Lavon Dam Climatology

Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. 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