LEWISTON WTP, e:

Monthly Total Precipitation (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 0.00 z 0.47 1.22 0.88 2.86 1.35 0.03 z 0.04 z 1.03 2.54 0.74 0.66 11.75
1895 2.51 0.51 0.58 1.07 2.07 0.06 0.93 0.20 1.39 0.04 1.44 1.22 12.02
1896 1.38 1.10 0.78 1.19 1.70 1.34 0.16 1.47 0.00 z 0.00 z 2.19 1.97 13.28
1897 0.48 2.40 t 0.97 1.38 2.94 1.82 0.83 0.52 0.00 z 0.00 z 4.20 1.37 14.51
1898 0.93 1.19 1.03 0.65 2.06 0.45 z 0.41 0.31 0.35 0.00 z 1.28 0.45 8.66
1899 0.99 1.45 0.30 0.17 1.34 0.81 0.00 z 0.06 0.71 2.27 2.78 t 1.43 9.53
1900 1.84 0.92 0.38 1.96 v 2.06 y 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.14
1901 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
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 0.85 0.32 2.05 0.80 1.03 3.02 0.19 0.00 0.28 1.42 1.31 1.57 12.84
1935 0.55 0.18 0.84 1.73 0.41 0.67 0.38 0.15 0.24 1.32 0.63 1.30 8.40
1936 1.45 1.64 0.64 0.37 0.68 1.53 0.33 0.00 0.71 0.09 0.15 1.45 9.04
1937 0.99 0.89 1.38 1.91 0.53 2.82 0.25 0.14 0.33 1.23 2.31 2.53 15.31
1938 0.90 1.82 1.57 1.54 0.60 1.20 0.63 0.11 0.71 1.70 1.27 0.62 12.67
1939 0.30 1.62 1.60 0.77 0.79 0.72 0.42 0.00 0.15 1.01 0.33 1.64 9.35
1940 2.04 2.47 1.78 1.84 1.38 0.25 0.96 0.00 4.42 a 3.24 1.47 1.53 21.38
1941 0.73 1.36 0.67 1.77 3.55 3.95 0.38 0.97 1.28 1.21 1.62 1.47 18.96
1942 1.19 0.37 0.94 1.19 3.40 2.14 0.75 0.03 0.38 0.73 2.08 1.87 15.07
1943 1.57 0.37 1.02 0.79 1.60 1.57 0.59 0.46 0.50 1.23 0.07 1.02 10.79
1944 0.27 1.54 0.48 1.88 0.50 1.57 0.01 0.30 0.49 0.32 1.19 1.05 9.60
1945 1.13 0.92 1.40 1.56 1.35 1.59 c 0.01 0.36 1.91 0.62 1.89 1.50 14.24
1946 1.41 0.57 0.69 0.98 1.64 2.30 0.47 0.04 2.21 0.85 1.63 1.25 14.04
1947 0.94 0.44 0.72 1.42 0.41 2.16 0.13 0.08 2.62 2.28 0.00 z 1.88 13.08
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.87 0.10 0.40 0.41 1.19 1.83 5.80
1949 0.36 1.40 0.77 1.19 1.33 0.36 0.24 0.18 1.25 0.53 1.71 0.66 9.98
1950 1.94 1.12 1.69 0.57 1.22 3.41 0.20 0.22 0.46 2.87 1.88 2.19 17.77
1951 0.94 0.62 0.78 0.33 0.83 2.01 0.23 0.39 0.16 S 2.68 0.65 0.87 10.49
1952 0.39 i 0.93 0.40 1.34 1.54 2.38 0.17 0.07 0.67 0.05 0.46 1.00 9.01
1953 3.57 0.97 1.12 0.86 1.62 1.07 0.00 0.92 0.02 0.34 1.66 1.22 13.37
1954 0.91 0.35 1.15 0.85 0.86 1.95 0.78 1.20 0.68 0.46 0.95 0.26 10.40
1955 0.67 0.69 0.89 1.09 0.71 0.78 1.44 0.00 1.68 2.07 2.61 2.03 14.66
Period of Record Statistics
MEAN 1.19 0.97 0.99 1.12 1.44 1.65 0.49 0.31 0.96 1.26 1.42 1.35 13.02
S.D. 0.74 0.56 0.45 0.49 0.89 0.97 0.45 0.39 0.97 0.96 0.88 0.55 3.51
SKEW 1.44 0.69 0.57 -0.03 0.98 0.48 1.46 1.67 2.00 0.52 1.02 -0.02 0.76
MAX 3.57 2.47 2.05 1.91 3.55 3.95 1.87 1.47 4.42 3.24 4.20 2.53 21.38
MIN 0.27 0.18 0.30 0.17 0.41 0.06 0.00 0.00 0.02 0.04 0.07 0.26 8.40
NO YRS 26 27 28 27 27 26 26 27 26 25 26 28 20