SPOKANE, WA

Maximum of Precipitation (Inches)

(457933)

File last updated on July 16, 2019
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
1953-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.48r0.39 -----z
19541.02 0.60 0.30 0.21 0.28 0.52 0.66 0.49 0.76 0.44 0.40 0.43 1.02
19550.37 0.29 0.25 0.41 0.22 0.42b0.45 0.00 0.36 0.86 -----z0.35h-----z
19560.69a0.36 0.27 0.12 0.44 0.55 0.05 0.95a0.13 0.76 0.05 0.38 0.95b
19570.28 0.77a0.44c0.49 1.72a1.01 0.01 0.12 0.30 0.39b0.43 0.32 1.72g
19580.80 0.74 0.30 0.37 0.43 0.53 0.52 0.06 0.26b0.62a1.26b1.09d1.26i
19591.40 0.38 0.60a0.18 0.70 0.24 0.03 0.59 0.60a0.52 0.88 0.39 1.40b
19600.26b0.82a0.55b0.37 0.79 0.10 0.00 0.18 0.56 0.25 1.51b0.75e1.51l
19610.66 0.88e0.61a0.53b0.54a0.63 -----z0.11 0.09 0.30 0.55 0.89c-----z
19620.46a0.50b1.12a1.05 0.40a0.90 0.03 0.34 0.72 0.68 1.01 0.76 1.12e
19630.08 1.18 0.48 0.63 0.54b0.55a0.49 0.38 0.25 0.42 0.74 0.54 1.18c
19640.49a0.29 0.47 0.51 0.27 2.58a0.16 0.64a0.68 0.13 0.65 1.17 2.58c
19650.50 0.26 0.12 0.76a0.55 0.30 0.81 0.73 0.17 0.02 0.65a0.80a0.81c
19660.60 0.25 0.85b0.07 0.27 0.49 0.76 0.11 0.63 0.17 1.30 0.57 1.30b
19671.00 0.15 0.34 0.52 0.70 0.87 0.08 0.00 0.13 -----z0.68 0.70 -----z
19680.51c0.92a0.70b0.08 1.07 0.39 0.24 0.76 0.35 1.03 1.81 0.95c1.81i
19691.00 0.57 0.35 0.63 0.32 0.46 0.01 0.00 0.46 0.25 0.30 0.65a1.00a
19700.74 1.12 0.45 0.30a0.39a1.25a0.24a0.04 0.26b0.49a0.51 0.48c1.25j
19711.07 0.36a0.86 1.24a0.51 0.71 0.46 0.52 0.35 0.38 0.41 0.66 1.24b
1972-----z0.22 0.50 0.42 0.52 0.39 0.32 0.38 0.43 0.11 0.38b0.58 -----z
19730.57 0.16 0.36 0.19 0.60 0.19 0.00 0.20 0.70 0.29c1.07c0.91c1.07i
19740.91 0.98b0.92 0.18 0.60 0.23 0.51 0.10 0.12 0.00 0.76 0.84 0.98b
19750.65 0.57 0.55c0.52 0.45 0.38 0.79 0.55 0.03 0.79a0.60 1.37 1.37d
19760.69 1.28 0.54 0.54 0.38a0.31 0.49 1.08a0.01 0.25 0.35 3.40 3.40b
19770.21 0.32 0.35 0.12 0.64 0.65 0.17 0.20 0.49 0.34 1.19c0.98 1.19c
19780.46 0.32a0.22 0.77 1.04 0.53 0.81 0.75 0.75 0.12 0.42 0.77 1.04a
19790.54 0.55a0.44 0.30 0.63 0.58a0.02a0.60 0.76b0.70 0.60b1.70 1.70g
19800.92 0.39 0.35 0.38 0.80a0.54 0.12a0.58 0.50 0.19a0.59a0.85a0.92e
19810.64 0.47a0.73 0.40 0.61a0.81 0.08 0.02a0.39 0.56 0.01x0.99 -----z
19820.40n0.50n0.61i1.05c0.11j0.71 0.26a0.12 0.81 0.48 0.41c0.75k-----z
19830.39b0.42 0.60 0.30a0.35 0.54 0.56b0.30 0.49 0.47 -----z-----z-----z
Period of Record Statistics
MEAN0.64 0.56 0.50 0.45 0.58 0.61 0.31 0.36 0.42 0.41 0.72 0.87 1.39
S.D.0.30 0.32 0.23 0.29 0.30 0.45 0.28 0.31 0.24 0.26 0.41 0.59 0.72
SKEW0.43 0.77 0.80 0.98 1.99 2.95 0.46 0.57 -0.00 0.46 0.94 3.02 2.01
MAX1.40 1.28 1.12 1.24 1.72 2.58 0.81 1.08 0.81 1.03 1.81 3.40 3.40
MIN0.08 0.15 0.12 0.07 0.22 0.10 0.00 0.00 0.01 0.00 0.05 0.32 0.81
YRS28 29 29 30 29 30 29 30 30 29 27 28 14