National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. 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 5.48 8.57 7.46              
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