DALLESPORT 9 N, WA

Maximum of Precipitation (Inches)

(451972)

File last updated on March 19, 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-----z0.46 0.37 0.17 0.72 0.32 0.72 1.28 -----z
19490.51 1.00 0.40 0.21 0.64 0.12 0.05 0.00 0.28 0.32 0.98 0.60 1.00
19501.22 0.70 0.52 0.18 0.45 0.27 0.06 0.00 0.40 1.19 1.25 0.73 1.25
19511.16 0.98 0.77 0.18 0.68 0.15 0.00 0.59 0.64 0.72 0.86 1.00 1.16
19520.38 0.48 0.27 0.09 0.40 0.69 -----z-----z0.23 0.01 0.37 0.93 -----z
19531.04a0.82 0.18 0.59 0.99 0.35 0.00 0.30 0.16 0.30 1.28 1.61 1.61a
19541.92 0.42 0.59 0.29 0.54 0.34 0.49 0.08 0.60 0.91 0.61 0.66a1.92a
19550.20 0.68 0.43 0.46 0.19 0.30 0.30 0.00 0.51 1.16 1.34 1.03a1.34a
19561.14 0.50 0.50 0.00 0.29 0.13 0.00 0.49 0.53 0.95 0.50 0.68 1.14
19570.36 0.72 0.51 0.54 0.33 0.36 0.16 0.24 0.55 0.64 0.46 1.00 1.00
19580.91 0.78 0.32 1.29 0.40 1.14 0.00 0.00 0.35 0.35 0.73 0.50 1.29
19590.64 0.59 0.59 0.18 0.14 0.19 0.00 0.02 0.83 0.34a0.31 0.37 0.83a
19600.83 1.04 0.90 0.81 0.32 0.18 0.00 0.20 0.09 0.50 1.86a0.78 1.86a
19610.69 1.50 1.17 0.45 0.71 0.38 0.50 0.19 0.44 0.64 1.17 0.67 1.50
19620.35 0.55 0.75 0.86 0.44 0.00 0.00 0.63 0.90 0.78 1.32 0.58 1.32
19630.79 0.97 0.63 0.53 0.32 0.13 0.18 0.17 0.37 0.11 0.72 0.53 0.97
19641.00 0.13 0.26 0.13 0.08 0.40 0.09 0.11 0.17 0.37 1.30 1.79 1.79
19651.13 0.34 0.42 0.64 0.18 0.49 0.12 0.58 0.00 0.39 1.31a0.46b1.31c
19661.03 0.25 0.54 0.07 0.15 0.15 0.68 0.00 0.42 0.59 0.73 0.85 1.03
19670.53 0.41 0.27a0.35 0.10 0.18 0.00 0.00 0.12 0.78 0.49 1.11 1.11a
19680.54 0.85 0.49 0.19 0.42 0.09 0.20 0.56 0.28 0.86 1.44 1.15e1.44e
19690.79 0.49 0.32 0.32 0.61 0.37 0.00 0.00 0.28 0.28 0.50 0.79 0.79
19701.58 0.54 0.42 0.34 0.09 0.08 0.00 0.00 0.17 0.37 0.79 0.47 1.58
19711.03 0.20 0.59 0.47 0.48 0.12 0.03 0.14 1.16 0.92 1.02 0.69 1.16
19721.65 0.80a0.79 0.20 0.37 0.15 0.06 0.41 0.50 0.11 0.65 1.05 1.65a
19730.90 0.36 0.19 0.24 0.40 0.16 0.00 0.20 0.54 0.75 0.95 1.29 1.29
19741.75 0.50 0.73 0.71 0.13 0.30 0.25 0.00 0.00 0.55 0.63 0.60 1.75
19751.32 0.79g0.74 0.31 0.27 0.74 0.00 0.77 0.00 1.12 0.70 0.93 1.32g
19761.03 4.25c0.53 0.68 0.06 0.04 0.31 0.24 0.31 0.33 0.31 0.35 4.25c
19770.26 0.57 0.32 0.00 0.45 0.43 0.15 0.75 0.30 0.40 0.62 1.84 1.84
19780.47 0.47 0.28 0.53 0.26 0.06 -----z0.59 0.22 0.20 0.53 1.00 -----z
19790.95 0.82c0.48 0.25 0.24 0.16 0.18 0.85 0.45 0.85 0.89 0.84 0.95c
19801.35 0.76 0.49c-----z0.18 0.85 -----z-----z0.22 0.36 1.08 1.72 -----z
Period of Record Statistics
MEAN0.92 0.76 0.51 0.39 0.35 0.30 0.14 0.27 0.39 0.56 0.86 0.91 1.43
S.D.0.44 0.71 0.22 0.29 0.21 0.25 0.18 0.27 0.27 0.32 0.38 0.40 0.65
SKEW0.37 4.02 0.81 1.08 0.87 1.55 1.41 0.70 0.84 0.35 0.59 0.88 3.06
MAX1.92 4.25 1.17 1.29 0.99 1.14 0.68 0.85 1.16 1.19 1.86 1.84 4.25
MIN0.20 0.13 0.18 0.00 0.06 0.00 0.00 0.00 0.00 0.01 0.31 0.35 0.79
YRS32 31 32 31 32 33 30 31 33 33 33 33 27