DALLESPORT AIRPORT, WA

Total of Precipitation (Inches)

(451968)

File last updated on April 24, 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
1948-----z-----z-----z-----z-----z-----z0.37 0.22 1.27 0.41 2.71 4.07 9.05f
19490.34 2.92 1.17 0.07 0.50 0.15 0.04 0.00 0.30 0.56 2.40 0.80 9.25
19504.74 1.46 1.85 0.20 0.09 0.27 0.02 0.00 0.42 3.89 2.90 2.82 18.66
19513.61 2.26 1.66 0.22 0.72 0.19 0.01 0.28 0.71 2.11 1.76 2.48 16.01
19521.82 1.55 0.31 0.05 0.59 1.18 0.00 0.00 0.19 0.02 0.39 2.56 8.66
19536.43 1.72 0.54 0.61 1.51 0.53 0.00 0.61 0.01 0.62 2.84 3.06 18.48
19545.10 0.66 0.74 0.33 0.56 0.54 0.10 0.06 0.30 0.73 1.26 0.97 11.35
19550.46 0.99 0.87 1.07 0.37 0.35 0.19 0.00 0.85 2.33 3.90 4.41 15.79
19565.80 1.00 0.66 0.00 0.46 0.45 0.00 0.47 0.34 0.90 0.19 1.32 11.59
19571.32 1.72 3.56 0.52 0.24 0.04 0.02 0.13 0.53 1.62 0.95 3.60 14.25
19583.47 3.14 0.74 1.18 0.36 1.23 0.00 0.00 0.17 0.18 2.91 1.74 15.12
19592.21 1.48 0.97 0.00 0.33 0.12 0.09 0.00 1.06 1.15 0.49 0.46 8.36
19601.82 1.92 3.07 0.73 1.25 0.04 0.00 0.23 0.09 0.84 3.31 1.19 14.49
19611.74 4.12 1.78 0.69 0.77 0.39 0.16 0.12 0.19 0.91 2.31 2.76 15.94
19620.50 2.04 1.37 0.89 0.85 0.00 0.00 0.65 0.45 2.56 1.74 1.34 12.39
19631.44 1.54 1.14 1.12 0.45 0.03 0.02 0.11 0.53 0.29 2.65 1.85 11.17
19643.00 0.14 0.31 0.14 0.00 0.67 0.07 0.14 0.02 0.41 3.36 8.96 17.22
19652.49 0.23 0.47 0.86 0.17 0.16 0.10 0.38 0.01 0.11 2.20 0.66 7.84
19663.60 0.47 0.95 0.00 0.20 0.12 0.49 0.00 0.46 0.60 2.59 2.58 12.06
19671.69 0.13 0.86 0.80 0.14 0.25 0.00 0.01 0.10 1.17 0.73 1.41 7.29
19681.68 2.97 0.40 0.04 0.57 0.03 0.06 1.43 0.19 1.20 3.16 3.91 15.64
19692.82 0.77 0.64 0.29 0.48 0.23 0.01 0.00 0.25 0.54 0.26 2.98 9.27
19707.19 1.04 0.79 0.28 0.04 0.09 0.00 0.00 0.03 0.80 2.15 1.77 14.18
19712.74 0.65 1.92 0.29 0.84 0.13 0.02 0.09 1.08 0.71 1.99 2.38 12.84
19722.99 0.69 2.19 0.16 0.21 0.20 0.05 0.33 0.61 0.14 1.00 3.89 12.46
19731.97 0.48 0.16 0.07 0.44 0.02 0.00 0.13 0.97 2.17 5.48 5.97 17.86
19742.98 1.30 1.64 1.05 0.14 0.11 0.54 0.00 0.00 0.43 1.45 2.64 12.28
19754.50 2.19 1.62 0.76 0.15 0.49 0.06 0.90 0.00 1.75 2.02 2.48 16.92
19761.89 1.72 0.94 0.42 0.18 0.03 0.16 0.39 0.15 0.34 0.36 0.37 6.95
19770.32 0.76 0.38 0.00 0.78 0.26 0.05 0.78 0.81 0.45 3.65 5.73 13.97
19783.61 1.89 0.38 0.77 0.42 0.00 0.22 0.97 0.70 0.06 1.07 1.25 11.34
19792.09 2.11 0.96 0.54 0.18 0.10 0.03 1.23 0.43 2.16 2.51 1.30 13.64
19805.12 2.58 0.83 1.18 0.10 1.18 0.00 0.11 0.31 0.51 2.17 5.39 19.48
19811.50 2.80 0.32 0.26 0.57 1.39 0.03 0.00 1.06 0.89 2.27 5.72 16.81
19822.28 2.03 0.35 0.75 0.19 0.32 0.05 0.15 1.68 2.08 1.23 3.34 14.45
19833.31 4.22 3.05 0.30 0.34 0.13 0.31 1.44 0.86 0.76 3.83 3.91 22.46
19840.65 1.76 1.61 1.06 0.85 0.65 0.00 0.00 0.49 1.25 4.21 1.22 13.75
19850.17 1.61 0.99 0.09 0.46 0.94 0.04 0.00 1.68 0.82 1.61 1.59 10.00
19863.18 4.00 0.94 0.16 0.30 0.10 0.13 0.06 1.06 0.51 1.70 1.05 13.19
19872.88 1.01 1.46 0.61 0.21 0.07a0.60 0.05 0.00 0.04 0.68 5.06 12.67
19882.61 0.19 0.84 1.46 0.22 0.87 0.02 0.00 0.11 0.01 3.40 0.71 10.44
19891.84 1.19 2.34 0.84 0.41 0.45 0.15 0.76 0.11 0.81 0.75 1.26 10.91
19903.10 0.42 0.66 1.89 1.79 0.37 0.07 1.03 0.14 1.14 0.83 1.20 12.64
19911.52 1.05 1.61 0.97 0.65 0.95 0.36 0.23 0.00 1.19 2.69 1.52 12.74
19921.22 2.74 0.35 1.86 0.00 0.14 0.22 0.09 0.46 1.27 2.20 3.47 14.02
19931.91 1.02 1.77 1.03 1.33 0.68 0.53 0.02 0.00 0.41 0.60 1.90 11.20
19942.21 1.72 0.50 0.74 0.88 0.44 0.00 0.03 0.12 4.04 1.11 1.96 13.75
19955.29 2.52 1.02 1.63 0.90 0.96 1.26 0.17 0.63 0.91 4.48 3.08 22.85
19964.00 4.44 1.59 1.03 0.64 0.26 0.03 0.00 0.54 1.31 4.57 7.22 25.63
19973.71 0.68 1.99 1.03 0.59 0.19 0.02 0.39 0.28 1.98 1.48 0.62 12.96
19984.43 2.04 1.18 0.85 2.30 1.07 0.04 0.00 0.99 0.41 2.91 2.81 19.03
19991.86 2.31 0.32 0.12 0.29 0.20 0.10 0.20 0.00 0.84 2.62 0.79 9.65
20003.29 3.57 0.72 0.37 0.37 0.13 0.00 0.00e0.29b0.70 1.39 0.96 11.79
20010.80 0.85 1.10 0.61 0.19 0.49 0.12 0.33 0.26 1.35 2.72 2.28 11.10
20021.34 1.12 0.82 0.39 0.48 0.55 0.32 0.00 0.20 0.15 0.94 3.62 9.93
20033.78 1.10 2.76 1.22 0.20 0.00 0.00 0.00 0.07 0.70 1.37 4.31 15.51
20042.93 1.90 0.60 0.66 0.41 1.00 0.10 1.08 0.43 0.64 0.13 1.35 11.23
20050.93 0.55 1.64 0.74 1.97 0.62 0.04 0.00 0.35 1.13 1.93 6.38 16.28
20064.24 0.99 1.07 0.94 1.16 0.83 0.05 0.00 0.05 0.39 4.29 3.56 17.57
20071.40 1.08 0.44 0.56 0.16 0.16 0.02 0.50 0.56 1.25 2.72 2.74 11.59
20082.94 0.75 0.53 0.38 0.34 0.15 0.24 0.29 0.03 0.49 2.10 1.96 10.20
20093.02 1.89 1.48 0.43 1.18 0.11 0.00 0.03 0.18 0.87 1.29 2.63 13.11
20102.69 1.43 0.73 0.69 1.36 1.41 0.00 0.06 0.85 0.75a2.20 3.53 15.70
20111.32 0.74 1.74 1.57 2.22 0.10 0.48 0.00 0.02 0.93 1.24 2.20 12.56
20122.90 0.81 2.30 0.58 0.59 1.35 0.00 0.00 0.00 1.88 1.77 2.46 14.64
20130.32 0.37 0.91 0.47 1.50 0.92 0.00 0.60 1.56 0.40 1.06 1.43 9.54
20141.34 3.11 1.97 1.05 0.36 0.25 0.62 0.24 0.19 1.93 1.57 2.09 14.72
20152.16 1.67 0.65 0.12 0.26 0.00a0.00 0.03 0.05 0.75 1.67 6.02 13.38
20162.84 1.25 1.60 0.18 0.59 0.07 0.25 0.00 0.21 3.07 1.21 2.43 13.70
20171.15 2.03 2.36 1.65 0.21 0.38 0.00 0.05 0.76 1.60 2.42 1.13 13.74
20181.39 0.71 0.84 0.64 0.02 0.45 0.00 0.00 0.02 0.95 1.07 2.57 8.66
20191.73 2.68 0.35 2.01 0.48 0.09 0.08 0.53 1.00 0.52 0.46 1.70 11.63
20202.76 0.32 0.46 0.41 1.12 0.36 0.00 0.00 0.05 0.65 2.80 1.66 10.59
20211.56 0.98 0.18 0.09 0.10 0.04 0.00 0.00 0.60 0.80 2.59 1.90 8.84
20221.69 0.24 1.01 1.98 1.66a1.15 0.15 0.00 0.30 0.75 1.40 2.08 12.41
20231.33 0.56 0.79 0.92 0.14 0.04 0.05 0.34 0.83 0.72 1.87 3.18 10.77
20243.01h0.98b1.14 0.11h-----z-----z-----z-----z-----z-----z-----z-----z2.12j
Period of Record Statistics
MEAN2.52 1.55 1.14 0.68 0.59 0.41 0.12 0.24 0.43 1.01 2.03 2.65 13.35
S.D.1.47 1.03 0.74 0.51 0.53 0.40 0.21 0.36 0.42 0.81 1.15 1.70 3.58
SKEW0.84 0.92 1.09 0.78 1.48 1.06 2.98 1.79 1.15 1.67 0.59 1.30 0.89
MAX7.19 4.44 3.56 2.01 2.30 1.41 1.26 1.44 1.68 4.04 5.48 8.96 25.63
MIN0.17 0.13 0.16 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.13 0.37 6.95
YRS75 76 76 75 75 75 76 76 76 76 76 76 75