JOHN DAY DAM, WASHINGTON

Monthly Average Minimum 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 33.41 i 9999.00
1959 31.39 c 33.89 37.32 43.00 47.19 55.70 61.52 59.71 53.33 44.59 b 29.77 29.48 43.91
1960 20.84 32.38 34.19 42.87 46.68 55.67 64.00 59.03 52.86 a 46.32 36.38 d 28.23 43.29
1961 30.66 b 37.93 39.19 42.27 48.58 58.30 c 62.58 65.61 51.70 43.23 30.57 30.74 45.11
1962 27.10 a 32.19 b 34.68 44.67 45.77 54.20 60.77 59.58 53.25 b 45.26 39.83 34.97 44.36
1963 23.29 34.54 36.65 41.40 48.58 56.23 58.45 61.13 57.87 47.81 40.23 31.20 a 44.78
1964 33.87 35.21 38.13 43.27 48.23 56.27 61.84 59.87 53.97 45.71 38.07 28.39 45.23
1965 33.16 37.29 35.84 46.57 50.50 a 57.23 63.83 a 64.32 54.37 49.68 42.70 32.48 47.33
1966 33.39 35.64 37.71 46.10 50.19 55.70 62.10 63.16 58.27 46.71 41.47 37.32 47.31
1967 38.48 37.57 38.03 41.97 52.10 59.87 65.32 68.13 60.90 48.39 39.20 34.35 48.69
1968 32.61 35.83 41.84 43.90 ----- z 57.76 a 64.16 62.13 58.10 45.74 41.07 32.10 46.84
1969 21.39 31.82 37.52 44.86 a 52.97 61.72 a 61.63 d 61.23 a 58.37 45.81 40.93 ----- z 47.11
1970 31.81 38.25 38.16 ----- z 50.94 58.40 63.23 61.48 d 52.90 44.71 ----- z ----- z 48.87
1971 36.03 35.75 36.42 42.73 51.17 a 54.60 63.13 65.55 52.50 45.48 39.23 34.84 46.45
1972 30.97 32.17 39.81 40.77 50.97 56.00 63.16 63.97 ----- z ----- z ----- z ----- z 47.23
Period of Record Statistics
MEAN 30.36 35.03 37.53 43.41 49.53 56.97 62.55 62.49 55.26 46.11 38.29 32.19 45.65
S.D. 5.32 2.27 2.00 1.74 2.19 2.07 1.70 2.72 2.99 1.72 4.14 2.94 1.73
SKEW -0.61 -0.09 0.30 0.40 -0.20 0.86 -0.72 0.55 0.54 0.55 -1.23 0.18 0.38
MAX 38.48 38.25 41.84 46.57 52.97 61.72 65.32 68.13 60.90 49.68 42.70 37.32 48.69
MIN 20.84 31.82 34.19 40.77 45.77 54.20 58.45 59.03 51.70 43.23 29.77 28.23 43.29
NO YRS 14 14 14 13 13 14 14 14 13 13 12 11 10