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Mashel River Near La Grande, Wa Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 371.42
01-02 356.45
01-03 529.09
01-04 366.58
01-05 515.5
01-06 559.25
01-07 873.17
01-08 553.58
01-09 460.45
01-10 406.92
01-11 379.92
01-12 527.5
01-13 667.42
01-14 465.83
01-15 347.5
01-16 325.58
01-17 292.69
01-18 335.58
01-19 400.42
01-20 404.85
01-21 545.42
01-22 456.23
01-23 508.0
01-24 528.69
01-25 482.75
01-26 401.78
01-27 357.52
01-28 481.13
01-29 421.38
01-30 538.49
01-31 518.13
02-01 448.85
02-02 482.92
02-03 402.5
02-04 351.07
02-05 361.38
02-06 628.31
02-07 838.92
02-08 548.42
02-09 338.86
02-10 284.08
02-11 262.25
02-12 281.92
02-13 283.92
02-14 319.85
02-15 288.93
02-16 398.15
02-17 407.85
02-18 429.46
02-19 373.71
02-20 295.92
02-21 289.38
02-22 476.57
02-23 487.77
02-24 308.69
02-25 332.08
02-26 310.32
02-27 275.67
02-28 300.0
02-29 403.5
03-01 612.15
03-02 391.06
03-03 348.02
03-04 336.63
03-05 304.47
03-06 343.42
03-07 342.74
03-08 262.11
03-09 303.14
03-10 408.7
03-11 369.97
03-12 358.16
03-13 466.66
03-14 681.26
03-15 478.04
03-16 631.61
03-17 511.34
03-18 480.55
03-19 430.39
03-20 399.39
03-21 418.3
03-22 393.14
03-23 341.39
03-24 333.05
03-25 362.79
03-26 349.9
03-27 339.52
03-28 320.25
03-29 308.89
03-30 504.07
03-31 396.0
04-01 342.0
04-02 316.67
04-03 275.47
04-04 252.53
04-05 270.4
04-06 309.21
04-07 335.13
04-08 387.0
04-09 379.54
04-10 352.2
04-11 443.67
04-12 404.14
04-13 353.43
04-14 327.79
04-15 324.15
04-16 306.08
04-17 313.33
04-18 295.46
04-19 285.23
04-20 405.77
04-21 341.64
04-22 275.64
04-23 308.79
04-24 310.0
04-25 337.69
04-26 288.74
04-27 275.19
04-28 264.21
04-29 229.81
04-30 204.85
05-01 248.32
05-02 220.19
05-03 204.06
05-04 255.43
05-05 261.4
05-06 258.01
05-07 276.66
05-08 253.52
05-09 253.8
05-10 257.24
05-11 232.74
05-12 196.35
05-13 166.92
05-14 173.06
05-15 212.9
05-16 350.68
05-17 261.66
05-18 208.31
05-19 196.23
05-20 169.77
05-21 158.51
05-22 164.25
05-23 180.34
05-24 175.93
05-25 155.49
05-26 157.26
05-27 148.75
05-28 136.91
05-29 134.71
05-30 141.01
05-31 156.08
06-01 124.18
06-02 116.74
06-03 147.95
06-04 124.34
06-05 106.41
06-06 169.35
06-07 129.35
06-08 136.81
06-09 160.54
06-10 182.61
06-11 135.35
06-12 119.76
06-13 111.7
06-14 164.69
06-15 135.13
06-16 182.18
06-17 154.09
06-18 133.51
06-19 146.91
06-20 121.33
06-21 96.79
06-22 99.73
06-23 83.4
06-24 101.58
06-25 90.38
06-26 77.04
06-27 73.49
06-28 70.26
06-29 75.67
06-30 65.46
07-01 65.7
07-02 56.03
07-03 51.88
07-04 62.62
07-05 47.92
07-06 42.96
07-07 42.38
07-08 37.28
07-09 34.28
07-10 38.99
07-11 36.14
07-12 33.27
07-13 32.06
07-14 29.89
07-15 28.84
07-16 24.73
07-17 29.21
07-18 29.17
07-19 29.41
07-20 26.58
07-21 31.85
07-22 27.47
07-23 26.3
07-24 35.4
07-25 24.87
07-26 24.04
07-27 21.5
07-28 19.81
07-29 18.1
07-30 17.65
07-31 16.32
08-01 15.23
08-02 14.73
08-03 14.8
08-04 14.29
08-05 14.02
08-06 13.27
08-07 15.31
08-08 15.5
08-09 16.66
08-10 16.94
08-11 16.21
08-12 15.03
08-13 14.73
08-14 19.45
08-15 15.35
08-16 13.64
08-17 15.68
08-18 12.93
08-19 12.22
08-20 11.61
08-21 11.16
08-22 10.77
08-23 11.49
08-24 11.28
08-25 10.22
08-26 9.76
08-27 9.45
08-28 10.45
08-29 10.29
08-30 17.26
08-31 14.09
09-01 12.5
09-02 14.2
09-03 14.66
09-04 12.65
09-05 12.3
09-06 15.3
09-07 50.35
09-08 22.23
09-09 16.59
09-10 15.93
09-11 15.87
09-12 18.62
09-13 13.12
09-14 13.45
09-15 12.22
09-16 18.14
09-17 17.2
09-18 23.16
09-19 28.79
09-20 28.26
09-21 24.26
09-22 18.59
09-23 22.24
09-24 41.92
09-25 33.11
09-26 30.93
09-27 39.14
09-28 41.67
09-29 147.29
09-30 128.23
10-01 183.38
10-02 88.54
10-03 64.49
10-04 51.34
10-05 38.83
10-06 35.54
10-07 36.79
10-08 41.11
10-09 56.67
10-10 66.33
10-11 61.35
10-12 83.65
10-13 72.86
10-14 92.06
10-15 105.45
10-16 120.15
10-17 93.16
10-18 94.37
10-19 117.74
10-20 165.13
10-21 133.36
10-22 354.23
10-23 172.46
10-24 131.41
10-25 123.52
10-26 116.45
10-27 172.42
10-28 137.07
10-29 150.12
10-30 164.32
10-31 295.45
11-01 225.52
11-02 199.85
11-03 183.61
11-04 153.42
11-05 331.74
11-06 308.0
11-07 298.69
11-08 280.0
11-09 212.08
11-10 215.54
11-11 171.84
11-12 375.28
11-13 365.82
11-14 349.42
11-15 267.36
11-16 271.51
11-17 210.96
11-18 220.02
11-19 254.14
11-20 419.99
11-21 292.97
11-22 360.84
11-23 442.29
11-24 490.49
11-25 393.58
11-26 518.25
11-27 368.98
11-28 383.78
11-29 342.7
11-30 247.01
12-01 258.05
12-02 393.35
12-03 346.79
12-04 313.42
12-05 386.45
12-06 568.48
12-07 356.65
12-08 395.33
12-09 715.22
12-10 638.12
12-11 478.31
12-12 552.71
12-13 352.0
12-14 295.0
12-15 234.02
12-16 238.92
12-17 443.92
12-18 416.75
12-19 558.5
12-20 568.33
12-21 736.46
12-22 644.17
12-23 509.77
12-24 478.38
12-25 420.69
12-26 366.92
12-27 425.73
12-28 455.55
12-29 408.5
12-30 426.36
12-31 388.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index