BOUNDARY DAM, WA

Total of Precipitation (Inches)

(450844)

File last updated on March 29, 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-----z1.24 2.53 0.93 0.34 3.45e1.27b9.76f
19664.12 0.65 2.80 0.92 1.55 2.81 1.10 0.98 0.48 1.03 4.76 4.97 26.17
19672.44 0.80c3.02 1.80 1.55 2.43 0.28 0.03 0.32 3.51 1.93 3.38 21.49
19683.08 2.10 1.19 1.10 3.28 2.83 0.92 3.27 1.38 3.97 2.53 4.76 30.41
19694.55 2.34 0.63 3.39 2.16 3.46 1.45 0.00 2.55 1.50 1.70 2.43 26.16
19703.34 2.12 0.97 1.03 1.39 2.66 0.54 0.24 2.07 2.55 2.14 -----z19.05a
1971-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1972-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1973-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1974-----z-----z-----z1.74 2.47 0.81 2.48 0.55 0.36 0.04 4.97 5.48 18.90c
19752.87 3.29 1.99 0.90 1.27 1.98 2.02 3.09 0.43 3.94b0.96e-----z22.74a
19762.17 2.37 2.25 2.25 2.58 2.57 3.05 4.45 0.18 1.12 0.99 1.41 25.39
19771.00 0.78 2.28 0.51 2.60 0.98 1.09 2.45 2.68 1.10 3.76 4.08 23.31
19782.88 1.77 1.34 2.13 4.36 2.52 2.50 3.35 2.73 -----z1.58 1.53 26.69a
19790.75 5.57 1.15 1.89 2.51 1.19 1.32 1.58 1.54 2.41 0.72 4.28 24.91
19802.56 2.73 2.05 3.47 2.97 2.14 1.09 2.70 1.12 1.36 3.00 2.99 28.18
19810.94a2.66 1.03 3.28 3.89 4.67 2.22 0.85 1.37 2.99 2.95 3.31a30.16
19823.86 3.49 2.61 3.20 1.54 3.52 2.58 3.01 2.36 1.34 3.26 4.65 35.42
19833.60b3.43 3.94 2.31 0.88 4.02 3.65 4.20 0.69 1.92 6.92 1.99 37.55
19842.71 2.13 2.46 2.53 4.16 4.58 0.21 0.29 1.46 1.21 5.24 3.94 30.92
19850.29 1.46 0.49 1.20 2.17 1.97 0.02 1.23 3.19 2.79 2.03 0.65 17.49
19863.23 1.82 1.44 2.09 2.42 1.30 2.99 0.25 3.43 1.14 1.95 2.03 24.09
19871.64 0.74 4.63 1.00 2.42 2.24 2.63 1.14 0.82 0.24 2.74 4.25 24.49
19881.65 0.92 3.10 1.37 2.22 2.26 0.20 0.15 3.73 0.61 5.69 2.43 24.33
19892.61 1.54 2.89 2.01 2.22 1.47 0.98 3.47 0.15 2.31 3.41 2.05 25.11
19903.99 2.60 0.84 1.42 5.06 3.91 1.13 1.59 0.07 3.60 2.68 4.13 31.02
19912.83 1.79 1.59 2.35 3.74 3.00 2.12 1.48 0.89 0.40 3.50 1.77 25.46
19924.61 1.64 0.54 2.96 1.30 3.15 2.44 0.07 1.19 1.52 3.99a2.46 25.87
19932.98 0.36 1.96 3.56 1.15 3.69 3.50 1.75 0.62 1.73 1.22 4.28 26.80
19942.83 3.04 1.00 2.23 2.53 2.99 0.36 0.13 0.89 2.16 3.93a5.34 27.43
19954.22 1.44 5.06 1.62 1.27 3.95 1.02 1.19 1.75 3.82 3.68 4.11 33.13
19962.24 4.43 0.52 4.42 5.37 2.24 0.67 0.98 1.77 3.94 4.44 5.46 36.48
19974.01 1.44 4.03 2.02 2.70 4.64 5.23 1.13 3.92 3.27 1.05 1.91 35.35
19984.58 1.68 2.70 1.83 6.40 2.76 1.96 0.65 0.70 1.82 4.67 6.33 36.08
19992.67 5.15 1.69 1.55 3.41 3.63 2.41 1.75 0.30 2.28 4.37 3.45a32.66
20003.41 2.80 3.27 2.09 3.25a2.29 1.32 0.24 1.12 1.76 1.44 1.28 24.27
20011.19 0.72 2.06 2.71 1.74 2.95 0.76 0.34 0.52 2.42 2.77 5.65 23.83
20022.42 1.92 0.74 1.35 3.41 1.92 2.20 0.71 1.11 0.24 3.40 5.75 25.17
20034.24 1.17 3.41 3.36 1.41 2.34 0.03 0.16 1.91 2.84 3.65 3.08 27.60
20043.53 0.79 1.60 1.13 2.52 2.62 0.00k2.97 2.20 2.88 2.44 3.47a26.15a
20052.22 0.02 2.20 1.90 2.52 5.47 1.41 1.13 1.85 3.47 2.85 2.90 27.94
20066.52 1.90 1.73 3.19 3.47 4.42 0.74 0.23 0.25 0.86 5.75b2.77a31.83
20072.31 1.59 3.34 1.83 2.43 2.09 0.31 0.71 0.47 2.34 1.81 4.62 23.85
20082.92 1.33 1.74 1.30 1.66 2.10b0.69 1.62 1.40 1.50 2.23 3.90 22.39
20092.80 1.26 1.85 1.08 2.03a2.24 2.38a0.48 0.69 3.11 3.08 2.46 23.46
20102.50 1.36 2.26 2.69 2.24 3.79 1.27 1.04 1.99 2.33 3.60 2.73 27.80
20112.31f1.42 2.93 2.61 2.89 2.86 0.98 0.27 0.22 1.30 4.58 1.44 21.50a
20121.99 2.03 5.29 2.82 2.91 9.38 2.39 0.03d0.62 3.90b5.23 5.12 41.71
20131.87 1.13 1.41a1.92 4.42b3.65 0.67 0.94 4.69 0.39 3.16 2.69 26.94
20142.08a1.78b3.42a2.62a2.46a4.34 0.42b2.17 1.39 2.92 4.23 3.77 31.60
20152.60 2.33a2.87 0.47 0.86 1.38 1.25 0.48 0.89 1.70 4.37c4.93 24.13
20163.48d2.71 3.88 1.02 3.83 1.20 1.15d0.36 0.95 8.76 3.75a2.11 33.20
20171.82 5.04 4.38 2.94 2.15 1.09 0.63b0.13 0.74 2.86a4.70 2.81 29.29
20185.37a1.82a2.07c3.39a1.21f2.89 0.30 0.26 1.30 1.41 3.08 3.80 25.69a
20191.64 1.81 1.18d1.85a0.96 1.45 1.91b0.40e1.91 1.93f1.19d3.31 17.61a
20206.38a1.47a1.40a0.47 3.74 1.85a1.79c0.42c1.19 2.76a2.11 2.38c25.96
20214.70d1.64e0.34d1.07 0.40a1.57d0.05b2.02c2.20b4.41e4.09a2.80a25.29
20222.97 1.19c1.13b1.16 3.23a3.51b0.96a0.18 0.37 0.79 4.34a5.17a25.00
20232.01b0.90b1.13b3.37b3.56b1.32a0.43a2.48c1.39d0.84 2.49 3.19c23.11
20243.56 2.11f1.90d-----z-----z-----z-----z-----z-----z-----z-----z-----z5.46j
Period of Record Statistics
MEAN2.96 1.97 2.18 2.04 2.62 2.82 1.44 1.26 1.38 2.18 3.22 3.39 27.88
S.D.1.28 1.17 1.21 0.93 1.21 1.41 1.07 1.17 1.04 1.47 1.38 1.37 4.86
SKEW0.56 1.28 0.67 0.32 0.72 1.89 1.04 0.99 1.15 1.62 0.22 0.14 0.73
MAX6.52 5.57 5.29 4.42 6.40 9.38 5.23 4.45 4.69 8.76 6.92 6.33 41.71
MIN0.29 0.02 0.34 0.47 0.40 0.81 0.02 0.00 0.07 0.04 0.72 0.65 17.49
YRS54 54 55 55 54 55 55 56 56 54 56 54 47