WINCHESTER, ID

Maximum of Precipitation (Inches)

(109846)

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
1965-----z-----z-----z-----z-----z-----z0.36 0.65 1.12 0.43 0.32 0.30 -----z
19660.68 1.20 0.69 0.20 0.31 0.40 0.22 0.30 0.24 0.92 0.47 0.50 1.20
19670.55 0.20 0.36 0.89 0.73 0.82 0.16 0.01 0.50 0.75 0.36 0.98 0.98
19680.62 0.54 0.45 0.58 0.80 0.41 0.45 0.75 1.06 0.80 0.60 0.86 1.06
19690.72 0.33 0.48 0.88 0.84 0.50 0.08 0.06 0.53 0.80 0.28 0.34 0.88
19700.80 0.26 0.85 0.58 0.23 0.50 0.85 0.14 1.05 0.63 0.78 0.24 1.05
19710.58 0.60 0.45 0.64 0.85 0.55 0.42 0.64 0.43 0.80 0.62 0.80 0.85
19720.68 0.63 1.06 0.78 0.72 0.35 0.51 0.40 0.36 0.72 0.47 0.55 1.06
19730.26 0.16 0.51 0.14 0.72 0.33 0.23 0.07 0.95 1.25 0.80 0.53 1.25
19740.65 0.58a0.72 0.48 0.38 0.86 0.50 0.02 0.12 0.10 0.33 0.62 0.86a
19751.08 0.42 0.51 0.68 0.52 0.84 0.50 1.55 0.14 1.25 0.55 0.92 1.55
19760.47 0.45 0.45 0.70 0.75 0.50 0.67 0.50 0.33 0.40 0.33 0.22 0.75
19770.18 0.35 0.43 0.60 0.75 0.57 0.28 1.35 0.80 0.82 0.58 0.85 1.35
19780.27 0.58 0.38 1.30 0.75 0.68 0.80 0.85 0.83 0.17 0.60 0.70 1.30
19790.32 0.42 0.65 0.85 1.28 0.76 0.22 0.45 0.21 0.53 0.32 0.32 1.28
19800.64 0.28 0.80 0.75 1.15 0.45 0.30 0.67 0.57 0.31 0.60 0.80 1.15
19810.46 0.55 0.70 0.37 0.54 0.80 0.96 0.07 0.71 0.47 0.74 0.35 0.96
19820.64 0.60 0.50 0.72a0.41 0.42 1.20 0.43 0.64 0.60 0.25 0.56 1.20a
19830.50a0.54 0.54 0.47 0.41 0.40 0.85 0.93 0.67 0.47 0.47 0.31 0.93a
19840.65a0.30 0.60 0.52 0.91 0.74 0.46 -----z0.47 0.56 0.67a0.43a-----z
19850.45 0.27 0.42 0.43 -----z0.35 0.07 0.70 0.67 0.83 0.32a0.33 -----z
19860.50 1.45 0.37 0.41a1.17 0.32 0.74 0.62 0.53 0.39 0.75 0.32 1.45a
19870.45a0.21a0.40 0.70 0.87a0.62 0.79 0.17 0.20 0.00 0.30 0.53 0.87c
19880.70 0.40 0.58 1.22a1.17 0.52 0.88 0.15 0.94 0.93 0.62 0.24q1.22r
19890.35 0.30 0.71 0.53 1.35 0.88 0.34 0.87 1.13 0.35 0.50 0.27 1.35
19900.40a0.49 0.38 0.67 1.68 0.44 0.23 0.23 0.11 0.52 0.68 0.31 1.68a
19910.34 0.18 0.65 0.46 1.14 0.55 0.09 0.26 0.08 0.12 0.69a0.24 1.14a
19920.09 0.20 0.39 0.43 0.63 0.47 0.55 0.43 0.96 0.45 0.36 0.16 0.96
19930.42 0.21 0.43 0.71 1.01 0.61 0.75 2.12 0.18 0.48 0.25a0.25 2.12a
19940.40 0.93 0.26a0.38 0.55 0.63 0.88 0.06 0.40 0.70a1.00 0.57 1.00b
19950.32 0.47 0.52 0.91 0.70 1.54 0.52 0.92 0.36 0.98 0.68 0.70 1.54
19960.45 0.88 0.38 1.14a0.64 0.45 0.13 0.15 0.21 0.37 1.01a0.76a1.14c
19970.80b0.26 0.72 0.73a0.81 0.42 0.96 0.34 0.70 0.79 0.37 0.56 0.96c
19980.43 0.13 0.37 0.46 1.11 0.69 0.55 0.19 1.09 1.11 0.78 0.60 1.11
19990.48a0.74 0.46 0.39 0.57 0.45 0.18 0.42 0.06 1.01 1.40 0.40 1.40a
20000.41 0.37 0.60 0.94 0.95 0.92 0.03 0.07 1.38 0.64 0.35 0.24 1.38
20010.51 0.44 0.37 1.00 0.26 0.54 0.22 0.11 0.06 0.88 0.22 0.25 1.00
20020.51 0.46 0.92 0.56 0.50 1.02 0.21 0.33 0.45 0.36 0.37 0.41 1.02
20030.74 1.04 0.48 0.39 0.63 0.25 0.25 0.46 0.56 0.21 0.40 0.43 1.04
20040.28 0.27 0.23 0.31 1.17 0.75b0.53 0.62 0.37 0.60 0.37 0.24 1.17b
20050.45 0.24 0.60 0.89 0.96 0.48 0.33 0.07 0.13 0.66 0.48 0.82 0.96
20060.28 0.18 0.68 0.85 0.48 0.59 0.02 0.14 0.70 0.23 0.49 0.23 0.85
20070.31 0.31 0.86 0.53 0.27 0.95 0.01 0.31 0.35 0.25 0.53 0.24 0.95
20080.47 0.35 0.28 0.52 0.67 0.34 0.23 0.62 0.53 0.22 0.90 0.55 0.90
20090.88 0.43 0.86 0.45 0.46 0.22 0.45 1.22 0.13 0.47 0.52 0.21 1.22
20100.76 0.11 0.48 0.57 0.93 0.90 0.11 0.18 0.49 0.46 0.65 0.43 0.93
20110.74 0.63 0.54 0.81 1.00 0.45 0.23 0.14 0.26 0.58 0.24 0.44 1.00
20120.64 0.24 1.05 0.53 1.27 0.55 0.33 0.00 0.00 0.81 0.48a0.73 1.27a
20130.40 0.27 0.38 0.53 0.32 1.20 0.02 0.15 0.61 0.11 0.42 0.75 1.20
20140.51 0.42 0.64 0.35a0.39 0.78 0.03a0.25 0.15 0.27 1.56a-----z-----z
2015-----z-----z-----z-----z-----z0.00f0.57n0.00 1.00u0.55s2.20b0.00o-----z
Period of Record Statistics
MEAN0.51 0.45 0.55 0.63 0.76 0.61 0.41 0.44 0.51 0.57 0.59 0.48 1.14
S.D.0.19 0.28 0.20 0.25 0.33 0.26 0.30 0.44 0.34 0.30 0.36 0.23 0.26
SKEW0.40 1.64 0.78 0.61 0.44 1.26 0.63 1.70 0.55 0.27 2.44 0.50 1.42
MAX1.08 1.45 1.06 1.30 1.68 1.54 1.20 2.12 1.38 1.25 2.20 0.98 2.12
MIN0.09 0.11 0.23 0.14 0.23 0.22 0.01 0.00 0.00 0.00 0.22 0.16 0.75
YRS49 49 49 49 48 49 50 50 50 50 51 48 45