KENNEWICK 10 SW, WA

Average of Average Temperature (Degrees Fahrenheit)

(454159)

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
1949-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1950-----z-----z-----z48.42 57.53 64.40 73.29 74.97 66.83 50.76 40.48 37.47 57.13c
195131.18 36.11 38.37 52.90 58.89 66.53 73.92 71.39 65.12a50.34 38.23 27.32 50.86
195225.42 36.90 41.73 53.10 59.16 63.08 74.48 72.06 67.48 58.05 33.18 32.89 51.46
195341.76 39.70 44.55 48.73 55.16 59.85 72.97 71.97 66.82 54.68 43.13 37.69 53.08
195429.34 36.05 40.24 49.03 59.11 60.97 70.52 67.23 62.77b48.65 47.47 31.98 50.28
195529.98 34.61 38.11 45.00a53.98a65.64a68.27 71.97 63.98 51.33a31.62a28.73 48.60
195630.63 24.05a41.31 53.24c59.93c62.27 72.76b70.93b64.62 49.63 34.07 33.39d49.73
195716.29 31.39e40.72a50.33 60.66 67.20 70.15 69.33g66.97 48.27 40.23 39.84c48.37a
195840.55j43.52 42.11 49.12a64.87 70.28 77.89 77.37 63.25 53.50 38.64a33.61 55.83a
195931.24 34.38 43.26 50.05 54.63 65.55 75.29 69.52 60.02 52.21 36.00 31.89 50.34
196023.29 35.50 42.65 50.42 54.98 66.63 78.31 68.89 64.10 53.24 39.90 27.44 50.45
196133.02 41.84 43.78a48.87 57.92 72.47 77.40 78.60 60.93 50.66 34.93 33.29 52.81
196230.05 36.11 40.87 53.17 53.85 65.45 73.26 69.89 65.20 51.74 43.35 36.55 51.62
196326.18 38.98 44.58 48.03a58.48 66.05 69.02e73.08 68.67 55.27 42.32 29.79 51.70
196436.15 39.07 42.29 48.13 56.63 64.45 72.71 67.65 61.58 51.31 37.57 28.58 50.51
196532.11 40.29 42.05 53.22 58.13 66.43 74.50 71.90 60.97 56.71 42.67 33.39 52.70
196633.68 38.50 44.10 52.13 61.31 63.80 71.06 72.47 67.32 53.19 42.25 38.27 53.17
196739.27 42.50 42.60 45.75 59.55 70.12 75.98 79.97 70.43 54.15 40.00 33.77 54.51
196834.52 40.91 47.69 50.35 59.79 67.32 76.76 69.58 64.90 50.02 40.30 28.92 52.59
196920.50 31.84 44.44 50.55 63.26 70.95 72.77 70.48 64.12 49.18 41.37 32.82 51.02
197030.68 38.79 43.69 47.45 59.39 70.22 75.47 73.60 59.32 50.40a38.67a32.55 51.68
197137.26 38.14 39.87 49.22 61.23 62.28 75.50 77.92 59.33 50.60 40.95 32.15 52.04
197230.16 34.59 45.87 46.58 60.50 67.27 73.26 74.68 60.37 51.74 40.58 26.95a51.05
197330.21 37.41 45.90a51.90 61.24 66.82 76.44 71.44 62.22a51.19 38.27 37.87 52.58
197427.84 41.07 45.29 49.73 54.82 69.88b72.61 74.02 -----z-----z-----z-----z54.41d
Period of Record Statistics
MEAN30.47 37.18 42.75 49.82 58.60 66.24 73.78 72.56 64.05 51.95 39.42 32.80 51.56
S.D.5.74 4.22 2.39 2.36 2.89 3.22 2.67 3.36 3.07 2.48 3.61 3.74 1.37
SKEW-0.42 -1.17 -0.08 -0.12 0.01 -0.00 -0.24 0.59 0.14 0.78 -0.27 0.14 -0.00
MAX41.76 43.52 47.69 53.24 64.87 72.47 78.31 79.97 70.43 58.05 47.47 39.84 54.51
MIN16.29 24.05 38.11 45.00 53.85 59.85 68.27 67.23 59.32 48.27 31.62 26.95 48.60
YRS23 24 24 25 25 25 25 24 24 24 24 24 21