National Weather Service United States Department of Commerce

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

  Chisos Basin Cooperative Precipitation 
1943-2020
Elevation 5330 FT

Chisos Basin Normals 1981-2010 

Month Jan Feb Mar Apr May Jun  Jul  Aug Sep Oct Nov Dec Ann
Maximum 56.9 60.6 66.9 74.4 81.5 84.9 83.1 82.0 78.1 72.5 64.5 57.9  71.9
Minimum 37.2 39.5 43.9 51.1 59.1 63.8 64.0 63.3 58.9 52.4 44.0 38.0 51.3
Precipitation 0.74 0.71 0.48 0.76 1.68 2.65 3.69 3.45 2.32 1.76 0.61 0.51 19.36
Snowfall 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.1 1.4
Heating Degree Days  556 420 306 124 23 3 1 1 24 116 326 529 2429
Cooling  Degree Days 0 1 9 57 187 283 266 238 129 37 4 0 1211

 

Chisos Basin Precipitation (1943-2020) 

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
2020 0.86 0.67 0.79 0.05i 0.70 1.16 0.57 0.19 2.45 0.00 0.00 0.21  7.65i
2019  0.78i 0.05 0.04 1.02 0.52 1.85  0.03i 1.74i 6.51 0.03 1.38 0.80 14.72i
2018 0.00 0.15 0.00 0.11 1.53 3.51 3.53 2.36 8.64 3.58 0.41 1.71i 25.53i
2017 0.07 1.02 0.09 0.41 3.04 0.73 5.47 3.65 2.42 0.29 0.02 1.81 19.02
2016 0.18 0.44 0.54 0.00 1.26 4.34 0.90 9.57 4.03 0.21 0.69 1.86 24.02
2015 1.67 0.64  1.73   0.85   1.08 3.55  1.97  0.55 1.48  2.04  0.43 0.52 16.51
2014 0.00 0.14  0.00   0.59   2.53   1.42   2.39  2.08  3.19  0.00  3.93  0.29 16.56
2013 1.81  T 0.00  T 0.38 1.21  1.50   0.97  3.88  0.24i 2.18   0.68   12.85 
2012 0.04 1.47  0.34   1.02   3.65   2.52   3.73   3.18  1.48  0.93  0.23   0.03  18.61
2011 0.02  0.00   0.00  0.00  0.00   1.58  0.96  1.40  0.01 0.29   0.05  4.31
2010 1.33 1.16  0.00 2.94 0.34 1.48  6.40  2.21 3.51 0.00 0.00 0.00  19.37 
2009 0.02 0.00  0.82 T 1.99 3.92  2.29  3.20 0.71 1.48 0.75 0.70 15.88
2008 0.54 0.00  0.09 0.08 1.40 1.96  5.18  6.34 4.62 0.64 0.00 0.15  21.00 
2007  3.39  0.06  1.26 0.25 3.03 2.25  5.48  1.98  4.76 0.71 0.94 T  24.11 
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
2006 0.13 0.00 0.03 0.37 1.35 0.85 1.16 8.55 1.31 1.76 0.00 0.96 16.47
2005 0.76 0.76 0.10 0.04 1.31 0.53 2.44 3.67 0.93 2.21 0.00 0.65 13.40
2004 1.15 0.41 2.71 1.61 2.40 3.40 4.13 4.63 4.09 1.01 2.16 0.04 27.74
2003 0.23 1.14 0.40 0.15 1.95 5.83 5.99 2.02 1.31 5.35 0.10 T 24.47
2002 0.01 0.11 0.00 0.10 1.25 1.26 3.20 5.51 0.11 3.50 0.07 0.45 15.57
2001 1.01i 0.50 0.22 0.38 1.53 0.11 0.67 4.38 0.89 0.95 1.55 T 12.19i
2000 0.00 0.69 0.15 0.23 0.00 4.03 2.25 1.55 0.15 4.30 2.49 0.31 16.15
1999 0.00 0.07 0.63 0.20 0.43 5.85 4.90 2.25 1.40 0.13 0.00 T 15.86
1998 T 0.30 0.25 0.00 0.02 2.38 3.39 3.78 0.48 2.10 1.55 0.04 14.29
1997  0.30i 2.06 1.74 2.12 1.79 1.69 2.76 1.52 1.29 0.91 1.09 0.92 18.19i
1996 0.00 0.05 0.00 0.11 1.21 4.61 2.33 4.94 0.98 0.76 0.50 T 15.49
1995 0.02 0.80 0.00 0.64 1.95 3.01 0.39 1.52 6.02 0.39 0.79 M 15.53i
1994 1.04 0.81 1.30 0.17 1.82 2.77 2.91 1.04 0.27 1.73i 0.13 0.16 14.15i
1993 0.83 0.47 0.40 0.07 1.61 0.84 4.91 0.84 3.33 1.63 0.09 0.55 15.57
1992  1.56i 3.96 0.22 1.72 4.01 1.04 5.28 5.89 0.65 0.24 0.64 0.28 25.49i
1991 0.47 0.65 0.20 0.95 0.76 2.14 10.69 5.63 3.50 0.09 0.54 3.00 28.62
1990 0.20 0.89  0.67 0.36 1.36 0.73 7.60 6.70 5.78 2.87 0.44 0.24 27.84
1989 0.54 2.37  0.16 0.02 0.64 0.77 0.71 1.84 0.78 0.33 0.19 0.41 8.76
1988 0.01 0.19  0.18 0.01 5.30 1.45 6.94 1.96 2.73 0.35 T 0.32 19.44
1987 0.52 0.75  0.00 1.27 2.49 1.25 2.18 7.86 1.94 0.55 0.09 1.10 20.00
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
1986  1.63 0.66 0.00 1.04 0.51 8.08 1.91 5.75 3.65 6.37 1.19i 2.90 33.69i
1985 1.43i 0.29 0.72 0.29 1.60 M 1.20 0.65 6.28 0.69 0.53 0.00 13.68i
1984 1.33 0.05 M 0.01 2.31 4.65 2.44 2.17 2.64 2.04 1.53 0.55 19.72i
1983 1.55 0.99 1.30 0.90 1.92 0.17 2.34 2.49 1.29 3.83 0.79 0.01 17.58
1982 1.21 0.62 0.00i 1.13 2.79 3.77 4.02 1.78 1.13 0.01 0.39 1.32 18.17i
1981  1.15 0.40 0.66 3.84 1.57 5.03 1.79 4.66 2.93 6.17 0.00 0.00 28.20
1980 0.17 0.15 0.10 0.02 0.05 3.23 0.62 10.71 3.62 0.74 1.08 0.78 21.27
1979 0.13 0.27 0.20 1.07 2.51 2.82 2.02 4.32 1.58 0.00 0.25 0.04 15.21
1978 0.58 0.54 0.35 0.16 2.23 0.91 2.33 6.91 7.65 1.82 2.71 0.52 26.71
1977  0.14 0.02 0.04 1.00 0.47 3.90 1.42 0.42 0.22 0.51 0.34 0.10 8.58
1976 0.35 0.00 T 0.68 3.19 0.91 7.28 1.21 4.28 2.40 0.88 1.38 22.56
1975 0.32 0.76 T 0.02 0.90 0.43 8.91 5.50 0.57 0.46 0.18 0.60 18.65
1974 0.06 0.02 0.97 0.16 0.98 0.08 3.30 7.78 6.16 1.26 0.54 1.29 22.60
1973 0.20 1.76 0.04 0.15 1.21 1.09 4.81 2.02 2.70 T 0.00 T 13.98
1972 0.58 0.00 0.40 0.00 2.03 0.75 0.78 4.71 5.95 1.40 0.79 T 17.39
1971 0.10 T 0.00 T 0.31 0.69 4.07 3.32 1.30 7.49 T 0.24 17.52
1970 0.32 1.82 1.11 0.34 0.40 3.59 1.37 4.15 10.46 2.09 0.00 0.17 25.82
1969 0.67 0.06 0.04 0.54 1.93 1.42 2.98 1.51 0.79 1.60 0.44e 0.80 12.78e
1968 1.36 1.21 1.33 1.86 0.67 1.35 4.43 3.45 4.33 1.24 1.72 0.02 22.97
1967 0.12 0.84 1.46 0.04 0.06 5.37 1.78 2.75 3.27 0.72 0.02 0.72 17.15
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
1966 0.45 0.37 0.28 0.46 0.38 2.68 2.29 2.55 5.67 6.47 0.00 0.16 21.76
1965 0.37 0.96 0.07 0.00 1.02 2.65 1.32 3.30 4.16 0.00 0.36 0.81 15.02
1964 0.11 0.00 0.39 0.14 1.65 2.42 1.56 1.65 2.35 0.45 0.00 1.54 12.26
1963 0.39 0.58 0.33 1.30 3.95 0.99 3.56 3.14 1.80 1.39 0.58 0.39 18.40
1962 0.18 0.06 0.14 0.12 0.48 1.57 4.27 0.68 1.90 2.15 0.35 1.06 12.96
1961 2.15 0.82 0.17 1.11 4.14 2.42 4.07 2.54 0.81 1.17 1.96 0.05 21.41
1960  1.69 0.21 0.00 1.47  0.26 1.65 5.67 5.28 0.04 0.60 0.72 1.53 19.12
1959 0.03 0.39 0.00 0.83 2.71 3.16 5.62 0.90 0.89 1.77 2.37 0.62 19.29
1958 2.53 1.20 0.51 0.04 1.36 1.02 1.02 1.11  4.34 2.81 0.53 0.35 16.82
1957 0.31 1.18 0.74 0.58 4.86 0.95 2.79 0.47 1.76 2.18 0.44 0.52 16.78
1956 1.23 0.13 0.00 T 1.41 1.73 1.91 1.06 2.24 0.56 0.09 0.05 10.41
1955 0.40 0.00 0.00 0.29 1.30 1.64 1.27 2.71 1.40 0.13 0.83 0.07 10.04
1954  0.36 0.01 0.00 1.64 1.47 1.26 0.79 4.99 0.44 0.36 0.00 0.12 11.44
1953 0.00 0.41 0.99 0.43 0.59 0.05 4.07 1.17 0.60 0.53 0.00 0.18 9.02
1952 0.66 0.11 0.24 1.46 1.10 1.10 6.03 0.05 0.02 0.00 0.07 0.92 11.76
1951 0.16 0.05 1.32 0.02 0.52 3.67 2.57 0.89 0.77 1.09 0.03 0.45 11.54
1950 1.31 0.33 0.06 0.06 1.07 2.82 6.57 4.02 1.77 M 0.00 0.00 18.01i
1949 2.16 0.82 0.08 2.61 1.93 2.08 1.67 3.80 3.37 1.61 0.00 0.79 20.92
1948 0.04 0.30 0.00 0.39 0.35 2.92 4.07 0.62 0.87 1.61 0.19 0.39 11.75
1947 1.45 0.13 0.41 T 3.03 2.39 0.36 4.65 1.78 0.65 0.38 1.54 16.77
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
1946 2.19 M 0.19 0.70 3.19 3.51 1.31 1.26 3.47 2.16 0.01 0.99 18.98i
1945 0.42 0.63 0.72 0.10 0.05 0.45 4.54 0.90 1.87 1.50 0.00 0.00 11.18
1944 1.49 M 0.35 0.00 1.16 2.45 1.47 4.44 2.31 0.22 0.94 0.44 15.27i
1943 STATION NOT OPEN 0.05 1.86 0.20 1.28 1.46   M

 

 

i = incomplete data

M = missing data

e = estimated data

 

 

map of Cooperative stations Monthly/Annual rainfall and 1971-2000 Averages