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Flathead River At Flathead British Columbia Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 492.84
01-02 646.3
01-03 697.75
01-04 315.4
01-05 304.0
01-06 225.75
01-07 216.5
01-08 210.0
01-09 210.5
01-10 232.0
01-11 195.4
01-12 221.33
01-13 297.75
01-14 304.25
01-15 317.75
01-16 350.67
01-17 365.33
01-18 350.33
01-19 346.67
01-20 378.0
01-21 252.0
01-22 252.0
01-23 248.0
01-24 227.0
01-25 234.0
01-26 224.0
01-27 214.0
01-28 198.0
01-31 141.0
02-01 160.0
02-02 241.0
02-03 282.5
02-04 291.5
02-05 298.5
02-06 375.0
02-07 371.0
02-08 715.5
02-09 807.5
02-10 730.5
02-11 650.0
02-12 613.0
02-13 579.5
02-14 585.5
02-15 573.5
02-16 549.5
02-17 413.33
02-18 403.67
02-19 645.0
02-20 406.5
02-21 398.0
02-22 330.67
02-23 316.33
02-24 313.0
02-25 283.5
02-26 274.75
02-27 262.6
02-28 244.67
02-29 211.5
03-01 252.8
03-02 247.6
03-03 248.8
03-04 249.2
03-05 274.25
03-06 276.5
03-07 286.0
03-08 279.5
03-09 302.5
03-10 274.2
03-11 273.6
03-12 244.29
03-13 238.25
03-14 241.03
03-15 277.75
03-16 445.67
03-17 443.13
03-18 390.88
03-19 382.25
03-20 517.11
03-21 889.5
03-22 893.0
03-23 740.3
03-24 618.73
03-25 555.25
03-26 502.08
03-27 467.23
03-28 473.46
03-29 515.29
03-30 494.14
03-31 487.07
04-01 461.53
04-02 457.67
04-03 477.57
04-04 438.54
04-05 467.08
04-06 493.25
04-07 494.07
04-08 506.64
04-09 519.5
04-10 591.86
04-11 609.93
04-12 631.62
04-13 629.69
04-14 648.17
04-15 506.8
04-16 479.82
04-17 602.82
04-18 628.75
04-19 661.67
04-20 713.75
04-21 1001.46
04-22 1066.5
04-23 1268.43
04-24 1460.29
04-25 1663.38
04-26 1607.93
04-27 1606.0
04-28 1608.79
04-29 1583.86
04-30 1688.0
05-01 1862.07
05-02 2111.69
05-03 2344.31
05-04 2497.93
05-05 2878.21
05-06 3156.79
05-07 3440.69
05-08 2885.0
05-09 3114.62
05-10 2687.5
05-11 2865.38
05-12 3007.86
05-13 3349.29
05-14 3410.83
05-15 3323.33
05-16 3303.08
05-17 3545.38
05-18 3499.29
05-19 3260.0
05-20 3079.23
05-21 2890.0
05-22 3045.71
05-23 3368.46
05-24 3503.08
05-25 3481.54
05-26 3381.54
05-27 3522.31
05-28 3611.54
05-29 3643.08
05-30 3654.62
05-31 3433.85
06-01 3586.92
06-02 3957.14
06-03 3942.14
06-04 3710.93
06-05 3548.92
06-06 3448.62
06-07 3428.23
06-08 2963.31
06-09 2964.43
06-10 2799.93
06-11 2981.47
06-12 2966.43
06-13 2829.57
06-14 3023.86
06-15 2889.0
06-16 2583.4
06-17 2501.4
06-18 2790.4
06-19 3068.0
06-20 2950.93
06-21 3425.57
06-22 2995.43
06-23 2713.79
06-24 2678.93
06-25 2644.79
06-26 2217.57
06-27 2199.71
06-28 2112.71
06-29 2042.43
06-30 2233.71
07-01 2064.93
07-02 2005.86
07-03 1953.93
07-04 1995.77
07-05 1698.67
07-06 1637.0
07-07 1426.29
07-08 1360.21
07-09 1131.93
07-10 1025.27
07-11 999.08
07-12 957.69
07-13 925.36
07-14 886.67
07-15 881.71
07-16 907.08
07-17 825.57
07-18 808.46
07-19 755.07
07-20 710.21
07-21 685.57
07-22 684.69
07-23 665.5
07-24 640.0
07-25 597.93
07-26 572.0
07-27 565.64
07-28 545.71
07-29 518.64
07-30 516.62
07-31 478.86
08-01 461.92
08-02 459.85
08-03 466.86
08-04 445.93
08-05 421.57
08-06 407.14
08-07 394.0
08-08 390.92
08-09 392.69
08-10 383.25
08-11 366.14
08-12 349.57
08-13 339.71
08-14 327.64
08-15 322.14
08-16 319.46
08-17 310.85
08-18 324.58
08-19 314.0
08-20 303.0
08-21 298.85
08-22 298.83
08-23 279.21
08-24 277.69
08-25 273.54
08-26 267.36
08-27 261.93
08-28 256.07
08-29 249.0
08-30 246.21
08-31 262.23
09-01 258.21
09-02 248.0
09-03 239.36
09-04 241.5
09-05 235.79
09-06 234.07
09-07 234.79
09-08 232.64
09-09 231.21
09-10 230.21
09-11 223.5
09-12 224.71
09-13 219.62
09-14 216.86
09-15 216.64
09-16 225.57
09-17 219.86
09-18 216.36
09-19 224.86
09-20 227.71
09-21 222.86
09-22 220.38
09-23 219.71
09-24 215.71
09-25 217.43
09-26 216.43
09-27 218.93
09-28 219.14
09-29 216.57
09-30 260.69
10-01 254.08
10-02 241.0
10-03 235.54
10-04 231.75
10-05 222.14
10-06 216.57
10-07 215.79
10-08 223.86
10-09 247.93
10-10 273.5
10-11 252.07
10-12 250.71
10-13 252.21
10-14 248.57
10-15 296.46
10-16 297.54
10-17 298.93
10-18 290.14
10-19 293.46
10-20 281.62
10-21 280.15
10-22 266.64
10-23 266.43
10-24 263.71
10-25 255.43
10-26 260.0
10-27 275.0
10-28 384.6
10-29 390.75
10-30 506.15
10-31 420.15
11-01 450.85
11-02 439.08
11-03 444.42
11-04 384.21
11-05 412.43
11-06 524.0
11-07 476.08
11-08 529.85
11-09 445.0
11-10 423.83
11-11 401.27
11-12 361.1
11-13 365.55
11-14 376.5
11-15 626.5
11-16 925.67
11-17 680.9
11-18 540.9
11-19 512.2
11-20 477.9
11-21 467.7
11-22 453.56
11-23 432.78
11-24 418.22
11-25 392.56
11-26 388.08
11-27 411.56
11-28 390.8
11-29 441.64
11-30 439.0
12-01 457.67
12-02 874.9
12-03 735.89
12-04 767.71
12-05 725.43
12-06 621.83
12-07 503.0
12-08 542.5
12-09 519.6
12-10 479.14
12-11 461.0
12-12 799.14
12-13 641.29
12-14 641.8
12-15 540.67
12-16 657.6
12-17 679.83
12-18 661.6
12-19 509.86
12-20 437.25
12-21 406.67
12-22 409.13
12-23 422.29
12-24 393.0
12-25 349.13
12-26 359.0
12-27 265.43
12-28 382.75
12-29 392.6
12-30 401.75
12-31 424.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index