WALLA WALLA REGIONAL AP, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(458928)

File last updated on May 13, 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
194910.16 27.39 35.74 44.23 52.13 53.23 58.89d59.29 53.17 39.71 39.67 30.94 42.05
19508.52 26.96 34.90 38.73 45.39 54.00 59.97 60.06 52.87 44.61 36.03 34.55 41.38
195127.84 30.82 32.55 39.77 46.77 53.23 60.48 58.90 51.90 42.65 34.13 23.74 41.90
195223.13 31.83 35.58 41.73 48.35 52.37 60.32 59.71 54.37 46.00 27.50 30.45 42.61
195339.16 33.39 36.32 39.90 44.90 49.57 58.42 59.10 52.87 43.77 36.93 33.65 44.00
195426.48 33.39 29.87 39.17 46.48 49.30 57.35 56.00 50.30 39.77 39.90 28.23 41.35
195527.65 28.11 29.06 36.67 43.61 53.27 57.77 57.52 51.37 43.68 26.13 26.00 40.07
195627.06 19.86 34.81 41.93 49.97 50.77 61.90 58.45 51.90 42.29 31.10 30.32 41.70
195712.52 29.21 35.48 42.10 51.06 54.90 58.58 56.97 53.41a41.48 32.40 33.94 41.84
195832.55 39.07 33.74 40.53 52.26 56.76a63.06 63.29 51.50 42.65 34.77 31.71 45.16
195928.48 31.18 36.03 40.70 44.03 54.17 60.29 57.39 51.17 43.23 28.33 28.65 41.97
196019.00 30.66 35.32 41.73 45.19 52.37 63.48 57.10 51.83 44.42 35.60 25.77 41.87
196131.45 38.32 38.65 40.37 46.81 57.33 63.42 64.10 48.73 40.48 26.83 29.77 43.86
196225.00 30.50 33.74 41.90 45.10 51.90 58.94 57.68 51.73 44.13 38.17 33.16 42.66
196319.84 33.64 36.58 40.20 47.61 53.63 57.32 60.71 57.17 46.94 38.03 29.00 43.39
196434.42 33.07 36.03 38.87 44.94 53.33 58.84 56.19 48.10 38.45 34.73 25.52 41.87
196531.10 34.79 31.94 44.20 45.74 53.60 61.84 61.61 49.97 46.74 38.97 31.39 44.32
196632.32 32.71 36.06 40.73 47.42 52.47 58.45 59.42 55.57 42.29 37.57 34.58 44.13
196736.77 34.82 35.32 37.60 46.26 55.53 61.87 63.87 56.97 44.74 34.20 30.13 44.84
196830.97 36.31 38.68 38.93 47.13 53.77 62.55 59.33a54.53 44.32 38.37 26.52 44.28
196917.06 30.36 36.90 42.17 50.23 57.97 60.23 58.68 55.33 41.35 36.17 31.90 43.20
197029.32 36.43 36.65 38.40 49.10 58.47 62.61 61.10 49.10 41.68 35.20 30.94 44.08
197134.39 33.18 34.35 38.77 47.26 50.60 58.84 62.84 46.67 39.97 36.60 30.71 42.85
197226.35 30.28 39.74 37.57 49.16 55.27 59.52 61.65 49.73 42.45 36.30 22.32 42.53
197325.19 32.64 39.19 40.90 49.94 56.30 61.71 60.87 53.93 44.87 36.47 36.06 44.84
197424.00 36.61 37.45 42.37 46.06 56.50 59.39 64.03 55.47 44.19 39.30 35.39 45.06
197530.19 31.32 36.16 39.03 48.58 54.80 66.00 58.06 52.40 46.29 35.87 33.48 44.35
197632.74 31.90 33.29 39.17 44.71 49.53 60.19 58.32 55.27 42.52 37.57 29.87 42.92
197721.81 35.86 36.65 43.33 46.23 58.80 60.48 66.52 53.20 43.94 34.60 32.03 44.45
197829.13 34.43 37.65 39.97 44.45 53.43 60.00 61.03 54.00 42.42 27.73 25.74 42.50
197914.84 33.75 38.16 42.43 49.81 56.30 61.65 61.65 54.30 47.10 33.40 34.48 43.99
198022.90 32.24 36.65 45.40 49.84 52.53 61.03 57.87 53.80 43.68 38.67 34.58 44.10
198134.65 33.29 38.48 42.83 49.10 54.37 59.68 64.58 55.63 45.13 38.40 32.61 45.73
198228.81 34.64 38.35 39.43 47.45 58.97 60.55 62.90 53.17 43.84 33.80 33.77 44.64
198336.35 38.82 41.74 41.67 50.16 54.47 58.84 63.58 49.90 44.39 41.63 19.23 45.06
198430.42 36.00 41.48 42.53 47.71 55.17 63.13 61.84 50.10 41.77 38.33 25.06 44.46
198524.65 27.04 35.29 44.73 50.00 54.63 66.13 58.71 48.93 42.74 21.60 17.23 40.97
198629.29 32.82 41.00 40.70 48.32 57.23 57.26 64.16 50.30 43.94 37.53 28.32 44.24
198725.23 33.50 39.68 45.43 50.00 55.13 58.16 58.10 53.97 41.81 34.63 27.43a43.59
198827.45 32.66 35.61 43.43 47.19 54.30 60.68 58.87 51.73 47.29 39.10 27.71 43.84
198931.06 17.29 34.06 42.77 46.55 53.77 58.48 58.81 51.73 43.19 38.10 29.84 42.14
199035.26 31.04 37.06 45.40 47.42 54.77 62.74 62.68 57.13 42.81 39.57 18.48 44.53
199126.00 37.39 34.84 40.43 45.45 49.77 57.90 61.77 51.67 41.94 36.40 33.16 43.06
199234.77 36.17 39.94 44.67 49.13 58.43 60.94 60.84 51.23 44.71 35.63 27.03 45.29
199317.37a24.14 35.03 41.87 50.19 52.57 55.45 56.71 51.30 44.10 26.77 32.06 40.63
199436.03 30.54 37.87 46.23 52.42 54.93 65.10 61.77 56.77 44.48 36.60 32.87 46.30
199531.29 36.91f-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z31.29k
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-----z38.80u40.43 30.10 35.27j
199936.26 36.04 36.77 38.27 44.10 52.87 58.55 62.00 49.63 40.68 39.03 33.84 44.00
200031.30a33.72 36.32 43.63 48.94 53.87 60.48 60.52 51.70 42.32 29.67 27.39 43.32
200129.84 30.43 36.55 39.90 47.52 51.80 60.17a61.94 54.53 42.87 36.53 32.29 43.70
200232.84 31.79 34.90 41.00a45.71 55.10 62.35 58.23 51.87 38.90a34.30 34.48 43.46
200336.19 32.25 41.14b41.60 48.90 56.33 64.93a62.03 55.90 46.58 31.97 30.13 45.66
200425.30a34.72 41.87 43.87 48.55 54.40 63.16 62.94 52.70 44.97 35.33 32.23 45.00
200527.90a29.75 39.48 43.03 51.55 53.60 62.77 62.00 52.20 46.45 34.83 26.00 44.13
200637.68 30.36 37.84 41.97 48.32 56.10 63.84 59.84 53.53 41.84 36.63 28.03 44.66
200726.45 33.39 39.94 42.70 49.42 56.10 66.26 60.48 53.27 42.81 34.70 32.71 44.85
200827.53a35.45 35.45 37.93 50.06 52.87 60.45 60.16 51.50 41.65 37.90 22.84 42.82
200929.16 30.96 34.23 41.60 49.77 57.00 63.13 63.35 55.57 41.65 36.87 23.55 43.90
201035.81 36.14 36.81 41.10 45.87 54.53 60.74 60.84 54.63 46.03 32.47 29.81 44.56
201131.42 30.86 37.97 38.40 45.97 53.27 58.45b62.14b56.30 46.45 34.83 27.61 43.64
201228.71 32.46a36.45 42.60 47.00 52.77 60.74 61.10 53.43 43.13 38.43 34.03 44.24
201328.10 34.21 38.71 42.57 50.23 56.10 64.71 63.58 57.48a41.45 33.87 24.60a44.63
201431.58 30.11 38.06 42.57 50.58 55.20 66.16 63.74 54.80 49.74 32.23 32.94 45.64
201532.16 37.43 41.45 41.43 52.87 62.83 66.74 64.16 53.00 48.84 34.47 32.19 47.30
201630.42 36.69 38.61 46.27 49.84 55.27 60.87 60.39 52.10 46.77 40.83 22.84 45.07
201716.20a29.39 40.84 43.23 49.97 57.37 64.90 64.77 56.03 42.81 37.63 27.77 44.24
201835.42 33.86 36.48 42.83 54.81 55.40 64.06 62.35 52.07 44.00 35.27 33.81 45.86
201932.94 22.25 30.53a44.72a51.48 55.87 60.87 63.55 55.33 39.07a30.77 30.26 43.14
202033.55 32.79 35.16 39.87 47.97 54.50 60.06 61.71 54.83 43.90 34.50 30.32 44.10
202133.13 29.07 34.97 40.03 47.90 60.50 66.32 62.06 53.43 43.52 37.90 28.65 44.79
202227.00 29.07 38.52 36.63 45.06 53.80 63.52 64.10 55.40 47.61 28.97 22.71 42.70
202329.81 28.96 34.19 40.43 52.06 56.17 63.03 63.58 54.07 44.65 33.87 33.68 44.54
202423.94 34.31 36.71 41.37 43.27t-----z-----z-----z-----z-----z-----z-----z34.08h
Period of Record Statistics
MEAN28.38 32.18 36.66 41.41 48.20 54.62 61.24 60.93 52.98 43.57 35.13 29.52 43.73
S.D.6.46 3.97 2.69 2.27 2.44 2.50 2.60 2.41 2.37 2.33 3.91 4.22 1.41
SKEW-1.03 -1.23 -0.28 0.06 0.21 0.37 0.32 -0.11 -0.22 0.18 -1.11 -0.83 -0.32
MAX39.16 39.07 41.87 46.27 54.81 62.83 66.74 66.52 57.48 49.74 41.63 36.06 47.30
MIN8.52 17.29 29.06 36.63 43.61 49.30 55.45 56.00 46.67 38.45 21.60 17.23 40.07
YRS73 72 72 72 71 71 71 71 71 71 72 72 71