RIMROCK TIETON DAM, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(457038)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197709
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
1947 -4.00 13.00 21.00 25.00 29.00 32.00 39.00 33.00 31.00 27.00 19.00 15.00 -4.00
1948 2.00 -5.00 9.00 17.00 23.00 35.00 36.00 36.00 29.00 21.00 17.00 -3.00 -5.00
1949 -15.00 -7.00 16.00 26.00 27.00 32.00 36.00 37.00 30.00 20.00 25.00 4.00 -15.00
1950 -22.00 -22.00 13.00 22.00 26.00 34.00 38.00 36.00 30.00 24.00 10.00 23.00 -22.00
1951 -8.00 -2.00 8.00 20.00 27.00 33.00 37.00 37.00 29.00 21.00 15.00 0.00 -8.00
1952 -5.00 4.00 13.00 a 21.00 24.00 31.00 35.00 35.00 30.00 27.00 14.00 14.00 -5.00
1953 12.00 10.00 16.00 19.00 26.00 31.00 37.00 39.00 27.00 23.00 18.00 18.00 10.00
1954 -11.00 5.00 8.00 24.00 20.00 30.00 31.00 34.00 26.00 20.00 15.00 6.00 -11.00
1955 10.00 7.00 -8.00 19.00 26.00 30.00 32.00 34.00 28.00 26.00 -6.00 -2.00 -8.00
1956 -8.00 -18.00 -7.00 21.00 26.00 26.00 38.00 36.00 29.00 25.00 8.00 -1.00 -18.00
1957 -19.00 -4.00 12.00 25.00 32.00 34.00 38.00 37.00 31.00 25.00 13.00 8.00 -19.00
1958 10.00 19.00 14.00 25.00 25.00 38.00 38.00 41.00 31.00 21.00 6.00 17.00 6.00
1959 -8.00 7.00 18.00 22.00 25.00 32.00 37.00 32.00 33.00 24.00 8.00 9.00 -8.00
1960 4.00 0.00 -2.00 24.00 25.00 32.00 34.00 34.00 28.00 25.00 12.00 7.00 -2.00
1961 2.00 18.00 19.00 20.00 27.00 35.00 37.00 38.00 26.00 22.00 8.00 6.00 2.00
1962 -9.00 -3.00 7.00 25.00 25.00 30.00 b 33.00 36.00 31.00 27.00 13.00 9.00 a -9.00
1963 -5.00 11.00 18.00 15.00 22.00 32.00 33.00 38.00 34.00 24.00 17.00 4.00 -5.00
1964 10.00 12.00 8.00 18.00 24.00 32.00 34.00 35.00 29.00 24.00 15.00 -20.00 -20.00
1965 3.00 16.00 10.00 23.00 25.00 35.00 37.00 32.00 25.00 25.00 17.00 5.00 3.00
1966 5.00 1.00 4.00 22.00 26.00 33.00 38.00 35.00 32.00 24.00 18.00 12.00 1.00
1967 18.00 16.00 14.00 20.00 f 26.00 37.00 41.00 38.00 33.00 27.00 13.00 5.00 5.00
1968 -8.00 8.00 22.00 17.00 27.00 34.00 36.00 37.00 31.00 25.00 21.00 -18.00 -18.00
1969 -14.00 3.00 5.00 23.00 27.00 38.00 35.00 31.00 28.00 17.00 17.00 12.00 -14.00
1970 3.00 19.00 h 13.00 20.00 26.00 33.00 38.00 38.00 26.00 18.00 a 13.00 3.00 3.00
1971 1.00 13.00 4.00 22.00 28.00 33.00 30.00 40.00 27.00 14.00 16.00 7.00 1.00
1972 0.00 0.00 16.00 19.00 27.00 37.00 35.00 38.00 24.00 19.00 23.00 -12.00 -12.00
1973 -3.00 12.00 20.00 22.00 25.00 33.00 36.00 35.00 31.00 26.00 13.00 20.00 -3.00
1974 -12.00 20.00 6.00 23.00 27.00 31.00 36.00 38.00 29.00 23.00 23.00 9.00 -12.00
1975 5.00 9.00 12.00 13.00 26.00 32.00 40.00 38.00 32.00 24.00 13.00 11.00 5.00
1976 13.00 3.00 b 0.00 b 21.00 26.00 b 26.00 33.00 36.00 31.00 20.00 11.00 12.00 0.00
1977 0.00 14.00 d 20.00 25.00 25.00 31.00 38.00 n 37.00 j 33.00 l ----- z ----- z ----- z 0.00
Period of Record Statistics
MEAN -1.71 5.33 10.61 21.27 25.81 32.65 35.93 36.13 29.37 22.93 14.17 6.00 -7.04
S.D. 9.80 10.17 7.81 3.18 2.09 2.83 2.59 2.37 2.50 3.25 5.98 9.98 8.64
SKEW -0.06 -0.85 -0.70 -0.67 0.02 -0.21 -0.40 -0.26 -0.28 -0.84 -1.03 -0.93 0.06
MAX 18.00 20.00 22.00 26.00 32.00 38.00 41.00 41.00 34.00 27.00 25.00 23.00 10.00
MIN -22.00 -22.00 -8.00 13.00 20.00 26.00 30.00 31.00 24.00 14.00 -6.00 -20.00 -22.00
NO YRS 31 30 31 30 31 31 30 30 30 30 30 30 27