HOLLISTER, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 37.3 43.4 51.2 59.8 68.0 77.8 86.1 84.9 75.1 62.9 47.4 38.8 61.1
Highest Mean Max. Temperature (F) 43.6 55.8 58.7 71.6 77.2 84.8 91.4 89.2 81.8 73.2 58.4 47.7 91.4
Year Highest Occurred 1998 1991 1992 1987 1992 1974 1989 1981 1990 1988 1999 1980 1989
Lowest Mean Max. Temperature (F) 25.5 33.1 42.7 47.9 60.1 69.4 76.7 78.3 65.7 56.0 39.6 28.9 25.5
Year Lowest Occurred 1979 1989 1985 1975 1977 1995 1993 1976 1985 1984 1985 1983 1979
Mean Temperature (F) 28.4 33.4 39.5 46.1 53.6 62.2 70.0 69.1 60.2 49.5 37.4 29.4 48.2
Highest Mean Temperature (F) 35.6 41.5 45.5 54.2 60.2 68.0 74.6 72.6 66.5 57.5 45.3 35.7 74.6
Year Highest Occurred 1998 1991 1986 1987 1992 1988 1985 1981 1990 1988 1999 1980 1985
Lowest Mean Temperature (F) 15.9 23.8 33.4 37.8 48.3 56.6 62.4 63.9 53.7 45.0 29.7 19.1 15.9
Year Lowest Occurred 1979 1989 1976 1975 1977 1995 1993 1976 1985 1984 1985 1985 1979
Mean Min. Temperature (F) 19.5 23.3 27.7 32.4 39.2 46.5 53.8 53.3 45.3 36.1 27.4 19.9 35.4
Highest Mean Min. Temperature (F) 27.6 30.3 33.4 37.3 44.1 52.9 60.2 57.3 51.8 41.8 32.2 27.0 60.2
Year Highest Occurred 1978 2000 1978 1985 1993 1977 1985 1984 1998 1988 1999 1975 1985
Lowest Mean Min. Temperature (F) 6.4 14.4 21.7 27.6 35.5 41.7 48.0 48.7 41.3 32.1 18.9 9.2 6.4
Year Lowest Occurred 1979 1989 1976 1982 1975 1991 1993 1993 1971 1982 1993 1990 1979
Mean Precipitation (in.) 0.91 0.58 0.89 0.95 1.52 1.12 0.47 0.51 0.78 0.84 0.96 0.81 10.34
Highest Precipitation (in.) 2.18 2.34 2.61 2.57 4.69 3.03 1.59 2.23 2.91 1.87 2.90 2.82 4.69
Year Highest Occurred 1979 1986 1993 1981 1998 1995 1977 1983 1978 1982 1988 1996 1998
Lowest Precipitation (in.) 0.08 0.03 0.05 0.11 0.00 0.03 0.00 0.00 0.00 0.00 0.12 0.00 0.00
Year Lowest Occurred 1992 1991 1977 1977 1992 2000 2000 1996 1999 1988 1993 1986 1992
Heating Degree Days (F) 1135. 887. 792. 569. 362. 155. 28. 35. 186. 481. 829. 1106. 6565.
Cooling Degree Days (F) 0. 0. 0. 2. 8. 69. 181. 162. 43. 1. 0. 0. 466.

Western Regional Climate Center, wrcc@dri.edu