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Iowa River Near Rowan, 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
01-01 563.33
01-02 439.0
01-03 426.33
01-04 402.0
01-05 369.0
01-06 341.33
01-07 337.67
01-08 329.33
01-09 288.67
01-10 323.33
01-11 338.67
01-12 434.67
01-13 447.67
01-14 378.33
01-15 330.0
01-16 313.0
01-17 305.67
01-18 315.33
01-19 302.33
01-20 287.33
01-21 740.67
01-22 180.0
01-23 185.0
01-24 188.0
01-25 189.0
01-26 186.0
01-27 183.0
01-28 186.0
01-29 185.0
01-30 186.0
01-31 186.0
02-01 188.0
02-02 188.0
02-03 186.0
02-04 180.0
02-05 180.0
02-07 182.0
02-08 182.0
02-09 182.0
02-10 186.0
02-11 192.0
02-12 192.0
02-13 188.0
02-14 186.0
02-15 186.0
02-16 189.0
02-17 192.0
02-21 39.0
02-22 39.0
02-23 43.0
02-26 1180.0
02-27 991.0
02-28 486.0
02-29 549.0
03-01 604.0
03-02 616.5
03-03 465.0
03-04 389.0
03-05 326.5
03-06 320.5
03-07 320.5
03-08 415.5
03-09 458.5
03-10 586.67
03-11 495.33
03-12 484.75
03-13 396.17
03-14 360.14
03-15 356.5
03-16 335.02
03-17 279.19
03-18 269.91
03-19 288.34
03-20 617.03
03-21 713.1
03-22 571.7
03-23 605.47
03-24 551.18
03-25 527.94
03-26 515.85
03-27 487.71
03-28 487.57
03-29 498.93
03-30 499.07
03-31 411.0
04-01 523.86
04-02 503.36
04-03 498.36
04-04 486.6
04-05 464.07
04-06 457.47
04-07 437.6
04-08 405.47
04-09 321.69
04-10 361.47
04-11 395.4
04-12 459.43
04-13 481.14
04-14 518.43
04-15 578.15
04-16 636.38
04-17 626.0
04-18 551.62
04-19 531.0
04-20 557.62
04-21 604.21
04-22 625.71
04-23 632.36
04-24 617.07
04-25 469.77
04-26 566.29
04-27 518.64
04-28 499.07
04-29 539.93
04-30 562.98
05-01 604.17
05-02 603.39
05-03 613.36
05-04 628.79
05-05 665.47
05-06 678.2
05-07 660.27
05-08 606.93
05-09 559.87
05-10 533.07
05-11 508.07
05-12 481.6
05-13 498.53
05-14 510.64
05-15 572.29
05-16 606.43
05-17 622.93
05-18 585.33
05-19 568.67
05-20 596.21
05-21 581.93
05-22 632.07
05-23 653.27
05-24 670.07
05-25 649.33
05-26 654.73
05-27 842.93
05-28 931.27
05-29 872.6
05-30 853.93
05-31 786.53
06-01 711.93
06-02 637.53
06-03 576.33
06-04 539.27
06-05 541.79
06-06 535.07
06-07 511.64
06-08 462.6
06-09 491.2
06-10 491.33
06-11 492.2
06-12 503.29
06-13 478.5
06-14 443.21
06-15 443.0
06-16 523.47
06-17 581.53
06-18 674.07
06-19 761.29
06-20 895.21
06-21 1052.0
06-22 1037.36
06-23 1018.19
06-24 1003.79
06-25 921.89
06-26 831.51
06-27 848.41
06-28 878.05
06-29 858.86
06-30 837.43
07-01 808.64
07-02 775.79
07-03 703.0
07-04 659.57
07-05 570.8
07-06 526.67
07-07 497.71
07-08 441.71
07-09 380.0
07-10 323.0
07-11 321.93
07-12 354.14
07-13 356.36
07-14 332.6
07-15 297.0
07-16 258.43
07-17 229.71
07-18 227.21
07-19 221.65
07-20 282.7
07-21 320.63
07-22 341.91
07-23 326.64
07-24 294.29
07-25 275.14
07-26 281.99
07-27 288.13
07-28 264.61
07-29 241.75
07-30 226.93
07-31 244.97
08-01 299.68
08-02 270.45
08-03 256.86
08-04 226.16
08-05 202.95
08-06 181.28
08-07 172.39
08-08 161.1
08-09 142.95
08-10 125.81
08-11 121.64
08-12 120.7
08-13 118.69
08-14 114.94
08-15 105.01
08-16 100.82
08-17 97.44
08-18 92.86
08-19 127.48
08-20 168.82
08-21 217.22
08-22 251.16
08-23 191.6
08-24 158.92
08-25 130.35
08-26 181.66
08-27 171.19
08-28 185.62
08-29 213.64
08-30 290.16
08-31 314.95
09-01 254.02
09-02 244.71
09-03 234.29
09-04 216.4
09-05 213.77
09-06 232.81
09-07 241.86
09-08 258.02
09-09 284.99
09-10 299.21
09-11 324.21
09-12 318.97
09-13 297.01
09-14 268.08
09-15 236.64
09-16 219.73
09-17 233.11
09-18 252.9
09-19 272.47
09-20 339.86
09-21 406.88
09-22 598.93
09-23 671.38
09-24 812.9
09-25 771.09
09-26 667.23
09-27 570.91
09-28 499.2
09-29 447.25
09-30 422.99
10-01 276.17
10-02 264.15
10-03 295.73
10-04 300.02
10-05 360.27
10-06 354.16
10-07 361.06
10-08 398.22
10-09 425.25
10-10 444.65
10-11 452.54
10-12 455.01
10-13 421.57
10-14 377.3
10-15 377.9
10-16 224.08
10-17 289.82
10-18 266.85
10-19 244.98
10-20 232.06
10-21 160.4
10-22 234.69
10-23 265.55
10-24 268.71
10-25 260.25
10-26 243.27
10-27 242.04
10-28 242.34
10-29 243.36
10-30 243.51
10-31 223.61
11-01 203.03
11-02 195.22
11-03 181.57
11-04 172.49
11-05 173.03
11-06 158.98
11-07 161.07
11-08 160.9
11-09 152.71
11-10 144.82
11-11 141.8
11-12 151.78
11-13 151.96
11-14 162.79
11-15 160.34
11-16 152.42
11-17 146.58
11-18 140.23
11-19 145.45
11-20 142.18
11-21 154.47
11-22 159.39
11-23 169.97
11-24 174.08
11-25 174.94
11-26 171.94
11-27 183.85
11-28 166.4
11-29 229.09
11-30 230.27
12-01 217.82
12-02 240.05
12-03 249.09
12-04 240.6
12-05 245.22
12-06 253.86
12-07 257.88
12-08 225.44
12-09 257.84
12-10 259.76
12-11 226.7
12-12 229.66
12-13 195.4
12-14 139.96
12-15 134.83
12-16 141.33
12-17 468.17
12-18 567.2
12-19 506.8
12-20 179.5
12-21 181.0
12-22 482.0
12-23 444.75
12-24 417.5
12-25 391.25
12-26 373.75
12-27 408.33
12-28 399.67
12-29 195.0
12-30 405.5
12-31 474.25

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index