MARIETTA 3 NNW, WASHINGTON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(455028)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195807
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
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.16 34.16
1914 36.00 32.57 36.61 40.27 43.94 48.83 52.19 49.58 47.93 43.16 39.03 30.00 41.68
1915 32.16 36.00 37.94 39.67 46.45 49.47 53.35 52.26 46.03 43.94 35.10 34.65 42.25
1916 19.81 29.97 36.84 41.00 42.71 46.97 51.42 49.67 a 44.67 36.29 ----- z 29.93 b 39.02
1917 30.61 31.43 33.06 39.93 44.10 47.07 49.87 50.03 46.53 41.45 40.33 34.35 40.73
1918 35.90 33.07 35.68 38.20 43.68 55.03 a 51.55 51.06 45.03 45.16 37.50 33.65 42.13
1919 34.00 32.43 35.00 39.27 43.71 44.60 49.23 50.48 45.73 38.84 35.66 a 30.97 39.99
1920 30.77 31.03 35.23 35.13 39.48 44.10 52.29 51.00 48.27 42.84 38.63 37.52 40.52
1921 33.94 34.68 35.32 36.77 42.52 50.23 51.42 51.00 46.57 42.45 37.00 30.47 a 41.03
1922 28.81 28.14 34.52 37.13 42.52 48.83 49.26 51.45 46.63 43.23 32.80 27.10 a 39.20
1923 33.13 26.54 33.42 39.00 45.58 49.87 52.94 52.19 45.37 39.19 36.07 35.32 40.72
1924 31.87 39.14 33.48 37.67 43.81 48.40 50.94 51.68 44.60 43.32 34.97 ----- z 41.81
1925 34.32 38.54 37.35 40.87 43.81 48.80 50.90 50.87 45.87 36.39 36.97 39.27 a 42.00
1926 33.00 38.18 36.00 40.43 45.35 50.62 a 52.81 52.19 41.33 43.52 38.97 32.77 42.10
1927 32.26 33.04 34.87 37.43 43.61 50.27 51.42 50.74 48.50 42.61 36.73 26.71 40.68
1928 33.19 33.21 37.19 39.57 43.90 49.30 52.87 49.90 43.50 42.03 38.23 30.90 41.15
1929 24.81 25.39 36.48 38.90 42.39 49.50 48.13 47.94 41.63 40.06 32.37 31.71 38.28
1930 18.90 33.96 34.58 41.40 41.74 45.63 48.03 49.00 44.00 36.00 31.80 30.68 37.98
1931 35.74 32.50 36.26 37.83 42.48 47.97 48.35 44.74 44.67 37.84 29.93 31.23 39.13
1932 ----- z ----- z ----- z 37.67 45.13 49.33 50.23 51.81 43.77 42.19 39.93 30.35 43.38
1933 33.48 28.75 35.29 35.90 43.32 46.43 48.97 49.74 46.03 39.71 38.47 32.90 a 39.92
1934 36.13 33.71 36.32 41.24 a 43.97 46.47 48.74 49.61 45.40 40.48 40.90 a 33.74 41.39
1935 29.52 34.29 34.58 34.80 40.65 46.50 48.94 48.87 43.80 36.35 31.10 33.35 38.56
1936 33.65 20.52 32.62 b 38.50 44.16 50.03 50.20 a 48.10 41.10 39.10 30.57 35.29 38.65
1937 18.42 30.00 38.16 40.03 42.03 49.40 52.32 51.16 47.90 42.39 38.00 33.87 40.31
1938 32.35 31.86 34.77 a 39.40 42.19 49.13 50.84 48.16 49.23 40.16 32.40 31.52 40.17
1939 36.48 28.61 34.81 39.07 a 43.48 48.37 49.94 48.55 44.10 40.52 40.17 a 37.90 41.00
1940 33.65 35.97 38.71 41.27 45.03 49.17 52.32 51.55 50.13 44.03 31.83 34.87 42.38
1941 34.10 32.93 37.26 40.40 44.23 49.20 54.16 51.84 48.67 44.32 37.20 34.48 42.40
1942 29.87 33.46 35.45 41.43 45.68 49.07 54.42 53.87 44.03 42.84 35.23 35.68 41.75
1943 23.77 32.82 32.23 40.60 43.13 a 48.20 52.13 51.84 44.73 42.42 35.27 30.61 39.81
1944 33.23 33.52 34.65 40.57 43.26 48.43 52.13 51.94 46.80 43.65 38.33 30.19 41.39
1945 33.61 35.68 35.94 39.00 a 45.19 47.77 50.58 51.45 45.50 42.13 36.10 a 32.81 41.31
1946 35.77 37.07 36.77 39.70 43.74 ----- z 51.90 48.23 46.33 38.55 32.07 32.68 40.26
1947 28.68 33.57 35.65 40.40 45.35 50.73 51.71 49.29 45.60 41.94 35.20 34.55 41.06
1948 ----- z ----- z ----- z ----- z ----- z 51.43 50.00 51.00 f 43.67 36.48 33.00 27.39 40.33
1949 20.87 25.29 33.65 38.70 44.86 j 47.83 50.52 50.42 46.33 37.58 41.03 30.90 38.47
1950 13.55 32.54 35.19 36.67 40.94 49.07 51.19 49.03 44.93 41.55 34.67 37.29 38.88
1951 30.35 31.61 30.00 34.67 43.65 48.30 50.10 49.42 45.00 40.71 34.13 27.71 38.80
1952 26.74 31.17 33.13 35.50 41.81 45.45 h 47.71 47.97 45.03 38.97 30.23 34.52 37.53
1953 36.26 34.11 a 35.81 39.27 44.06 47.31 a 50.90 50.94 45.07 43.58 41.00 37.06 42.11
1954 26.48 35.39 30.81 37.47 42.77 46.53 50.06 51.68 48.80 40.23 41.73 35.29 40.60
1955 33.58 31.54 31.65 36.10 42.23 48.43 50.19 48.23 45.53 42.06 30.30 30.61 39.20
1956 32.55 30.07 33.87 37.93 43.10 49.68 b 51.00 52.06 46.83 41.55 34.17 33.26 40.51
1957 23.52 28.89 36.03 40.82 b 47.23 e 50.80 50.74 49.48 46.00 b 38.38 j 33.60 38.07 d 40.47
1958 37.23 40.54 35.19 38.53 46.94 53.13 53.12 n ----- z ----- z ----- z ----- z ----- z 41.93
Period of Record Statistics
MEAN 30.54 32.41 35.08 38.77 43.61 48.75 50.88 50.26 45.62 40.97 35.78 32.92 40.55
S.D. 5.65 3.87 1.89 1.89 1.61 2.01 1.60 1.69 1.98 2.49 3.38 3.03 1.28
SKEW -1.26 -0.55 -0.57 -0.55 0.03 0.35 0.02 -0.67 -0.02 -0.53 -0.04 -0.04 -0.34
MAX 37.23 40.54 38.71 41.43 47.23 55.03 54.42 53.87 50.13 45.16 41.73 39.27 42.40
MIN 13.55 20.52 30.00 34.67 39.48 44.10 47.71 44.74 41.10 36.00 29.93 26.71 37.98
NO YRS 43 43 43 44 43 43 44 43 44 43 43 44 36