MC NARY DAM, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(455231)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200810
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
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 69.00 f 61.00 55.00 69.00
1955 59.00 58.00 64.00 78.00 87.00 98.00 104.00 97.00 103.00 80.00 67.00 60.00 104.00
1956 58.00 60.00 64.00 85.00 92.00 92.00 106.00 102.00 91.00 76.00 61.00 60.00 106.00
1957 50.00 64.00 68.00 87.00 100.00 99.00 97.00 96.00 96.00 72.00 59.00 62.00 100.00
1958 63.00 66.00 64.00 78.00 96.00 104.00 109.00 107.00 92.00 87.00 68.00 60.00 109.00
1959 67.00 65.00 70.00 80.00 92.00 97.00 107.00 98.00 91.00 77.00 67.00 60.00 107.00
1960 48.00 56.00 79.00 80.00 90.00 95.00 110.00 102.00 92.00 82.00 69.00 51.00 110.00
1961 61.00 67.00 68.00 72.00 90.00 106.00 106.00 111.00 88.00 80.00 59.00 56.00 111.00
1962 59.00 57.00 63.00 81.00 a 80.00 94.00 104.00 100.00 94.00 74.00 67.00 57.00 104.00
1963 55.00 58.00 67.00 72.00 90.00 101.00 94.00 b 101.00 96.00 83.00 63.00 52.00 101.00
1964 59.00 63.00 71.00 72.00 85.00 92.00 105.00 95.00 87.00 74.00 63.00 57.00 105.00
1965 60.00 67.00 67.00 82.00 87.00 94.00 103.00 105.00 95.00 82.00 68.00 53.00 105.00
1966 56.00 58.00 77.00 79.00 93.00 89.00 99.00 99.00 97.00 81.00 63.00 60.00 99.00
1967 63.00 63.00 67.00 71.00 94.00 100.00 105.00 106.00 98.00 72.00 72.00 58.00 106.00
1968 61.00 66.00 66.00 87.00 89.00 95.00 106.00 98.00 93.00 80.00 58.00 60.00 106.00
1969 52.00 a 52.00 74.00 75.00 92.00 99.00 98.00 98.00 92.00 73.00 63.00 57.00 99.00
1970 52.00 56.00 67.00 68.00 89.00 101.00 102.00 100.00 89.00 82.00 61.00 60.00 102.00
1971 65.00 66.00 63.00 75.00 88.00 97.00 107.00 106.00 86.00 82.00 62.00 58.00 107.00
1972 62.00 70.00 73.00 77.00 94.00 97.00 100.00 104.00 96.00 80.00 63.00 60.00 104.00
1973 49.00 61.00 68.00 79.00 93.00 a 99.00 102.00 100.00 93.00 74.00 65.00 57.00 102.00
1974 60.00 56.00 71.00 74.00 81.00 101.00 102.00 99.00 88.00 83.00 62.00 60.00 102.00
1975 57.00 63.00 64.00 66.00 85.00 a 95.00 102.00 94.00 94.00 77.00 69.00 65.00 102.00
1976 60.00 62.00 67.00 72.00 91.00 100.00 98.00 93.00 96.00 86.00 67.00 58.00 100.00
1977 61.00 66.00 69.00 90.00 77.00 95.00 98.00 103.00 86.00 75.00 69.00 61.00 103.00
1978 47.00 57.00 72.00 74.00 81.00 p 94.00 j 103.00 102.00 88.00 82.00 73.00 60.00 103.00
1979 42.00 62.00 71.00 80.00 92.00 97.00 106.00 99.00 90.00 84.00 66.00 61.00 106.00
1980 50.00 58.00 68.00 82.00 88.00 89.00 c 100.00 95.00 i 80.00 q 86.00 65.00 a 64.00 c 100.00
1981 48.00 z ----- z 68.00 t 80.00 g ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 80.00
1982 59.00 z 70.00 68.00 76.00 t 86.00 j 93.00 x 103.00 104.00 91.00 74.00 65.00 67.00 104.00
1983 60.00 64.00 67.00 76.00 104.00 91.00 99.00 98.00 89.00 76.00 75.00 50.00 104.00
1984 59.00 60.00 69.00 80.00 84.00 95.00 106.00 101.00 90.00 81.00 67.00 52.00 106.00
1985 40.00 61.00 67.00 80.00 95.00 100.00 103.00 95.00 87.00 77.00 65.00 45.00 103.00
1986 48.00 67.00 72.00 86.00 95.00 101.00 98.00 101.00 92.00 76.00 65.00 53.00 101.00
1987 53.00 60.00 69.00 88.00 97.00 102.00 104.00 a 100.00 99.00 78.00 64.00 57.00 104.00
1988 55.00 66.00 68.00 80.00 89.00 92.00 102.00 96.00 92.00 87.00 71.00 57.00 102.00
1989 59.00 52.00 65.00 81.00 83.00 94.00 95.00 99.00 90.00 81.00 70.00 57.00 99.00
1990 67.00 61.00 69.00 79.00 85.00 92.00 105.00 103.00 94.00 79.00 67.00 55.00 105.00
1991 55.00 60.00 65.00 78.00 76.00 84.00 100.00 99.00 91.00 87.00 62.00 56.00 100.00
1992 58.00 59.00 69.00 82.00 92.00 104.00 98.00 106.00 87.00 82.00 60.00 54.00 106.00
1993 51.00 48.00 62.00 73.00 98.00 93.00 94.00 97.00 91.00 83.00 63.00 66.00 98.00
1994 56.00 65.00 73.00 85.00 89.00 94.00 107.00 99.00 90.00 78.00 64.00 61.00 107.00
1995 59.00 69.00 72.00 76.00 90.00 92.00 99.00 94.00 96.00 76.00 68.00 60.00 99.00
1996 59.00 65.00 64.00 78.00 79.00 89.00 101.00 100.00 86.00 82.00 63.00 49.00 101.00
1997 53.00 60.00 72.00 76.00 88.00 91.00 96.00 99.00 89.00 72.00 62.00 61.00 99.00
1998 55.00 55.00 68.00 81.00 88.00 95.00 105.00 105.00 98.00 79.00 68.00 60.00 105.00
1999 60.00 63.00 66.00 78.00 92.00 94.00 99.00 98.00 89.00 78.00 75.00 60.00 99.00
2000 54.00 58.00 65.00 78.00 87.00 97.00 100.00 98.00 88.00 75.00 59.00 48.00 100.00
2001 57.00 53.00 65.00 83.00 94.00 96.00 101.00 102.00 92.00 78.00 68.00 61.00 102.00
2002 63.00 65.00 65.00 73.00 82.00 98.00 102.00 98.00 92.00 77.00 61.00 67.00 102.00
2003 60.00 60.00 78.00 76.00 ----- z 94.00 105.00 100.00 95.00 84.00 68.00 50.00 105.00
2004 59.00 56.00 e 73.00 81.00 82.00 99.00 104.00 102.00 94.00 79.00 66.00 58.00 104.00
2005 53.00 55.00 75.00 80.00 94.00 94.00 ----- z ----- z 89.00 ----- z 58.00 49.00 94.00
2006 60.00 ----- z 66.00 81.00 ----- z 101.00 108.00 ----- z 93.00 84.00 71.00 60.00 108.00
2007 54.00 61.00 72.00 77.00 85.00 97.00 104.00 101.00 91.00 74.00 68.00 68.00 104.00
2008 56.00 58.00 63.00 79.00 90.00 98.00 96.00 101.00 85.00 84.00 ----- z ----- z 101.00
Period of Record Statistics
MEAN 56.52 60.92 68.47 78.48 89.24 96.14 102.06 100.22 91.75 79.33 65.34 57.79 103.26
S.D. 5.67 4.89 3.97 4.97 5.78 4.37 3.91 3.66 3.82 4.22 4.16 5.01 3.15
SKEW -0.72 -0.26 0.67 -0.05 -0.12 -0.15 -0.19 0.46 0.50 0.03 0.28 -0.34 0.33
MAX 67.00 70.00 79.00 90.00 104.00 106.00 110.00 111.00 103.00 87.00 75.00 68.00 111.00
MIN 40.00 48.00 62.00 66.00 76.00 84.00 94.00 93.00 85.00 72.00 58.00 45.00 98.00
NO YRS 52 52 53 52 49 51 52 50 52 52 53 53 46