MILL CREEK, WA

Maximum of Precipitation (Inches)

(455377)

File last updated on March 28, 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
1915-----z-----z-----z-----z-----z-----z-----z-----z-----z0.51 1.41 0.88 -----z
19161.28 1.25 1.67 0.95 0.71 1.44 0.90 0.47 0.62 0.72 1.23 1.27 1.67
19170.93 0.40 0.30 0.96 0.78 0.60 0.00 0.00 1.20 0.14 0.88 2.00 2.00
19181.47 0.85 0.90 0.60 1.45 0.17 1.00 0.52 0.39 0.99 0.88 1.27 1.47
19190.94 0.71 0.93 1.32 1.00 0.07 0.11 0.10 0.82 1.52a1.76 0.80 1.76a
19202.40 0.49 1.17 1.20 0.93 0.70 0.40 0.86 1.05 1.12 2.04 2.38 2.40
19211.38 0.80 4.22 0.98 0.39 0.24 0.39 0.13 2.68 0.52 1.10 1.05 4.22
19220.50 0.92a0.85 0.85 0.54 1.00 0.29 1.04 0.46 1.10 1.74 0.70a1.74b
19231.60 0.90 0.60 0.56 0.68 3.58 0.13 0.73 0.27 1.76 1.16 1.84 3.58
19240.76 0.72 0.84 0.52 0.19 0.94 0.69 0.85 0.98 0.88 1.21 1.12 1.21
19250.63 0.87 0.74 0.52 1.54 0.37 0.02 0.55 0.42 0.35 0.58 1.43 1.54
19260.93 2.51 0.52 0.58 0.84 1.90 0.04 1.45 1.00 1.28 1.82 0.58 2.51
19271.28 0.68 0.94 0.96 0.77 1.18 0.00 0.29 2.61 0.97 1.91 0.54 2.61
19282.23 0.24 1.70 1.91 0.06 0.42 0.68 0.08 1.41 0.69 0.62 0.93 2.23
19291.67 0.28 0.55 0.61 0.40 1.24 0.00 0.15 0.37 1.20 0.48 0.90a1.67a
19300.71 1.53 1.24 0.49 1.68 0.64 0.00 0.11 0.87 1.36 0.81 0.67 1.68
19310.96b0.57a3.81 1.11 0.38 1.73 0.00 0.03 0.36 1.28 1.11 1.15 3.81c
19321.39 0.68 1.95 0.70 0.69 0.21 0.52 0.06 0.37 1.10 1.28 0.90 1.95
19331.03 0.64 0.58a0.59 1.36 0.59 0.03 0.48 1.32 1.57 1.36 2.40 2.40a
19340.74 0.42 1.38 0.67 0.78 0.84a0.11 0.27 0.76 0.85 1.14 0.94 1.38a
19350.94 0.56 1.20 1.09 0.27 0.65 0.21 0.90 0.39 1.21 0.24 1.02 1.21
19361.51 1.02 0.51 0.27 1.05 0.93 0.16 0.21 0.79 0.08 0.11 0.78 1.51
19370.68 0.70 1.00 1.08 1.06 0.96 0.07 0.11 0.68 1.23 1.01 1.04 1.23
19380.68 1.41 0.84 1.16 1.02 0.98 0.02 0.00 0.20 1.50 1.26 0.54 1.50
19390.60 1.64 1.29 0.38 0.40 0.49 0.53 0.10 0.26 0.91 0.35 0.92 1.64
19400.54 1.52 1.05 1.69 0.66 0.48 1.76 0.00 1.00 1.50 1.09 1.04 1.76
19410.70 0.34 0.66 0.35 1.51 1.55 0.48 0.25 0.90 1.31 1.64 1.00 1.64
1942-----z-----z1.96e0.85 1.45 1.61 0.62 0.54 0.13 1.65 1.56 1.51 -----z
19430.70 1.12 1.33 1.60 1.25 0.40 0.17 0.42 0.00 2.36 1.38 0.88 2.36
19440.62 0.98 0.63 1.18 0.43 0.58 0.15 0.11 0.90 0.56 0.98 0.48 1.18
19451.10 1.60 1.00 2.10 0.71 0.65 0.15 0.25 1.08 0.70 0.61 1.42 2.10
19461.64 0.99 2.39 0.99 1.17 1.61 -----z0.30 0.57 0.92 1.12 1.35 -----z
19471.12 0.31 0.91 0.93 0.40 1.88 0.20 0.26 0.70 1.09 1.18 0.83 1.88
19481.61 1.41 -----z0.74 2.33 0.43 -----z0.11 0.42 1.41 1.39 1.35 -----z
19490.55 0.93 0.61 0.59 0.80 0.36 0.06 0.19 1.09 1.75 0.80 0.70 1.75
19500.71 1.51 1.03 0.66 0.84 2.30 0.09 0.40 0.65 1.18 1.71 1.04 2.30
19511.37 0.53 1.09 0.83 0.37 2.04 0.23 0.14 0.89 2.03 0.93 0.97 2.04
19520.45 0.84 0.89 1.71 0.86 1.18 0.42 0.00 0.44 0.15 0.38 0.82 1.71
19532.31 2.07 0.96 1.59 1.19 0.54 0.00 0.50 0.45 0.91 1.94 1.16 2.31
19541.63 0.45 0.75 1.41 0.86 1.87 0.27 1.17 0.38 0.78 1.03 1.67 1.87
19550.50 0.39 0.94 0.99 0.87 0.43 0.55 0.00 0.85 1.77 1.60 1.09 1.77
19561.36 0.77 0.84 0.19 1.78 0.39 0.14 0.86 0.55 1.09 0.72 1.97 1.97
19570.50 1.30 1.29 0.75 1.28 0.40 0.01 0.36 0.30 2.13 1.55 1.27 2.13
19581.19 1.98 0.62 1.23 0.62 0.78 0.08 0.07 0.44 0.73 2.67 1.41 2.67
19591.42 0.61 1.07 0.72 1.03 0.78 0.45 0.56 0.98 1.10 0.80 0.60 1.42
19600.70 1.11 1.52 1.13 1.09 0.53 0.06 0.83 0.89 0.80 1.50 0.78 1.52
19610.60 1.90 2.18 1.12 0.76 0.43 0.10 0.54 0.74 1.61 0.96 1.55 2.18
19620.82 0.60 0.92 1.72 0.74 0.41 0.01 0.43 1.60 1.47 1.12 1.23 1.72
19630.50 0.68 1.12 0.88 0.22 0.73 -----z0.20 0.50 0.42 2.24 0.62 -----z
19641.05 0.49 0.65 1.51 0.34 0.51 0.49 0.42 0.60 0.53 2.55 2.06 2.55
19652.23 0.91 0.27 1.32 1.12 2.70 0.55 1.02 0.92 1.04 0.64 0.25 2.70
19661.77 0.89 1.24 0.45 1.17 0.93 1.80 0.40 0.78 1.08 1.01 1.75 1.80
19671.60 0.40 1.21 0.95 1.32 0.40 0.00 0.00 0.81 0.93 0.90 1.57 1.60
19680.67 1.80 1.26 0.85 0.69 0.48 0.41 1.15 1.14 1.22 1.43 1.51 1.80
19691.65 0.60h-----z-----z-----z-----z-----z0.00 1.07 1.89 1.50 2.02 -----z
19702.28 1.71 1.22 2.39 0.50 0.90 0.31 0.01 1.49 0.95 1.25 0.88 2.39
19711.85 0.62 1.27 0.62 0.95 0.84 0.82 0.19 1.19 0.82 1.13 2.16 2.16
19721.75 0.90 2.01 0.85 1.29 0.78 0.50 0.44 1.55 0.25 0.71a-----z-----z
19730.80 1.02 1.22 1.20 -----z-----z-----z0.73 1.10 -----z-----z-----z-----z
Period of Record Statistics
MEAN1.15 0.95 1.18 0.99 0.89 0.92 0.32 0.39 0.82 1.09 1.20 1.18 2.00
S.D.0.54 0.51 0.71 0.46 0.45 0.68 0.39 0.35 0.51 0.50 0.53 0.50 0.62
SKEW0.64 0.93 2.41 0.83 0.62 1.65 2.11 1.00 1.57 0.19 0.49 0.69 1.58
MAX2.40 2.51 4.22 2.39 2.33 3.58 1.80 1.45 2.68 2.36 2.67 2.40 4.22
MIN0.45 0.24 0.27 0.19 0.06 0.07 0.00 0.00 0.00 0.08 0.11 0.25 1.18
YRS57 56 56 57 56 56 53 58 58 58 58 57 51