LEWISTON WATER PLANT, IDAHO

Monthly Precipitation - Daily Extreme (inches)

(105236)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195512
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
1894 9999.00 z 0.15 0.36 0.20 0.76 0.54 0.03 z 0.04 z 0.45 0.50 0.18 0.36 0.76
1895 0.80 0.29 0.18 0.74 1.28 0.04 0.81 0.20 0.97 0.04 0.80 0.48 1.28
1896 0.28 0.73 0.28 0.26 0.35 0.50 0.13 0.90 9999.00 z 9999.00 z 0.95 0.50 0.95
1897 0.25 0.99 t 0.24 0.39 1.65 0.49 0.55 0.33 9999.00 z 9999.00 z 0.80 0.31 1.65
1898 0.53 0.40 0.32 0.37 0.85 0.30 z 0.33 0.31 0.14 9999.00 z 0.37 0.31 0.85
1899 0.32 0.90 0.23 0.17 0.74 0.27 9999.00 z 0.06 0.52 0.78 0.63 t 0.62 0.90
1900 1.40 0.60 0.22 0.42 v 0.65 y 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.40
1901 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1902 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1903 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1904 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1905 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1906 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1907 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1908 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1909 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1910 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1911 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1912 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1913 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1914 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1915 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1916 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1917 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1918 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1919 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1920 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1921 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1922 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1923 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1924 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1925 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1926 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1927 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1928 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1929 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1930 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1931 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1932 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1933 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1934 0.48 0.13 0.55 0.25 0.37 1.20 0.13 0.00 0.17 0.35 0.24 0.51 1.20
1935 0.33 0.10 0.29 0.93 0.35 0.30 0.21 0.09 0.14 0.61 0.27 0.32 0.93
1936 0.50 0.45 0.31 0.17 0.27 0.46 0.18 0.00 0.33 0.06 0.11 0.68 0.68
1937 0.20 0.29 0.33 0.42 0.25 0.65 0.25 0.09 0.31 0.28 0.37 0.89 0.89
1938 0.25 0.76 0.43 0.62 0.31 0.45 0.30 0.11 0.39 0.56 0.28 0.21 0.76
1939 0.07 0.75 0.95 0.59 0.22 0.23 0.25 0.00 0.04 0.41 0.23 0.46 0.95
1940 0.34 0.65 0.51 0.41 0.68 0.15 0.55 0.00 0.81 a 0.88 0.54 0.31 0.88
1941 0.23 0.39 0.28 0.58 0.55 1.39 0.20 0.32 0.42 0.31 0.45 0.37 1.39
1942 0.47 0.12 0.44 0.44 0.80 0.48 0.49 0.03 0.21 0.19 0.74 0.35 0.80
1943 0.52 0.26 0.25 0.22 0.55 0.46 0.23 0.26 0.50 0.45 0.03 0.62 0.62
1944 0.24 0.30 0.15 0.43 0.25 0.67 0.01 0.19 0.15 0.24 0.60 0.22 0.67
1945 0.24 0.37 0.24 0.46 0.24 0.65 c 0.01 0.18 0.68 0.30 0.24 0.49 0.68
1946 0.28 0.22 0.12 0.47 1.07 0.82 0.46 0.04 0.55 0.15 0.40 0.49 1.07
1947 0.21 0.28 0.21 0.55 0.21 0.45 0.05 0.07 0.84 0.56 9999.00 z 0.39 0.84
1948 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.77 0.06 0.24 0.25 0.24 0.50 0.77
1949 0.10 0.50 0.17 0.50 0.43 0.28 0.24 0.12 0.52 0.20 0.33 0.15 0.52
1950 0.48 0.37 0.29 0.16 0.65 0.73 0.08 0.15 0.13 1.07 0.35 0.51 1.07
1951 0.30 0.14 0.45 0.28 0.43 0.91 0.19 0.30 0.16 0.61 0.16 0.23 0.91
1952 0.15 i 0.24 0.13 0.70 0.58 0.54 0.16 0.07 0.29 0.04 0.26 0.19 0.70
1953 0.57 0.27 0.57 0.26 0.40 0.50 0.00 0.56 0.02 0.16 0.43 0.32 0.57
1954 0.17 0.16 0.72 0.24 0.25 0.54 0.52 0.43 0.42 0.21 0.31 0.05 0.72
1955 0.28 0.23 0.26 0.29 0.22 0.32 0.53 0.00 1.45 1.10 0.38 0.27 1.45
Period of Record Statistics
MEAN 0.38 0.37 0.34 0.41 0.54 0.54 0.29 0.18 0.42 0.41 0.39 0.40 0.90
S.D. 0.27 0.22 0.19 0.20 0.35 0.30 0.23 0.20 0.33 0.30 0.23 0.18 0.27
SKEW 2.35 0.85 1.55 0.75 1.48 1.09 0.73 1.87 1.38 0.88 0.93 0.55 0.58
MAX 1.40 0.90 0.95 0.93 1.65 1.39 0.81 0.90 1.45 1.10 0.95 0.89 1.45
MIN 0.07 0.10 0.12 0.16 0.21 0.04 0.00 0.00 0.02 0.04 0.03 0.05 0.52
NO YRS 26 27 28 27 27 26 26 27 26 25 26 28 20