WALLA WALLA WB CITY, WASHINGTON

Monthly Total Precipitation (inches)

(458931)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198712
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
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.71 0.76 0.17 0.14 0.39 1.25 n 0.00 z 3.17
1917 0.00 z 0.00 z 0.31 n 4.13 2.95 0.66 0.00 0.00 1.49 0.00 0.00 z 0.00 z 9.23
1918 0.00 z 0.00 z 0.00 z 0.43 0.70 0.09 0.94 0.94 0.32 1.57 0.00 z 0.00 z 4.99
1919 0.00 z 0.00 z 2.07 1.67 0.69 0.05 0.05 0.05 1.43 1.74 0.00 z 0.00 z 7.75
1920 0.00 z 0.00 z 2.44 3.04 0.63 1.12 0.17 2.03 2.13 1.96 0.00 z 0.00 z 13.52
1921 0.00 z 0.00 z 2.79 0.74 0.21 0.70 0.42 0.41 0.89 1.38 0.00 z 0.00 z 7.54
1922 0.00 z 0.00 z 1.15 1.67 0.47 0.58 0.04 1.18 0.44 0.99 0.00 z 0.00 z 6.52
1923 0.00 z 0.00 z 0.49 1.18 1.42 2.86 0.14 0.59 0.24 3.12 0.00 z 0.00 z 10.04
1924 0.00 z 0.00 z 0.76 0.15 0.00 0.67 0.88 1.55 0.82 1.04 0.00 z 0.00 z 5.87
1925 0.00 z 0.00 z 1.00 1.00 3.16 0.70 0.00 0.52 0.27 0.19 0.00 z 0.00 z 6.84
1926 0.00 z 0.00 z 0.80 0.59 1.04 1.23 0.00 1.51 0.65 2.73 0.00 z 0.00 z 8.55
1927 0.00 z 0.00 z 1.99 0.34 1.13 2.18 0.00 0.08 5.47 0.99 0.00 z 0.00 z 12.18
1928 0.00 z 0.00 z 2.88 1.18 0.34 0.63 0.62 y 0.13 0.90 1.10 0.00 z 0.00 z 7.16
1929 0.00 z 0.00 z 0.65 0.74 0.61 1.84 0.00 0.06 0.46 1.28 0.00 z 0.00 z 5.64
1930 0.00 z 0.00 z 1.38 0.58 2.91 0.65 0.08 0.06 1.20 1.15 0.00 z 0.00 z 8.01
1931 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1932 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1933 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1935 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1936 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1937 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1945 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.59 0.00 z 0.39 0.53 0.66 1.91 2.72 7.80
1949 0.34 2.21 1.03 0.50 1.49 0.24 0.00 0.06 0.96 0.84 2.05 1.47 11.19
1950 2.73 1.83 2.38 0.86 0.49 2.66 0.18 0.47 0.10 4.20 2.05 2.96 20.91
1951 1.79 1.65 1.50 0.88 0.56 2.48 0.13 0.07 0.74 2.77 0.89 1.26 14.72
1952 1.22 1.75 1.25 1.10 0.70 2.33 0.00 0.02 0.49 0.09 0.41 1.96 11.32
1953 4.52 1.52 1.41 1.77 1.91 0.75 0.00 0.57 0.17 1.32 1.97 1.94 17.85
1954 2.21 0.60 1.30 1.13 0.81 1.34 0.13 0.96 0.61 0.88 1.38 1.65 13.00
1955 1.43 0.43 0.59 2.08 1.20 0.30 0.97 0.00 1.32 3.03 3.16 2.49 17.00
1956 3.29 1.63 0.97 0.11 2.03 0.74 0.08 1.52 0.19 2.08 0.53 1.82 14.99
1957 1.76 1.10 2.94 0.56 4.19 1.05 0.00 0.15 0.97 1.97 1.80 1.87 18.36
1958 2.06 1.60 1.49 3.17 2.36 0.80 0.08 0.01 0.49 0.44 1.39 3.35 17.24
1959 4.00 2.25 1.50 0.86 1.53 1.19 0.05 0.99 2.41 0.93 0.73 0.88 17.32
1960 1.15 1.28 1.69 1.31 2.27 0.93 0.00 0.92 0.79 1.51 2.29 0.88 15.02
1961 0.98 3.01 2.00 1.36 1.56 0.87 0.01 0.39 0.14 1.32 1.79 2.42 15.85
1962 0.63 0.92 2.36 1.20 3.78 0.45 0.00 0.41 1.44 2.99 1.76 2.40 18.34
1963 0.93 1.60 0.78 1.86 0.67 0.20 0.49 0.66 0.92 0.60 2.89 2.00 13.60
1964 0.97 0.17 0.60 0.90 0.23 1.22 1.47 0.30 0.94 0.66 3.51 4.31 15.28
1965 3.29 0.55 0.34 1.68 0.74 0.87 0.59 2.52 0.42 0.73 1.94 0.29 13.96
1966 2.22 0.83 1.85 0.19 0.45 1.09 1.78 0.29 0.15 0.87 2.72 2.60 15.04
1967 2.11 0.36 1.99 1.66 1.46 0.31 0.00 0.00 0.70 0.88 1.25 1.24 11.96
1968 0.79 2.42 0.88 0.43 0.69 0.91 0.48 0.98 1.45 1.62 2.64 3.77 17.06
1969 4.17 1.21 0.73 2.88 1.10 0.76 0.01 0.00 0.45 1.43 0.61 2.12 15.47
1970 5.86 2.56 1.54 1.84 0.48 1.27 0.15 0.01 1.92 1.56 2.74 0.67 20.60
1971 1.59 0.85 1.23 1.35 3.39 2.81 0.65 0.36 1.80 1.25 2.70 3.24 21.22
1972 1.20 1.61 2.63 1.14 1.89 1.12 0.57 0.34 0.66 0.60 0.83 2.66 15.25
1973 0.99 1.71 0.90 0.40 1.11 0.38 0.12 0.15 1.60 1.86 4.13 4.24 17.59
1974 1.68 1.62 1.64 2.25 0.40 0.32 0.91 0.00 0.01 0.39 1.85 2.01 13.08
1975 3.82 1.55 0.88 1.24 0.58 0.46 0.04 1.18 0.00 1.68 1.57 2.65 15.65
1976 1.35 1.70 1.57 1.39 1.17 0.61 0.30 1.52 0.11 1.61 0.31 0.75 12.39
1977 0.55 0.64 0.98 0.20 1.31 0.35 0.34 2.94 1.18 0.49 2.03 3.83 14.84
1978 2.42 1.42 1.07 3.26 0.68 0.61 0.81 2.29 0.99 0.03 2.38 2.29 18.25
1979 1.48 1.86 1.63 1.77 0.89 0.37 0.08 1.20 0.31 2.67 2.16 1.33 15.75
1980 3.11 1.62 1.92 0.61 1.95 0.89 0.31 0.42 1.39 3.67 1.74 2.89 20.52
1981 0.90 3.19 2.89 1.37 2.07 2.47 0.69 0.03 0.84 2.42 2.47 3.16 22.50
1982 2.35 2.87 2.69 1.70 0.58 0.32 0.82 0.59 2.10 3.06 1.59 2.90 21.57
1983 2.17 2.62 4.17 1.20 1.52 1.74 1.73 0.70 0.93 1.73 3.42 3.50 25.43
1984 0.83 2.62 3.68 1.48 1.37 3.01 0.00 0.23 1.26 1.71 3.75 2.21 22.15
1985 0.56 1.53 1.74 0.47 0.95 0.90 0.67 1.06 1.40 1.40 2.50 0.84 14.02
1986 2.46 3.65 2.57 1.25 2.25 0.35 0.55 0.14 1.86 0.90 4.24 0.62 20.84
1987 2.65 1.05 1.06 1.53 1.23 0.57 0.94 0.17 0.04 0.00 0.93 1.40 11.57
Period of Record Statistics
MEAN 2.01 1.63 1.62 1.29 1.33 1.04 0.37 0.62 0.94 1.43 2.03 2.19 16.63
S.D. 1.26 0.82 0.85 0.85 0.95 0.77 0.45 0.70 0.87 0.96 0.99 1.03 3.48
SKEW 1.04 0.40 0.85 1.17 1.17 1.11 1.41 1.47 2.69 0.79 0.31 0.15 0.47
MAX 5.86 3.65 4.17 4.13 4.19 3.01 1.78 2.94 5.47 4.20 4.24 4.31 25.43
MIN 0.34 0.17 0.34 0.11 0.00 0.05 0.00 0.00 0.00 0.00 0.31 0.29 11.19
NO YRS 39 39 51 53 53 55 53 55 55 55 40 40 39