PROSSER, WA

Total of Precipitation (Inches)

(456763)

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
1912-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
19131.25 -----z0.00 -----z0.95 0.75 0.00 -----z0.26 1.33 0.90 1.14 6.58c
19141.80 1.18 0.00 0.82v1.28 0.20 0.29 0.01 0.56 1.53 0.42 0.86 8.13a
19150.84 1.03n1.02 1.11 1.06 0.41 0.84 0.13 0.03 0.21 1.91 1.53 9.09a
19161.25 1.35 0.97 0.82 0.15 0.35 0.76 0.09 0.25 0.09 1.05 1.28 8.41
19170.33 0.64 -----z0.96 0.59 0.09 0.02 0.00 0.34y0.00 1.11 1.37 5.11b
19180.93 0.67 0.25 0.01 0.51 0.23 0.25 0.33 0.35 0.89 0.77 0.82 6.01
19191.07 1.36p0.73 0.47 0.39 0.00 0.00 0.13 1.37 0.23 1.21 0.92 6.52a
19200.94 0.03 -----z1.38 0.50 0.65 0.05 1.08 1.02 0.76 0.89 1.23 8.53a
19210.89 1.39 0.19 0.34 0.69 0.44 0.00 0.04 0.19 0.53 2.73 0.94 8.37
19220.23 0.52 0.65 0.42 0.04 0.39 0.00 0.35 0.19 0.99 0.60 1.48 5.86
19230.62 0.26 0.16 0.75 0.42 -----z0.67 0.40 0.57 0.93 0.09 1.16 6.03a
19240.64 0.88 0.43 0.02 0.01 0.11 0.14 1.26 -----z0.67 0.93 -----z5.09b
19251.59 0.28 0.18 0.86 0.61 0.13 0.01 0.14 1.12 0.09 0.84 1.40 7.25
19261.11 0.78 0.21 0.17 0.38 0.87 0.00 0.04 0.49 0.79 3.77 0.92 9.53
19271.52 1.46 0.36a0.09 0.85 0.22 0.00 0.38 1.33 1.17 1.61 0.68y8.99a
19281.03t0.12x1.06t1.05s-----z0.30w-----z-----z-----z0.76w0.70t0.94u0.00l
19291.16u-----z-----z0.11y-----z0.35 -----z-----z-----z-----z-----z1.38w0.35k
19300.88t1.11 -----z0.25v0.43 0.00 0.03 0.06 0.49 0.03 0.36 0.37 2.88c
19311.12 0.27 1.09t0.29 -----z0.83r0.00 -----z0.15 0.68a1.35 2.73 6.59d
19320.66 0.28a0.59 0.68 0.49 0.13 0.00 0.04 0.00 1.03 0.83 0.47 5.20
19330.54 0.78 0.91 0.36 0.96 0.30 0.07 0.16 0.63u0.48 0.48 1.33p5.04b
19340.75 0.43a0.81 0.52y0.51 0.32 0.00 0.65 0.37 1.33 1.23 0.73 7.13a
19350.15d0.59 0.13 0.53 -----z-----z-----z0.00 -----z0.99y0.49x1.09t1.40g
19362.20q0.61t0.28 -----z0.37x0.82t-----z-----z0.07 -----z-----z1.00 1.35i
19371.26r0.85v0.80 1.02 -----z1.42 0.30 -----z-----z0.75y2.02 1.39 6.95f
19380.75r0.60r1.15t0.34v0.16 1.71 -----z-----z0.06w1.19q0.47w0.40w1.87j
19390.66s0.79r0.53w-----z-----z0.20w-----z-----z-----z1.52x-----z1.34p0.00l
19401.25r3.46l0.67q0.64t0.23w-----z-----z-----z0.88 1.88 1.71 1.30 5.77h
19411.80 0.63 0.44 0.36 1.01 1.73 0.01 0.78 0.47 0.77 0.99 0.54 9.53
19421.07 0.82 0.00 0.32 1.68 1.43 0.07 0.19 0.18 0.70 2.38 1.59 10.43
19430.57 0.98 0.59 1.27 0.33 0.37 0.01 0.28 0.00 1.50 0.35 0.54 6.79
19440.18 0.57 0.45 1.85 0.32 0.84 0.00 0.00 0.29 0.20 2.29 0.40 7.39
19451.18 1.06r0.98 0.71 1.81 0.12 0.06 0.05 0.58 0.67 1.00 1.87 9.03a
19461.15 0.50 1.50 0.26 0.46 -----z0.17 0.75 0.28 1.06 1.25 0.13 7.51a
19470.05 0.62 0.23 0.72 0.06 1.70 0.55 0.16 1.25 2.57 0.96 0.56 9.43
19481.63 1.33 0.12 0.93o1.70 1.68 0.29 0.50 0.18 0.71 -----z1.83 9.97b
19490.13 1.20 1.22 0.05 0.41 0.08 0.00 0.00 0.61 0.21 1.61 0.09 5.61
19502.11 1.33 1.09 0.41 0.14 2.99 0.00 0.04 0.04 2.36 1.29 1.48 13.28
19511.27 0.79 0.23 0.41 0.62 1.60 0.18 0.28 0.44 1.10 0.97 0.90 8.79
19521.03 0.64 0.35 0.19 0.58 0.91 0.00 0.02 0.22 0.02 0.23 1.61 5.80
19531.73d0.23 0.35 0.92 1.02 0.23 0.00 1.00 0.00 0.44 1.44 0.59 7.95
19541.81 0.19 0.75 0.35 0.63 0.16 0.35 0.00 0.55 0.64 1.04 0.51 6.98
19550.57 0.53 0.44 0.77 0.76 0.24 0.61 0.00 0.36 0.59 2.09 3.01 9.97
19562.63 0.97 0.24 0.00 0.46 0.55 0.41 0.48 0.07 1.52 0.22 0.62a8.17
19571.01 0.58 2.33 0.62 1.01 1.96 0.12 0.03 0.95 2.45 0.66 0.97a12.69
19582.25 1.88 0.92 1.49 0.81 0.29 0.53 0.09 0.03 0.23 0.97 1.37 10.86
19592.52 1.19 0.33 0.33 0.29 0.61 0.21 0.03 0.88 0.58 0.28 0.40 7.65
19600.98 1.12 0.97 0.88 0.99 0.28 0.00 0.31 0.42 0.69 1.01 0.80 8.45
19610.85 3.11 1.80 1.36 1.54 0.58 0.24 0.82 0.16 0.28 0.77 1.54 13.05
19620.22 1.14 0.40 0.87 2.50 0.35 0.00 0.66 0.53 1.28 1.09 0.98 10.02
1963-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
Period of Record Statistics
MEAN1.07 0.85 0.60 0.63 0.72 0.66 0.17 0.29 0.44 0.84 1.16 1.08 8.60
S.D.0.65 0.56 0.50 0.45 0.53 0.68 0.23 0.34 0.38 0.64 0.73 0.61 2.25
SKEW0.53 1.71 1.41 0.70 1.28 1.50 1.42 1.29 0.96 1.00 1.32 1.02 0.52
MAX2.63 3.11 2.33 1.85 2.50 2.99 0.84 1.26 1.37 2.57 3.77 3.01 13.28
MIN0.05 0.03 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.09 0.09 5.20
YRS42 39 41 39 42 42 43 41 41 43 43 42 26