ASTOR EXPERIMENT STN, OREGON

Monthly Total Precipitation (inches)

(350318)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197306
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
1937 5.45 11.13 4.71 8.77 2.13 4.74 0.11 3.07 2.44 5.06 21.15 13.04 n 68.76
1938 7.69 6.63 8.87 5.71 2.50 0.55 0.83 0.41 1.63 6.64 11.54 9.24 62.24
1939 11.39 13.92 5.13 1.45 3.69 4.37 0.00 z 0.28 0.00 z 6.52 4.77 14.58 66.10
1940 4.89 13.41 9.91 6.99 2.92 0.27 1.53 0.63 2.58 8.51 8.53 8.18 68.35
1941 8.80 3.22 2.60 2.30 6.56 1.95 0.20 4.64 7.44 3.77 7.54 14.37 63.39
1942 6.38 5.34 4.46 3.85 3.36 4.82 1.48 0.61 0.71 7.60 17.06 13.09 68.76
1943 6.40 7.93 7.50 5.47 4.37 2.35 1.32 2.71 0.63 8.61 4.90 8.75 60.94
1944 8.18 6.91 5.57 6.11 2.46 1.68 0.34 1.10 3.56 4.29 8.95 5.95 55.10
1945 10.22 9.06 10.85 6.68 5.07 0.48 0.91 0.37 5.57 3.94 14.22 14.57 81.94
1946 14.13 15.33 8.49 5.71 1.91 6.29 1.98 0.61 2.27 9.56 12.21 14.36 92.85
1947 11.23 6.73 5.33 4.64 0.72 5.87 2.77 0.83 2.89 12.60 10.78 12.15 76.54
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.12 2.58 5.72 5.56 12.52 17.63 45.13
1949 2.21 15.50 6.76 2.64 3.48 1.35 b 1.35 1.01 1.78 6.12 11.46 15.68 69.34
1950 15.45 18.99 15.85 7.97 2.62 1.82 1.76 2.03 3.01 16.96 13.01 17.92 117.39
1951 17.64 15.56 11.12 a 2.05 1.65 0.35 0.36 0.25 4.03 11.52 12.93 11.20 88.66
1952 12.38 8.96 8.77 3.51 2.53 2.17 0.57 1.50 0.82 1.90 3.33 14.29 60.73
1953 28.41 7.24 8.18 4.87 4.90 3.94 0.41 2.79 3.51 4.53 13.57 16.39 98.74
1954 21.13 12.66 5.24 7.20 1.96 6.27 1.68 2.85 a 2.39 4.83 12.37 12.33 90.91
1955 6.84 8.64 10.34 9.01 1.95 3.34 3.51 0.24 4.17 15.34 16.26 19.25 98.89
1956 19.76 9.76 17.35 1.58 1.59 4.98 0.26 2.37 3.24 13.05 3.71 10.45 88.10
1957 5.05 9.36 12.97 5.01 3.29 2.85 1.65 1.54 1.01 6.06 8.68 14.80 72.27
1958 11.84 13.81 6.04 8.29 1.26 3.94 0.16 0.52 a 1.87 8.40 17.74 15.60 89.47
1959 14.98 8.28 9.00 5.88 4.28 4.73 0.97 1.36 7.40 8.69 13.11 9.72 88.40
1960 10.19 9.37 8.56 6.59 7.76 1.94 0.09 2.64 2.07 9.79 18.21 8.81 86.02
1961 11.53 24.44 12.26 5.10 3.01 1.19 0.59 1.48 2.24 9.91 11.50 14.32 97.57
1962 7.67 6.35 5.82 7.71 3.75 2.61 0.62 2.49 3.95 7.16 17.16 7.95 73.24
1963 4.18 8.40 7.44 6.29 2.20 2.33 2.03 1.53 2.83 10.83 15.49 8.86 72.41
1964 25.75 4.50 9.85 4.31 2.74 3.27 2.22 2.55 3.35 2.40 14.10 15.91 90.95
1965 20.65 9.22 1.08 5.34 2.99 0.89 0.41 1.99 0.57 4.54 16.09 12.74 76.51
1966 11.33 7.63 9.59 3.47 2.41 1.97 1.18 0.97 2.73 6.70 10.90 10.45 69.33
1967 18.50 8.05 9.82 4.93 2.06 1.57 0.38 0.22 2.92 12.43 7.63 9.62 78.13
1968 10.86 10.27 9.87 5.01 3.52 6.86 0.86 5.40 4.90 9.86 13.75 16.09 97.25
1969 18.94 7.02 4.50 4.59 4.33 3.91 0.78 0.47 7.06 5.08 7.30 14.44 78.42
1970 15.85 6.61 6.27 9.69 2.21 1.19 0.56 0.06 4.29 6.92 12.54 22.42 88.61
1971 23.08 8.67 12.73 4.71 2.29 2.92 1.08 0.97 4.73 5.94 11.27 16.22 94.61
1972 14.11 12.10 11.34 8.89 1.10 1.14 1.71 0.23 5.19 2.16 7.79 16.37 82.13
1973 7.46 3.04 7.73 2.77 4.15 4.32 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 29.47
Period of Record Statistics
MEAN 12.52 9.83 8.39 5.42 3.05 2.92 1.08 1.54 3.30 7.60 11.78 13.28 81.16
S.D. 6.41 4.40 3.46 2.17 1.47 1.84 0.80 1.27 1.85 3.61 4.25 3.67 14.07
SKEW 0.63 1.21 0.38 0.06 1.21 0.45 1.01 1.13 0.63 0.65 -0.12 0.10 0.22
MAX 28.41 24.44 17.35 9.69 7.76 6.86 3.51 5.40 7.44 16.96 21.15 22.42 117.39
MIN 2.21 3.04 1.08 1.45 0.72 0.27 0.09 0.06 0.57 1.90 3.33 5.95 55.10
NO YRS 36 36 36 36 36 36 35 36 35 36 36 35 33