MUD MOUNTAIN DAM, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(455704)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1939 52.00 j 55.00 72.00 80.00 87.00 74.00 a 92.00 91.00 82.00 74.00 65.00 62.00 92.00
1940 74.00 54.00 71.00 79.00 84.00 a 87.00 85.00 92.00 84.00 77.00 59.00 59.00 92.00
1941 62.00 62.00 74.00 77.00 81.00 89.00 96.00 87.00 74.00 75.00 68.00 63.00 a 96.00
1942 58.00 a 54.00 72.00 75.00 77.00 93.00 99.00 90.00 83.00 77.00 63.00 54.00 99.00
1943 54.00 63.00 58.00 77.00 72.00 80.00 84.00 84.00 89.00 80.00 64.00 59.00 89.00
1944 61.00 56.00 63.00 75.00 79.00 82.00 93.00 92.00 92.00 78.00 59.00 57.00 93.00
1945 59.00 58.00 56.00 67.00 82.00 80.00 88.00 87.00 82.00 83.00 57.00 60.00 88.00
1946 55.00 57.00 64.00 71.00 b 86.00 79.00 90.00 86.00 81.00 c 62.00 c 63.00 58.00 90.00
1947 58.00 62.00 74.00 79.00 83.00 76.00 87.00 80.00 85.00 74.00 60.00 60.00 87.00
1948 54.00 60.00 67.00 65.00 78.00 a 85.00 81.00 86.00 81.00 73.00 54.00 49.00 86.00
1949 50.00 64.00 62.00 70.00 78.00 81.00 85.00 87.00 e 84.00 67.00 74.00 57.00 87.00
1950 54.00 57.00 56.00 74.00 75.00 80.00 c 87.00 87.00 87.00 74.00 65.00 62.00 87.00
1951 57.00 59.00 64.00 77.00 78.00 89.00 93.00 86.00 88.00 82.00 62.00 59.00 a 93.00
1952 56.00 62.00 60.00 72.00 79.00 75.00 89.00 a 91.00 89.00 82.00 63.00 58.00 91.00
1953 59.00 57.00 65.00 66.00 85.00 74.00 87.00 a 86.00 90.00 77.00 65.00 56.00 90.00
1954 56.00 66.00 58.00 70.00 a 77.00 78.00 80.00 b 78.00 75.00 73.00 66.00 55.00 80.00
1955 52.00 50.00 55.00 69.00 71.00 90.00 80.00 83.00 d 87.00 69.00 61.00 55.00 90.00
1956 55.00 49.00 67.00 77.00 87.00 76.00 93.00 87.00 b 85.00 70.00 61.00 55.00 93.00
1957 52.00 56.00 58.00 77.00 78.00 75.00 79.00 77.00 84.00 74.00 62.00 60.00 84.00
1958 57.00 62.00 59.00 75.00 85.00 88.00 95.00 89.00 89.00 74.00 60.00 62.00 95.00
1959 57.00 52.00 59.00 70.00 79.00 82.00 89.00 91.00 76.00 66.00 64.00 57.00 91.00
1960 63.00 57.00 68.00 69.00 75.00 78.00 90.00 95.00 82.00 75.00 61.00 57.00 95.00
1961 68.00 58.00 60.00 64.00 82.00 86.00 94.00 91.00 78.00 82.00 63.00 53.00 94.00
1962 60.00 67.00 64.00 75.00 65.00 79.00 86.00 82.00 82.00 75.00 68.00 60.00 86.00
1963 58.00 68.00 65.00 63.00 89.00 83.00 75.00 84.00 84.00 70.00 57.00 61.00 89.00
1964 55.00 55.00 72.00 60.00 78.00 83.00 81.00 83.00 75.00 77.00 61.00 57.00 83.00
1965 58.00 61.00 66.00 77.00 72.00 78.00 91.00 92.00 80.00 76.00 62.00 64.00 92.00
1966 55.00 57.00 69.00 73.00 77.00 84.00 81.00 84.00 81.00 77.00 64.00 59.00 84.00
1967 56.00 59.00 58.00 60.00 79.00 86.00 85.00 94.00 90.00 70.00 62.00 53.00 94.00
1968 63.00 68.00 70.00 74.00 77.00 85.00 88.00 87.00 82.00 72.00 60.00 57.00 88.00
1969 53.00 53.00 70.00 68.00 86.00 87.00 83.00 80.00 80.00 72.00 69.00 60.00 87.00
1970 56.00 63.00 60.00 60.00 78.00 92.00 90.00 85.00 82.00 78.00 70.00 53.00 92.00
1971 57.00 61.00 54.00 73.00 87.00 79.00 91.00 93.00 77.00 75.00 58.00 48.00 93.00
1972 49.00 57.00 68.00 76.00 88.00 77.00 88.00 91.00 85.00 71.00 56.00 55.00 91.00
1973 54.00 62.00 63.00 66.00 90.00 85.00 87.00 85.00 88.00 68.00 62.00 59.00 90.00
1974 57.00 51.00 58.00 71.00 71.00 82.00 85.00 88.00 88.00 76.00 60.00 55.00 88.00
1975 53.00 57.00 55.00 65.00 79.00 84.00 85.00 79.00 85.00 83.00 68.00 59.00 85.00
1976 60.00 55.00 61.00 73.00 81.00 83.00 83.00 76.00 83.00 75.00 65.00 59.00 83.00
1977 56.00 66.00 58.00 77.00 70.00 83.00 83.00 97.00 75.00 68.00 60.00 55.00 97.00
1978 55.00 60.00 64.00 67.00 81.00 90.00 93.00 94.00 72.00 73.00 64.00 53.00 94.00
1979 54.00 59.00 70.00 75.00 79.00 83.00 93.00 84.00 94.00 82.00 63.00 65.00 94.00
1980 54.00 58.00 60.00 78.00 a 77.00 75.00 89.00 87.00 80.00 86.00 70.00 65.00 89.00
1981 60.00 61.00 64.00 74.00 77.00 81.00 86.00 98.00 93.00 63.00 70.00 62.00 98.00
1982 59.00 a 57.00 60.00 77.00 76.00 93.00 85.00 87.00 85.00 73.00 62.00 ----- z 93.00
1983 60.00 64.00 60.00 73.00 92.00 77.00 82.00 80.00 77.00 68.00 63.00 48.00 92.00
1984 64.00 63.00 64.00 78.00 79.00 81.00 90.00 85.00 78.00 79.00 60.00 53.00 90.00
1985 56.00 52.00 63.00 73.00 85.00 89.00 93.00 88.00 76.00 69.00 55.00 53.00 93.00
1986 62.00 70.00 72.00 73.00 84.00 89.00 80.00 92.00 84.00 72.00 62.00 59.00 92.00
1987 58.00 65.00 70.00 83.00 84.00 91.00 85.00 89.00 93.00 90.00 62.00 59.00 93.00
1988 59.00 62.00 66.00 74.00 84.00 85.00 92.00 89.00 93.00 76.00 67.00 61.00 93.00
1989 57.00 52.00 62.00 73.00 79.00 87.00 81.00 83.00 89.00 72.00 61.00 61.00 89.00
1990 55.00 63.00 66.00 74.00 82.00 84.00 92.00 94.00 92.00 72.00 67.00 58.00 94.00
1991 58.00 65.00 66.00 73.00 69.00 76.00 94.00 88.00 88.00 88.00 62.00 55.00 94.00
1992 64.00 71.00 67.00 78.00 87.00 92.00 90.00 91.00 84.00 81.00 57.00 49.00 92.00
1993 54.00 62.00 62.00 67.00 84.00 80.00 76.00 93.00 86.00 80.00 55.00 66.00 93.00
1994 61.00 59.00 72.00 72.00 77.00 78.00 96.00 87.00 86.00 72.00 54.00 60.00 96.00
1995 58.00 64.00 68.00 69.00 82.00 91.00 91.00 84.00 85.00 67.00 65.00 62.00 91.00
1996 57.00 69.00 66.00 74.00 70.00 81.00 93.00 91.00 81.00 84.00 64.00 57.00 93.00
1997 64.00 61.00 67.00 70.00 84.00 77.00 87.00 88.00 88.00 72.00 64.00 57.00 88.00
1998 58.00 60.00 66.00 79.00 82.00 81.00 97.00 89.00 91.00 76.00 58.00 62.00 97.00
1999 57.00 50.00 64.00 79.00 77.00 86.00 83.00 80.00 82.00 70.00 68.00 48.00 a 86.00
2000 45.00 a 50.00 54.00 ----- z 70.00 85.00 80.00 79.00 82.00 77.00 51.00 53.00 85.00
2001 58.00 51.00 63.00 69.00 83.00 80.00 77.00 83.00 74.00 70.00 62.00 47.00 83.00
2002 54.00 52.00 52.00 61.00 72.00 84.00 88.00 89.00 80.00 72.00 65.00 60.00 89.00
2003 58.00 52.00 68.00 66.00 77.00 90.00 94.00 89.00 91.00 74.00 54.00 53.00 94.00
2004 53.00 51.00 66.00 74.00 75.00 83.00 90.00 87.00 75.00 68.00 54.00 56.00 90.00
2005 60.00 58.00 65.00 67.00 82.00 76.00 81.00 82.00 72.00 66.00 51.00 56.00 82.00
2006 55.00 60.00 58.00 72.00 80.00 91.00 c 89.00 k ----- z ----- z ----- z ----- z ----- z 91.00
Period of Record Statistics
MEAN 57.28 58.99 63.79 72.06 79.63 82.99 87.40 87.06 83.51 74.52 61.96 57.26 90.49
S.D. 4.33 5.40 5.36 5.31 5.56 5.24 5.48 4.85 5.61 5.72 4.71 4.35 4.18
SKEW 0.73 0.08 -0.09 -0.51 -0.22 0.16 -0.18 -0.14 -0.14 0.38 -0.15 -0.42 -0.38
MAX 74.00 71.00 74.00 83.00 92.00 93.00 99.00 98.00 94.00 90.00 74.00 66.00 99.00
MIN 45.00 49.00 52.00 60.00 65.00 74.00 75.00 76.00 72.00 62.00 51.00 47.00 80.00
NO YRS 67 68 68 67 68 68 67 67 67 67 67 66 63