MC NARY DAM, OREGON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(355389)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195410
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
1948 ----- z ----- z ----- z ----- z ----- z ----- z 89.42 88.67 a 79.24 a 65.57 a 51.53 38.29 68.79
1949 26.52 43.71 56.94 71.47 80.42 84.41 a 89.65 88.84 82.00 62.97 a 55.23 46.20 a 65.70
1950 25.48 38.36 53.97 63.13 73.10 79.07 91.70 a 91.26 83.57 62.77 50.23 43.39 63.00
1951 42.19 46.07 52.39 69.23 75.03 82.60 92.23 89.45 81.77 63.71 48.63 39.35 65.22
1952 34.45 48.86 55.87 69.76 a 75.84 79.10 92.61 89.32 84.03 74.39 43.07 41.35 65.72
1953 51.45 51.68 58.65 63.37 70.57 a 74.47 90.55 87.61 83.93 67.90 53.70 48.55 66.87
1954 39.29 46.32 54.06 63.83 74.48 76.37 88.26 83.39 79.27 69.25 z ----- z ----- z 67.25
Period of Record Statistics
MEAN 36.56 45.83 55.31 66.80 74.91 79.34 90.63 88.36 81.97 66.22 50.40 42.86 65.30
S.D. 9.89 4.56 2.28 3.75 3.27 3.72 1.62 2.45 2.06 4.44 4.30 3.98 1.42
SKEW 0.25 -0.46 0.23 0.11 0.50 0.10 -0.07 -1.20 -0.41 1.14 -0.69 0.28 -0.82
MAX 51.45 51.68 58.65 71.47 80.42 84.41 92.61 91.26 84.03 74.39 55.23 48.55 66.87
MIN 25.48 38.36 52.39 63.13 70.57 74.47 88.26 83.39 79.24 62.77 43.07 38.29 63.00
NO YRS 6 6 6 6 6 6 7 7 7 6 6 6 5