WALLA WALLA REGIONAL AP, WA

Average of Average Temperature (Degrees Fahrenheit)

(458928)

File last updated on April 18, 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
194917.66 34.91 44.39 56.60 64.31 67.50 73.19d72.98 65.90 49.94 46.90 37.34 52.63
195016.50 34.29 43.00 49.92 57.77 64.90 74.48 74.32 66.20 53.08 42.33 39.97 51.40
195134.21 38.36 41.65 53.28 59.48 65.95 75.23 72.39 65.65 51.81 41.00 30.00 52.42
195230.02 39.55 44.31 55.05 60.42 64.80 75.31 73.53 67.93 58.66 34.90 36.56 53.42
195346.13 41.23 45.73 50.33 56.56 60.95 73.94 72.27 67.48 55.35 45.17 40.60 54.65
195433.26 39.27 40.87 50.32 59.61 61.75 72.26 68.66 62.63 50.87 47.35 34.92 51.81
195533.10 36.09 38.90 46.55 54.61 67.07 70.84 72.89 64.60 53.52 33.68 33.00 50.40
195634.23 27.31 43.81 54.43 61.52 63.38 76.63 72.16 65.58 51.61 37.00 36.60 52.02
195719.34 36.41 43.58 53.03 61.73 67.30 72.03 69.98 67.91b49.29 41.48 40.94 51.92
195838.65 46.29 43.74 50.05 65.27 69.66b77.89 77.85 63.75 55.27 42.28 37.76 55.71
195936.24 37.57 45.58 52.42 55.85 66.65 75.55 70.08 61.63 53.77 38.03 34.23 52.30
196025.89 39.05 44.82 52.30 56.44 66.87 79.37 69.84 65.58 55.02 42.65 30.26 52.34
196137.63 45.71 47.08 50.90 58.34 72.22 77.90 78.44 61.02 51.26 35.72 35.89 54.34
196232.35 38.04 42.71 54.42 54.55 65.75 73.71 70.23 65.12 53.21 45.30 39.37 52.90
196327.40 40.95 46.73 49.65 59.84 66.23 70.42 74.15 70.03 57.71 44.72 32.95 53.40
196440.87 42.17 44.87 49.70 57.55 65.80 73.34 69.47 61.40 50.68 40.65 33.03 52.46
196536.35 42.91 43.92 55.38 58.55 67.23 76.48 74.32 62.58 58.97 46.15 38.24 55.09
196638.21 39.96 46.06 52.53 60.98 64.63 72.03 73.05 67.93 53.74 44.67 40.61 54.54
196742.77 43.27 44.27 46.95 57.95 69.75 77.13 80.10 70.73 55.77 42.17 36.85 55.64
196837.89 42.71 49.06 49.17 58.76 66.53 77.42 69.93a65.15 53.31 43.97 32.74 53.89
196922.97 35.46 46.02 51.95 62.31 70.92 73.76 72.32 66.70 50.66 43.83 35.90 52.73
197033.98 41.54 45.15 47.72 60.10 71.07 77.21 75.97 60.08 50.95 42.20 36.82 53.56
197140.15 40.16 42.65 49.58 59.24 61.17 75.15 78.05 59.02 50.50 43.48 36.39 52.96
197232.52 36.05 48.34 48.27 60.94 67.73 73.82 76.05 62.23 52.71 42.95 28.63 52.52
197332.15 38.86 47.65 52.75 63.02 68.48 77.16 73.94 64.85 54.06 42.00 40.90 54.65
197429.44 43.04 45.76 51.12 56.24 71.17 73.66 76.90 69.65 55.89 45.37 41.63 54.99
197535.98 37.61 44.05 49.10 60.29 66.47 79.23 70.74 67.88 55.05 43.83 38.87 54.09
197638.66 39.38 42.71 49.58 58.21 62.97 74.85 70.32 69.00 54.55 43.40 36.16 53.32
197725.53 43.07 45.13 57.23 56.92 72.42 73.76 79.37 62.88 54.16 42.25 36.47 54.10
197833.18 39.84 46.95 48.82 55.27 67.78 74.82 72.58 64.13 55.15 35.45 32.03 52.17
197920.15 40.43 48.66 53.15 62.23 69.02 76.23 73.89 68.35 57.69 38.47 40.58 54.07
198028.00 37.86 43.77 56.00 59.37 62.73 74.19 70.00 65.52 53.35 44.22 40.47 52.96
198137.92 39.89 47.73 53.08 58.55 64.80 73.89 79.92 68.92 55.10 45.77 37.89 55.29
198235.29 41.52 46.56 49.75 59.02 70.87 74.66 75.55 64.70 53.55 39.60 37.98 54.09
198343.06 45.41 49.71 52.60 62.08 65.48 71.39 76.56 61.37 54.15 47.67 24.42 54.49
198435.35 41.79 49.26 51.35 58.08 66.32 78.56 76.06 61.90 51.61 44.02 29.94 53.69
198526.85 35.02 45.34 56.12 62.55 68.93 82.31 71.94 59.82 52.87 27.03 20.60 50.78
198635.74 39.09 49.45 50.93 59.37 71.22 70.00 78.97 60.67 55.63 43.17 31.79 53.84
198731.10 39.89 48.48 56.95 62.39 70.45 71.56 73.39 68.57 55.32 42.79a33.32a54.52
198832.90 41.98 45.63 53.92 59.39 66.48 75.24 73.66 65.22 59.68 45.28 32.74 54.34
198936.85 24.09 41.53 53.92 57.82 68.05 73.27 71.13 66.17 53.77 45.25 33.92 52.15
199039.97 38.05 47.19 56.50 57.81 66.78 77.92 75.08 71.50 52.61 46.68 26.29 54.70
199131.68 45.68 43.95 51.13 55.63 61.63 73.61 76.79 67.30 53.58 42.15 37.35 53.37
199240.42 42.97 50.39 55.20 64.18 72.95 74.03 75.03 63.20 55.23 40.65 32.58 55.57
199323.74b29.80 43.47 51.45 62.35 64.62 67.73 70.92 66.53 55.97 36.08 36.98 50.80
199442.31 36.98 49.10 56.92 63.76 68.37 79.85 76.24 70.50 54.35 42.77 38.32 56.62
199536.60 43.73f-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z36.60k
1996-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1997-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1998-----z-----z-----z-----z-----z-----z-----z-----z-----z48.55u46.42 37.05 41.73j
199942.06 43.12 45.71 49.57 55.63 65.17 72.84 75.06 64.07 52.45 47.12 38.37 54.26
200035.76b39.60 45.08 55.17 59.50 66.78 74.60 73.82 62.88 51.56 35.70 31.23 52.64
200133.40 36.57 45.89 49.07 60.42 63.65 73.30a76.23 67.95 52.52 43.12 37.39 53.29
200238.10 40.11 42.18 51.59a56.92 67.57 77.13 71.94 64.67 49.80a41.42 39.60 53.42
200341.02 39.41 49.40b51.17 59.18 69.48 78.83a75.42 67.55 57.15 39.45 35.45 55.29
200430.00a41.47 52.44 55.60 58.05 66.77 76.95 75.69 63.45 54.87 42.30 37.94 54.63
200534.43a39.64 49.40 53.17 61.58 65.48 76.84 76.15 64.18 55.63 40.55 31.29 54.03
200643.95 38.04 46.13 51.83 60.56 67.87 78.58 73.92 66.15 52.21 43.92 33.50 54.72
200732.05 39.77 48.81 52.47 61.92 67.80 79.81 73.60 65.27 52.37 41.70 38.27 54.49
200834.43a42.14 43.92 48.47 60.94 65.68 74.84 73.69 65.20 52.73 44.42 29.58a53.00
200935.10 37.07 42.45 51.95 61.74 68.63 78.31 75.79 68.75 50.31 45.22 29.08 53.70
201041.37 43.43 47.37 51.60 55.95 65.03 75.13 73.77 66.07 55.16 39.78 35.42 54.17
201137.73 38.39 46.89 47.38 56.00 63.98 72.02b75.76b69.83 54.66 43.18 33.63 53.29
201236.97 38.48a45.47 53.33 58.27 63.55 75.31 76.13 67.28 53.77 44.92 40.10 54.47
201332.55 41.59 48.10 52.33 62.26 68.23 79.32 76.94 68.24a51.32 40.37 31.98b54.44
201436.31 35.00 47.81 52.88 62.50 67.25 80.69 76.95 67.80 59.89 39.68 38.66 55.45
201537.32 45.96 52.05 52.83 64.37 76.58 79.89 77.10 64.68 58.73 39.98 38.00 57.29
201636.29 44.71 48.27 57.42 61.42 68.70 73.44 74.71 63.40 54.44 48.68 29.60 55.09
201722.22a36.38 48.34 52.72 61.60 69.73 79.93a78.52 67.30 53.05 44.67 32.45 53.91
201841.44 40.23 46.24 52.98 65.71 67.68 79.02 75.65 64.38 53.40 42.13 39.66 55.71
201938.24 28.20 37.80a54.09a62.82 68.35 74.05 76.74 65.43 49.10a38.53 35.26 52.38
202040.90 41.40 43.77 51.63 59.19 65.75 74.63 75.02 67.40 54.19 42.30 35.76 54.33
202139.81 34.79 45.74 52.70 60.23 74.35 80.11 74.40 65.43 53.71 45.22 35.00 55.12
202233.13 38.43 47.32 45.92 54.52 65.05 77.56 78.47 67.90 58.18 34.70 28.56 52.48
202337.18 36.75 42.61 49.88 63.76 68.92 77.31 75.40 64.87 53.82 39.63 38.69 54.07
202430.03 41.21 46.76 51.71m-----z-----z-----z-----z-----z-----z-----z-----z39.33i
Period of Record Statistics
MEAN34.29 39.21 45.77 52.05 59.75 67.21 75.54 74.43 65.57 53.89 42.05 35.17 53.74
S.D.6.33 4.12 2.81 2.73 2.75 3.03 2.91 2.75 2.80 2.47 3.82 4.22 1.36
SKEW-0.86 -1.16 -0.18 0.01 0.01 0.40 -0.03 -0.09 -0.19 0.38 -1.17 -0.89 -0.13
MAX46.13 46.29 52.44 57.42 65.71 76.58 82.31 80.10 71.50 59.89 48.68 41.63 57.29
MIN16.50 24.09 37.80 45.92 54.52 60.95 67.73 68.66 59.02 49.10 27.03 20.60 50.40
YRS73 72 72 71 71 71 71 71 71 71 72 72 71