KENNEWICK 10 SW, WASHINGTON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(454159)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197408
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
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z 60.13 71.35 75.93 88.90 90.19 79.90 59.06 46.43 42.16 68.23
1951 36.58 43.46 46.81 65.57 73.16 79.53 89.35 85.39 77.76 a 58.74 44.57 33.23 61.18
1952 31.06 43.03 51.42 66.57 71.90 76.70 89.45 86.39 80.17 68.26 38.80 36.90 61.72
1953 46.94 46.43 54.10 59.07 66.77 71.57 88.03 84.87 79.90 64.26 49.20 43.19 62.86
1954 35.35 41.21 49.61 60.60 72.00 74.23 85.90 80.94 74.34 a 58.06 56.20 37.87 60.53
1955 35.29 42.25 47.94 55.57 66.87 80.38 a 82.26 88.03 77.97 61.45 38.80 35.58 59.37
1956 37.19 32.07 50.42 66.27 72.29 76.13 86.10 84.97 78.27 60.32 40.60 40.00 d 60.39
1957 23.06 38.83 e 49.16 61.60 72.19 81.57 85.29 83.88 g 80.23 56.16 48.00 46.61 c 58.43
1958 46.29 j 50.00 51.26 59.41 a 77.97 84.20 93.61 93.03 76.23 65.71 46.83 39.81 67.10
1959 38.77 42.32 54.39 63.37 68.06 79.10 91.00 83.29 70.97 62.90 45.20 37.71 61.42
1960 30.06 43.59 52.58 62.33 68.35 82.57 95.13 84.03 77.57 64.32 48.53 32.55 61.80
1961 39.26 50.07 53.45 61.37 70.19 88.10 93.10 93.55 73.27 60.68 43.37 39.19 63.80
1962 36.90 42.86 49.90 65.70 64.52 80.27 88.97 83.84 78.73 60.29 50.17 41.65 61.98
1963 33.65 46.29 55.29 57.60 71.65 80.27 84.42 e 87.55 81.63 65.77 48.87 34.52 62.29
1964 42.97 48.83 52.19 59.70 70.13 78.20 87.84 82.58 75.03 61.52 42.53 34.87 61.37
1965 37.16 48.14 52.97 65.17 71.13 80.67 89.35 85.42 74.03 67.94 48.07 39.45 63.29
1966 39.45 46.11 53.94 64.70 75.97 77.57 85.71 86.97 79.93 63.55 49.13 44.26 63.94
1967 45.77 51.39 52.39 56.87 73.58 84.80 91.97 95.35 84.77 64.42 46.97 40.68 65.75
1968 41.42 48.17 57.39 62.30 72.94 81.73 92.32 82.48 76.87 59.23 46.43 34.68 63.00
1969 26.52 36.75 53.39 60.83 76.19 84.73 87.74 85.13 76.77 58.87 48.33 36.68 60.99
1970 36.03 44.57 53.00 58.23 73.48 84.10 90.61 88.94 72.50 61.39 45.33 38.71 62.24
1971 43.61 45.96 48.35 60.63 75.06 75.63 90.42 93.10 71.93 60.35 47.83 38.35 62.60
1972 36.81 41.76 55.26 58.60 74.10 81.37 88.42 89.87 72.63 61.94 47.03 33.68 61.79
1973 37.10 44.43 55.47 a 64.13 75.03 80.77 91.68 86.81 75.87 61.00 42.90 42.32 63.12
1974 34.00 48.14 53.74 60.30 66.61 84.87 87.55 88.00 ----- z ----- z ----- z ----- z 65.40
Period of Record Statistics
MEAN 36.74 44.44 52.27 61.46 71.66 80.20 89.01 87.11 76.97 61.92 46.26 38.53 62.16
S.D. 5.65 4.48 2.66 3.08 3.36 3.87 3.08 3.83 3.43 3.09 3.84 3.70 1.41
SKEW -0.42 -0.82 -0.30 0.07 -0.30 -0.18 -0.09 0.57 0.13 0.39 0.01 0.25 0.43
MAX 46.94 51.39 57.39 66.57 77.97 88.10 95.13 95.35 84.77 68.26 56.20 46.61 65.75
MIN 23.06 32.07 46.81 55.57 64.52 71.57 82.26 80.94 70.97 56.16 38.80 32.55 59.37
NO YRS 23 24 24 25 25 25 25 24 24 24 24 24 21