KENNEWICK, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(454154)

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
1948 ----- z ----- z ----- z ----- z ----- z 101.00 a 96.00 c 98.00 92.00 76.00 60.00 55.00 101.00
1949 49.00 58.00 67.00 86.00 a 97.00 99.00 100.00 100.00 93.00 a 70.00 68.00 63.00 100.00
1950 50.00 62.00 62.00 76.00 88.00 98.00 101.00 97.00 99.00 a 78.00 61.00 64.00 101.00
1951 57.00 66.00 68.00 84.00 95.00 97.00 102.00 96.00 90.00 75.00 66.00 60.00 102.00
1952 52.00 60.00 75.00 89.00 94.00 94.00 104.00 101.00 92.00 a 83.00 63.00 53.00 104.00
1953 63.00 64.00 71.00 80.00 88.00 87.00 101.00 100.00 k 94.00 a 80.00 67.00 60.00 101.00
1954 59.00 a 65.00 69.00 a 83.00 94.00 94.00 a 96.00 m 97.00 87.00 71.00 62.00 54.00 97.00
1955 50.00 59.00 67.00 78.00 85.00 a 100.00 103.00 d 94.00 l 93.00 a 81.00 c 68.00 b 62.00 103.00
1956 61.00 61.00 k 68.00 87.00 95.00 95.00 100.00 n 99.00 88.00 a 74.00 64.00 61.00 100.00
1957 49.00 65.00 65.00 89.00 95.00 97.00 99.00 91.00 d 93.00 70.00 59.00 62.00 99.00
1958 62.00 65.00 66.00 77.00 99.00 106.00 106.00 101.00 j 90.00 81.00 68.00 64.00 106.00
1959 61.00 a 68.00 66.00 79.00 92.00 97.00 102.00 98.00 90.00 79.00 71.00 65.00 102.00
1960 50.00 b 59.00 82.00 82.00 86.00 94.00 107.00 100.00 88.00 81.00 70.00 52.00 107.00
1961 61.00 66.00 71.00 75.00 94.00 106.00 104.00 108.00 84.00 80.00 59.00 d 57.00 108.00
1962 60.00 59.00 70.00 85.00 81.00 96.00 102.00 100.00 92.00 73.00 68.00 56.00 102.00
1963 55.00 62.00 72.00 75.00 92.00 100.00 94.00 99.00 93.00 81.00 64.00 54.00 100.00
1964 56.00 62.00 76.00 75.00 89.00 96.00 101.00 94.00 87.00 76.00 60.00 59.00 101.00
1965 63.00 67.00 75.00 83.00 90.00 94.00 104.00 104.00 89.00 84.00 68.00 54.00 104.00
1966 55.00 61.00 77.00 78.00 95.00 94.00 98.00 99.00 94.00 82.00 61.00 59.00 99.00
1967 63.00 68.00 64.00 71.00 91.00 99.00 101.00 105.00 100.00 78.00 66.00 62.00 105.00
1968 66.00 66.00 69.00 90.00 90.00 97.00 106.00 98.00 b 92.00 80.00 60.00 60.00 106.00
1969 52.00 50.00 72.00 78.00 95.00 100.00 97.00 95.00 91.00 68.00 63.00 54.00 100.00
1970 53.00 58.00 66.00 70.00 92.00 101.00 102.00 98.00 86.00 82.00 62.00 60.00 102.00
1971 68.00 65.00 67.00 76.00 91.00 95.00 107.00 103.00 89.00 82.00 62.00 57.00 107.00
1972 62.00 70.00 77.00 81.00 96.00 98.00 101.00 106.00 95.00 82.00 58.00 63.00 106.00
1973 58.00 64.00 71.00 80.00 96.00 100.00 103.00 101.00 98.00 75.00 65.00 65.00 103.00
1974 63.00 60.00 74.00 78.00 85.00 101.00 103.00 103.00 91.00 81.00 70.00 60.00 a 103.00
1975 59.00 60.00 67.00 75.00 92.00 97.00 106.00 95.00 a 94.00 82.00 76.00 64.00 106.00
1976 63.00 61.00 75.00 84.00 ----- z 98.00 99.00 a 97.00 97.00 a 76.00 67.00 b 60.00 99.00
1977 61.00 68.00 70.00 87.00 76.00 a 100.00 g 101.00 110.00 87.00 81.00 68.00 67.00 110.00
1978 51.00 60.00 75.00 75.00 87.00 97.00 104.00 ----- z 88.00 79.00 70.00 54.00 104.00
1979 36.00 60.00 71.00 ----- z 94.00 ----- z 108.00 100.00 91.00 ----- z 60.00 59.00 108.00
1980 54.00 62.00 66.00 90.00 89.00 90.00 104.00 100.00 94.00 89.00 68.00 68.00 104.00
1981 55.00 64.00 71.00 90.00 91.00 93.00 103.00 105.00 97.00 81.00 a 70.00 58.00 105.00
1982 60.00 70.00 71.00 83.00 88.00 101.00 106.00 103.00 92.00 74.00 68.00 68.00 106.00
1983 66.00 66.00 68.00 82.00 104.00 93.00 100.00 100.00 89.00 77.00 75.00 52.00 104.00
1984 62.00 63.00 71.00 84.00 92.00 97.00 105.00 101.00 91.00 83.00 64.00 52.00 105.00
1985 40.00 62.00 69.00 83.00 95.00 101.00 104.00 95.00 86.00 76.00 67.00 45.00 104.00
1986 58.00 74.00 77.00 88.00 103.00 104.00 98.00 103.00 93.00 83.00 67.00 54.00 104.00
1987 55.00 60.00 69.00 91.00 98.00 100.00 104.00 102.00 100.00 82.00 65.00 66.00 104.00
1988 58.00 71.00 70.00 82.00 95.00 96.00 102.00 100.00 97.00 89.00 69.00 61.00 102.00
1989 63.00 52.00 71.00 80.00 86.00 93.00 97.00 101.00 92.00 79.00 73.00 60.00 101.00
1990 68.00 64.00 73.00 81.00 87.00 95.00 107.00 105.00 95.00 81.00 69.00 58.00 107.00
1991 58.00 63.00 70.00 80.00 78.00 93.00 101.00 101.00 95.00 89.00 65.00 58.00 101.00
1992 61.00 63.00 72.00 83.00 95.00 107.00 101.00 105.00 88.00 84.00 60.00 55.00 107.00
1993 57.00 50.00 64.00 74.00 100.00 96.00 96.00 98.00 94.00 85.00 65.00 68.00 100.00
1994 62.00 62.00 78.00 85.00 91.00 97.00 106.00 101.00 90.00 80.00 64.00 65.00 106.00
1995 64.00 74.00 69.00 79.00 93.00 93.00 100.00 98.00 96.00 74.00 68.00 62.00 100.00
1996 59.00 68.00 66.00 82.00 82.00 93.00 104.00 102.00 91.00 82.00 66.00 52.00 104.00
1997 56.00 65.00 76.00 76.00 92.00 95.00 101.00 103.00 89.00 79.00 65.00 61.00 103.00
1998 58.00 58.00 70.00 87.00 92.00 ----- z 108.00 110.00 99.00 82.00 68.00 59.00 110.00
1999 61.00 65.00 73.00 80.00 93.00 101.00 101.00 101.00 91.00 82.00 79.00 61.00 101.00
2000 54.00 59.00 64.00 82.00 90.00 98.00 100.00 104.00 91.00 77.00 61.00 49.00 104.00
2001 58.00 57.00 71.00 84.00 100.00 ----- z 102.00 102.00 92.00 81.00 ----- z 60.00 102.00
2002 67.00 66.00 65.00 75.00 84.00 102.00 106.00 100.00 92.00 78.00 63.00 66.00 106.00
2003 69.00 62.00 80.00 79.00 94.00 97.00 107.00 100.00 97.00 ----- z 68.00 51.00 107.00
2004 61.00 60.00 76.00 82.00 85.00 99.00 103.00 102.00 95.00 79.00 67.00 64.00 103.00
2005 61.00 60.00 76.00 81.00 96.00 98.00 102.00 101.00 88.00 76.00 59.00 52.00 102.00
2006 61.00 60.00 67.00 85.00 98.00 a 103.00 100.00 j ----- z ----- z ----- z ----- z ----- z 103.00
Period of Record Statistics
MEAN 58.17 62.77 70.66 81.30 91.67 97.51 102.32 100.65 92.09 79.34 65.74 59.03 103.33
S.D. 6.29 4.86 4.38 4.98 5.61 3.91 3.22 3.74 3.72 4.46 4.46 5.21 2.44
SKEW -1.08 -0.21 0.36 -0.02 -0.46 0.16 -0.32 0.20 0.22 -0.27 0.48 -0.31 0.04
MAX 69.00 74.00 82.00 91.00 104.00 107.00 108.00 110.00 100.00 89.00 79.00 68.00 108.00
MIN 36.00 50.00 62.00 70.00 76.00 87.00 94.00 91.00 84.00 68.00 58.00 45.00 99.00
NO YRS 58 57 58 57 57 55 56 54 58 56 57 58 45