National Weather Service United States Department of Commerce

Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. 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