	38.33
1992		3.46	2.43	3.05	1.20	7.42	7.84	1.69	1.37	3.93	2.01	3.56	4.03	41.99
1991		3.97	2.74	1.27	7.85	3.49	4.73	1.46	4.36	2.35	9.64	2.39	8.57	52.82
1990		5.27	4.83	5.53	7.52	7.01	5.64	0.97	2.32	2.48	2.84	5.38	1.78	51.57
1989		3.41	4.66	2.10	1.61	9.00	10.18	4.00	1.42	2.74	1.67	0.73	0.56	42.08
1988		0.70	1.08	2.12	3.92	0.86	M	2.78	1.13	4.48	1.01	2.52	2.73	NA
1987		1.49	4.44	3.54	0.31	6.06	3.49	3.18	0.43	4.23	0.73	5.79	3.88	37.57
1986		M	2.78	0.73	9.56	6.73	5.94	0.61	1.48	2.58	3.76	4.09	2.48	NA
1985		1.39	3.22	3.94	5.54	6.73	2.85	3.06	0.02	2.70	6.07	5.07	2.81	43.40
1984		1.45	2.54	7.58	1.58	3.83	2.72	1.27	0.95	3.39	M	3.09	5.69	NA
1983		0.56	6.73	3.20	0.45	7.40	4.62	2.96	1.63	0.59	5.18	3.26	1.01	37.59
1982		2.22	1.86	1.62	2.88	12.75	6.02	1.81	3.15	2.18	3.76	4.30	5.54	48.09
1981		0.77	1.20	4.18	1.98	6.34	7.47	3.67	2.10	2.41	12.43	M	M	NA
1980		4.30	1.29	1.28	M	2.02	2.43	0.38	0.09	7.28	1.67	1.53	2.00	NA
1979		4.37	2.47	7.03	1.86	10.44	0.86	3.36	3.40	1.75	M	0.92	3.15	NA
1978		1.98	3.30	2.64	1.53	6.55	1.54	0.11	2.92	3.44	0.13	4.52	2.20	30.86
1977		2.38	2.41	M	5.14	1.08	1.22	0.02	3.42	4.04	0.35	M	0.83	NA
1976		0.32	1.02	4.88	4.77	6.37	2.11	6.67	0.69	3.07	3.74	0.61	2.55	36.80
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
1975		2.28	3.74	1.97	2.92	7.33	3.84	3.10	2.27	0.60	0.11	1.66	1.31	31.13
1974		2.27	1.16	1.41	5.98	3.05	5.73	2.33	5.72	8.67	4.95	3.74	2.92	47.93
1973		3.07	3.00	4.03	5.24	3.52	7.38	4.07	0.75	9.77	8.55	1.60	2.42	53.40
1972		1.08	0.33	1.28	2.70	1.86	1.80	0.09	0.45	1.36	5.76	3.26	M	NA
1971		0.39	1.99	0.61	1.22	2.90	0.55	4.81	3.06	2.52	10.51	1.30	8.37	38.23
1970		0.64	6.81	5.08	4.36	5.58	3.08	0.40	3.71	7.56	3.83	0.54	1.04	42.63
1969		3.28	2.75	4.99	2.77	8.27	0.71	0.16	0.79	2.44	4.67	0.94	4.16	35.93
1968		3.41	2.01	6.31	3.77	7.01	3.96	2.77	0.53	5.50	0.70	3.54	1.90	41.41
1967		0.78	1.11	2.11	4.92	7.46	1.09	4.06	0.07	11.09	5.98	1.32	3.43	43.42
1966		1.76	2.67	2.10	15.49	3.43	3.04	5.17	3.91	4.48	1.94	0.36	1.97	46.32
1965		2.86	5.82	1.18	2.12	10.00	2.05	0.31	0.21	5.27	0.75	2.30	1.49	34.36
1964		2.11	1.42	4.73	3.30	5.61	2.07	0.05	4.96	11.66	0.66	5.38	1.02	42.97
1963		0.51	0.17	1.09	5.69	4.24	0.88	3.68	0.43	1.65	0.05	1.54	1.76	21.69
1962		1.46	2.63	1.66	5.20	2.26	8.70	3.06	0.91	9.47	5.75	3.31	1.03	45.44
1961		2.59	1.92	3.53	0.44	3.17	4.61	3.15	0.62	3.44	2.23	3.95	3.43	33.08
1960		3.22	2.58	1.45	2.41	3.73	2.72	3.29	4.15	1.94	2.78	0.75	7.77	36.79
1959		0.15	3.30	2.34	1.59	2.01	3.74	11.46	1.27	1.45	7.16	2.42	4.75	41.64
1958		1.90	0.71	5.42	7.84	3.43	2.83	3.32	1.38	7.56	0.65	1.91	0.65	37.60
1957		1.97	1.58	3.75	10.76	11.69	1.80	0.00	2.19	3.77	4.47	5.38	1.88	49.24
1956		1.83	3.68	0.22	3.08	3.92	1.13	0.83	0.99	0.00	1.62	4.80	1.55	23.65
1955		1.81	2.71	2.37	1.62	4.01	2.63	1.33	1.00	2.85	2.33	0.44	0.90	24.00
1954		4.31	1.10	0.65	5.58	4.89	1.60	0.80	1.66	2.37	5.81	1.56	0.63	30.96
1953		0.98	1.15	4.81	4.99	3.31	0.04	1.67	1.95	1.77	3.13	3.50	2.11	29.41
1952		1.19	1.90	2.54	7.29	5.51	1.07	0.54	1.76	0.22	0.15	7.90	3.54	33.61
1951		1.98	2.68	1.26	2.93	3.42	5.57	2.87	0.26	2.66	2.41	1.04	0.41	27.49
1950		4.29	4.88	2.16	4.37	6.31	3.03	7.70	4.31	2.87	0.63	0.21	0.06	40.82
1949								0.38	1.07	2.06	7.14	0.20	1.89	NA
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann

Location below

Map of the Lavon Dam region

Map from tiger.census.gov