LOWER MONUMENTAL DAM,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(454841)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200702
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 37.00 24.00 17.00 17.00
1963 1.00 16.00 26.00 32.00 40.00 50.00 47.00 51.00 44.00 33.00 23.00 16.00 1.00
1964 25.00 24.00 24.00 30.00 38.00 47.00 52.00 44.00 42.00 34.00 27.00 -6.00 -6.00
1965 17.00 24.00 17.00 35.00 36.00 49.00 53.00 45.00 35.00 38.00 30.00 21.00 17.00
1966 21.00 26.00 21.00 28.00 41.00 40.00 52.00 49.00 48.00 35.00 29.00 27.00 c 21.00
1967 25.00 26.00 25.00 35.00 a 37.00 51.00 57.00 55.00 44.00 34.00 20.00 13.00 13.00
1968 15.00 21.00 30.00 30.00 39.00 47.00 55.00 ----- z 42.00 b 35.00 28.00 -14.00 b -14.00
1969 -2.00 16.00 27.00 38.00 a 41.00 52.00 49.00 52.00 45.00 31.00 29.00 23.00 -2.00
1970 19.00 d 31.00 31.00 33.00 41.00 48.00 53.00 56.00 38.00 32.00 16.00 18.00 16.00
1971 17.00 22.00 20.00 33.00 41.00 46.00 48.00 53.00 42.00 22.00 27.00 16.00 16.00
1972 3.00 9.00 21.00 31.00 37.00 51.00 ----- z 54.00 39.00 31.00 30.00 -1.00 -1.00
1973 5.00 25.00 31.00 33.00 41.00 47.00 51.00 52.00 48.00 ----- z 30.00 21.00 5.00
1974 1.00 30.00 ----- z 36.00 a 40.00 48.00 52.00 55.00 31.00 33.00 31.00 25.00 1.00
1975 12.00 18.00 27.00 30.00 39.00 46.00 55.00 51.00 48.00 ----- z 18.00 ----- z 12.00
1976 23.00 17.00 18.00 34.00 40.00 43.00 51.00 50.00 48.00 30.00 17.00 20.00 17.00
1977 ----- z 25.00 28.00 31.00 38.00 44.00 51.00 52.00 44.00 35.00 13.00 15.00 13.00
1978 4.00 22.00 28.00 35.00 40.00 47.00 53.00 50.00 38.00 26.00 15.00 -5.00 -5.00
1979 -6.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -6.00
1980 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1981 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1982 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1983 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1984 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1987 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1988 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1989 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1990 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1991 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1992 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1993 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1996 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2000 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2003 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2004 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2005 ----- z ----- z ----- z 35.00 ----- z ----- z ----- z 51.00 ----- z ----- z 27.00 10.00 10.00
2006 28.00 f ----- z 30.00 36.00 ----- z ----- z ----- z ----- z 45.00 37.00 k ----- z 21.00 v 21.00
2007 ----- z 27.00 s ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.00
Period of Record Statistics
MEAN 11.25 22.00 25.25 33.06 39.31 47.25 51.93 51.25 42.41 32.40 24.11 12.71 8.80
S.D. 10.31 5.69 4.61 2.67 1.66 3.13 2.66 3.30 4.89 4.12 6.03 11.98 10.50
SKEW -0.14 -0.52 -0.42 -0.10 -0.61 -0.58 -0.07 -0.77 -0.75 -1.13 -0.56 -0.97 -0.39
MAX 25.00 31.00 31.00 38.00 41.00 52.00 57.00 56.00 48.00 38.00 31.00 27.00 21.00
MIN -6.00 9.00 17.00 28.00 36.00 40.00 47.00 44.00 31.00 22.00 13.00 -14.00 -6.00
NO YRS 16 16 16 18 16 16 15 16 17 15 18 17 10