WILLAMINA, OR

Total of Precipitation (Inches)

(359372)

File last updated on April 24, 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
1935-----z-----z-----z-----z-----z-----z-----z0.29 0.88 3.05 2.90 7.41 14.53g
193613.58 6.09 3.57 1.09 4.09 2.05 0.73 0.00 1.22 0.16 0.36 7.59 40.53
19376.03 9.07 4.28 8.56 1.73 2.81 0.00 1.11 0.79 3.90 12.10 15.88 66.26
19385.74 9.07 8.88 1.62 0.76 0.27 0.14 0.04 0.82 3.80 5.76 4.77 41.67
19397.18 7.11a3.58 0.83 1.02 1.01 0.44 0.67 0.19 2.38 1.36 13.80 39.57
19407.20 14.58 6.38 3.23 2.70 0.12 0.27 0.01 1.87 5.09 5.74 8.32o47.19a
19417.76 2.73 1.91 2.73 4.05 1.06 0.00 0.70 2.74 2.40 6.71 13.09 45.88
19425.22 5.84 2.57 1.93 2.55 1.11 0.89 0.16 0.00 1.84 16.61 12.82 51.54
19437.51 5.77 7.17 3.69r1.31 1.85 0.31 1.53 0.10 7.91 3.25 4.34 41.05a
19445.32 3.22 3.28 4.21n1.00 1.41 0.39 0.32 1.29 2.15 5.87 3.42 27.67a
19456.35 9.65 9.02h4.61 3.53 0.14 0.31 0.17 3.37 1.61 15.25e9.85 54.84a
194610.20 8.46 6.49 2.53 1.75 1.34 0.45 0.00 1.33 5.77 10.15 6.77n48.47a
19476.14 4.78 3.33 2.70 0.14 5.75 0.73 0.77 1.42 10.62 5.14 5.93 47.45
19489.50 8.19 5.49a5.88 4.22 0.42 0.83 0.62 2.86 3.39 9.63 11.18 62.21
19492.30 13.16 4.36 1.10 3.44 0.73 0.16 0.43 1.05 3.01 7.05 8.27 45.06
195014.98 7.70 7.28 2.09 0.72a1.42 0.46 0.61 1.61 9.53 12.16 8.76 67.32
195112.82 7.29 7.22 1.46 2.16 0.02 0.23 0.58 1.18 8.17 7.83 12.00 60.96
19528.08a5.69 5.56 2.10 0.53 1.13 0.00 0.32 0.41 0.51 2.32 10.16 36.81
195314.66 5.29 7.07 3.30a3.06 0.78 0.07 1.18 1.19 3.19 8.62 10.19 58.60
195415.10 8.50 3.41 4.24 1.25 2.74 0.30 2.94 0.84 4.06 6.54 7.93 57.85
19555.06 3.64 7.38 5.32 0.89 0.97 0.81 0.00 2.94 5.38 9.58 16.46 58.43
195615.81 8.22 7.34 0.71 0.98 0.86 0.03 0.33 1.41 7.12 2.00 5.24 50.05
19573.61 8.57 6.83a3.13 2.63 0.66 0.14 0.28 0.42 2.51 4.86 9.63 43.27
19589.09 9.93 4.38 5.45 1.03 2.06 0.00 0.02 0.87 3.19 9.12 7.17 52.31
195912.87a4.04 5.89 1.42 1.79 1.89 0.52 0.06 3.84 1.86a4.08 3.92 42.18
19606.61 8.62 7.81 4.13 3.99 0.42 0.00 0.75 0.69 4.01 12.38a4.32 53.73
19616.64 11.36a10.82 2.53a2.50 0.23a0.38 0.33 0.82 4.26 6.06 7.96 53.89
19622.98 5.35 7.34 4.75 2.23 0.72 0.05 0.72 1.77 6.26 12.63 4.15 48.95
19632.41 6.41 8.18 5.33 3.57 0.92 0.93 1.18 2.01 3.64 9.38 5.40 49.36
196413.70 2.24 6.62 1.95 0.90 0.99 0.66 0.51 0.66 1.39 8.00 18.74 56.36
196511.76 4.81 0.98 2.94 1.95 0.73 0.14 0.84 0.07 2.24 10.50 11.30 48.26
196610.63 3.88 9.52 1.52 1.15 1.09 0.34 0.25 1.51 2.71 5.83 14.23 52.66
196711.80 3.01 9.75 3.62 0.88 0.39 0.00 0.00 0.81 7.15 4.28 7.99 49.68
19688.40 9.94 6.44 1.74 2.85 2.56 0.12 3.54 1.65 7.03 9.46 16.77 70.50
196912.64 6.89 2.37 2.90 1.79 1.44 0.02 0.07 2.39 4.53 4.89 13.79 53.72
197016.05 5.89 3.62 3.62 0.84 0.41 0.02 0.03 1.58 4.98 8.43 15.00 60.47
197112.20 5.50 9.97 4.14 2.13 1.42 0.08 0.21 3.62 3.73 8.91 14.05 65.96
197210.38 6.16 7.80 5.86 1.45 0.94 0.03 0.12 3.15 1.03 5.09 11.36 53.37
19736.76 2.28 4.26 2.09 0.70 1.13 0.00 0.55 3.79 3.24 19.49 13.53 57.82
197414.84 9.65 9.29 3.22 2.33 1.07 0.84 0.02 0.17 0.72 7.56 11.54 61.25
19758.84 8.42 7.67 2.99 2.24 0.86 0.87 1.38 0.03 7.98 6.52 9.21 57.01
19767.18 9.07 5.95 2.59 0.95 0.70 0.72 1.21 0.81 1.49 1.77 1.92 34.36
19771.26 3.21 8.16 0.62 3.64 0.73 1.01 1.65 3.42 3.07 9.32 11.21 47.30
19788.89 6.34 1.92 5.21 3.76 1.01 1.02 2.40 4.15 0.94 3.49 4.44 43.57
19793.55 9.78 3.14 3.44 3.01 0.69 0.62 0.82 2.08 7.26 4.93 10.29 49.61
198011.39 6.63 5.47 5.10 0.64 1.60 0.43 0.08 0.89 1.47 7.98 11.91 53.59
19812.84 4.75 4.48 4.11 3.13 3.98 0.14 0.08 2.60 6.56 7.40 14.64 54.71
19827.98 9.13 5.86 7.53 0.20 1.60 0.66 0.34 1.93 5.42 6.55 14.22 61.42
19839.68 13.09 11.98 2.72 2.78 1.50 1.40 0.88 0.43 1.05 13.43 8.80 67.74
19844.31 7.53 5.17 4.18 3.89 2.38 0.11 0.07 1.50 5.94 16.09 5.44 56.61
19850.38 4.20 4.92 2.03 0.75 4.21 0.28 0.45 2.37 4.07 5.28 4.07 33.01
19868.96 7.71 4.56 3.04 1.37 0.55 1.27 0.02 3.02 3.05 7.27 6.38 47.20
19878.07 7.69 8.83 1.53 2.05 0.19 2.39 2.16 0.31 0.12 3.18 13.69 50.21
1988-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1989-----z-----z-----z-----z-----z1.17 0.47 0.63 0.72 3.16 -----z4.25 10.40f
199013.41a-----z-----z-----z-----z-----z-----z-----z-----z3.92 4.90 3.74 25.97h
19913.66 4.79 5.65 6.97 2.63 2.04 0.18 0.37 0.06 2.51 7.80 4.05 40.71
19925.93 6.07 1.22 5.74 0.00 0.60 0.28 0.42 1.63 3.28 6.96 8.64 40.77
19935.01 1.01 4.31 5.46 4.21 1.52 1.23 0.10 0.02 1.66 1.35 9.27 35.15
19945.51 2.83b3.92 2.67 0.93 2.18 0.01 0.00 1.36 5.28 10.86 9.94 45.49
199510.25 4.77 7.70 5.03 1.09 1.95 0.07 0.88 2.21 3.42 11.60 9.33 58.30
199610.99 14.32 3.25 7.85 4.05 0.72 0.53 0.19 2.91 5.42 12.10 22.00 84.33
19978.88 2.82 7.75 3.72 2.56 2.13 0.24 0.93 2.88 6.65 7.11 4.73 50.40
199810.84 8.11 5.96 2.61 4.72 0.78 0.01 0.00 0.87 3.25 12.86 11.96 61.97
199910.62 17.61 6.15 1.28 3.46 0.87 0.11 0.21 0.32 2.65 13.18 7.87 64.33
20006.39 6.28 2.95 -----z2.72 1.38 0.15 0.00 0.59 2.41 3.67 5.05 31.59a
20012.22 3.10 2.47 1.98 1.80 1.35 0.20 0.58 -----z2.88 8.54 11.61 36.73a
200212.73 4.24 6.26 3.01 0.62 0.74 0.17 0.00 0.89 0.58 5.09 13.27 47.60
20039.41 3.29 9.72 5.59a1.17 0.02 0.00 0.07 1.03 2.61 5.48 12.78 51.17
20048.37 6.25 2.89 2.88 3.16 1.03 0.00 1.48 2.79 4.48 2.33 4.99 40.65
20052.65 1.10 5.74 3.56 3.99 1.93 0.19 0.00 1.09 4.58 6.73 13.03 44.59
200614.19 2.81 5.12 2.67 -----z0.70 0.05 0.00 0.44 1.65 16.45a9.58 53.66a
20076.07a10.04 1.47b2.72 1.13 0.65 0.70 0.57 -----z4.33 4.93 14.49 47.10a
200810.46 -----z6.43 3.57 0.47 1.30 0.00 0.71 0.71 2.87 -----z7.38 33.90b
20095.15 3.75 5.37 1.95 -----z0.72 -----z0.67 1.05 4.40 8.91 4.55 36.52b
2010-----z3.65 7.01 5.49 2.21 2.71 0.05 0.50 2.04 3.99 7.30 11.54 46.49a
20115.51 5.88 7.51d5.05e2.72 0.24g1.08 0.01 0.51 2.60 7.49 3.96 42.32a
201210.73 4.75 6.30l3.14 -----z2.21 0.06 -----z0.00 7.91 9.74 -----z38.54d
2013-----z2.32 2.87 3.06 2.03 0.83 0.00 0.32 7.03 1.45 3.84 2.20 25.95a
20143.18 7.57 8.05 3.77 2.17 0.77a0.67 0.21 0.87 6.30 5.15 9.83 48.54
20153.90 7.48 3.44 3.16 0.80 0.64 0.15 0.56 0.95 2.15 7.29 17.34 47.86
201610.40 3.65 8.37 2.44 0.84 1.04 0.51 0.45 0.95 12.65 9.30 7.36 57.96
20177.22 13.47a10.17 4.88 1.51 0.81 0.00 0.25 2.28 5.28 8.92 5.26 60.05
20187.91 3.42 4.71 4.34 0.27 0.83 0.00 0.00 1.03 3.04 3.37 7.33 36.25
20195.30 6.51 1.97 5.73 0.26o0.32 0.84 0.13 3.27 3.26 2.12 6.31 35.76a
202011.26 3.23 3.05 1.86 3.95 1.77 0.11 -----z1.83 1.43 8.52 9.99 47.00a
20218.90 5.88 2.04 0.73 0.68 1.60 0.01 0.25 3.07 4.36 10.76 10.28 48.56
20225.91 2.56 4.47 6.15 4.13 2.50 0.00 0.00 0.21 3.64 7.63 9.63 46.83
20235.69 4.05 6.64 6.65 0.23 0.13 0.00 0.16 2.54 4.03 5.45 11.00 46.57
20248.83 5.91 7.23 -----z-----z-----z-----z-----z-----z-----z-----z-----z21.97i
Period of Record Statistics
MEAN8.24 6.47 5.70 3.50 2.04 1.26 0.36 0.52 1.54 3.89 7.54 9.42 51.74
S.D.3.74 3.25 2.47 1.77 1.26 0.95 0.42 0.65 1.23 2.37 3.83 4.17 9.62
SKEW0.14 0.91 0.16 0.62 0.33 1.94 1.83 2.33 1.37 1.07 0.65 0.38 0.50
MAX16.05 17.61 11.98 8.56 4.72 5.75 2.39 3.54 7.03 12.65 19.49 22.00 84.33
MIN0.38 1.01 0.98 0.62 0.00 0.02 0.00 0.00 0.00 0.12 0.36 1.92 33.01
YRS85 85 84 82 81 85 85 85 85 88 86 85 68