PRIEST RAPIDS DAM, WA

Total of Precipitation (Inches)

(456747)

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
1956-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.03e0.03k
19570.27a0.14 1.99S0.83a1.32a0.68 0.07 0.04 0.38 1.92 0.34 0.87 8.85
19581.89b2.12a1.03f0.92 0.00a0.30 0.35 0.09 0.03 0.15a1.08a1.71a8.64a
19592.06b1.23 0.38 0.09 0.17 0.43 0.00 0.00 0.61 0.41 0.27a0.32 5.97
19600.53 0.83 0.62 1.41 0.18 0.04 0.00 0.20 0.15 0.07 0.98 0.78 5.79
19610.22 1.53 1.55 0.74 1.08 0.24 0.02 0.75 0.00 0.23 0.59 0.86 7.81
19620.07 1.16 0.33 0.61 0.98 0.08 0.01 0.17 0.30 1.09 1.00 0.71 6.51
19630.03 1.08 0.60 1.26 0.30 0.06 0.30 0.00 0.17 0.00 1.30 1.27 6.37
19640.50 0.00 0.06 0.30 0.00 0.74 0.02 0.22 0.03 0.32 0.77 2.47 5.43
19650.72 0.32 0.06 0.23 0.03 0.43 0.73 0.42 0.08 0.02 2.08 1.06 6.18
19660.73 0.07 0.89 0.03 0.01 0.39 0.96 0.00 0.55 0.66 2.05 1.09 7.43
19670.24 0.00 1.27 1.01 0.27 1.13 0.00 0.00 0.14 0.17 0.32 0.76 5.31
19681.47 0.62 0.02 0.07 0.04 0.06 0.08 1.18 0.17 1.04 1.45 1.04 7.24
19691.50 0.46 0.13 0.53 0.53 0.34 0.00 0.00 0.55 0.08 0.20 2.20 6.52
19702.71 0.78 0.28 0.25 0.91 0.08 0.05 0.00 0.00 0.45 0.90 1.62 8.03
19710.89 0.02 1.38 0.20 0.55 0.56 0.00 0.00 1.18 0.25 0.58 0.90 6.51
19720.10 0.15 0.49 0.13 1.33 0.95 0.04 0.21 0.00 0.00 0.44 0.41 4.25
19730.68 0.32 0.05 0.00 0.06 0.04 0.00 0.11 0.24 1.44 2.72 2.23 7.89
19741.74 0.66 1.01 0.77 0.09 0.11 0.27 0.00 0.00 0.27 0.71 1.20 6.83
19751.52 1.03 0.57 0.45 0.49 0.08 0.01 0.99 0.00 0.79 0.68 0.85 7.46
19760.62 0.38 0.62 0.24 0.10 0.31 0.02 0.89 0.00 0.05 0.00 0.05 3.28
19770.02 0.51 0.39 0.00 0.48 0.34 0.00 1.22 1.30 0.20 0.46 2.02 6.94
19781.85 1.30 0.61 0.30 0.46 0.17 0.15 0.41 0.16 0.00 -----z0.22 5.63a
19790.49 0.48 0.54 0.08 0.07 0.00 0.10 1.01 0.22 0.70 1.27 1.11 6.07
19801.07 1.40 0.29 0.67 0.98 0.99 0.00 0.00 0.70 0.19 0.54 2.01 8.84
19810.78 0.39 0.12 0.02 0.59 0.43 0.21 0.00 0.58 0.58 1.42 1.26 6.38
19820.11b0.59 0.57 0.37 0.18 0.20 0.07 0.16 1.03 1.58 0.98 1.95 7.79
19831.18 1.52 1.64 0.42 0.18 0.37 0.44 0.74 0.42 0.35 2.87 1.39 11.52
19840.14 1.13 0.73 0.77 0.27 0.62 0.00 0.05 1.01 0.09 2.51 0.20 7.52
19850.06 0.21 0.33 0.00 0.27 0.02 0.03 0.00 0.55 0.33 0.88 0.69 3.37
19861.69 0.68 0.37 0.07 0.50a0.00 0.10 0.00 0.85 0.28 0.48 1.23 6.25
19870.74 0.25 1.40 0.17 0.25 0.02 1.10 0.24 -----z0.00 -----z2.92 7.09b
19880.29 0.00 0.30 1.18 0.03 0.34 0.00 0.00 0.19 0.00 1.30 0.24v3.63a
19890.09 0.84 1.16 1.30 0.61 0.01 0.00 0.35 0.00 0.41 0.95 0.33 6.05
19901.18 0.09 0.31 0.22 0.76 0.07 0.15 0.96 0.00 -----z0.02 0.41 4.17a
19910.00c0.23 1.05 0.41 0.43 2.46 0.16 0.01 0.00 0.71 0.71 0.16 6.33
19920.48 0.93 0.19 1.02 0.01 0.99 0.70 0.14 0.21 0.64 1.59 1.11 8.01
19930.05c0.15 0.84a0.62 0.37 0.42 1.19 0.02 0.12 0.03 0.03 1.66 5.50
19940.64 1.00b0.04 0.93 0.60 1.10 0.16 0.13 0.20 1.34 0.97 0.78b7.89
19951.88 0.46 1.31 2.03 0.30 0.42 0.23 0.10 0.69 0.56 1.36 2.28 11.62
19960.51a0.98 1.07 0.32 0.64 0.00 0.04 0.00 0.03 0.96 1.81 3.76 10.12
19970.98 0.49 -----z0.20 -----z-----z-----z-----z-----z-----z-----z0.55 2.22h
19981.27b1.43 0.69 0.07 0.75 0.30 0.38 0.06 0.04 -----z1.26 2.24 8.49a
19991.63 1.47 0.09 0.00 0.26 0.02 0.00 0.08 0.00 0.35 0.37 0.40 4.67
20001.82 1.26b0.74 0.00 0.46a0.12 0.00 0.00 0.17 0.26j1.76a0.44a6.77a
20010.21a0.34 1.05 0.68a0.00 1.51 0.00 0.02 0.00 0.43a1.47 0.86 6.57
20020.69 0.70 0.07 0.48 0.19 0.62 0.12 0.01 0.00 0.36 0.51 3.29a7.04
20032.35 0.65 0.43 2.23k0.06 0.00i0.00e0.25 0.00a0.26 0.25 2.28 6.53b
20045.94d1.23 0.46 0.25b0.84 0.42 0.15 0.69 0.34 0.72 0.19 0.81 12.04
20050.95 0.07 0.54 0.42b0.79 0.14 0.32 0.00j0.30f0.91 2.09 2.07 8.30b
20062.28 0.77 0.36 0.87 1.37 0.67a0.07 0.00 0.32 0.50 1.25 2.85 11.31
20070.08 0.84 0.74 0.33 0.43 0.37 0.21 0.10 0.29 0.29 1.20 1.43a6.31
20081.18 0.47 0.15 0.05 0.44a0.27 0.05 0.05 0.12 0.15e1.26 0.88 5.07
20091.02 0.59 1.34 0.31 0.47 0.55 0.00 0.11 0.20 0.78 0.78 0.95a7.10
20101.61 1.15 0.35 0.74 1.52 0.68 0.07 0.02 0.41 0.62 0.82 2.70 10.69
20110.65 0.00 0.43l0.36 1.38a0.81 0.10 0.00 0.03 0.97 0.62 0.22 5.14a
20120.83a0.86b1.43 0.60 0.08 1.10 1.07 0.00 0.00a1.02 1.10 2.20 10.29
20130.12a0.05 0.66 0.28 1.10h1.17b0.10 0.00c0.33d0.20 0.37 0.03g3.28b
20140.42 0.46 0.53 0.51b0.08c0.19 0.03 0.40b0.19 0.60a0.44 0.97 4.82
20150.68a0.51 0.93 0.05 1.60a0.05f0.00g0.00b0.07 0.29 0.56a3.30b7.99b
20161.28 0.43a1.68a0.17 0.18 0.28 0.25d0.00b0.05d2.22a0.36h1.39d7.93a
20171.39 1.28g1.01f1.11b0.19d0.02f0.00b0.10b0.23b0.60 2.16b0.18 5.96c
20181.24d0.13e0.52f0.84b0.29a0.10h0.00a0.00e0.10 0.53c0.75c0.45d4.33b
20191.45h1.38a0.41c0.84a0.69b0.18 0.09c0.36 0.37a0.35a0.08 0.82b5.57a
20200.73a0.03b0.62 0.02a0.38a0.38a0.00d0.00b0.16b0.12 0.66 0.47b3.57
20211.65g0.38e0.07h0.02e0.22i0.13 0.00d0.02b0.58d0.37m0.05w-----z1.13f
2022-----z-----z-----z-----z-----z-----z-----z0.00d0.00k0.00r0.17b1.13c1.30i
20230.49 0.14 0.42e0.75f0.33c0.03b0.17b0.35 0.19 0.09 0.87 2.01a5.09a
20240.83c0.81 0.69d-----z-----z-----z-----z-----z-----z-----z-----z-----z2.33i
Period of Record Statistics
MEAN0.96 0.65 0.65 0.47 0.46 0.43 0.17 0.21 0.27 0.50 0.96 1.27 7.09
S.D.0.92 0.49 0.48 0.43 0.42 0.45 0.28 0.32 0.31 0.48 0.67 0.89 2.13
SKEW2.63 0.61 0.81 1.13 1.09 2.02 2.35 1.80 1.54 1.53 0.90 0.79 0.61
MAX5.94 2.12 1.99 2.03 1.60 2.46 1.19 1.22 1.30 2.22 2.87 3.76 12.04
MIN0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 3.28
YRS65 66 61 64 63 61 64 65 63 61 62 65 47