UMATILLA, OR

Total of Precipitation (Inches)

(358734)

File last updated on April 20, 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
1892-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z1.44 1.44k
18930.56 0.54 0.65 0.66 1.47 0.03 0.00 0.00p0.98 1.53 1.47 1.58w7.89b
18942.33 0.40 1.49 1.03 0.81 0.53 0.00 0.03 0.11 0.69 0.14 0.49 8.05
18951.96c0.46 -----z0.20 0.64 0.04 0.07 -----z-----z-----z-----z-----z3.37f
1896-----z0.69 0.32 1.04 0.98 0.01 -----z0.93 0.10 0.36 1.95 1.07 7.45b
18971.46 1.08 0.91 0.26 0.62 0.80 0.45 0.01 0.52 0.04 0.91 1.64 8.70
18980.31 0.63 0.44 0.18 0.52 0.56 0.00 0.07 -----z0.18 1.21 0.37 4.47a
18991.53 1.00 0.35 0.40 0.66 0.20 0.02 1.89 0.38 1.82 1.12 0.99 10.36
19000.83 0.53 0.59 1.02 0.79 0.17 0.00 0.43 0.51 1.67 0.54 0.89a7.97
19010.92 1.85 0.60 0.15 0.85 0.48 0.02 0.15c0.95 0.00 0.49 1.11 7.57
19021.22a2.10 0.05 1.27 0.53 0.00 0.00 0.08 0.67 0.21 1.69 0.81 8.63
19030.33 0.02 0.28 0.01 0.26 0.86 0.08 0.42 0.45 0.43 2.02a0.72a5.88
19041.07 1.46a1.64 0.51 0.33 0.23 0.81 0.00 0.15 0.60 0.14 0.80 7.74
19051.31 0.24 0.63 0.30 1.06 0.70 0.00 0.00 0.48 0.68 0.48 0.79 6.67
19060.60 0.89 0.48 0.04 -----z-----z0.00 0.17 0.55 0.29 2.40t-----z3.02d
19071.79 0.98 2.14 0.50a0.89 0.37 0.11 -----z0.21 0.14 0.89 1.22 9.24a
19080.39 0.38x0.65 0.29 0.63u0.18 0.36 0.14 0.19 1.29v0.89 0.58 3.67c
19091.86 0.83s0.13 -----z0.17 0.04 0.26 0.00 0.11 0.52v1.72p1.14a3.71d
19100.98 0.92 1.07 0.20 1.07 0.90 0.06 0.00 0.36 0.25 1.76 0.67 8.24
19110.69 0.60 0.24 0.15 1.53 1.11 0.00 0.18 1.50 0.22 0.41 0.35 6.98
19121.78 0.56 0.37 1.34 0.92 1.18 0.06 1.10 0.06 0.29 0.78 0.44 8.88
19131.40 0.38 0.35 0.68 0.80 1.64 0.14 0.64 0.24 1.24 1.09 0.90 9.50
19141.76 0.62 0.06 0.98 1.20 0.30 0.03 0.00 0.46 1.15 0.34 0.39 7.29
19150.55 0.66 0.94 0.74 1.36 0.32 0.23 0.00 0.08 0.15 1.91 1.30 8.24
19161.29 2.02 1.87 0.99 0.20 1.41 0.62 0.12 0.05 0.54 1.46 1.01 11.58
19170.31 0.53 0.20 1.37 0.77 0.14 0.00 0.00 0.36 0.00 0.88 2.12 6.68
19181.03 0.48 0.16 0.03 0.37 0.07 0.08 0.92 0.14a1.27 0.61 0.56 5.72
19191.15 1.36 0.50 0.51 0.07 0.00 0.00 0.01 0.83 0.76 1.45 1.17 7.81
19201.19 0.07 0.69 1.16 0.10 0.89 0.04 1.25 0.81 0.93 0.66 1.80 9.59
19210.94 2.01 0.28 0.48 0.52 0.47 0.00 0.09 0.30 0.52 2.21 0.64 8.46
19220.84 0.87 1.09 0.40 0.19 0.15 0.00 0.29 0.40 0.58 0.49 1.11 6.41
19230.78 0.74 0.21 0.89 0.28 0.68 0.70 0.81 0.35 1.95 0.73 0.55 8.67
19240.74 0.82 0.28 0.00 0.00 0.33 0.24 0.74 0.53 0.86 1.43 1.30 7.27
19250.75 1.19 0.31 0.72 0.72 0.06 0.00 0.03 0.45 0.02a0.41 1.06 5.72
19260.77 1.28 0.25 0.12 0.18 0.31 0.00 0.16 0.68 0.97 3.13 0.73 8.58
19271.40 0.50 0.30 0.07 0.12 0.47 0.00 0.02 2.05 1.07 1.87 -----z7.87a
1928-----z-----z1.04 0.69 0.19 0.06 0.15 0.25 0.57 0.09 0.96 -----z4.00c
1929-----z-----z0.15 0.14 0.28 0.50 0.00 0.00 0.08 -----z-----z-----z1.15e
1930-----z-----z0.20 0.33 0.58 0.00 0.00 0.17 0.76x0.84 0.72b0.32 3.16c
19311.20 0.02 1.54 0.50 0.00 0.50 0.00 0.00 0.00 0.42 1.84 1.20 7.22
19320.62 0.37 1.07 0.33 0.55 0.05 0.00 0.00 0.00 0.61 1.14 0.24 4.98
19330.61 1.05a0.84 0.48 0.33 0.11 0.00 0.00 0.43 0.72 0.55 1.04 6.16
19340.10 0.35 0.40 0.40 0.09 0.19 0.00 0.07 0.36 0.43 0.95 0.73 4.07
19350.13 0.37 0.57 0.74 0.03 0.27 0.26 0.31 0.20 0.53 0.45 1.53 5.39
19361.89 1.23 0.20 0.80 0.25 0.31 0.00 0.00 0.20 0.00 0.00 0.98 5.86
19371.04 0.48 1.06 1.26 0.08 0.99 0.27 0.00 0.16 0.59 1.64 1.64 9.21
19380.55 0.80 0.55 0.64 0.54 0.75 0.20 0.00 0.05 0.60 0.89 0.59a6.16
19390.79 0.91a0.86 0.22 0.04 0.26 0.41 0.00 0.52 0.30 0.00 1.25 5.56
19401.66 2.76 0.98t0.78 0.15 0.00 0.36 0.00 0.44 0.87 1.80 1.09 9.91a
19411.35 0.78 0.39x0.28 0.86 1.66 0.00 1.00 1.41 0.46 1.08 1.17 10.05a
19420.93 0.94 0.05 0.12a1.13 1.18 0.25 0.00 -----z0.75 2.53 2.29 10.17a
19430.68 0.50 0.52 1.10 0.59 1.22 0.00 0.32 0.00 1.41 0.32 1.00 7.66
19440.52 0.56 0.57 0.89 0.76 0.86 0.00 0.00 0.22 0.42 0.98 0.86 6.64
19451.15 1.60 0.93 0.82 1.90 0.11 0.00 0.00 1.34 0.61 1.26 1.68 11.40
19460.73 0.28 0.97 0.10 0.84 0.69 0.00 0.00 1.43 0.81 1.01 0.37 7.23
19470.36 0.47 0.74 0.59 0.11 0.97 0.53 0.18 1.07 -----z1.21 1.00 7.23a
19481.70 0.55 0.15 1.34 1.50 0.58 1.59b0.00 0.14 0.32 1.27 1.18 10.32
19490.14 0.86 0.85 0.03 0.45 0.00 0.00 0.00 0.15 0.23 1.23 0.28 4.22
19501.51 0.62 1.14 0.45 0.00 1.61 0.00 0.00 0.04 2.23 0.71a1.96 10.27
19511.22 0.88 1.08 0.30 0.28 1.83 0.12 0.06 0.23 1.10 1.06 1.09 9.25
19520.46 1.07 0.34 0.16 0.41 1.58 0.00 0.06 0.54 0.02 0.16 1.51 6.31
19532.87 0.53 0.29 0.87 1.23 0.54 0.00 0.45 0.00 0.31 1.51 0.82 9.42
19541.40 0.28 0.73 0.12 0.48 0.41 0.41 0.17 0.76 0.37 0.88 0.78 6.79
19550.52 0.33 0.62 0.68 0.56 1.25 0.59 0.00 0.36 0.72 1.87 2.21 9.71
19562.27 0.80 0.26 0.00 0.62 0.36 0.19 0.63 0.12 1.31 0.19 0.86 7.61
19570.98 0.68 2.19 0.38 1.41 1.37 0.20 0.03 0.86 4.14 0.66 0.83 13.73
19582.04 1.92 1.07 1.42 0.96 0.46 0.08 0.02 0.15 0.06 1.09 1.85 11.12
19592.34 0.98 0.31 0.56 0.34 0.33 0.05 0.15 1.75 0.50 0.33 0.44 8.08
19600.56 0.75 0.85 0.44 1.19 0.35 0.00 0.55 0.18 0.77 1.33 0.79 7.76
19610.70 2.44 1.51 0.79 1.41 0.91 0.04 0.16 0.15 0.17 1.05 1.18 10.51
19620.26 0.97 0.90 0.75 2.68 0.04 0.00 0.91 0.39 1.36 1.05 1.61 10.92
19630.45 1.84 0.76 1.44 0.75 0.17 0.11 0.10 0.29 0.28 1.60 1.00 8.79
19640.53 0.13 0.81 0.20 0.02 1.03 0.96 0.30 0.11 0.73 1.59 5.40 11.81
19652.18 0.18 0.29 0.57 0.57 0.86 0.26 1.26 0.07 0.13b-----z-----z6.37b
Period of Record Statistics
MEAN1.06 0.85 0.67 0.56 0.64 0.56 0.16 0.25 0.45 0.69 1.07 1.09 8.06
S.D.0.62 0.58 0.49 0.40 0.51 0.49 0.27 0.39 0.44 0.66 0.63 0.72 2.01
SKEW0.68 1.24 1.16 0.52 1.22 0.85 2.83 1.99 1.64 2.51 0.62 3.38 0.38
MAX2.87 2.76 2.19 1.44 2.68 1.83 1.59 1.89 2.05 4.14 3.13 5.40 13.73
MIN0.10 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.24 4.07
YRS69 68 70 72 71 72 72 70 69 68 68 67 56