SILVERTON, OR

Maximum of Precipitation (Inches)

(357823)

File last updated on April 25, 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
1962-----z-----z-----z-----z-----z-----z-----z-----z0.78 1.20 2.57 0.60 -----z
19630.69 0.96 2.04 0.66 1.64 0.39 0.23 0.21 0.64 1.10 1.00 0.78 2.04
19641.25 0.19 0.52 0.30 0.14 0.88 0.35 0.18 0.75 0.68 1.07 2.00 2.00
19651.73 0.82 0.45 0.95 0.56 0.27 0.21 0.55 0.05 1.10 1.10 2.00 2.00
19661.81 0.45 1.67 0.72 0.66 0.19 0.47 0.22 0.73 0.59 1.27 1.47 1.81
19671.54 0.58 0.59 0.50 0.73 0.15 0.00 0.00 0.46 1.34 0.80 1.02 1.54
19680.79 2.39 0.70 0.44 0.74 0.64 0.19 1.20 1.13 1.15 1.28 2.08 2.39
19691.60 1.05 0.73 0.73 0.35 0.87 0.17 0.03 1.63 0.73 2.08 2.23 2.23
19702.00 1.69 0.60 0.70 0.50 0.21 0.03 0.03 1.25 0.76 1.30 1.80 2.00
19711.05 0.74 1.00 1.90 1.14 1.47 0.36 0.61 1.28 0.65 1.53 0.85 1.90
19722.21 0.78 1.08 0.69 2.35 0.34 0.49 0.33 1.17 0.37 0.57 1.76 2.35
19731.08 0.66 0.78 0.50 0.72 0.64 0.08 0.50 0.72 0.80 2.03 1.53 2.03
19742.35 0.94 1.55 0.47 0.70 0.22 0.61 0.03 0.33 0.91 1.58 1.60 2.35
19751.46 0.59 0.92 0.51 1.06 0.36 0.34 0.74 0.00 1.25 0.82 1.98 1.98
19761.09 1.66 0.88 0.55 0.49 0.20 0.52 0.80 0.75 0.71 0.55 0.75 1.66
19770.48 0.70 0.80 0.37 0.79 0.90 0.50 1.41 0.64 0.50 1.77 1.66 1.77
19781.27 0.56 0.60 0.94 1.10 0.54 0.48 0.73 0.54 0.62 1.19 1.04 1.27
19791.21 1.18 0.79 0.50 0.72 0.50 0.34 0.40 0.71 1.68 1.00 1.85 1.85
19801.33 0.67 1.30 0.76 0.52 0.46 0.22 0.16 0.56 0.35 1.23 1.83 1.83
19810.38 0.67 1.18 0.66 0.55 0.90 0.03 0.03 1.55 1.12 0.88 1.63 1.63
19821.01a1.49 0.69 0.73 0.42 0.47 0.49 0.30 0.99 0.53a1.32 1.65 1.65b
19831.95 2.25 1.57 0.61 0.88 0.96 0.94 1.28 0.40 0.92 1.88 1.35d2.25d
19840.64 1.55 0.97 1.21 0.74 1.45 0.20 0.05 0.98 0.82 2.40 1.39 2.40
19850.22 -----z0.88 0.29 0.45 1.73 0.41 0.42 0.68 0.72 1.81 0.81b-----z
19860.75 1.70 0.77 0.47 0.69 0.13 0.75 0.08 0.80 0.57 1.20 0.69 1.70
19870.92 -----z0.64 0.54 0.60 0.35 1.97 0.18 0.23 0.20 0.91 3.06a-----z
19881.25 0.42 1.00 1.50 0.47 0.81 0.19 0.03 0.98 0.11 1.24 1.50 1.50
19890.90 0.90 1.05 0.51 0.80 0.54 0.32 1.46 1.08 0.67 1.30 2.12 2.12
19901.25 0.93 -----z0.82 0.67 0.52 0.46 0.82 0.45 1.60 1.30 1.02a-----z
19910.61 0.90 0.97 1.01 2.25 0.97 0.23a0.46 0.31 0.90 1.44 0.92 2.25a
19920.74 1.25 0.54 0.88a0.12 0.68a0.20 0.35 0.47 1.24 1.03 1.67 1.67b
19931.30a0.77 1.50 1.02 0.63 0.85 0.28 0.51 0.04 0.52 0.37a1.35 1.50b
19941.73 1.24 0.60 0.62 0.54 0.71 0.03 0.00 0.43 3.10 3.22 1.10 3.22
19951.30 1.26a0.63 0.75 0.53 0.74 0.38 0.63 0.70 2.56 1.31 1.64 2.56a
19961.50 2.85 1.75 1.00 0.69 0.35 0.38 0.21 1.25 0.99 3.72 1.67 3.72
19972.44 0.53 1.19 0.76 0.71 0.74 0.72 0.52 0.89 0.95 0.73 1.42 2.44
19981.38 1.30 2.05 0.47 0.72 0.46 0.16 0.00 0.71 0.70 1.60 1.82 2.05
19991.26 1.70 0.86 0.28 0.55 0.45 0.21 0.15 0.03 1.15 2.26 0.90 2.26
20000.96 0.76 0.84 0.58 0.63 0.33 0.07 0.07 0.27 0.83 0.95 0.72 0.96
20010.36 0.37 0.82 0.40 0.68 0.66 0.48 0.71 0.58 0.92 0.88 1.00 1.00
20021.64 1.17 1.40 0.70 0.28 1.11 0.05 0.11 0.69 0.48 0.93 1.72 1.72
20031.47 1.50 1.44 0.87 0.73 0.31 0.00 0.29 0.65 0.55 1.55 1.70 1.70
20040.98 0.83 0.40 0.39 0.34 1.43 0.19 0.48 0.58 0.73 1.27 0.99 1.43
20050.59 0.21 1.63 0.78 0.74 0.74 0.24 0.00 0.21 1.53 1.26 1.62 1.63
20061.50 1.13 0.67 0.60 -----z0.65 0.12 0.13 0.35 0.89 3.43 1.32 -----z
20072.15 1.28 1.02 0.64 0.51 0.43 0.31 0.46 0.97 0.84 1.37 1.37 2.15
20081.59 0.69 0.71 0.67 0.28 0.70 0.05 0.46 0.29 0.49 0.99 0.65 1.59
20091.96 0.68 0.68 0.56 0.72 0.42 0.50 0.21 0.47 0.74 1.46 0.95 1.96
20101.00 0.56 1.05 0.87 0.70 1.10 0.10 0.09 0.95 1.03 1.42 1.70 1.70
20111.41 0.71 1.86 0.84 0.87 0.22 0.52 0.18 0.30 0.41 0.93 1.22 1.86
20122.30 0.65 1.58 0.73 0.62 0.72 0.32 0.05 0.10 1.53 2.57 0.95 2.57
20130.73a0.67 1.05 0.74 0.50 0.32 0.06 0.24 2.02 0.65 0.85 1.09 2.02a
20140.61 0.87a1.00 0.64 0.80 0.39 0.21 0.15 1.07 1.88 0.93 1.05 1.88a
20151.72 0.72 1.76 0.75 0.41 0.41 0.07 0.48 0.47 0.89 1.53 2.20 2.20
20160.93 0.62 0.83 0.59 0.40 0.99 0.42 0.10 0.72 1.92 1.87 0.72 1.92
20172.30 1.80 1.18 0.85 0.59 0.33 0.00 0.11 0.76 1.87 0.96 0.75 2.30
20180.73 0.30 0.84 1.66 0.16 0.55 0.03 0.03 0.20 0.89 0.84 1.32 1.66
20190.91 0.95 0.42 1.29 0.62 0.46 0.57 0.87 0.88 1.04 0.25 0.69 1.29
20201.14 0.77 0.60 0.25 0.78 0.45 0.07 0.05 1.75 0.82 1.05 2.04 2.04
20211.23 0.89 0.70 0.15 0.30 0.63 0.00 0.05 1.08 0.74 1.20 1.80 1.80
20221.60 1.31 0.85 0.88 0.66 0.90 0.35 0.01 0.16 1.13 1.64 1.58 1.64
20230.41 0.46 0.95 1.06 0.60 0.20 0.07 0.76 0.81 0.97 1.60 2.07 2.07
20241.90 1.38 0.45 0.49t-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN1.27 0.99 0.99 0.72 0.68 0.61 0.31 0.36 0.70 0.96 1.39 1.42 1.95
S.D.0.55 0.53 0.42 0.32 0.39 0.35 0.30 0.36 0.43 0.52 0.67 0.51 0.46
SKEW0.26 1.23 0.87 1.35 2.51 1.07 2.92 1.34 0.71 1.71 1.46 0.40 1.04
MAX2.44 2.85 2.05 1.90 2.35 1.73 1.97 1.46 2.02 3.10 3.72 3.06 3.72
MIN0.22 0.19 0.40 0.15 0.12 0.13 0.00 0.00 0.00 0.11 0.25 0.60 0.96
YRS62 60 61 61 60 61 61 61 62 62 62 62 57