CLARKSTON HEIGHTS, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(451474)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195912
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.68 37.69 40.69
1938 36.56 38.30 44.37 51.77 58.31 67.25 74.58 69.45 68.77 52.39 36.83 34.44 52.75
1939 38.06 34.75 44.39 53.48 60.63 63.28 74.31 72.82 63.48 50.65 40.75 40.03 53.05
1940 33.98 41.10 46.74 52.18 61.19 69.05 73.84 71.08 64.52 53.40 35.80 35.05 53.16
1941 35.69 40.75 47.66 52.98 58.65 64.18 74.97 70.31 57.60 49.37 41.73 36.00 52.49
1942 24.52 36.48 43.69 53.15 55.81 60.63 73.39 73.27 63.27 52.23 39.50 a 36.24 51.01
1943 27.00 38.89 40.23 53.17 53.89 60.23 72.32 68.82 65.08 53.05 39.48 a 33.19 50.45
1944 34.05 35.62 40.85 51.33 59.81 64.97 73.32 69.71 65.23 54.13 40.30 31.39 51.73
1945 36.56 40.45 42.39 49.15 58.95 62.92 73.85 72.32 59.08 53.28 b 39.68 32.60 51.77
1946 35.98 38.16 44.84 52.12 58.97 62.42 71.53 70.76 59.98 46.05 39.03 36.11 51.33
1947 29.40 39.57 47.02 51.68 63.48 63.40 71.98 68.89 62.47 52.52 40.10 37.97 52.37
1948 ----- z ----- z ----- z ----- z ----- z ----- z 67.82 67.27 60.67 48.98 39.75 28.63 52.19
1949 15.19 34.25 44.37 54.48 61.90 65.10 70.95 71.44 62.75 45.76 44.48 35.26 50.49
1950 18.26 34.77 41.92 48.88 56.16 63.85 70.06 70.82 61.58 52.13 42.37 40.95 50.15
1951 33.65 37.59 40.10 51.45 58.76 62.63 72.92 69.50 61.58 48.89 39.08 30.87 50.58
1952 29.63 38.12 42.55 a 53.72 59.45 64.20 71.19 70.03 63.55 52.77 34.88 35.82 51.33
1953 44.16 40.80 44.60 50.47 55.23 59.68 70.71 70.39 63.80 51.63 43.47 38.84 52.81
1954 33.03 41.59 41.10 49.97 59.35 60.48 70.87 66.19 60.33 48.71 44.32 33.31 50.77
1955 33.08 34.93 36.93 a 46.13 54.63 66.77 69.60 69.90 60.70 50.87 34.17 31.90 49.13
1956 33.03 29.34 42.13 53.63 60.18 62.88 72.29 68.82 61.27 48.56 37.50 36.42 50.51
1957 19.84 36.11 43.65 50.83 61.27 65.53 70.18 68.18 63.63 50.19 38.03 39.44 50.57
1958 36.87 44.27 41.31 49.17 64.26 68.73 74.03 73.85 60.92 51.11 40.73 38.73 53.66
1959 35.84 36.77 43.65 51.20 54.89 65.35 72.50 67.24 59.58 49.94 35.83 34.87 50.64
Period of Record Statistics
MEAN 31.64 37.74 43.07 51.47 58.85 63.98 72.15 70.05 62.27 50.75 39.63 35.47 51.47
S.D. 7.14 3.30 2.56 2.02 2.88 2.61 1.84 1.97 2.48 2.29 2.93 3.16 1.20
SKEW -0.86 -0.39 -0.25 -0.80 -0.07 0.23 -0.41 0.10 0.51 -0.63 -0.08 -0.23 0.16
MAX 44.16 44.27 47.66 54.48 64.26 69.05 74.97 73.85 68.77 54.13 44.48 40.95 53.66
MIN 15.19 29.34 36.93 46.13 53.89 59.68 67.82 66.19 57.60 45.76 34.17 28.63 49.13
NO YRS 21 21 21 21 21 21 22 22 22 22 23 23 21