MCMILLIN RESERVOIR, WA

Maximum of Precipitation (Inches)

(455224)

File last updated on March 29, 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
1941-----z-----z0.78 0.58 0.86 0.50 0.00 0.62 0.58 0.46 1.02 2.22 -----z
19420.46 0.42 0.36 0.48 0.48 1.00 0.46 0.16 0.02 1.32 1.35 0.53 1.35
19430.42 1.00 0.76 0.75 0.36 1.08 0.16 0.38f0.81 0.98a0.62 0.83 1.08g
19440.83a0.57 0.90 0.70 0.38 0.36 0.10 0.14 0.54 0.35 0.66 0.31 0.90a
19450.73 0.90 0.78 1.27 0.90 0.09 0.36 0.71 1.39 0.64 1.15 1.33 1.39
19461.33 1.20 0.72 0.42 0.33 0.89 1.78 0.06 1.06 0.62 1.93 1.29 1.93
19471.27 1.10 0.53 0.50 0.13 0.96 0.38 0.19 0.39 1.30 0.98 0.66 1.30
19480.80 1.05 1.86 0.59 0.91 0.85 0.81 0.40 0.96 1.01 0.89 1.18 1.86
19490.37 1.44 0.80 0.63 0.69 0.38 0.23 0.43 0.75 1.82 1.78 1.43 1.82
19501.83 1.26 1.53 0.58 0.36 0.56 0.44 0.40 0.87 1.24 1.24 1.70 1.83
19510.73 2.20 0.72 0.31 0.48 0.05 0.05 0.68 1.38 0.80 0.70 0.68 2.20
19520.80 1.09 0.63 0.78 0.46 0.23 0.28 0.20 0.06 0.57 0.39 0.79 1.09
19531.14 0.63 1.08 0.40 0.91 0.84 0.16 0.53 0.63 1.30 1.60 1.18 1.60
19541.95 1.23 0.70 0.67 0.44 0.66 0.47 0.66 0.67 1.00 0.96 0.53 1.95
19550.53 1.38 0.70 0.58 0.66 0.31 0.68 0.14 0.74 1.40 1.41 1.61 1.61
19561.24 0.40 0.80 0.26 0.38 0.53 0.27 0.48 0.46 1.01 1.31 1.12 1.31
19570.64 0.70 1.22 0.40 0.64 0.80 0.53 0.57 1.26 1.05 0.78 0.81 1.26
19581.38 0.70 0.27 0.70 0.46 0.40 0.02 0.11 0.44 1.75 1.23 1.34 1.75
19591.23 0.41 0.60 0.57 0.51 0.74 0.16 0.27 0.84 0.99 3.06 1.15 3.06
19601.00 1.21 0.61 0.81 1.13 0.59 0.00 2.48 0.64 1.02 1.94 0.83 2.48
19610.97 1.22 0.46 0.48 0.41 0.40 0.22 0.50 0.36 0.61 1.17 0.92 1.22
19621.00 1.00 0.67 0.73 0.64 0.29 0.17 0.54 0.74 1.45 2.00 1.14 2.00
19630.74 1.65 0.93 0.93 0.31 0.32 0.46 0.62 0.28 1.32 0.82 0.83 1.65
19641.99 0.62 0.51 0.37 0.72 0.87 0.76 0.25 0.41 0.91 1.86 1.67 1.99
19651.36 1.01 0.22 1.49 0.39 0.22 1.08 1.05 0.28 1.08 1.00 0.95 1.49
19661.06 0.71 0.92 1.02 0.54 1.00 0.77 0.12 0.82 0.98 1.21 1.25 1.25
19671.47 1.21 0.54 0.58 0.39 1.51 0.10 0.00 0.72 1.35 0.60 0.52 1.51
19680.66 1.58 1.40 0.47 0.82 1.94 0.18 1.12 0.95 1.06 1.45 1.38 1.94
19691.30 1.03 0.50 0.80 1.13 0.66 0.17 0.32 1.46 0.64 0.92 1.13 1.46
19700.90 1.18 0.76 0.68 0.52 0.21 0.20 0.14 0.51 0.57 0.63 1.72 1.72
19711.71 0.68 0.80 0.81 0.42 1.20 0.43 0.35 1.64 0.75 0.70 0.80 1.71
19721.42 1.25 1.51 0.58 0.40 1.16 0.56 0.45 1.15 0.27 0.65 1.29 1.51
19730.93 0.50 0.73 0.65 0.78 1.04 0.04 0.10 0.68 1.23 1.32 0.89 1.32
19741.02 1.04 1.00 0.57 0.44 0.92 0.52 0.07 0.15 0.60 1.39 2.67 2.67
19751.29 1.24 0.58 0.33 0.49 0.31 0.22 1.52 0.01 1.12 0.92 1.05 1.52
19760.95 0.75 0.42 0.52 0.57 0.54 1.02 1.42 0.67 0.46 0.38 0.90 1.42
19770.24 0.48 0.77 0.21 0.60 0.71 0.07 1.44 0.56 0.51 0.71 1.49 1.49
19780.73 0.49 0.39 0.80 0.40 0.28 0.98 0.46 1.81 0.22 1.53 0.65 1.81
19791.02 1.40 0.58 0.56 0.50 0.16 0.96 0.36 1.19 1.02 0.39 1.93 1.93
19800.91 0.62 0.48 1.10 0.58 0.63 0.31 0.76 0.61 0.28 1.50 0.96 1.50
19810.62 1.35 1.08 0.46 0.39 0.87 0.42 0.44 0.51 1.80 1.25 0.92 1.80
19821.13 1.45 0.50 0.58 0.26 0.52 0.94 0.23 0.49 1.46 0.87 0.97 1.46
19831.83 0.66 0.79 0.45 0.45 0.82 0.71 1.95 0.61 0.70 1.85 1.13 1.95
19841.90 1.12 0.94 0.44 0.93 1.84 0.01 0.21 0.43 0.42 1.14 1.04 1.90
19850.32 0.43 0.65 0.42 0.24 1.35 0.03 0.45 0.35 1.31 0.75 0.90 1.35
19861.60 1.00 0.90 0.42 0.58 0.36 0.51 0.28 0.60 0.92 3.52 0.76 3.52
19870.65 2.20 0.92 0.57 1.05 0.27 0.25 0.33 0.64 0.25 0.72 1.60 2.20
19881.11 0.25 0.91 0.82 0.77 0.77 0.54 0.30 0.59 0.90 1.20 1.17 1.20
19890.51 0.95 0.80 0.67 1.05 0.55 0.23 0.55 0.10 0.48 1.77 1.20 1.77
19902.40 1.23 0.66 0.68 1.01 0.79 0.49 0.41 0.04 0.79 1.67 0.76 2.40
19911.14 1.40 0.74 2.60 0.80 0.40 0.23 0.45 0.55 0.72 0.95 0.55 2.60
19921.48 0.71 0.83 1.18 0.13 1.09 0.87 0.89 1.08 0.42 0.95 0.69 1.48
19931.02 0.16 1.87 0.61 0.92 0.75 0.35 0.14 0.00 0.51 0.32 0.70 1.87
19940.55 0.71a1.27 0.45 0.58 0.53 0.82 0.26 1.24 1.75 1.00 2.00 2.00a
19951.17 1.70 0.87 0.63 0.58 0.35 1.30 -----z0.72 1.50 1.69 1.05 -----z
19961.24 2.72 0.40 1.24 1.19 0.52 0.49 0.11 0.79 0.94 1.50 1.82 2.72
19971.13 0.75 1.34 1.10 1.11 1.24 0.64 0.90 0.54 1.65b0.65 1.10 1.65b
19981.04a0.70 0.65 0.27 0.78 0.33 0.10 0.03 0.24 0.91 2.71 1.80 2.71a
19991.10 0.96 0.82 0.20 0.45 0.99 0.45 0.28b0.23 0.62 1.95 1.10 1.95b
20000.52 0.93 0.86 1.10 0.66 0.88 0.60 0.27 0.26 0.99 0.85 0.85 1.10
20010.52 0.80 0.42 1.22 0.72 0.97 0.44b0.91 0.35 0.63b2.35 0.87 2.35d
20021.30 1.02 1.53 1.42 0.54 0.89 0.71 0.22 0.12 0.32 0.40a1.01b1.53c
20031.17 0.46 1.06 0.42 0.41 0.30 0.12 0.22 0.30 3.07 1.20 1.30 3.07
20041.33 0.50 0.36 0.36a0.73 0.42 0.06 1.00 0.99 1.06 0.86 0.61 1.33a
20052.37b0.29 2.15 1.21 0.88a0.87 0.57 0.08 0.99 1.20a1.05 1.31 2.37d
20061.75 0.60 0.38a1.01a0.49 0.90 0.23 0.03a0.24a0.72b3.59 1.45 3.59f
20071.53 1.22 1.35b0.42 0.45 0.71 0.52 0.54 0.60 1.07a0.58 2.09 2.09c
20080.78 0.86 0.78 0.27 0.40 0.38 0.32 0.42 0.29 0.44 2.03 0.90 2.03
20092.50a0.36 0.65 0.75 0.77a0.71 0.02 0.58 0.94 1.20 1.42 0.59 2.50b
20100.94 0.52 0.96b0.55 0.76 0.72 0.32 0.15 1.18 0.89 1.26 0.93 1.26b
20111.06 0.98 0.73 1.18 1.94 1.11 0.27 0.25 0.50 0.76 1.63a0.87 1.94a
20120.94 0.70 0.97 1.02 0.86 0.50 0.62 0.00 0.04 1.30 1.47 0.86a1.47a
2013-----z2.28m0.74k0.78j1.29a0.70j0.00o-----z2.72q3.00i1.88p0.80g-----z
20141.17g2.72g2.05e0.82g1.03e0.46e0.86e1.19e1.14g1.25h1.07h1.10e-----z
20151.64g1.16e2.06i0.61f0.25k0.27f0.26e1.87e0.35e0.80d3.47h2.50e-----z
20161.05h1.38f0.81d0.54e0.56f0.69d0.59g0.20d0.80e2.20e1.38g0.95e-----z
20172.04g1.65f1.05d0.70e0.75e0.70d0.06e0.12d0.42e2.49e1.70h1.47f-----z
20180.82f0.84e0.44d1.83e0.50e0.60e0.70d0.75d0.73f1.50d1.06g0.95e-----z
20190.85e1.41e0.32e0.93f0.43e0.44e0.25e0.47d0.79g1.68h0.40g2.00e-----z
20201.38e1.08e1.11e0.28s0.97g1.05d0.10e0.53e1.05e1.97h1.54f1.52f-----z
20212.40g1.63e0.85d0.80d0.29f1.42d0.00f0.11e1.20e1.51e1.97f1.26e-----z
20221.60g2.00e2.02d0.82e0.97g1.53e0.28f0.03d0.06e0.84e2.40g2.25e-----z
20230.52g0.69e0.64d1.52e0.71e0.46e0.15f0.12d0.82e0.55g1.42g2.15f-----z
20241.42f1.25m0.23o-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN1.11 0.99 0.85 0.73 0.64 0.71 0.42 0.49 0.64 1.00 1.27 1.16 1.81
S.D.0.49 0.47 0.41 0.40 0.30 0.38 0.34 0.47 0.40 0.51 0.67 0.48 0.52
SKEW0.74 0.98 1.31 1.90 1.30 0.85 1.23 1.95 0.56 1.22 1.40 1.04 0.97
MAX2.50 2.72 2.15 2.60 1.94 1.94 1.78 2.48 1.81 3.07 3.59 2.67 3.52
MIN0.24 0.16 0.22 0.20 0.13 0.05 0.00 0.00 0.00 0.22 0.32 0.31 0.90
YRS73 78 81 78 78 81 78 80 79 78 72 79 68