JOHN DAY DAM, WASHINGTON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(454035)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197208
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
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.82 i 9999.00
1959 44.43 c 46.61 56.55 65.10 69.48 78.97 90.61 86.29 74.47 66.04 e 51.64 b 44.23 64.53
1960 33.58 48.38 54.61 64.60 68.68 82.53 94.52 84.61 81.18 b 68.77 53.69 d 37.84 64.42
1961 42.31 b 52.64 55.90 61.17 69.23 88.79 b 92.10 95.42 76.03 64.39 47.13 43.84 65.75
1962 42.84 46.38 b 51.90 66.63 64.97 79.87 87.87 84.19 81.66 a 65.06 53.40 44.97 64.15
1963 38.65 47.89 56.84 58.67 72.65 77.80 83.26 88.23 84.00 68.39 53.33 38.43 a 64.01
1964 47.42 52.66 54.00 60.73 68.42 74.93 84.65 81.71 76.13 66.29 46.90 38.65 62.71
1965 42.23 51.14 56.55 65.70 70.00 a 77.43 87.43 a 86.19 75.90 70.03 53.30 43.68 64.97
1966 43.16 48.96 56.16 65.67 74.29 76.17 84.06 85.19 81.03 67.10 53.83 46.45 65.17
1967 50.45 54.07 55.90 59.33 72.81 82.07 89.16 94.39 86.43 65.90 52.77 45.03 67.36
1968 44.32 51.17 58.94 60.93 ----- z 78.45 a 89.77 81.74 78.00 62.87 51.40 41.81 63.58
1969 30.23 41.68 56.03 61.14 a 75.19 82.17 a 84.31 e 84.53 a 78.77 62.94 54.30 ----- z 64.66
1970 38.94 49.36 56.00 ----- z 71.87 83.10 89.90 89.63 d 73.50 64.58 ----- z ----- z 68.54
1971 48.87 50.04 51.35 61.37 69.60 a 74.33 89.87 91.68 74.17 63.58 52.73 44.94 64.38
1972 42.16 46.21 56.55 59.23 74.23 78.13 88.23 90.10 ----- z ----- z ----- z ----- z 66.85
Period of Record Statistics
MEAN 42.11 49.09 55.52 62.33 70.88 79.62 88.27 87.42 78.56 65.84 52.04 42.71 64.74
S.D. 5.49 3.26 1.99 2.80 2.92 3.83 3.28 4.32 4.04 2.26 2.49 3.05 1.22
SKEW -0.63 -0.54 -0.78 0.28 -0.24 0.78 0.04 0.48 0.50 0.36 -1.38 -0.62 0.60
MAX 50.45 54.07 58.94 66.63 75.19 88.79 94.52 95.42 86.43 70.03 54.30 46.45 67.36
MIN 30.23 41.68 51.35 58.67 64.97 74.33 83.26 81.71 73.50 62.87 46.90 37.84 62.71
NO YRS 14 14 14 13 13 14 14 14 13 13 12 11 10