WATERVILLE, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(459012)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200602
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
1931 45.00 b 44.00 58.00 78.00 90.00 91.00 96.00 92.00 84.00 77.00 56.00 40.00 96.00
1932 48.00 55.00 65.00 70.00 74.00 88.00 88.00 93.00 88.00 84.00 58.00 51.00 93.00
1933 46.00 43.00 51.00 74.00 74.00 90.00 96.00 94.00 80.00 80.00 66.00 50.00 96.00
1934 50.00 57.00 65.00 84.00 92.00 90.00 99.00 94.00 89.00 78.00 57.00 a 43.00 99.00
1935 48.00 49.00 57.00 68.00 81.00 86.00 99.00 92.00 89.00 82.00 58.00 44.00 99.00
1936 42.00 50.00 63.00 82.00 89.00 90.00 98.00 95.00 85.00 80.00 54.00 54.00 98.00
1937 32.00 49.00 58.00 66.00 79.00 89.00 93.00 87.00 88.00 70.00 a 55.00 46.00 a 93.00
1938 44.00 43.00 51.00 70.00 82.00 89.00 95.00 87.00 88.00 70.00 50.00 48.00 95.00
1939 44.00 44.00 70.00 76.00 85.00 88.00 100.00 92.00 84.00 73.00 57.00 48.00 100.00
1940 48.00 50.00 62.00 ----- z 82.00 87.00 91.00 89.00 86.00 74.00 48.00 48.00 91.00
1941 42.00 47.00 64.00 71.00 80.00 82.00 95.00 90.00 72.00 66.00 56.00 51.00 95.00
1942 49.00 48.00 61.00 76.00 72.00 84.00 94.00 92.00 83.00 74.00 48.00 48.00 94.00
1943 50.00 50.00 58.00 78.00 75.00 83.00 88.00 88.00 85.00 78.00 56.00 47.00 88.00
1944 50.00 45.00 62.00 70.00 80.00 85.00 92.00 84.00 89.00 88.00 51.00 44.00 a 92.00
1945 50.00 48.00 58.00 68.00 78.00 84.00 91.00 89.00 81.00 77.00 65.00 43.00 91.00
1946 42.00 50.00 56.00 78.00 88.00 83.00 92.00 92.00 ----- z 64.00 49.00 53.00 92.00
1947 45.00 58.00 69.00 74.00 85.00 84.00 91.00 87.00 83.00 75.00 a 55.00 44.00 91.00
1948 47.00 48.00 62.00 66.00 a 79.00 89.00 84.00 85.00 84.00 64.00 48.00 42.00 89.00
1949 42.00 47.00 54.00 74.00 87.00 88.00 92.00 95.00 88.00 64.00 65.00 48.00 a 95.00
1950 43.00 50.00 53.00 66.00 76.00 84.00 90.00 88.00 91.00 60.00 49.00 a 45.00 91.00
1951 47.00 b 54.00 52.00 70.00 78.00 82.00 90.00 89.00 83.00 73.00 52.00 45.00 b 90.00
1952 39.00 a 48.00 63.00 a 78.00 79.00 80.00 94.00 95.00 86.00 79.00 57.00 38.00 95.00
1953 49.00 ----- z 59.00 68.00 79.00 76.00 94.00 96.00 90.00 a 76.00 60.00 47.00 96.00
1954 45.00 50.00 55.00 71.00 86.00 81.00 93.00 92.00 80.00 67.00 60.00 a 45.00 93.00
1955 42.00 45.00 52.00 66.00 76.00 93.00 98.00 96.00 95.00 70.00 56.00 41.00 98.00
1956 40.00 43.00 51.00 79.00 90.00 a 82.00 97.00 96.00 84.00 74.00 52.00 49.00 a 97.00
1957 39.00 48.00 56.00 80.00 86.00 86.00 90.00 88.00 88.00 72.00 57.00 59.00 a 90.00
1958 45.00 57.00 55.00 73.00 91.00 b 96.00 97.00 95.00 89.00 83.00 58.00 47.00 97.00
1959 45.00 44.00 52.00 68.00 75.00 79.00 98.00 89.00 82.00 69.00 58.00 e 48.00 98.00
1960 45.00 a 45.00 68.00 73.00 75.00 82.00 100.00 95.00 87.00 76.00 g 65.00 42.00 100.00
1961 48.00 50.00 63.00 67.00 80.00 96.00 ----- z 104.00 83.00 64.00 49.00 41.00 104.00
1962 50.00 50.00 62.00 65.00 70.00 85.00 96.00 88.00 85.00 70.00 57.00 41.00 a 96.00
1963 48.00 48.00 ----- z ----- z ----- z 94.00 c 89.00 96.00 89.00 75.00 49.00 40.00 96.00
1964 40.00 50.00 67.00 65.00 77.00 85.00 97.00 88.00 82.00 73.00 51.00 41.00 97.00
1965 50.00 50.00 59.00 71.00 82.00 87.00 b 98.00 b 100.00 b 80.00 75.00 58.00 46.00 a 100.00
1966 44.00 66.00 67.00 72.00 88.00 87.00 92.00 98.00 90.00 75.00 59.00 44.00 98.00
1967 50.00 59.00 55.00 63.00 80.00 92.00 97.00 103.00 96.00 67.00 66.00 52.00 103.00
1968 52.00 57.00 60.00 78.00 81.00 91.00 100.00 95.00 86.00 79.00 ----- z 48.00 100.00
1969 42.00 46.00 60.00 73.00 85.00 95.00 93.00 94.00 88.00 a 68.00 57.00 44.00 95.00
1970 44.00 48.00 59.00 60.00 84.00 95.00 a 97.00 98.00 87.00 82.00 61.00 46.00 98.00
1971 55.00 52.00 54.00 ----- z 82.00 a 87.00 100.00 101.00 78.00 75.00 55.00 45.00 101.00
1972 37.00 z 53.00 65.00 68.00 86.00 88.00 93.00 100.00 89.00 74.00 50.00 d 55.00 100.00
1973 47.00 a 50.00 60.00 71.00 90.00 95.00 97.00 98.00 93.00 68.00 50.00 44.00 98.00
1974 48.00 a 48.00 58.00 70.00 73.00 94.00 96.00 95.00 93.00 72.00 51.00 45.00 96.00
1975 45.00 46.00 55.00 67.00 81.00 84.00 101.00 89.00 89.00 76.00 65.00 55.00 101.00
1976 47.00 47.00 57.00 67.00 79.00 89.00 93.00 89.00 90.00 81.00 60.00 46.00 93.00
1977 50.00 59.00 58.00 88.00 79.00 93.00 93.00 100.00 83.00 67.00 57.00 48.00 100.00
1978 42.00 44.00 63.00 70.00 77.00 92.00 94.00 99.00 79.00 72.00 61.00 43.00 99.00
1979 39.00 48.00 68.00 ----- z ----- z ----- z ----- z 93.00 88.00 82.00 51.00 51.00 93.00
1980 ----- z 50.00 60.00 78.00 79.00 b 78.00 96.00 a 90.00 84.00 81.00 54.00 a 52.00 96.00
1981 45.00 a 49.00 a 63.00 79.00 77.00 c 86.00 a 95.00 99.00 92.00 68.00 55.00 43.00 a 99.00
1982 46.00 a 51.00 60.00 70.00 83.00 91.00 98.00 97.00 86.00 74.00 50.00 45.00 98.00
1983 50.00 48.00 54.00 72.00 92.00 85.00 93.00 93.00 79.00 67.00 54.00 38.00 93.00
1984 50.00 45.00 55.00 72.00 87.00 85.00 96.00 96.00 84.00 74.00 48.00 42.00 96.00
1985 38.00 50.00 60.00 74.00 84.00 91.00 99.00 89.00 78.00 65.00 54.00 35.00 99.00
1986 42.00 52.00 68.00 73.00 96.00 92.00 95.00 97.00 89.00 74.00 54.00 41.00 97.00
1987 42.00 46.00 65.00 84.00 91.00 ----- z ----- z 93.00 96.00 79.00 59.00 ----- z 96.00
1988 42.00 55.00 59.00 79.00 ----- z 90.00 97.00 93.00 98.00 82.00 58.00 43.00 a 98.00
1989 51.00 41.00 52.00 75.00 80.00 89.00 93.00 ----- z ----- z 79.00 61.00 43.00 93.00
1990 44.00 50.00 68.00 71.00 82.00 86.00 101.00 97.00 ----- z ----- z ----- z ----- z 101.00
1991 ----- z ----- z ----- z 71.00 74.00 82.00 94.00 97.00 88.00 80.00 41.00 q 46.00 97.00
1992 40.00 m 41.00 64.00 o 75.00 91.00 100.00 100.00 101.00 86.00 81.00 60.00 40.00 101.00
1993 44.00 42.00 51.00 61.00 85.00 81.00 81.00 86.00 88.00 78.00 56.00 48.00 88.00
1994 55.00 48.00 74.00 81.00 89.00 94.00 105.00 99.00 90.00 78.00 44.00 45.00 105.00
1995 41.00 52.00 65.00 71.00 88.00 88.00 95.00 92.00 91.00 65.00 55.00 47.00 95.00
1996 45.00 47.00 60.00 75.00 77.00 83.00 97.00 99.00 87.00 73.00 53.00 36.00 p 99.00
1997 42.00 t 41.00 o 53.00 62.00 84.00 80.00 89.00 96.00 84.00 62.00 50.00 51.00 96.00
1998 40.00 42.00 59.00 80.00 83.00 ----- z 102.00 97.00 97.00 72.00 k 53.00 43.00 102.00
1999 48.00 46.00 59.00 77.00 87.00 91.00 n 95.00 96.00 86.00 66.00 58.00 48.00 96.00
2000 39.00 43.00 64.00 70.00 76.00 90.00 96.00 94.00 85.00 64.00 45.00 33.00 96.00
2001 40.00 39.00 60.00 74.00 88.00 86.00 94.00 95.00 87.00 77.00 52.00 36.00 95.00
2002 41.00 47.00 54.00 68.00 73.00 95.00 99.00 94.00 86.00 71.00 51.00 43.00 99.00
2003 44.00 44.00 68.00 66.00 84.00 96.00 ----- z 92.00 88.00 g 84.00 51.00 38.00 96.00
2004 44.00 ----- z 66.00 79.00 77.00 98.00 98.00 100.00 87.00 78.00 i 56.00 45.00 m 100.00
2005 48.00 57.00 70.00 76.00 88.00 93.00 ----- z 96.00 83.00 71.00 44.00 40.00 96.00
2006 44.00 45.00 ----- z 75.00 95.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 95.00
Period of Record Statistics
MEAN 45.17 48.75 59.96 72.47 82.29 87.87 94.99 93.81 86.48 73.65 54.97 45.25 95.67
S.D. 4.23 4.92 5.54 5.71 5.95 5.18 4.15 4.49 4.73 6.26 5.20 4.85 3.69
SKEW -0.15 0.84 0.23 0.21 0.17 0.06 -0.62 -0.06 -0.04 -0.09 0.14 0.17 -0.09
MAX 55.00 66.00 74.00 88.00 96.00 100.00 105.00 104.00 98.00 88.00 66.00 59.00 105.00
MIN 32.00 39.00 51.00 60.00 70.00 76.00 81.00 84.00 72.00 60.00 44.00 33.00 88.00
NO YRS 71 72 72 72 73 71 70 74 71 71 72 71 49