JOHN DAY DAM, WA

Average of Average Temperature (Degrees Fahrenheit)

(454035)

File last updated on March 28, 2024
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1958-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z39.61i-----z
195938.58e40.25 46.94 54.05 58.34 67.33 76.06 73.00 63.90 55.25e41.04b36.73a54.29
196027.21 40.38 44.40 53.73 57.68 69.10 79.26 71.82 67.11b57.40a45.04d33.03 53.85
196136.48b45.29 47.55 52.14a58.90 73.67c77.63a80.52 63.98a53.81 38.85 37.29 55.51
196235.38b39.29b43.75a55.65 55.37 67.03 74.32 71.62a67.43b55.16 46.62 39.97 54.30
196330.97 41.67b46.74 50.03 60.61 67.02 70.85 74.68 70.93 58.10 46.66a34.82a54.42
196440.65 43.93 46.06 52.00 58.32 65.60 73.24 70.79 65.05 56.00 42.48 34.50a54.05
196537.69 44.21 46.19 56.13 60.25c67.33 75.63a75.26 65.09b59.85 48.12a38.02b56.15
196638.27 42.30 46.94 55.88 62.35a65.93 73.08 74.05a69.47a56.90 47.65 41.89 56.23
196744.47 45.82 46.77a50.40a62.45 70.97 77.24 81.26 73.67 57.15 45.98 39.74b57.99
196838.47 43.50 50.39 52.42 -----z68.10a77.00a72.07a68.31d54.31 46.23 36.95 55.25a
196925.81 36.75 46.50a53.00a64.08 72.29b73.72f72.60b68.57 54.43a47.62 -----z54.16b
197035.37 43.80 47.22a-----z61.40 70.75 76.75a75.56d63.20 54.65 -----z-----z58.74c
197142.14b43.06a43.89 52.05 60.60b64.47 76.50 78.61 63.33 54.53 45.86a39.89 55.41
197236.56 39.19 47.75a50.00 62.60 67.07 75.69 77.03 -----z-----z-----z-----z56.99d
Period of Record Statistics
MEAN36.29 42.10 46.51 52.88 60.23 68.33 75.64 74.92 66.93 55.96 45.18 37.53 55.22
S.D.5.25 2.62 1.71 2.12 2.43 2.67 2.25 3.35 3.22 1.80 2.89 2.71 1.30
SKEW-0.66 -0.46 0.22 0.18 -0.33 0.61 -0.60 0.66 0.60 0.74 -1.11 -0.10 0.89
MAX44.47 45.82 50.39 56.13 64.08 73.67 79.26 81.26 73.67 59.85 48.12 41.89 57.99
MIN25.81 36.75 43.75 50.00 55.37 64.47 70.85 70.79 63.20 53.81 38.85 33.03 53.85
YRS14 14 14 13 13 14 13 14 13 13 12 11 10