Lavon Dam Climatology

Heavy Rains from the Plains to the East; Fire Weather Risk in the Desert Southwest

Thunderstorms, some severe, may produce heavy to excessive rainfall and isolated flooding over portions of the Southern Plains through Saturday. Widespread showers and thunderstorms will spread east into the Great Lakes, Ohio Valley, Mid Atlantic and Northeast. Dry conditions, combined with gusty winds will continue to support an elevated fire weather threat in the Desert Southwest. 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	3.61
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