DELTA, UTAH

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 38.7 46.2 56.3 64.5 74.1 85.8 93.6 91.8 81.5 68.0 51.6 40.0 66.0
Highest Mean Max. Temperature (F) 47.6 57.0 63.9 73.9 79.6 92.3 98.5 96.5 88.5 77.1 62.0 49.9 98.5
Year Highest Occurred 1998 1995 1972 1992 1992 1994 1994 1994 1990 1988 1995 1980 1994
Lowest Mean Max. Temperature (F) 25.8 34.2 49.5 56.2 67.5 78.3 88.9 88.1 75.3 60.7 41.9 29.7 25.8
Year Lowest Occurred 1984 1984 1973 1975 1977 1998 1993 1976 1986 1984 2000 1972 1984
Mean Temperature (F) 26.4 32.9 41.7 48.5 57.6 67.5 75.0 73.4 63.4 51.0 37.4 27.2 50.2
Highest Mean Temperature (F) 35.0 40.1 47.0 56.0 62.1 72.6 78.0 77.5 69.9 58.1 43.2 35.2 78.0
Year Highest Occurred 2000 1986 1986 1992 1992 1994 1994 1994 1990 1988 1995 1977 1994
Lowest Mean Temperature (F) 14.0 19.5 34.2 41.9 52.1 61.9 70.7 68.7 58.7 46.1 29.5 16.3 14.0
Year Lowest Occurred 1973 1984 1976 1975 1975 1998 1993 1976 1971 1971 2000 1972 1973
Mean Min. Temperature (F) 14.1 19.6 27.0 32.5 41.0 49.2 56.4 54.9 45.2 33.9 23.1 14.3 34.3
Highest Mean Min. Temperature (F) 24.5 27.8 32.3 38.1 44.5 52.9 59.0 58.6 51.2 39.1 28.1 21.7 59.0
Year Highest Occurred 1995 1986 1978 1992 1992 1994 1985 2000 1990 1988 1981 1983 1985
Lowest Mean Min. Temperature (F) -1.4 4.8 18.5 27.5 35.7 45.2 52.5 49.3 39.9 30.0 17.0 2.6 -1.4
Year Lowest Occurred 1989 1984 1976 1975 1975 1995 1993 1976 1971 1999 2000 1990 1989
Mean Precipitation (in.) 0.60 0.65 0.85 0.83 0.99 0.48 0.56 0.64 0.78 1.01 0.61 0.43 8.43
Highest Precipitation (in.) 1.75 1.82 2.79 1.74 2.95 1.87 2.04 1.73 4.18 3.19 2.00 1.49 4.18
Year Highest Occurred 1993 1971 1980 1971 1980 1998 1984 1982 1982 2000 1978 1983 1982
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.02 0.00 0.00 0.00 0.01 0.00
Year Lowest Occurred 1972 1974 1972 1992 1974 1996 2000 1996 1974 1999 1995 1976 1972
Heating Degree Days (F) 1196. 898. 725. 497. 253. 64. 2. 7. 116. 437. 830. 1173. 6198.
Cooling Degree Days (F) 0. 0. 0. 2. 23. 140. 310. 265. 67. 2. 0. 0. 809.

Western Regional Climate Center, wrcc@dri.edu