Rock River Below Tom Creek At Rock Rapids, Ia Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 577.67
01-02 602.0
01-03 492.75
01-04 587.0
01-05 525.0
01-06 518.0
01-07 480.0
01-08 522.67
01-09 579.33
01-10 564.67
01-11 535.67
01-12 540.0
01-13 540.67
01-14 466.67
01-15 424.67
01-16 433.33
01-17 453.33
01-18 493.5
01-19 452.5
01-20 438.0
01-21 427.5
01-22 447.5
01-23 601.0
01-24 522.0
01-25 658.0
01-26 664.0
01-27 623.0
01-28 629.0
01-29 623.0
01-30 618.0
01-31 517.0
02-01 442.0
02-02 425.0
02-03 618.0
02-04 493.0
02-05 456.0
02-06 456.0
02-07 434.0
02-08 404.0
02-09 384.0
02-10 376.0
02-11 380.0
02-12 392.0
02-13 376.0
02-24 92.7
02-25 95.6
02-26 105.0
02-27 66.5
02-28 74.5
02-29 66.0
03-01 676.33
03-02 557.67
03-03 697.67
03-04 581.0
03-05 513.67
03-06 446.25
03-07 577.0
03-08 843.67
03-09 871.0
03-10 774.33
03-11 641.0
03-12 417.8
03-13 391.66
03-14 376.34
03-15 394.21
03-16 974.32
03-17 1018.55
03-18 1147.53
03-19 1051.52
03-20 961.41
03-21 918.32
03-22 946.72
03-23 912.86
03-24 830.04
03-25 754.02
03-26 733.37
03-27 676.26
03-28 640.27
03-29 848.22
03-30 894.32
03-31 721.51
04-01 734.71
04-02 675.29
04-03 675.33
04-04 611.2
04-05 551.6
04-06 502.93
04-07 579.13
04-08 753.2
04-09 485.57
04-10 675.13
04-11 720.8
04-12 743.71
04-13 736.86
04-14 754.57
04-15 733.69
04-16 652.08
04-17 659.77
04-18 717.85
04-19 709.85
04-20 635.92
04-21 672.43
04-22 732.86
04-23 795.69
04-24 804.36
04-25 518.65
04-26 670.08
04-27 640.14
04-28 709.71
04-29 807.86
04-30 764.69
05-01 743.73
05-02 815.79
05-03 792.14
05-04 745.0
05-05 734.8
05-06 753.93
05-07 763.13
05-08 715.36
05-09 758.93
05-10 738.2
05-11 730.29
05-12 738.3
05-13 773.91
05-14 759.54
05-15 730.94
05-16 691.02
05-17 671.12
05-18 717.39
05-19 720.59
05-20 703.79
05-21 651.53
05-22 689.4
05-23 715.67
05-24 701.87
05-25 778.2
05-26 781.73
05-27 736.93
05-28 1102.33
05-29 1157.73
05-30 1088.73
05-31 1052.53
06-01 927.53
06-02 876.27
06-03 819.8
06-04 765.4
06-05 721.86
06-06 668.71
06-07 645.57
06-08 602.27
06-09 603.53
06-10 633.53
06-11 616.33
06-12 582.07
06-13 589.22
06-14 657.15
06-15 779.85
06-16 2109.11
06-17 2385.38
06-18 2019.57
06-19 1398.14
06-20 1120.09
06-21 1184.55
06-22 1853.29
06-23 1787.88
06-24 1524.73
06-25 1315.72
06-26 1407.8
06-27 1110.87
06-28 1024.41
06-29 895.71
06-30 770.32
07-01 760.43
07-02 816.23
07-03 785.76
07-04 719.26
07-05 680.65
07-06 857.11
07-07 1019.95
07-08 949.68
07-09 752.05
07-10 632.64
07-11 665.15
07-12 699.63
07-13 578.21
07-14 698.2
07-15 738.36
07-16 904.81
07-17 762.42
07-18 642.94
07-19 543.44
07-20 491.48
07-21 525.09
07-22 494.5
07-23 449.46
07-24 431.35
07-25 374.94
07-26 383.58
07-27 358.27
07-28 391.44
07-29 415.85
07-30 400.47
07-31 324.38
08-01 279.55
08-02 292.19
08-03 254.86
08-04 240.11
08-05 231.52
08-06 216.51
08-07 226.34
08-08 279.11
08-09 257.41
08-10 227.11
08-11 247.75
08-12 240.81
08-13 194.53
08-14 169.57
08-15 190.73
08-16 187.45
08-17 280.92
08-18 326.78
08-19 303.38
08-20 275.72
08-21 279.32
08-22 214.43
08-23 304.03
08-24 291.81
08-25 247.55
08-26 211.29
08-27 193.63
08-28 188.08
08-29 178.21
08-30 182.97
08-31 179.72
09-01 175.41
09-02 152.35
09-03 148.29
09-04 168.14
09-05 196.21
09-06 206.1
09-07 190.36
09-08 172.15
09-09 169.28
09-10 174.55
09-11 184.21
09-12 217.21
09-13 459.16
09-14 1288.99
09-15 671.16
09-16 491.68
09-17 485.98
09-18 358.34
09-19 294.51
09-20 331.25
09-21 709.86
09-22 670.65
09-23 581.61
09-24 461.14
09-25 361.21
09-26 370.22
09-27 373.72
09-28 340.69
09-29 305.39
09-30 296.65
10-01 200.69
10-02 207.19
10-03 261.14
10-04 380.93
10-05 508.61
10-06 571.84
10-07 588.36
10-08 593.79
10-09 541.42
10-10 541.84
10-11 588.64
10-12 576.51
10-13 504.04
10-14 440.7
10-15 441.78
10-16 285.34
10-17 370.91
10-18 353.83
10-19 338.51
10-20 239.94
10-21 241.65
10-22 339.15
10-23 370.75
10-24 364.8
10-25 346.71
10-26 339.03
10-27 323.56
10-28 317.31
10-29 323.66
10-30 331.89
10-31 319.43
11-01 304.63
11-02 296.46
11-03 286.3
11-04 280.01
11-05 217.32
11-06 237.24
11-07 239.12
11-08 232.97
11-09 224.21
11-10 229.63
11-11 217.06
11-12 222.16
11-13 243.43
11-14 300.53
11-15 289.4
11-16 282.3
11-17 298.84
11-18 264.94
11-19 280.04
11-20 296.58
11-21 405.8
11-22 387.17
11-23 378.78
11-24 359.46
11-25 395.5
11-26 361.7
11-27 374.61
11-28 344.61
11-29 482.11
11-30 500.21
12-01 497.06
12-02 468.23
12-03 428.5
12-04 429.7
12-05 483.79
12-06 394.53
12-07 408.16
12-08 523.73
12-09 567.54
12-10 565.27
12-11 589.73
12-12 653.28
12-13 651.1
12-14 521.32
12-15 490.96
12-16 403.98
12-17 549.5
12-18 525.75
12-19 461.75
12-20 443.0
12-21 450.67
12-22 446.5
12-23 449.75
12-24 464.25
12-25 452.0
12-26 459.0
12-27 473.33
12-28 584.0
12-29 446.5
12-30 486.67
12-31 603.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index