SEATTLE UNIV OF WASHINGT, WA

Maximum of Precipitation (Inches)

(457478)

File last updated on April 26, 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
19091.23o0.88b0.25p0.25 0.35n0.40 0.14 0.16 0.67u0.59s1.85g1.20t-----z
19101.07j1.00 0.56p0.53q0.85 0.33 0.11 0.36 -----z0.96j1.73i0.58j-----z
19110.70e0.23m0.25w0.71 0.48 0.26v-----z0.06 0.88s0.48t0.71a0.98h-----z
19120.86j0.71l0.62t0.54l1.07u0.78s0.48u0.51y0.79x0.82n0.88i0.97j-----z
19130.84h0.58s0.27l0.38v0.40o0.34n0.09w-----z1.17t0.65 0.68 0.57d-----z
19141.90 0.52f0.41r0.87 0.26u0.59u0.01 0.00 1.21 0.80p1.17 0.49t-----z
19151.79l0.76j0.80l1.80o1.40 0.30u0.12 0.00 0.25w0.80h0.88 0.92c-----z
19161.36l1.25l0.83g0.55k0.38s0.70o1.37u0.05y0.45 0.39q1.05g0.78h-----z
19170.36j1.14d0.45h0.57 0.55o1.13q0.06 0.01 0.36s0.00 0.18v1.86 -----z
19180.58n1.50 0.66 0.62 -----z0.02 1.05y0.33u0.09 1.14j0.76m1.11n-----z
19191.52 0.54 0.30 0.55 0.60 -----z-----z-----z1.07x0.50 1.35e1.25q-----z
19200.96 0.19 1.35 0.59 0.49 0.50 1.40 0.68 0.50m-----z1.48 1.16e-----z
19210.72f0.74 1.32 0.45 1.13r0.34j0.30 0.50 0.56 0.71 2.42b2.77j-----z
19220.39 0.60 3.50 0.54 0.35 0.02 0.00 0.50s0.45w0.42n0.52m1.36d-----z
19231.17k1.33a0.29l0.25 0.58 0.57 0.35 1.30 0.91 0.79 0.45 1.00 1.33x
19240.87 1.90 0.21 0.41 0.30 0.42 0.20 -----z1.36w0.87 0.92 1.79 -----z
19250.72 0.83 0.40 0.64 1.12 0.29 0.06 0.82 0.51 0.15 0.81 0.98 1.12
19260.82 0.52 0.20 0.26 0.63 0.28 0.02 0.72 0.32 1.07l0.79j0.80 1.07v
19271.22m0.70 0.57 0.48 0.55 0.22 0.74 0.92 0.69 1.30 0.57 0.45 1.30m
19281.30 0.36 0.67 0.50 0.17 0.48v0.12 -----z0.42 0.49 0.58 1.02o-----z
19290.50 0.56 1.00h0.38 0.55 0.54 0.03 0.88 0.16 0.56 0.38 1.01 1.01h
19300.61b0.55 0.53 0.39 1.00 1.00 0.00 0.01 0.70 0.94 0.62 0.45 1.00b
19311.45 0.81 0.62 -----z-----z0.92 0.09 0.01 1.62 0.93 0.63 1.00 -----z
19321.02m0.82 0.62 0.74 0.19 0.16 0.78 0.35 0.13 0.98 2.03 1.39 2.03m
19330.74 0.79 0.89 0.53 0.91 0.73 0.65 1.22 0.83 0.86 2.27 1.57 2.27
19341.42 0.49 0.63 0.78 0.97 0.18 0.61 0.23 0.72 0.65 1.25 0.77 1.42
19351.69k0.45 0.88 0.54 0.53 0.87 0.30 0.29 0.77 1.60 0.42 0.59 1.69k
19361.37 0.91 0.37 0.24 0.60 0.87 0.26 0.12 0.65 0.50 0.45 1.23 1.37
19370.35 1.44 0.68 1.12 0.40 0.60 0.13 0.61 1.10 0.70 1.77 2.55 2.55
19381.30 0.51 0.55 0.52 0.44 0.57 0.05 0.15 0.15 0.63 0.60 0.69 1.30
19391.50 1.05 0.70 0.04 0.46 0.34 0.21 0.18 0.51 0.61 0.60 1.30 1.50
19401.00 1.35 0.75 1.05 1.07 0.58 0.46 0.09 1.15 1.57 0.58 1.31 1.57
19411.10 0.53 0.40 0.72 1.00 0.25 0.24 0.48 0.94l0.95 1.04 1.51 1.51l
19420.74 0.89 0.73 0.77 0.55 0.52 0.21 0.44 0.15 0.99q1.86 0.82 1.86q
19432.14c0.69 1.62 0.54 0.33 0.53 0.22 0.66 0.06 1.45 0.60 0.88 2.14c
19440.64 0.53 0.37 0.80 0.74 0.71 0.25 0.12 0.39 0.45 0.95 0.23 0.95
19450.50 1.39 0.74 0.65 0.65 0.18 0.16 0.30 1.02 0.67 0.72 1.00 1.39
19461.22 1.05 0.53 0.50 0.30 0.80 0.42 0.09 0.58 0.76 0.46s0.99 1.22s
19470.87 -----z0.46 0.55 0.67 0.56 0.42 0.60 -----z-----z1.03 1.09 -----z
19481.31 0.93 1.09 0.42 1.36 0.76 0.60 0.35 1.40 0.75 1.19 0.68 1.40
19490.76 1.31 0.90 0.25 0.57 0.10 0.28 0.25 0.83 1.04 1.39 0.64 1.39
19501.72 1.03 1.80 0.86 0.36 0.10 0.56 0.68 0.91 0.87 1.57 0.77 1.80
19511.21 1.92 0.61 0.27 0.48 0.19 0.13 0.58 0.56 0.61 0.77 1.14 1.92
19521.03 0.45 0.37 0.47 0.14 0.84e0.46 0.40 0.33 0.93 1.35a0.64 1.35f
19531.42 0.31 0.51 0.39 0.35 0.53 0.60 0.25 1.81 1.25 0.52 0.62 1.81
19541.17 0.77 1.11 0.46 0.12c0.91 0.34 0.21 0.38 0.31 1.17 1.15 1.17c
19550.42 0.88 0.33 0.58 0.56 0.59 0.57 0.00 0.48 1.01 1.05 1.59 1.59
19561.18 0.66 0.56 0.33 0.35 0.65 0.14 0.44 0.80 0.64 0.59 1.72 1.72
19570.57 1.14a0.72 0.47 0.57 0.60 -----z-----z0.36 1.16i0.64d1.07 -----z
1958-----z1.01 0.36 0.93 0.32 0.37 0.00 0.07c0.37 2.00 0.82d-----z-----z
19591.65i0.82b0.49 0.90 0.55 1.26 1.41c0.01 1.39 0.56 2.46 2.23 2.46n
19601.46 1.25 0.93 0.54 0.60 0.93b0.00 0.85b0.67b1.70c2.54d1.39j2.54w
19611.40b1.50 1.23 0.38b1.05e0.23a0.00c0.27a0.64c0.59b0.75c1.92k-----z
19620.68 0.29 0.73e0.70 0.33 0.25a0.75 0.13e0.74a1.10 2.00 0.71d2.00p
19630.48 1.15 0.67c0.40 0.65b0.78b1.80a4.00b0.45 0.93b1.30a1.02e4.00r
1964-----z-----z0.77 0.64 0.60 0.95 -----z-----z1.16 0.33 1.37i1.38 -----z
19650.89 0.95 0.18 1.62 0.58 0.25 0.30 0.96 0.26 0.50 0.84 1.50 1.62
19661.88 0.58 0.82 0.58 0.36 0.32 0.64 0.15 0.66 0.98 1.60 1.42 1.88
19671.30 0.57 0.51 1.20 0.19 0.92 0.03 0.00 0.52 0.94 0.47 1.02 1.30
19681.28 1.25 0.85 0.54 0.69 1.15 0.20 1.03 0.79 0.68 0.86 1.52 1.52
19690.65 0.98 0.68 0.66 1.06 0.65 0.10 0.09 1.42 0.70 0.90 0.93 1.42
19701.53 0.92 1.25 0.84 0.66 0.16 0.30 0.35 0.60 0.65 0.65 1.54 1.54
19711.32 0.74 0.88 1.10 0.34 0.70 0.77 0.34 1.33 0.75 0.90 0.64 1.33
19721.10 1.51 2.15 0.84 0.19 0.92 0.20 0.60 1.78 0.20 0.72 1.51 2.15
19730.87 0.72 0.50 0.38 0.80 0.94 0.09 0.35 0.55 1.23 1.68 1.00 1.68
19740.90 1.10 0.75 0.52 0.25 0.32 0.65 0.11 0.13 0.65 1.05 2.05 2.05
19750.90 1.05 1.60 0.60 0.68 0.31 0.03 0.78 0.03 1.08 1.35 1.45 1.60
19760.74 0.65 0.73 0.52 0.34 0.36 0.55 0.80 0.65 0.50 0.10 0.56 0.80
19770.62 0.45 0.96 0.45 0.58 0.55 0.18 1.16 0.54 0.55 1.00b0.87 1.16b
19781.12 0.60 0.75 1.15 0.63 0.42 0.70 0.36 1.17 1.08 1.42b0.38 1.42b
19790.56 0.95 0.30 0.51 0.23 0.15 -----z-----z0.70 0.83 0.73 1.75 -----z
19801.30 1.50 0.46 0.76 0.41 0.65 0.13 1.28 0.32 0.42 1.55 1.30 1.55
19810.55 1.90 0.58 0.50 0.80 0.33 0.83 0.15 0.78 3.20 1.00 1.20 3.20
19820.82 0.85 0.67 0.70 0.26a0.50 0.27 0.33 0.50 0.98 1.31 2.00 2.00a
19832.00 0.78 0.55 0.49 0.50 0.80 0.26 -----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN1.05 0.90 0.77 0.60 0.57 0.53 0.35 0.47 0.69 0.85 1.06 1.14 1.61
S.D.0.43 0.39 0.52 0.26 0.29 0.29 0.36 0.57 0.42 0.48 0.55 0.48 0.46
SKEW0.47 0.68 2.82 1.12 0.85 0.28 1.86 3.87 0.79 2.17 0.96 0.59 1.17
MAX2.14 1.92 3.50 1.62 1.40 1.26 1.80 4.00 1.81 3.20 2.54 2.55 3.20
MIN0.35 0.19 0.18 0.04 0.12 0.02 0.00 0.00 0.03 0.00 0.10 0.23 0.80
YRS59 67 64 69 66 65 66 63 61 60 64 61 37