SUNDANCE, WYOMING

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 30.8 35.7 44.5 54.5 65.5 76.6 84.5 83.2 72.2 59.6 41.8 32.8 56.8
Highest Mean Max. Temperature (F) 42.9 45.7 52.1 63.2 71.8 86.6 90.1 90.1 79.2 64.4 56.6 40.6 90.1
Year Highest Occurred 1981 1992 1986 1987 1985 1988 1980 1983 1979 1974 1999 1999 1980
Lowest Mean Max. Temperature (F) 18.6 22.4 33.9 46.1 57.1 68.4 75.9 77.4 63.0 54.1 27.1 18.4 18.4
Year Lowest Occurred 1979 1989 1996 1997 1996 1998 1992 1987 1986 1971 1985 1983 1983
Mean Temperature (F) 19.1 24.1 32.6 42.1 52.4 62.4 69.2 68.0 57.3 45.6 30.3 21.5 43.7
Highest Mean Temperature (F) 30.4 33.5 39.7 48.2 57.3 71.8 73.1 74.8 63.0 48.8 43.2 29.9 74.8
Year Highest Occurred 1981 1992 1986 1987 1994 1988 1988 1983 1990 1973 1999 1999 1983
Lowest Mean Temperature (F) 5.9 11.0 24.1 35.2 47.4 55.3 61.9 62.4 51.4 41.9 15.3 7.1 5.9
Year Lowest Occurred 1979 1989 1996 1997 1996 1998 1993 1974 1986 1971 1985 1983 1979
Mean Min. Temperature (F) 7.3 12.5 20.7 29.6 39.2 48.2 53.9 52.7 42.3 31.6 18.8 10.1 30.6
Highest Mean Min. Temperature (F) 17.9 21.4 27.3 33.3 43.9 57.0 57.8 59.5 48.5 34.5 29.7 19.1 59.5
Year Highest Occurred 1981 1992 1986 1987 1987 1988 1989 1983 1990 2000 1999 1999 1983
Lowest Mean Min. Temperature (F) -6.8 -0.3 14.2 24.3 35.1 42.2 47.6 46.9 37.3 28.4 3.5 -4.3 -6.8
Year Lowest Occurred 1979 1989 1996 1997 1983 1998 1993 1974 1974 1976 1985 1983 1979
Mean Precipitation (in.) 0.69 0.68 0.97 2.29 2.76 3.07 2.13 1.65 1.31 1.56 0.94 0.73 18.78
Highest Precipitation (in.) 1.91 1.91 2.35 4.69 6.00 6.76 4.89 4.25 5.16 6.10 4.35 1.83 6.76
Year Highest Occurred 1994 1997 1996 1997 1995 1993 1981 1999 1986 1998 2000 1996 1993
Lowest Precipitation (in.) 0.23 0.00 0.15 0.34 0.97 0.45 0.35 0.21 0.14 0.00 0.24 0.01 0.00
Year Lowest Occurred 1973 1983 1981 1987 1979 1987 1975 1991 1990 1999 1981 1994 1983
Heating Degree Days (F) 1423. 1145. 1004. 689. 396. 147. 42. 67. 260. 601. 1041. 1351. 8166.
Cooling Degree Days (F) 0. 0. 0. 0. 4. 67. 172. 157. 28. 0. 0. 0. 428.
Western Regional Climate Center, wrcc@dri.edu