MAYFIELD POWER PLANT, WA

Total of Precipitation (Inches)

(455110)

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
1980-----z-----z5.45 4.66 1.28 3.57 0.57 1.22 2.71 1.38 10.12 10.61 41.57b
19812.75 7.34 3.52b6.75 4.16 6.93 1.15 0.17 4.05 6.91 6.35 9.76 59.84
198210.92 9.28 5.69 4.12 1.72 1.57 1.56 1.30 3.60 7.36 5.25 9.39 61.76
19838.55 6.35 7.35 3.06 3.72 4.19 3.73 2.17 2.40 1.94 13.79 5.88 63.13
19848.10 5.23 7.83 6.08 7.28 5.44 0.00 0.54 2.32 6.11 11.81 5.57 66.31
19850.40 4.54 4.16 4.07 2.06 2.93 0.05 2.46 3.71 7.27 6.63 1.98 40.26
19867.65 7.71 5.40 4.19 4.06 1.80 1.66 0.14 3.86 3.32 11.28 5.49 56.56
19877.21 5.74 8.10 2.84 3.71 0.91 1.82 1.04 0.25 0.25 4.46 8.16 44.49
19885.55 2.95 8.20 4.63 5.48 1.77 1.90 0.97 2.73 1.76 13.60 4.77 54.31
19895.79 4.26 9.08 2.53 4.18 1.55 0.87 1.22 0.84 3.06 8.32 4.10 45.80
199012.78 8.20 3.77 5.13 3.57 4.12 1.08 1.61 0.28 8.52 9.83 5.91 64.80
19914.68 6.72 5.92 9.87 4.28 3.12 0.49 1.44a0.58b2.47a10.21 5.79 55.57
19927.61a4.96 1.40 6.66 0.70 1.32 0.80 0.95 3.35 1.42 7.65 5.59b42.41
19932.79a0.17b4.66 8.77 5.09c3.77 3.12 0.57 0.09 2.63 3.40 6.23 41.29
19948.26 6.78 4.75 3.90 1.70 3.63 0.22 0.70 1.57 7.03 9.17 9.09 56.80
19954.88 4.55 5.13 6.55 2.74 2.28 1.52 2.06 2.50 8.33 14.22 8.93 63.69
19969.19 12.69 2.96 9.38 4.78 1.68 1.64 1.05 3.48 7.49 8.86 15.14 78.34
199710.39 5.17 8.97 5.85b3.98a6.87c2.15 2.20a3.92b8.79a5.82 7.19d71.30
19989.89 3.97 6.81 3.15 4.48 2.52 0.23 0.07 0.54 4.72 12.58 11.27 60.23
199910.49 8.74 8.00 2.38 5.54 3.12 1.50 1.89 0.53 3.09 11.98 7.42 64.68
20007.41 5.36 5.09 3.24 4.37 2.17 0.14 0.43 1.70 5.65 3.35 3.22 42.13
20012.89 2.96 4.67 5.12 3.34 4.83 -----z1.21 1.49 5.06 9.73 10.33a51.63a
20028.47 5.16 6.34 5.02 2.57 1.83 0.30 0.60 1.21 1.87 4.30 8.09a45.76
20038.64 4.36 7.18c6.73b1.90 0.80 0.35 0.52 2.20 5.17 6.61b9.70a54.16
20049.87a3.28b3.48 1.77 5.54 1.20 0.23 6.49 4.42 5.45 4.34 4.49 50.56
20053.83 1.62 6.16 5.95 5.46 3.74 1.39 0.33 1.17 5.93 8.84 8.26 52.68
200615.28 5.22 3.37 4.24 3.72 2.14 0.49 0.51 1.84 3.06 19.88 7.71 67.46
20077.11 6.31 7.13 3.47 2.45 1.83 1.55 0.60 1.50 6.19 4.43 12.25 54.82
20085.89 5.38 7.23 3.79 2.49 2.60 0.61 2.83 0.46 2.34 8.37 7.92 49.91
20099.80a2.08 6.13 5.09 4.79 0.83 0.09 1.31 2.44 7.29 10.58 4.77 55.20
20107.32 4.12 6.36 5.91 6.53 5.69 0.36 0.29a4.06 6.38 9.22 9.58 65.82
201111.71 5.06 10.77 7.18 5.66 1.80 1.29 0.17 2.34 3.50 10.30 4.39 64.17
20127.28a8.88 10.98 6.33 4.70 5.35 1.08 0.04 0.21 7.47 7.64 11.21 71.17
20137.51 3.31 4.32 6.83 4.70 2.60 0.03 2.32 9.30 2.73 3.59 5.09 52.33
20148.86 8.37a10.00 6.28 5.91 2.03 0.32 1.46 2.85 6.82 7.46 7.43 67.79
20158.11 4.78 4.70 3.23 1.88 1.24 1.00 1.43 1.41 4.16 10.82 16.76 59.52
20168.31 7.03 9.43 3.03 2.43 3.56 2.17 1.05 3.31 12.44 9.61 6.71 69.08
20174.24 11.23 11.42 7.16 3.83 3.48 0.01 0.26 1.68 9.63 11.28 8.40 72.62
201810.47 7.12 5.93 7.88 0.47 2.40 0.25 1.27 1.97 5.28 5.94 7.91 56.89
20193.45 6.63 2.24 5.24 2.17 1.64 1.35 2.00 4.68 4.78 2.42 8.28 44.88
202013.95 10.15 5.59 2.74 5.89 3.88 1.20 0.80 3.17 4.44 9.19 5.61 66.61
20218.07 8.96 3.28 1.48 3.11 2.55 0.01 0.34 4.59 7.97 12.68 14.62 67.66
20229.89 4.07 9.76 9.11 8.52 4.79 0.36 0.13 0.12 5.17 9.10 8.22 69.24
20235.68 3.51 5.55 7.81 0.66 1.29 0.32 0.62 4.95 3.91 8.84 15.33 58.47
20249.77 4.48d4.36c-----z-----z-----z-----z-----z-----z-----z-----z-----z18.61i
Period of Record Statistics
MEAN7.77 5.79 6.19 5.21 3.81 2.89 0.95 1.15 2.42 5.15 8.72 8.06 58.35
S.D.3.07 2.55 2.40 2.10 1.80 1.57 0.86 1.10 1.76 2.59 3.52 3.28 9.75
SKEW-0.04 0.47 0.36 0.32 0.20 0.87 1.15 2.73 1.28 0.34 0.49 0.78 -0.20
MAX15.28 12.69 11.42 9.87 8.52 6.93 3.73 6.49 9.30 12.44 19.88 16.76 78.34
MIN0.40 0.17 1.40 1.48 0.47 0.80 0.00 0.04 0.09 0.25 2.42 1.98 40.26
YRS44 44 45 44 44 44 43 44 44 44 44 44 42