CORVALLIS WATER BUREAU, OR

Total of Precipitation (Inches)

(351877)

File last updated on April 25, 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
1936-----z-----z-----z-----z-----z-----z0.21h0.00 0.58 0.10 0.53 11.15 12.36g
193713.48 15.90 4.91 12.46 3.33w5.56 0.00 1.02 2.30 3.39 19.63 24.97 103.62a
19386.74 10.49 19.33 2.95 0.94 0.11 0.20 0.00 1.75 5.12 8.24 9.62 65.49
193911.00 11.07 5.17 0.72 1.65 1.21 0.21 0.89 0.35 4.43 1.41 19.40 57.51
19407.60 17.82 9.73 3.41 3.14w0.38 0.36 0.00 2.94 6.38 7.77 9.83 66.22a
194112.37l3.74 2.54 3.29 5.56n1.65 0.00 2.03 6.31 2.96 8.27 16.97g30.79c
19428.64 7.09 2.94 2.92 3.25 1.76 0.62 0.11 0.00 2.48 21.80 19.16 70.77
194310.27 7.53 13.15 4.56 1.92 1.56 0.28 2.01 0.19 9.23 5.04 5.91 61.65
19447.15 4.58 3.97 4.79 1.60 1.35 0.18 0.12 1.21 2.26 7.67 4.43 39.31
19459.75 11.21 12.71 6.06 5.36 0.04 0.21 0.15 3.90 1.28 19.32 13.51 83.50
194612.92 9.67 8.61 2.71 0.74 2.82 0.65 0.00 2.08 7.81 14.21 10.84 73.06
19478.04 7.68 8.85 3.49 0.28 4.85 1.65 0.69 1.74 18.49 4.43l6.71 62.47a
194813.43 13.20 7.33 7.36 5.67 1.07 0.86 0.67a2.92a3.28b12.90 15.10a83.79
19492.46 23.42 5.08 1.72 4.20 0.67a0.42 0.24 2.12a2.69 11.76 8.69 63.47
195030.47 11.74 10.82a3.23 1.42 1.62 0.10 0.80 1.24 18.06 14.77 12.78 107.05
195117.71 10.08 10.70 1.91 2.69 0.00 0.42 0.07 0.18 6.56a9.51a16.88 76.71
19529.92 8.02 4.10 1.73 0.62 2.28a0.00 0.06 0.05 0.49 2.61 15.11 44.99
195323.12 6.49 8.32 3.78 4.08 1.67 0.00 3.24 1.10 2.13b11.87 10.57 76.37
195416.28 11.76 3.45 5.27 1.75 2.17 0.31a0.66 1.08 3.04 8.56 9.80 64.13
19554.73 4.52 13.04 5.22 0.21 0.57 -----z0.00 1.47 6.69 9.61 14.35 60.41a
195618.04 13.71 10.00 -----z0.80l0.43 0.07 -----z0.09 9.00 1.30 6.62 59.26c
19575.85 9.74 11.54 3.77b3.78 1.00 0.29 0.15 0.90 3.91 4.63 13.58c59.14
195814.01 12.52 3.65 6.47 0.98 1.56 0.00 -----z1.12 3.61 13.63 7.35 64.90a
195916.71 8.37 8.18 0.61 2.14 1.71 -----z-----z3.05 2.18 2.54a6.04 51.53b
19606.56 12.69 11.84 6.99 3.74 0.13 0.00 -----z0.62 4.12 16.91 4.73 68.33a
19619.24 19.69 13.71 2.79 3.31 0.66 0.48 0.38 0.54 5.55 8.33 11.80 76.48
19622.05 8.13 10.91 5.38 2.25 0.54 0.00 1.17 2.71 -----z10.81 -----z43.95b
1963-----z9.81 9.92 7.15 5.31 1.24 0.62 0.34 1.30 5.84 11.89 7.13 60.55a
196420.64 3.27 8.50 2.29 1.15 1.18 0.40 0.51 0.53 1.47 11.41 24.69a76.04
196520.19 2.36 0.88 3.94 2.32 0.45 0.12 0.69 0.00 3.35 11.02 11.68 57.00
196617.98 4.53 14.24 1.54 0.90 0.54 0.23 0.18 1.14 3.71 8.73 11.86 65.58
196716.37 3.16 8.42 3.34 0.97 0.40 0.00 0.00 1.85 8.36 6.82 9.79 59.48
196810.15 12.95 6.72 1.27 4.05 1.59 0.20 5.26 2.07 6.89 10.10 17.97 79.22
196912.12 6.05 4.88 1.84 1.72 1.34 0.00 0.00 4.07 4.58 4.69 15.40 56.69
197025.73 7.14 3.47 4.35c1.14 0.47 0.00 0.00 1.61 6.31 12.38 20.38 82.98
197115.44 7.54c12.61 6.08 2.90 2.31 0.03 1.08 4.38 4.26 13.24 16.20 86.07
197216.56 9.67 9.36 8.14 2.03 2.04 0.00 0.58 2.56 0.98 7.53 12.53 71.98
197310.72 2.65 4.76 1.68 1.69 1.45 0.00 0.41 4.00 3.05 27.98 19.97 78.36
197419.90 11.14 13.65 4.00 1.80 1.09 1.63 0.00 0.09 0.23a9.58 14.24 77.35
197510.96 12.34 9.96 3.61 2.67 0.78 0.80 1.54 0.00 5.94 9.83 12.21 70.64
197610.54 12.13 7.44 2.32 1.34 0.24 0.68 1.80 0.55 2.08 1.86 2.41 43.39
19771.33 5.66 10.82 0.98 4.75 0.62 0.03 1.80 1.48 4.87 10.52 16.87 59.73
197811.67 7.10 3.36 6.76 4.70 0.46 0.47 1.61 3.77 0.71 4.39 5.43 50.43
19794.01 15.01 4.35 4.73 3.80 0.53 0.61 1.15 3.03 9.86 6.57 10.43 64.08
198012.93 7.79 6.36 6.13 0.83 2.02 0.21 0.00 0.78 1.66 8.56 19.65 66.92
19812.86 6.18 5.37 4.02 3.24 3.78 0.25 0.00 3.86 8.35 11.25 22.76 71.92
198213.05 12.71a6.00 9.57 0.40 1.44 0.39 0.13 2.33 6.16 9.01 18.21 79.40
198312.28 16.22 17.02 3.68 2.53 1.78 1.62 1.64 0.52 1.25 17.98 12.30 88.82
19844.69 10.84 6.46 5.35 4.21 3.46 0.60 0.10 1.28 6.47 22.47 6.80 72.73
19850.42 5.96 6.02 1.88 1.35 4.19 0.46 0.54 1.57 5.55 5.84 6.01 39.79
198612.08 14.63 5.42 3.43 1.89 0.50 0.90 0.00 4.71 4.61 13.63 6.64 68.44
198713.21 8.60 7.31 2.39 2.67 0.19 1.33 0.00 0.11 0.31 6.07 18.47 60.66
198813.11 2.39 7.75 4.39 4.29 3.27 0.08 0.06 0.75 0.38 18.20 7.07 61.74
19898.90 4.84 10.64 2.00 1.91 1.07 0.33 1.12 0.60 4.17 4.43 5.50 45.51
199017.84 10.31 3.69 3.51 2.74 1.76 0.38 1.35 0.62 5.47 8.59 5.25 61.51
19915.24a5.58 8.53 6.63 3.53 1.10 0.26 0.88 0.03 3.07 8.61 4.39 47.85
19929.29 8.16 1.37 7.00 0.27 0.31 0.54 0.54 1.51 4.36 8.49 11.06 52.90
19937.40 2.25 8.28 9.99 6.07 2.67 1.00 0.35 0.01 1.13 1.79 12.27 53.21
19946.72 7.87 5.02 3.64 1.87 2.27 0.05 0.00 1.30 5.96 11.69 12.91 59.30
199517.30 8.68 10.06 7.42 1.75 1.83 0.08 0.91 4.08 4.46 13.46 18.38 88.41
199616.29 21.86 3.62 8.44 4.88 0.35 1.35 0.13 1.85 5.85 14.18 27.63 106.43
199713.83 3.59 10.22 4.98 2.97 1.64 0.36 1.41 5.07 12.14 8.26 7.05 71.52
199816.00 12.57 8.66 1.98 5.73 0.47 0.00 0.00 1.57 2.82 20.43 19.17 89.40
199918.11 24.49 9.46 1.66 3.76 0.64 0.12 0.55 0.04 4.41 13.03 13.35 89.62
200012.88 10.24 4.00 2.20 4.14 1.73 0.14 0.00 1.12 3.85 3.90 8.02 52.22
20013.53 2.66 4.10 3.56 2.57 2.65 0.40 1.01 0.69 4.20 15.17 17.93 58.47
200216.84 5.85 10.48 2.96 1.67 1.10 0.00 -----z0.75 0.53 7.88 17.48 65.54a
200310.40 5.27 11.25 6.48 1.50 0.19 0.03 0.14 1.19 2.51 9.77 15.56 64.29
200411.61 8.01 4.33 4.44 2.11 1.81 0.00 2.05 3.85 5.44 2.77 7.79 54.21
20055.54 0.75 8.12 4.06 4.56 3.56 0.13 0.19 0.44 4.87 9.96 19.93 62.11
200626.98 4.99 7.46 3.28 1.69 1.32 0.12 0.02 0.62 1.32 26.71 13.76 88.27
20076.94 11.60 4.17 3.40 1.47 0.52 0.39 0.67 1.17 6.27 7.39 19.06a63.05
200814.37 5.17 7.92 4.23 0.45 0.91 0.02 1.32 0.25 2.80 7.51 10.62 55.57
20096.98 5.85 7.99 2.77 5.17 2.64 0.72 0.19 1.61 5.35 12.18a8.91 60.36
201011.40 7.85 11.20 8.87 2.81 4.21 0.07 0.65 2.07 6.49 9.43 17.39 82.44
20116.20 7.49 14.17 7.46 3.28 0.56 1.12 0.02a0.26 2.58 11.57 7.18 61.89
201217.10 6.50 18.81 2.66g2.58 2.16f0.52 0.00 0.00 6.80 13.23 17.81 83.35b
20133.34 4.02 4.11 4.34 3.26 1.36 0.00 0.36 10.20 1.23 4.61 3.39 40.22
20145.55 15.03 15.81 5.28 3.57 1.37 0.45 0.05 1.16 8.38 9.54 14.16 80.35
20155.15 8.33 5.41 2.31 0.69 0.46 0.00 0.63 1.30 3.78 6.66 26.43 61.15
201612.62 5.10 12.87 3.89 2.17 0.82 1.18 0.02 0.93 21.02 13.44 8.45 82.51
201713.51 23.16 13.03 6.89 2.08 1.47 0.00 0.15 2.40 7.59 15.51 4.97 90.76
201810.17b4.95 5.93 9.66 0.25 1.06 0.01 0.00 0.50 2.86 0.57q14.71 50.10a
20197.91 13.60 2.39 14.39 3.24 0.54 0.61 0.11 3.93 4.90b-----z-----z51.62b
2020-----z-----z-----z-----z3.79 0.99 0.00 0.01 2.67 2.47 11.62 11.32 32.87d
202116.40 10.29 4.81 1.22 0.79 1.84c0.00 0.04 1.93 5.46 9.02 19.75 71.55
20227.88 3.63 7.78 8.40 7.51 3.25i0.15 0.09 0.42 1.83 11.32 11.10 60.11a
20237.21 5.85 7.03 9.00 0.25 0.10 0.07 0.13 3.81 4.38 8.03 12.20 58.06
202418.55 8.56 10.69 1.17i-----z-----z-----z-----z-----z-----z-----z-----z37.80i
Period of Record Statistics
MEAN11.66 9.12 8.15 4.58 2.58 1.41 0.35 0.59 1.71 4.75 10.30 12.72 67.80
S.D.5.94 4.99 3.93 2.69 1.60 1.13 0.41 0.83 1.67 3.69 5.43 5.73 14.87
SKEW0.56 1.03 0.55 1.10 0.61 1.40 1.56 2.77 2.00 2.12 0.83 0.41 0.31
MAX30.47 24.49 19.33 14.39 7.51 5.56 1.65 5.26 10.20 21.02 27.98 27.63 107.05
MIN0.42 0.75 0.88 0.61 0.21 0.00 0.00 0.00 0.00 0.10 0.53 2.41 39.31
YRS85 87 87 84 83 85 85 83 88 87 85 85 70