Overview Realtime Historical Map View

Thunder Bay River At Herron Road Near Bolton, Mi 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 1294.0
01-02 967.5
01-03 959.5
01-04 885.33
01-05 1692.0
01-06 906.0
01-07 939.0
01-08 1010.33
01-09 702.0
01-10 678.75
01-11 1098.0
01-12 990.0
01-13 963.0
01-14 786.0
01-15 893.33
01-16 895.5
01-17 1206.0
01-18 1054.5
01-19 1084.0
01-20 974.5
01-21 1208.5
01-22 814.5
01-23 852.5
01-24 1327.5
01-25 796.5
01-26 743.5
01-27 718.0
01-28 685.0
01-29 420.0
01-30 658.33
01-31 798.33
02-01 759.5
02-02 758.5
02-03 725.5
02-04 690.0
02-05 605.5
02-06 546.5
02-07 520.0
02-08 516.5
02-09 705.33
02-10 722.0
02-11 528.0
02-12 665.0
02-13 565.0
02-14 502.0
02-15 471.0
02-16 768.5
02-17 748.0
02-18 894.5
02-19 830.5
02-20 847.5
02-21 984.0
02-23 392.0
02-24 1168.5
02-25 409.0
02-26 382.0
02-27 882.5
02-28 709.5
02-29 529.0
03-01 745.0
03-02 676.0
03-03 568.5
03-04 510.0
03-05 478.5
03-06 699.5
03-07 737.0
03-08 708.0
03-09 745.8
03-10 1151.43
03-11 1392.0
03-12 1411.13
03-13 1123.14
03-14 1186.56
03-15 1122.78
03-16 1045.0
03-17 944.9
03-18 1064.8
03-19 995.45
03-20 902.18
03-21 904.73
03-22 856.4
03-23 824.18
03-24 781.36
03-25 783.36
03-26 774.91
03-27 799.64
03-28 818.45
03-29 843.64
03-30 893.82
03-31 831.9
04-01 1116.0
04-02 1334.71
04-03 1333.46
04-04 1323.15
04-05 1313.69
04-06 1286.69
04-07 1299.77
04-08 1235.46
04-09 1195.71
04-10 1094.21
04-11 1076.47
04-12 1101.93
04-13 1135.71
04-14 1193.79
04-15 1295.77
04-16 1411.38
04-17 1388.0
04-18 1343.69
04-19 1258.08
04-20 1208.08
04-21 1166.5
04-22 1115.07
04-23 1093.64
04-24 1091.07
04-25 971.31
04-26 1109.36
04-27 1032.21
04-28 975.0
04-29 863.57
04-30 833.93
05-01 964.6
05-02 1023.07
05-03 996.07
05-04 1029.07
05-05 1007.13
05-06 975.47
05-07 883.87
05-08 784.21
05-09 731.27
05-10 673.79
05-11 704.27
05-12 702.47
05-13 679.4
05-14 680.33
05-15 703.29
05-16 681.29
05-17 646.43
05-18 625.27
05-19 624.2
05-20 689.64
05-21 684.73
05-22 641.73
05-23 607.47
05-24 580.87
05-25 566.4
05-26 564.47
05-27 567.93
05-28 576.33
05-29 561.4
05-30 544.0
05-31 531.53
06-01 504.27
06-02 483.93
06-03 476.0
06-04 473.6
06-05 457.21
06-06 417.13
06-07 409.21
06-08 391.13
06-09 395.47
06-10 390.2
06-11 393.8
06-12 403.29
06-13 429.21
06-14 440.29
06-15 459.2
06-16 468.53
06-17 455.93
06-18 445.2
06-19 443.64
06-20 435.79
06-21 446.57
06-22 437.5
06-23 437.57
06-24 442.71
06-25 460.57
06-26 472.29
06-27 456.64
06-28 443.71
06-29 421.29
06-30 410.21
07-01 394.86
07-02 385.86
07-03 372.0
07-04 339.57
07-05 319.0
07-06 313.27
07-07 318.64
07-08 338.64
07-09 358.79
07-10 359.13
07-11 344.13
07-12 331.93
07-13 306.0
07-14 295.86
07-15 313.07
07-16 303.71
07-17 328.27
07-18 329.13
07-19 348.73
07-20 366.13
07-21 361.2
07-22 283.5
07-23 281.93
07-24 263.5
07-25 268.43
07-26 278.36
07-27 312.21
07-28 344.07
07-29 360.64
07-30 351.21
07-31 318.43
08-01 295.75
08-02 273.43
08-03 269.5
08-04 274.07
08-05 280.36
08-06 295.14
08-07 286.86
08-08 272.31
08-09 264.38
08-10 265.62
08-11 294.14
08-12 322.86
08-13 356.0
08-14 393.36
08-15 398.93
08-16 380.15
08-17 358.77
08-18 352.67
08-19 337.85
08-20 334.08
08-21 317.62
08-22 303.25
08-23 311.5
08-24 301.46
08-25 288.23
08-26 276.57
08-27 271.79
08-28 262.79
08-29 274.71
08-30 281.5
08-31 302.14
09-01 297.86
09-02 296.46
09-03 293.08
09-04 328.38
09-05 346.0
09-06 391.64
09-07 414.36
09-08 410.64
09-09 385.86
09-10 369.07
09-11 356.07
09-12 350.93
09-13 343.57
09-14 345.14
09-15 343.93
09-16 321.93
09-17 301.57
09-18 297.86
09-19 300.21
09-20 300.57
09-21 302.21
09-22 309.08
09-23 324.29
09-24 345.0
09-25 353.79
09-26 354.07
09-27 347.64
09-28 342.5
09-29 338.71
09-30 337.54
10-01 349.08
10-02 368.23
10-03 383.23
10-04 386.15
10-05 399.5
10-06 425.36
10-07 435.29
10-08 435.71
10-09 424.79
10-10 414.36
10-11 413.14
10-12 413.79
10-13 410.64
10-14 419.86
10-15 439.0
10-16 457.0
10-17 488.5
10-18 508.79
10-19 511.07
10-20 514.86
10-21 560.85
10-22 587.5
10-23 611.93
10-24 655.14
10-25 714.07
10-26 836.36
10-27 825.64
10-28 789.21
10-29 761.07
10-30 743.93
10-31 706.36
11-01 685.43
11-02 669.21
11-03 677.43
11-04 664.86
11-05 653.86
11-06 610.23
11-07 615.69
11-08 623.46
11-09 609.08
11-10 611.69
11-11 631.85
11-12 649.46
11-13 633.54
11-14 620.15
11-15 600.31
11-16 591.85
11-17 596.46
11-18 616.91
11-19 636.55
11-20 659.1
11-21 630.0
11-22 611.58
11-23 588.75
11-24 518.82
11-25 560.5
11-26 604.62
11-27 641.62
11-28 669.31
11-29 717.92
11-30 691.0
12-01 641.5
12-02 583.27
12-03 597.3
12-04 591.8
12-05 574.18
12-06 600.89
12-07 568.67
12-08 563.0
12-09 541.44
12-10 545.75
12-11 696.13
12-12 684.29
12-13 798.33
12-14 493.6
12-15 501.5
12-16 539.67
12-17 709.43
12-18 760.86
12-19 696.0
12-20 583.5
12-21 471.67
12-22 573.71
12-23 547.83
12-24 574.2
12-25 602.6
12-26 629.0
12-27 820.83
12-28 730.6
12-29 738.5
12-30 941.4
12-31 968.25

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index