CHELAN, WA

Total of Precipitation (Inches)

(451350)

File last updated on December 18, 2017
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
1891-----z-----z-----z-----z-----z-----z-----z0.09 0.23 0.32 -----z2.29 2.93h
18921.13 0.43 -----z1.32 3.13x0.31w0.47 0.00 0.26 0.59 -----z-----z4.20e
1893-----z1.55e1.69 2.25 1.40 0.21 0.06 0.00 0.78 0.24 2.25t0.75 8.93b
18941.08c0.80v1.19a0.34 1.37 1.20 0.00 0.06 0.05 1.37 0.89 2.63w7.55b
18952.40b0.30a0.27a0.74 0.65 0.00 0.00 -----z-----z0.00 0.54 2.25 7.15b
18962.50 0.18 0.70 1.33o1.80 0.09 0.01 0.67 0.64 1.00 3.00a1.78a12.37a
18971.98f2.80a0.81d0.54 1.30 1.25 0.88 0.15 0.11 0.74 2.93b3.37o11.51b
18980.30f1.59a0.08b0.00 0.91 1.54 0.00 1.03 0.22 -----z0.92 1.35 7.64b
18992.94 1.32 0.12 0.41 0.54 0.17 0.15 1.43 0.19 1.50 3.50 1.56 13.83
19001.15 0.85 1.02 0.82 0.89 0.65 0.00 0.14 0.84 2.07 1.20 2.63 12.26
19012.13 2.15 0.52 -----z1.76 1.48 0.00 0.02 1.21v0.08 2.42 1.84 12.40b
19021.01 3.30 0.45 1.75 0.69 0.00 1.74 0.15 0.23 0.08 1.77 2.43u11.17a
19031.81 0.78 0.88 0.61 0.18 0.38 0.27 1.48 0.43 0.55 3.21 0.35 10.93
19041.54 2.87 3.15 1.05 0.05 0.48 0.00 0.51 0.02 1.60 1.04s1.87 13.14a
19051.79b0.27 0.97 0.17 0.69 4.59 0.20 0.15 0.93 1.47 0.70 1.38 13.31
19061.24w1.95 1.02w0.05 1.79p0.24 0.11 0.10 0.20 0.18 3.88r3.22 6.05d
19071.02 0.81 0.80 0.08 0.49 1.96 0.96 0.56 1.84 0.12 1.24 2.78 12.66
19081.36 0.71 0.85 0.10 1.05 0.10 1.14 0.04 0.08 0.94 0.77 0.55 7.69
19092.10 1.51 0.57 0.00 0.43 0.31 0.74 0.00 0.99 0.90 3.64 1.61 12.80
19101.14 0.92 1.25 0.08 0.68 0.16 0.09 0.41 0.67 0.61 2.74 1.10 9.85
19110.70 0.92 0.48 0.29 1.21 0.49 0.00 0.60 0.64 0.18 0.86s1.83 7.34a
19123.01 0.86a0.37 0.87 1.14 0.64 0.15 1.04 0.24 1.87 1.49 1.39a13.07
19131.08 0.35 0.11 0.67 1.87 0.86 0.03 0.23 0.17 1.02 1.98 1.39a9.76
19143.80 1.01 0.16 0.80 0.13 1.49 0.08 0.00 1.39 1.84 1.36 0.73 12.79
19151.90 2.37 1.33 0.75 2.54 0.31 0.61 0.00 0.18 0.93 3.96 3.12 18.00
19161.20 3.30 1.69 0.12 0.42 1.67 0.93 0.22 0.98 0.03 0.74 0.77 12.07
19170.34 1.02 1.49 2.20 0.77 0.55 0.09 0.00 0.15 0.00 1.24 3.84 11.69
19180.98 1.11 -----z-----z-----z-----z-----z-----z-----z1.01 1.27 0.47 4.84g
1919-----z1.71 0.10 0.00 0.18 0.10 0.04 0.17 1.66 0.00 0.49 0.51 4.96a
19200.21 0.01 -----z-----z-----z0.00 1.42 0.73 1.36 1.55 1.28 1.18 7.74c
19211.93 0.45 0.79 0.54 -----z-----z-----z-----z0.13 0.35 -----z-----z4.19f
19220.25 0.08 1.17 -----z0.07 0.00 0.00 0.40 0.46 0.52 -----z-----z2.95c
1923-----z0.52 1.00 0.94 0.78 1.51 0.95 0.29 0.49 1.42 0.59 2.24c10.73a
19241.26 0.76 -----z0.00 0.00 0.19 0.08 0.00 0.73 0.96 1.76 1.11 6.85a
19251.23 1.50 0.32 0.67 0.39 0.78 0.02 0.07 0.04 0.15 1.18 0.67 7.02
19261.06 1.72 0.07 0.78 0.79 0.00 0.39 0.43 0.66 0.38v2.24 1.20 9.34a
19271.43a1.50 0.50 0.32 0.60 0.41 0.01 0.67 1.63 0.95 2.01 0.65 10.68
19281.43 0.08 0.53 0.86 0.08 0.70 0.46 0.22 0.06 0.31x0.69 1.32 6.43a
19290.53b0.01a0.47 0.30 1.60 0.73 0.00 0.00 0.24 0.06 -----z1.29 5.23a
19300.31 1.51 0.36 0.18 0.43 0.70 0.04 0.18 0.47 0.11 0.78 0.36 5.43
19312.05 0.29 0.79 0.00 0.03 1.04 0.00 0.00 0.66 0.62 0.60 3.35 9.43
19322.09 0.11 1.23 0.50 0.39 0.13 0.07 0.01 0.00 0.34 2.51 1.18 8.56
19331.49m0.38 1.38 0.03 1.45 0.47 0.00 0.26 1.17 1.12 0.84 4.45 11.55a
19341.43 0.37 0.61 0.30 0.25 0.06 0.06 0.07 1.30a3.08 2.26p1.54 9.07a
19351.10 0.98 0.91 -----z-----z0.21 -----z0.06 0.17 0.48 0.54 1.12w4.45d
19361.62 0.82q0.41 0.56 0.96 4.73t0.10 0.24 -----z0.03 0.02 0.61 4.55c
19371.17 0.90 1.93 1.86 0.12 3.66 0.34 0.18 0.98 0.22 3.22 1.77 16.35
19380.58 3.00a1.21v0.02 0.00 0.02 -----z0.04 0.21b0.66x0.65 1.33 5.85c
19390.72 0.95 0.61 0.45 1.26 0.32 0.01 0.51 -----z0.80 0.19 3.96 9.78a
19401.24 3.15 1.10 1.49 0.30 -----z0.59 0.00 0.91 1.50 1.34a2.48 14.10a
19411.11 -----z0.30 2.63 1.49 2.14 0.29 1.97 1.00 0.13 0.86 2.61 14.53a
19421.83 1.13 0.42 0.73 2.07 0.97 0.11 0.20 0.00 0.89 3.15b2.18 13.68
19430.54 0.99 0.80 0.40w0.84 1.22 0.10 0.08 0.00 2.10 0.59 0.45 7.71a
19441.05 1.23 0.13 1.69 0.35 1.99 0.00 0.17 0.54 0.24 2.91 0.27 10.57
19451.44 2.43 0.16 0.36 1.34 0.72 0.00 0.00 0.32 0.56 1.81 2.17 11.31
19461.46 1.47 0.50 0.00 0.36 1.15 0.03 0.00 0.64 1.00 1.68 0.27 8.56
19472.00 0.71 0.49y0.54 0.02 1.07 0.38 0.00 0.30 2.16 0.48a0.53a8.19a
1948-----z-----z-----z-----z-----z2.71 0.64 0.70 1.68 0.50 2.71 1.99 10.93e
19490.19 1.01 1.26a0.01 0.25 0.28 0.04 0.07 0.32 0.95 1.69 0.63 6.70
19501.72 1.28 1.81 0.74 0.79 2.07 0.05 0.00 0.03 2.36 2.05 1.74 14.64
19511.75 0.90 0.82 0.35 0.99 1.02 0.49 1.47 0.18 1.85 1.79 1.95 13.56
19521.93 0.76 0.04 0.13 0.53 0.80 0.84 0.00 1.34 0.04 0.27 1.52 8.20
19532.35 0.51 0.32 1.37 2.33 1.68 0.00 1.31 0.00 0.18 1.58 0.88 12.51
19541.56 0.29 0.72 0.06 0.21 0.46 0.31 0.53 1.31 0.29 1.70 0.29 7.73
19550.73 0.37 1.11 1.01 0.43 0.37 1.05 0.00 0.62 1.24 2.09 2.97 11.99
19562.43 0.86 0.50 0.31 0.47 1.36 0.11 0.65 0.23 1.75 0.86 0.79 10.32
19570.69 0.99 3.15 0.95 1.70 0.16 0.04 0.43 0.20 1.90 0.45 1.68 12.34
19581.89 2.56 1.58 1.45 0.27 1.15 1.04 0.16 0.08 0.73 3.17 1.48 15.56
19592.29 1.02 0.82 0.21 0.73 0.23 0.00a0.00 2.46 1.26 0.78 0.52 10.32
19600.48 1.49 0.42 1.63 1.26 0.00 0.05 0.17 0.11 0.39 1.80 1.03 8.83
19610.58 1.98 1.82 0.40 0.74 0.56 0.12 0.08 0.05 0.40 1.07 1.41 9.21
19620.26 1.31j0.91 1.14 1.39 0.22 0.14 0.57 0.20 2.13 1.55 0.83 9.34a
19630.02 1.31 1.07 2.20 0.28 0.28 0.36 0.66 0.03 0.07 1.47 1.15 8.90
19641.20 0.32 0.39 0.70 0.33 1.16 0.05 0.48 0.04 0.23 1.79 2.16 8.85
19651.10 0.29 0.19 0.88 0.15 0.28 0.51 1.06 0.09 0.04 2.05 1.43 8.07
19661.57 0.06 1.45 0.00 0.11 1.05 1.01 0.10 0.93 0.48 1.98 1.84 10.58
19671.27 0.01 0.72 2.37 0.95 1.13 0.05 0.00 0.01 1.96 0.45 0.98 9.90
19682.23 1.14 0.21 0.51 0.22 0.03 0.00 2.00 0.06 0.96 1.36 2.74 11.46
19691.65 2.13 0.05 1.46 0.07 0.43 0.00 0.00 0.93 0.36 0.09 3.82 10.99
19702.45 0.47 0.70 0.35 0.00 0.09 0.00 0.37 0.08 0.69 2.00 2.14 9.34
19711.65 0.31 1.66 0.69 0.14 0.98 0.08 0.02 0.78 0.20 1.42 2.79 10.72
19721.37 1.59 1.75 0.60 1.50 2.38 0.13 1.27 0.36 0.19 1.99 1.50 14.63
19730.91 0.22 0.20 0.00 0.22 0.21 0.02 0.00 2.00 0.93 3.36 3.83 11.90
19742.89 1.51 1.18 0.80 0.48 0.16 1.18 0.00 0.00 0.11 1.00 1.92 11.23
19751.45 1.14 0.96 1.91 0.33 0.19 0.52 2.39 0.00 1.68 0.67 1.32 12.56
19760.70 1.19 0.13 0.75 0.38 0.07 0.17 1.43 0.01 0.16 0.17 0.48 5.64
19770.10 0.64 0.98 0.00 0.57 0.57 0.00 0.25 1.09 0.23 2.19 2.88 9.50
19782.10 1.52 1.21 1.48 0.31 0.15 0.61 0.52 1.25 0.00 0.52 0.37 10.04
19790.47 1.46 0.22 0.46 0.10 0.32 0.12 0.35 0.37 1.42 1.57 1.94 8.80
19801.70 2.16 0.36 1.05 1.35 0.47 0.00 0.16 0.82 0.08 1.61 2.58 12.34
19811.83 2.63 0.14 0.03 1.59 0.76 0.59 0.07 0.65 1.30 1.84 2.20 13.63
19820.99 1.25 1.59 0.57 0.89 0.86 0.23 0.15 0.62 1.10 1.55 2.19 11.99
19832.84 2.46 3.28 1.15 0.35 0.43 0.92 1.77 0.44 0.11 6.20 1.18 21.13
19840.15 0.72 1.33 0.90 1.07 3.17 -----z0.22 0.62 0.53 1.85e0.31 10.87a
19850.39 0.44 -----z0.02 0.26 0.58 0.02 0.00 0.41 0.31 0.30c0.93a3.66a
19862.91 1.26 0.76 0.39 0.09 0.10 0.08 0.05 2.39 0.22 0.84 0.43 9.52
19871.27 1.03a1.16 0.21 0.90 0.54 0.23 0.04 0.00 0.01 0.39 4.42 10.20
19880.57 0.05 0.20 0.76 0.78 0.99 0.00 0.12 0.27 0.06 2.59 1.66a8.05
19890.80 1.37 1.08 0.78 1.58 0.11 0.06 0.20 0.00 1.16 0.72 0.21 8.07
19902.74a0.48 0.54 0.42 1.80a0.89 0.32 1.21 0.00 1.02 0.80 0.59a10.81
19910.28 0.30 0.86 1.36 2.51 0.78 0.13 0.52 0.00 0.16 2.08 0.76 9.74
19921.05 0.99 0.19 0.67 0.04 2.73 1.43 0.04 0.24 0.54 1.35 1.01a10.28
19930.63 0.42 0.30 1.33 0.14 0.97 1.38 0.11 0.05 0.04 0.12 2.62a8.11
19941.47 0.86 0.29a1.54 0.43 0.94 0.00 0.45 0.00 1.17 2.37 1.53 11.05
19953.98 0.79 2.77 0.61 0.69 0.60 0.58 0.06 0.25 0.57 2.37 2.40a15.67
19961.42 2.17 0.35 0.94 0.74 0.65 0.14 0.00 0.52 0.70 1.09d4.65a13.37
19972.08 0.94 1.94 0.52 0.86 2.22 0.64 0.29 0.60 1.96 1.16 0.39a13.60
19983.00 2.61a1.39 0.93 2.86 1.04 1.56 0.11 0.10 0.42 2.59 3.18a19.79
19992.24 2.49a1.04 0.00 0.85 0.09d0.05 1.28 0.07 0.61 1.76 1.05 11.53
20002.60c1.86 1.28 0.00 0.65 0.38 0.19 0.00 0.02 0.71 1.67 0.77 10.13
20010.58a0.53b0.67 0.43 0.14 1.99 0.00 0.31 0.14 0.59 2.08b3.28a10.74
20021.81a0.41a0.30a0.33 0.11 0.22 0.18 0.00 0.06 0.09 1.04 3.51 8.06
20033.69a0.78 0.72 1.20 0.25 0.05 0.00 0.00 0.14 1.18 0.49 1.93a10.43
20041.50 1.89a0.53 0.17b1.26 0.19 0.38 0.57 0.20 1.07 0.36 1.66 9.78
20051.44 0.06 0.68 0.37 3.62 0.75 0.24 0.08 0.00a1.39 2.45b1.74c12.82
20062.13d1.33b0.32 1.03 1.07 1.41 0.13 0.00 0.72 0.34 3.82 4.17 16.47
20070.44a2.58 0.11 0.11 1.13 0.21 0.25 0.50 0.00 2.88 0.69 3.11a12.01
20081.77 0.72 0.63 0.22a0.33 0.22 0.00 0.56a0.00 0.51 1.41b0.60g6.37a
20090.89 0.69 0.87 0.35b0.76 0.35 0.42 0.07 0.38d1.45 0.73 0.88 7.84
20102.40 2.38 0.49 1.47 2.06 1.95 0.38 0.95a1.26 1.04 1.39h2.33b16.71a
20110.98d0.33e2.91g0.16 2.93 1.03 0.48 0.00 0.09 1.06 0.45 0.91 8.42a
20120.89a1.61a1.83i1.17h0.26 0.57o2.25 0.02a0.00 1.43a1.47d3.54f7.93d
20130.59d0.13 1.27 1.07 1.02 0.47 0.12 1.19c1.77h0.52a0.65l0.00n6.38c
20140.00l1.85 1.05 0.39 0.21 1.33 0.33 1.73 0.44 1.69 1.74 2.28b13.04a
20150.79 0.94 0.90 0.38 0.85 0.33 0.00 0.07c0.01 0.86 1.38 4.30 10.81
20162.60 0.55 3.16 0.41 0.95 1.13 0.68a0.04 0.05 2.96 0.96 0.98 14.47
20171.29 2.40 1.86 2.14 1.31 0.19 0.00 0.02 0.25 1.70 1.89b-----z13.05a
Period of Record Statistics
MEAN1.45 1.15 0.87 0.69 0.81 0.79 0.32 0.37 0.47 0.83 1.55 1.72 11.20
S.D.0.83 0.82 0.69 0.61 0.70 0.80 0.43 0.51 0.53 0.71 1.01 1.09 2.87
SKEW0.63 0.75 1.49 1.06 1.35 1.89 1.90 1.83 1.53 0.94 1.22 0.79 0.86
MAX3.98 3.30 3.28 2.63 3.62 4.59 2.25 2.39 2.46 3.08 6.20 4.65 21.13
MIN0.02 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.21 5.43
YRS117 121 115 117 119 120 121 124 121 123 115 116 83