MAYFIELD POWER PLANT, WA

Maximum of Precipitation (Inches)

(455110)

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
1980-----z-----z0.65 1.19 0.40 0.93 0.30 0.51 0.64 0.74 1.33 1.39 -----z
19810.57 1.17 1.00b0.67 0.66 0.95 0.25 0.16 0.79 2.03 1.25 1.16 2.03b
19822.06 1.53 0.94 0.50 0.43 0.38 0.44 0.54 0.91 2.54 0.75 1.82 2.54
19831.47 1.11 0.95 0.61 1.00 0.68 0.96 1.18 0.50 0.61 1.58 1.04 1.58
19842.52 1.08 1.02 0.97 1.09 1.30 0.00 0.24 0.99 0.72 1.52 0.80 2.52
19850.11 0.49 0.59 0.74 0.51 1.45 0.03 0.76 0.72 1.20 1.35 0.71 1.45
19860.98 1.83 1.24 0.57 0.91 0.78 0.39 0.07 1.36 1.22 2.74 1.06 2.74
19870.79 2.74 1.02 0.61 0.97 0.39 0.46 0.52 0.17 0.20 0.54 2.12 2.74
19881.21 0.54 1.11 0.72 0.77 0.60 0.66 0.47 0.85 0.51 1.77 1.13 1.77
19890.65 0.85 1.17 0.56 1.10 0.47 0.50 0.73 0.64 0.62 1.25 1.13 1.25
19902.05 2.12 0.72 0.70 0.59 0.88 0.41 0.45 0.10 0.86 1.41 0.86 2.12
19910.81 2.20 1.05 4.64 0.91 0.68 0.45 0.50a0.58b0.61a1.63 0.83 4.64d
19921.96a0.87 0.37 1.47 0.24 0.51 0.61 0.87 1.78 0.40 1.23 1.29b1.96c
19930.83a0.10b1.35 1.31 1.77c0.60 0.84 0.20 0.06 0.52 0.86 1.07 1.77f
19942.93 1.22 0.85 0.53 0.49 0.79 0.12 0.48 0.43 2.70 2.46 1.92 2.93
19950.84 1.29 0.71 1.02 1.03 0.50 1.27 0.74 0.83 2.54 2.11 1.16 2.54
19961.13 3.60 0.54 1.43 0.62 0.61 1.10 0.46 1.23 0.95 1.23 1.76 3.60
19971.36 0.76 1.49 2.07b0.75a3.30c1.22 0.67a0.81b2.10a1.38 1.52d3.30n
19981.53 1.00 1.71 0.81 0.93 0.48 0.19 0.04 0.26 0.88 3.33 2.73 3.33
19993.84 2.21 1.96 0.42 1.28 0.75 0.83 0.58 0.21 0.73 3.00 1.62 3.84
20001.53 0.97 1.21 0.88 0.56 1.15 0.11 0.32 0.84 2.29 2.00 0.98 2.29
20010.51 1.52 0.98 1.25 0.99 1.16 -----z0.63 0.65 0.83 2.25 2.11a-----z
20021.46 1.19 1.27 1.41 0.43 0.78 0.16 0.49 0.48 0.80 1.20 1.80a1.80a
20032.73 1.71 0.97c1.59b0.62 0.56 0.19 0.34 0.85 1.18 1.31b1.92a2.73h
20041.89a0.71b0.55 0.74 1.06 0.28 0.12 2.90 0.80 1.39 1.02 0.81 2.90c
20052.14 0.44 2.27 0.79 0.80 0.72 0.68 0.17 0.84 0.93 1.18 1.05 2.27
20061.61 0.89 0.85 0.71 0.66 0.67 0.28 0.20 0.51 1.24 4.69 1.77 4.69
20071.92 1.76 1.65 0.54 0.82 0.60 0.53 0.30 0.62 0.94 0.63 2.32 2.32
20080.98 1.12 1.00 0.50 0.40 0.67 0.29 0.60 0.23 0.68 2.21 1.58 2.21
20092.99a0.62 0.92 1.01 0.90 0.46 0.03 0.55 0.52 1.10 1.06 1.53 2.99a
20100.91 0.45 0.94 1.23 1.27 0.81 0.23 0.15a1.07 1.30 1.42 1.24 1.42a
20111.73 1.38 2.00 1.07 0.86 0.36 0.26 0.17 0.78 0.67 2.66 0.93 2.66
20121.33a2.10 1.47 1.11 1.15 0.75 0.34 0.03 0.14 1.24 1.62 1.38 2.10a
20132.06 0.60 0.78 1.30 0.76 0.78 0.03 1.16 2.00 0.72 0.67 0.94 2.06
20142.80 2.84a1.59 1.01 2.00 0.50 0.10 1.25 1.12 1.65 0.98 1.51 2.84a
20153.24 1.52 1.42 0.53 0.65 0.67 0.40 0.74 0.26 1.10 1.93 3.60 3.60
20160.81 0.80 0.88 0.62 1.00 0.80 1.20 0.78 0.76 1.80 1.57 1.09 1.80
20171.32 1.70 1.28 0.89 0.68 1.50 0.01 0.15 0.52 4.22 1.17 1.95 4.22
20181.29 1.00 2.00 0.82 0.20 0.70 0.10 0.42 0.48 1.33 0.90 1.16 2.00
20190.90 2.36 0.92 0.95 0.40 1.14 0.37 0.90 0.78 1.40 0.70 1.70 2.36
20201.57 1.80 1.00 0.54 2.02 0.77 0.34 0.36 1.98 0.93 1.56 0.64 2.02
20211.93 1.31 0.62 0.41 0.93 0.67 0.01 0.16 1.30 1.15 2.00 2.56 2.56
20221.83 1.16 3.52 2.00 1.23 1.43 0.28 0.02 0.11 1.03 1.98 1.47 3.52
20230.70 0.59 0.72 1.44 0.25 0.53 0.26 0.28 1.14 1.13 1.68 2.00 2.00
20241.16 1.22d0.95 0.41f-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN1.57 1.33 1.16 1.02 0.84 0.81 0.40 0.53 0.74 1.22 1.62 1.48 2.57
S.D.0.81 0.72 0.56 0.69 0.41 0.48 0.35 0.48 0.46 0.75 0.80 0.60 0.84
SKEW0.74 0.95 1.95 3.49 1.04 3.33 1.09 2.90 0.92 1.86 1.60 1.21 0.87
MAX3.84 3.60 3.52 4.64 2.02 3.30 1.27 2.90 2.00 4.22 4.69 3.60 4.69
MIN0.11 0.10 0.37 0.41 0.20 0.28 0.00 0.02 0.06 0.20 0.54 0.64 1.25
YRS44 44 45 44 44 44 43 44 44 44 44 44 39