Overview Realtime Historical Map View

Yellowstone River At Yellowstone Lk Outlet Ynp Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 449.71
01-02 441.67
01-03 450.57
01-04 449.71
01-05 446.71
01-06 445.17
01-07 445.83
01-08 457.17
01-09 462.4
01-10 447.67
01-11 443.67
01-12 447.67
01-13 446.83
01-14 432.8
01-15 426.2
01-16 429.2
01-17 468.17
01-18 466.0
01-19 473.67
01-20 473.17
01-21 470.17
01-22 468.5
01-23 469.5
01-24 466.67
01-25 492.0
01-26 504.17
01-27 478.86
01-28 477.43
01-29 477.86
01-30 479.43
01-31 478.86
02-01 476.29
02-02 471.57
02-03 474.86
02-04 478.71
02-05 480.86
02-06 483.29
02-07 477.57
02-08 495.17
02-09 496.33
02-10 496.0
02-11 493.0
02-12 490.33
02-13 491.67
02-14 494.33
02-15 499.0
02-16 497.17
02-17 503.5
02-18 500.5
02-19 509.83
02-20 534.75
02-21 536.0
02-22 532.5
02-23 535.5
02-24 531.75
02-25 497.67
02-26 506.33
02-27 538.5
02-28 534.0
02-29 470.67
03-01 537.75
03-02 529.75
03-03 541.75
03-04 535.0
03-05 547.5
03-06 546.5
03-07 540.0
03-08 538.75
03-09 538.5
03-10 538.25
03-11 531.75
03-12 531.0
03-13 527.25
03-14 500.4
03-15 481.5
03-16 477.5
03-17 477.5
03-18 475.5
03-19 471.33
03-20 499.0
03-21 473.17
03-22 474.0
03-23 474.33
03-24 491.8
03-25 488.83
03-26 505.0
03-27 498.75
03-28 493.22
03-29 496.22
03-30 494.56
03-31 523.88
04-01 499.7
04-02 510.7
04-03 511.4
04-04 509.6
04-05 536.55
04-06 534.18
04-07 543.45
04-08 536.25
04-09 534.17
04-10 533.5
04-11 540.31
04-12 543.17
04-13 544.67
04-14 552.17
04-15 576.25
04-16 575.46
04-17 580.31
04-18 578.46
04-19 584.08
04-20 585.77
04-21 581.5
04-22 586.64
04-23 593.07
04-24 620.86
04-25 633.62
04-26 644.64
04-27 659.86
04-28 675.0
04-29 694.79
04-30 704.29
05-01 717.13
05-02 715.14
05-03 725.71
05-04 755.6
05-05 781.2
05-06 811.2
05-07 844.87
05-08 872.57
05-09 937.73
05-10 957.07
05-11 1032.4
05-12 1077.47
05-13 1154.07
05-14 1150.86
05-15 1237.86
05-16 1364.0
05-17 1446.36
05-18 1506.93
05-19 1601.4
05-20 1699.43
05-21 1752.2
05-22 1848.73
05-23 1923.73
05-24 2049.33
05-25 2141.33
05-26 2231.33
05-27 2344.67
05-28 2450.67
05-29 2517.33
05-30 2700.0
05-31 2814.67
06-01 2930.0
06-02 3057.33
06-03 3187.33
06-04 3278.0
06-05 3491.43
06-06 3630.71
06-07 3760.71
06-08 3875.0
06-09 3929.33
06-10 4078.0
06-11 4156.0
06-12 4277.86
06-13 4342.86
06-14 4426.43
06-15 4413.33
06-16 4458.0
06-17 4498.0
06-18 4550.0
06-19 4660.0
06-20 4687.86
06-21 4692.14
06-22 4694.29
06-23 4698.57
06-24 4720.0
06-25 4718.57
06-26 4722.14
06-27 4729.29
06-28 4732.86
06-29 4732.86
06-30 4733.57
07-01 4730.71
07-02 4716.43
07-03 4682.14
07-04 4650.71
07-05 4510.0
07-06 4490.67
07-07 4586.43
07-08 4552.14
07-09 4510.0
07-10 4322.67
07-11 4283.33
07-12 4351.43
07-13 4155.0
07-14 4113.33
07-15 4054.0
07-16 4077.14
07-17 3994.29
07-18 3923.57
07-19 3848.57
07-20 3772.14
07-21 3695.0
07-22 3766.15
07-23 3541.43
07-24 3470.0
07-25 3375.0
07-26 3299.29
07-27 3222.14
07-28 3147.14
07-29 3074.29
07-30 3095.38
07-31 2921.43
08-01 2816.67
08-02 2673.08
08-03 2727.14
08-04 2670.0
08-05 2609.29
08-06 2556.43
08-07 2507.14
08-08 2530.0
08-09 2477.69
08-10 2420.0
08-11 2296.43
08-12 2269.23
08-13 2155.71
08-14 2110.71
08-15 2058.57
08-16 1998.46
08-17 2015.0
08-18 1965.0
08-19 1883.08
08-20 1844.62
08-21 1799.23
08-22 1686.15
08-23 1726.38
08-24 1699.23
08-25 1662.92
08-26 1565.29
08-27 1529.07
08-28 1560.92
08-29 1487.0
08-30 1455.71
08-31 1422.62
09-01 1403.14
09-02 1377.14
09-03 1343.36
09-04 1321.5
09-05 1292.71
09-06 1270.14
09-07 1236.93
09-08 1203.79
09-09 1184.5
09-10 1197.69
09-11 1152.71
09-12 1126.5
09-13 1099.36
09-14 1085.0
09-15 1075.79
09-16 1096.0
09-17 1054.21
09-18 1026.93
09-19 1022.43
09-20 1006.57
09-21 1016.31
09-22 994.86
09-23 985.86
09-24 991.08
09-25 954.86
09-26 939.93
09-27 926.79
09-28 909.79
09-29 901.79
09-30 910.85
10-01 879.67
10-02 872.54
10-03 862.46
10-04 848.46
10-05 845.07
10-06 830.86
10-07 824.14
10-08 813.79
10-09 801.5
10-10 779.43
10-11 778.21
10-12 763.36
10-13 756.07
10-14 745.14
10-15 736.69
10-16 737.92
10-17 726.79
10-18 717.29
10-19 711.43
10-20 708.5
10-21 710.17
10-22 698.21
10-23 687.36
10-24 682.86
10-25 678.21
10-26 674.79
10-27 669.07
10-28 661.21
10-29 651.07
10-30 651.64
10-31 645.14
11-01 662.25
11-02 639.43
11-03 632.0
11-04 613.85
11-05 617.33
11-06 623.08
11-07 611.31
11-08 617.75
11-09 609.62
11-10 597.54
11-11 596.08
11-12 577.67
11-13 568.92
11-14 566.69
11-15 577.64
11-16 572.86
11-17 573.92
11-18 577.17
11-19 571.83
11-20 581.46
11-21 562.36
11-22 563.0
11-23 543.31
11-24 507.58
11-25 518.55
11-26 536.17
11-27 547.91
11-28 516.31
11-29 510.15
11-30 507.15
12-01 511.33
12-02 528.0
12-03 524.0
12-04 516.4
12-05 511.8
12-06 502.56
12-07 513.11
12-08 502.5
12-09 494.6
12-10 495.2
12-11 488.7
12-12 490.2
12-13 497.89
12-14 494.44
12-15 494.78
12-16 481.3
12-17 486.75
12-18 488.38
12-19 505.71
12-20 506.57
12-21 474.14
12-22 481.57
12-23 473.43
12-24 477.38
12-25 480.0
12-26 501.86
12-27 454.43
12-28 462.0
12-29 448.86
12-30 444.71
12-31 451.71

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index