National Weather Service United States Department of Commerce

A Major Coastal Storm For The Southeast and Mid-Atlantic; Fire Weather Concerns In Southern California

A major storm is forecast to intensify over the weekend along the Southeast/Mid-Atlantic coast and deliver a number of impacts. Heavy rain and high winds are expected for coastal sections of eastern North Carolina and southeast Virginia, while a variety of marine hazards are possible for the entire East Coast. Meanwhile, elevated to critical fire weather threats are likely for southern California. Read More >

Lavon Dam (Collin County)

33º 02' N 96º 29' W

510 ft

30 Year Normals (1981-2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
N
o
r
m
a
l
Maximum (°F) 55.5 59.6 66.3 75.0 82.4 89.9 94.3 95.5 88.3 78.5 67.1 56.8 75.8
Minimum (°F) 34.2 38.5 45.6 54.3 63.6 70.7 73.9 73.5 66.2 55.1 45.7 36.3 54.8
Precipitation (in.) 2.45 2.97 3.67 3.44 5.17 4.47 2.02 1.85 3.17 4.55 3.55 3.22 40.53
Degree
Days
Heating 625 450 300 97 9 0 0 0 6 71 282 574 2414
Cooling 1 3 20 87 257 459 592 604 374 127 24 3 2551
Monthly Precipitation
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
2019 2.33 1.75 3.43 14.37 10.07 5.56 1.07 2.21 0.55 6.92      
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