Overview Realtime Historical Map View

Tualatin River Near Dilley, Or Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 696.67
01-02 696.18
01-03 661.36
01-04 730.92
01-05 716.42
01-06 686.0
01-07 784.82
01-08 814.25
01-09 780.18
01-10 767.5
01-11 795.92
01-12 823.91
01-13 1050.91
01-14 947.36
01-15 823.75
01-16 770.0
01-17 774.15
01-18 744.5
01-19 824.46
01-20 902.77
01-21 834.82
01-22 842.15
01-23 783.75
01-24 762.85
01-25 735.75
01-26 689.42
01-27 678.85
01-28 667.58
01-29 695.77
01-30 643.5
01-31 636.5
02-01 635.57
02-02 600.54
02-03 592.64
02-04 558.0
02-05 523.07
02-06 465.5
02-07 511.54
02-08 526.92
02-09 479.43
02-10 435.92
02-11 407.0
02-12 411.29
02-13 501.5
02-14 469.57
02-15 448.85
02-16 479.57
02-17 487.85
02-18 536.38
02-19 531.64
02-20 515.21
02-21 475.36
02-22 452.86
02-23 464.43
02-24 525.0
02-25 612.58
02-26 587.46
02-27 534.93
02-28 502.36
02-29 553.0
03-01 623.57
03-02 656.93
03-03 612.86
03-04 573.57
03-05 559.64
03-06 552.57
03-07 589.57
03-08 550.93
03-09 524.93
03-10 569.71
03-11 583.0
03-12 567.93
03-13 607.21
03-14 631.71
03-15 670.43
03-16 830.86
03-17 782.79
03-18 720.43
03-19 687.27
03-20 618.5
03-21 593.4
03-22 599.57
03-23 543.27
03-24 514.6
03-25 514.07
03-26 502.4
03-27 492.53
03-28 501.8
03-29 528.07
03-30 620.4
03-31 676.43
04-01 604.13
04-02 550.27
04-03 490.07
04-04 438.73
04-05 425.0
04-06 393.71
04-07 407.0
04-08 448.73
04-09 433.62
04-10 460.67
04-11 467.4
04-12 469.86
04-13 459.64
04-14 456.53
04-15 447.11
04-16 445.62
04-17 419.88
04-18 403.15
04-19 371.98
04-20 360.21
04-21 338.04
04-22 340.11
04-23 352.25
04-24 355.39
04-25 353.35
04-26 335.26
04-27 309.91
04-28 295.14
04-29 269.62
04-30 257.79
05-01 268.47
05-02 245.44
05-03 223.14
05-04 248.52
05-05 251.52
05-06 235.12
05-07 239.07
05-08 215.84
05-09 223.63
05-10 219.53
05-11 199.95
05-12 196.74
05-13 207.06
05-14 200.4
05-15 210.15
05-16 217.9
05-17 203.77
05-18 177.31
05-19 179.06
05-20 169.39
05-21 153.27
05-22 154.4
05-23 153.37
05-24 157.22
05-25 154.87
05-26 151.75
05-27 147.79
05-28 159.47
05-29 156.25
05-30 158.93
05-31 148.55
06-01 144.6
06-02 148.07
06-03 148.53
06-04 149.6
06-05 156.07
06-06 168.34
06-07 162.06
06-08 169.16
06-09 165.8
06-10 167.95
06-11 169.26
06-12 166.33
06-13 165.84
06-14 163.0
06-15 154.75
06-16 164.0
06-17 159.73
06-18 155.75
06-19 162.63
06-20 163.87
06-21 164.26
06-22 166.43
06-23 168.36
06-24 175.79
06-25 177.07
06-26 176.57
06-27 176.0
06-28 183.64
06-29 181.71
06-30 179.57
07-01 178.93
07-02 187.93
07-03 193.36
07-04 195.15
07-05 194.33
07-06 192.47
07-07 198.0
07-08 198.57
07-09 200.64
07-10 203.53
07-11 200.07
07-12 205.07
07-13 220.57
07-14 212.79
07-15 210.29
07-16 211.23
07-17 216.5
07-18 218.46
07-19 214.43
07-20 213.79
07-21 216.43
07-22 215.36
07-23 217.29
07-24 217.57
07-25 220.71
07-26 226.79
07-27 229.36
07-28 235.86
07-29 241.86
07-30 242.08
07-31 240.5
08-01 237.0
08-02 240.85
08-03 244.57
08-04 240.14
08-05 237.43
08-06 238.43
08-07 238.57
08-08 230.15
08-09 229.31
08-10 228.54
08-11 234.14
08-12 237.93
08-13 238.07
08-14 237.43
08-15 238.71
08-16 240.54
08-17 243.23
08-18 242.17
08-19 233.15
08-20 234.23
08-21 227.54
08-22 225.92
08-23 221.79
08-24 220.08
08-25 216.23
08-26 221.64
08-27 224.57
08-28 222.21
08-29 216.57
08-30 213.36
08-31 212.31
09-01 215.29
09-02 222.5
09-03 225.0
09-04 223.21
09-05 217.64
09-06 210.36
09-07 209.0
09-08 208.43
09-09 211.43
09-10 214.5
09-11 211.93
09-12 209.36
09-13 212.85
09-14 201.93
09-15 195.79
09-16 190.21
09-17 182.43
09-18 181.36
09-19 175.86
09-20 169.54
09-21 163.07
09-22 159.5
09-23 160.43
09-24 159.77
09-25 159.86
09-26 165.38
09-27 151.0
09-28 147.86
09-29 167.69
09-30 179.08
10-01 190.73
10-02 180.77
10-03 164.58
10-04 148.85
10-05 140.57
10-06 141.31
10-07 132.93
10-08 141.29
10-09 136.21
10-10 137.29
10-11 135.96
10-12 141.24
10-13 131.37
10-14 150.29
10-15 157.05
10-16 159.43
10-17 163.64
10-18 170.82
10-19 165.57
10-20 173.05
10-21 159.57
10-22 174.05
10-23 207.81
10-24 182.95
10-25 156.57
10-26 154.56
10-27 182.36
10-28 153.52
10-29 152.79
10-30 171.14
10-31 162.44
11-01 176.87
11-02 197.27
11-03 171.18
11-04 152.71
11-05 225.29
11-06 246.92
11-07 273.0
11-08 283.28
11-09 224.58
11-10 198.95
11-11 192.69
11-12 190.82
11-13 292.85
11-14 299.31
11-15 277.23
11-16 277.21
11-17 265.95
11-18 266.29
11-19 279.02
11-20 451.18
11-21 447.29
11-22 426.31
11-23 357.52
11-24 376.95
11-25 435.05
11-26 467.58
11-27 426.77
11-28 371.86
11-29 399.04
11-30 356.52
12-01 376.83
12-02 433.78
12-03 494.98
12-04 501.51
12-05 506.06
12-06 469.63
12-07 548.59
12-08 697.22
12-09 633.28
12-10 659.14
12-11 680.7
12-12 695.93
12-13 603.38
12-14 561.5
12-15 480.38
12-16 522.85
12-17 505.92
12-18 456.33
12-19 655.02
12-20 662.17
12-21 842.77
12-22 876.42
12-23 765.23
12-24 730.46
12-25 700.54
12-26 665.0
12-27 713.0
12-28 886.36
12-29 762.27
12-30 737.45
12-31 749.45

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index