MILL CREEK DAM, WA

Total of Precipitation (Inches)

(455387)

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-----z-----z1.59 0.16 0.69 0.95 2.29 2.51 8.19f
19490.38 1.89 1.15 0.46 1.67 0.21 0.00 0.18 1.17 1.24 2.27 1.30 11.92
19502.09 1.93 2.29 0.92 0.66 2.73 0.12 0.49 0.21 4.61 2.77 2.60 21.42
19511.60 1.65 1.07 0.89 1.48 2.86 0.30 0.10 0.83 3.76 0.87 1.26 16.67
19521.00 0.94 0.97 1.17 1.30 2.41 0.04 0.01 0.48 0.08 0.54 1.57 10.51
19534.84 2.20 1.71 1.78 1.87 1.14 0.00 0.57 0.05 1.17 2.54 2.34 20.21
19542.65 0.71 1.25 1.31 1.21 2.07 0.37 1.43 0.57 1.08 1.68 1.78 16.11
19551.32 0.57a0.85a2.03 1.66a0.16 0.67a0.00 1.76 3.23 3.31e2.33S17.89
19563.59f1.45b1.12c0.21 2.37a1.01b0.67a1.68b0.03S3.05 0.96c1.85a14.40a
19571.55a1.26b2.45d1.59a3.38b0.69 0.04 0.24 0.72 2.56b2.35 2.70a19.53
19582.44a1.77 1.63 3.57f2.22a1.25 0.02 0.00 0.74b0.49 2.39b3.30c16.25a
19593.73c2.37 1.59b1.38 1.86a1.52a0.07 1.17 3.31a1.22 0.81b1.07c20.10
19601.28a1.37 2.42 1.49a2.24b0.92 0.00 1.25 0.90c1.65a2.19 0.84d16.55
19611.23b3.30c2.39c1.29S2.61 0.97b0.00 0.21 0.61 1.77b2.07b1.87 18.32
19620.72b0.79b2.64b1.43b3.57b0.42a0.01 0.52a1.93 3.32 2.02e2.55c19.92
19630.19h-----z-----z0.14v0.86a0.24 0.78 0.20a0.73a0.66 3.20a1.97 8.64d
19641.01 0.26a0.84a1.21 0.49b1.41 1.98 0.48 0.86a0.82 3.05a4.61a17.02
19652.87b0.82 0.41a1.86 0.82 1.29a0.69 2.31a0.38 0.71 1.93a0.35 14.44
19661.91a0.78 1.97 0.24 0.62 1.05 2.15 0.35 0.21 0.88 2.83 2.80 15.79
19672.30 0.35 2.11 1.57 1.88 0.41 0.00 0.00 0.74 1.33 1.37 0.69 12.75
19680.88 2.52 1.07 0.78 0.77 0.88 0.47 1.29 1.75 1.82 2.85 3.11 18.19
19694.53 1.14 0.87 3.14 0.91 1.03 0.02 0.00 0.53 1.64 0.62 2.41 16.84
19705.37 2.20 2.14 2.00 0.39 1.36 0.24 0.21 2.26 1.91 3.10 0.83 22.01
19712.08 0.93 1.38 1.42 2.79 3.05 0.75 0.33 2.28 1.07 3.57a3.29a22.94
19721.16 1.39 3.00 1.39 2.02 0.76 0.50 0.57 0.90 0.59 0.87 1.79 14.94
19730.93 1.18 1.68 0.60 1.19 0.51 0.04 0.18 1.75 1.03 5.62 5.06b19.77
19742.15 1.75b2.75 3.14 0.80 0.65 0.97 0.00 0.01 0.36 2.33 2.89 17.80
19754.70 1.50 1.48a1.51 0.84 0.69 0.29 1.45 0.00 2.12 2.11 3.43 20.12
19761.50 2.32 1.38 2.21 1.20 0.99 0.51 1.80 0.13 1.01 1.52 0.95 15.52
19770.89 0.41 1.45 0.38 1.57 0.49 0.36 3.23 1.53 0.66 2.10 4.07 17.14
19782.47 1.73 1.16 3.88 1.09 0.69 0.84 2.14 1.21 0.11 1.80 3.00 20.12
19791.65 2.11 2.16 2.00 -----z0.39 0.10 1.39 0.31 2.58 2.21 1.57 16.47a
19803.43 1.94 1.96 0.64 2.29 1.22 0.32 0.49 1.59 2.71 2.21 3.40 22.20
19811.08 3.22 2.80 1.64 2.43 2.50 0.51 0.06 0.78 2.59 2.17 4.84 24.62
19823.50 2.97 2.62 1.27 0.60 0.48 0.71 1.72 1.87 3.20 1.96 2.52 23.42
19832.16 2.94 3.41a1.19 1.46 1.53 1.43 0.98 0.91 1.52 3.66 3.92 25.11
19841.06 2.48 3.22 1.38 1.58 2.88 0.00 0.29 0.95 2.10 3.96 2.73 22.63
19850.70 1.80 1.48 0.62 0.95 1.09 0.18 1.05 1.64 1.64 2.71 1.22 15.08
19862.32 3.59 2.63 1.26 2.03 0.47 0.43 0.09 1.86 0.84 4.04 0.75 20.31
19872.46a1.37 2.13 1.16 1.94 0.56 1.42 0.27 0.00 0.00 0.92b1.77 14.00
19884.03 1.06a2.53b2.76 1.95c1.10a0.10b0.00 0.50 0.14 3.78j1.39h14.17b
19893.50e1.68d3.68c1.49d2.75b0.32 0.07 1.15 0.27 1.02 1.78b1.49 19.20
19901.66 1.21 2.14 2.11 2.35 0.59 0.30 0.81 0.07 3.06 2.05 1.59 17.94
19911.08 0.80 2.53 1.22 5.67 2.80 0.30 1.35 0.01 1.27a4.79 1.92 23.74
19921.17d1.35c0.55 1.69 0.39 0.80 3.16 1.72 1.31 0.99 3.14a1.55d17.82
19932.41e0.75a1.85b3.59 2.87 2.43 1.82a1.17 0.01 0.50 0.60b2.13e20.13
19942.27a1.72c0.82a1.14a1.84 0.74 0.45 0.00 0.32 2.20a4.68e2.17c18.35
19952.63c1.19c2.76c2.87 1.54 2.53 0.65 0.89 1.13 2.46 3.57 2.62a24.84
19963.48e3.39a1.59 3.62 2.91 0.65 0.00 0.00 0.54 2.70 3.86e4.68b27.42
19972.98a1.55 3.13b2.53 1.34 0.99 0.73 0.02 1.17 1.92 1.36 1.52f17.72a
19982.38b1.57c1.04 0.90 2.53 0.32 0.27 0.08 0.73 0.91 2.54 1.82 15.09
19991.63 2.00 1.45 1.08 1.74 0.45 0.01 0.67 0.00 1.37 1.66 1.88b13.94
20002.45 3.23 2.80d0.96 2.93 1.73 0.09 0.00 1.50 1.70 1.08 1.56 20.03
20011.51 0.96a1.08 2.12 1.46 1.07 0.11 0.01 0.41 2.23 1.99 1.08 14.03
20021.45 1.17b1.54c0.78 1.26 1.14 0.36 0.00 0.39 0.39 1.31 2.46a12.25
20032.70 2.53 2.09 2.76 0.85 0.00 0.00 0.34 1.66 0.46 1.06 3.67a18.12
20043.12 1.48 0.64 1.83 2.92 2.02 0.10 1.46 0.38 1.10 1.91 1.04 18.00
20050.52a0.20 1.65 1.64 2.77 0.52 0.18 0.00 0.15 1.27 1.65 2.52 13.07
20063.00 1.34 2.06 2.71 1.89 1.50 0.03 0.12 0.66 0.63 3.99 2.08 20.01
20071.17j1.36 1.86 1.00 0.48 1.94 0.25 0.68 0.30 1.16 1.62 1.04a11.69a
20081.61c0.66 1.32j0.49 1.06 1.11 0.10 0.47 0.40 0.57 2.27e4.03i8.74b
20092.91 1.19h3.35i1.85 1.59 1.50 0.01 1.19 0.01 2.63 1.71d3.20 16.60b
20101.85l0.79k1.04i2.20 2.54 2.68 0.26 0.02 1.22 0.37l2.84f2.83 11.75e
20110.24l1.42j2.92f1.20g1.00d1.31h0.34b0.07 0.06 1.14d0.72g1.17g2.61g
20120.12n0.22m3.52f3.65b0.35e1.40j1.08 0.01d0.00 0.99h1.05j2.18c7.27f
20131.77 0.82 1.10 2.25 1.21 2.01 0.08 0.17 2.06 0.28 1.90 1.30 14.95
20141.29 2.00a3.41i2.51h0.63g1.00d0.10f0.51f0.05i0.85h2.38g4.74f4.29i
20152.07j1.45j1.77f1.25c2.66i0.10d0.06c0.15 1.20g0.50h3.32l3.69g1.56h
20161.81k1.61i3.75h1.03j2.01c1.06 1.28d0.24f0.94j5.89e1.55g2.71g10.24h
20171.89l3.93g3.86f3.16b1.46d1.18c0.00 0.00c1.15 1.97g3.16j4.29f6.95f
20182.90k2.17i2.60i3.25b0.93g0.66a0.00 0.15 0.00b2.31f1.84g2.34e6.40f
20193.23e4.95g1.60k3.64a3.15a0.72 0.00a0.34 1.59b1.37b0.87g1.17h14.04d
20202.89c4.30a0.92 0.70 4.21 2.37 0.07a0.04a0.78d1.87c2.82j2.47i18.15b
20211.82j2.05f0.92f0.33e0.36c0.58 0.00c0.44c0.82d1.32c3.23i2.51m3.85e
20222.20h0.55i2.58h2.66g5.26d3.65 0.31f0.78a0.15b2.00h3.62l4.01j9.84h
20231.12k1.33e2.01i2.66a0.24c0.33b0.02a0.44 0.73g2.31b2.53i2.92g7.33e
20242.68f1.72h0.81r-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
Period of Record Statistics
MEAN2.19 1.64 1.82 1.69 1.78 1.20 0.43 0.59 0.82 1.58 2.29 2.27 18.32
S.D.1.13 0.88 0.78 0.94 1.08 0.84 0.60 0.68 0.71 1.11 1.09 1.07 3.72
SKEW0.73 0.80 0.30 0.64 1.21 0.95 2.24 1.43 0.95 1.28 0.73 0.65 0.18
MAX5.37 4.30 3.68 3.88 5.67 3.65 3.16 3.23 3.31 5.89 5.62 5.06 27.42
MIN0.38 0.20 0.41 0.21 0.24 0.00 0.00 0.00 0.00 0.00 0.54 0.35 10.51
YRS62 63 60 69 71 73 74 74 72 69 62 63 53