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Illinois River South Of Siloam Springs, Ar Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 918.08
01-02 1212.82
01-03 827.67
01-04 809.73
01-05 1036.75
01-06 749.58
01-07 655.5
01-08 670.92
01-09 604.83
01-10 628.08
01-11 1237.5
01-12 1124.58
01-13 1013.67
01-14 780.25
01-15 684.83
01-16 626.25
01-17 545.23
01-18 652.83
01-19 810.23
01-20 705.08
01-21 606.33
01-22 553.75
01-23 551.83
01-24 528.17
01-25 534.0
01-26 1037.42
01-27 747.58
01-28 634.38
01-29 596.15
01-30 606.69
01-31 694.77
02-01 588.38
02-02 531.31
02-03 497.15
02-04 483.46
02-05 879.23
02-06 790.0
02-07 639.42
02-08 711.33
02-09 1119.23
02-10 736.77
02-11 656.58
02-12 720.77
02-13 877.77
02-14 625.54
02-15 611.77
02-16 601.85
02-17 577.17
02-18 837.09
02-19 625.08
02-20 542.54
02-21 635.69
02-22 753.0
02-23 796.77
02-24 1185.38
02-25 572.17
02-26 529.58
02-27 759.54
02-28 791.23
02-29 416.75
03-01 746.69
03-02 668.69
03-03 1116.38
03-04 1112.62
03-05 885.54
03-06 686.23
03-07 601.46
03-08 593.77
03-09 889.77
03-10 951.23
03-11 1278.23
03-12 828.46
03-13 729.23
03-14 759.23
03-15 1865.38
03-16 1145.54
03-17 1779.31
03-18 1113.15
03-19 974.0
03-20 2828.31
03-21 1623.0
03-22 1190.46
03-23 1163.36
03-24 950.0
03-25 1595.5
03-26 1463.43
03-27 1167.71
03-28 2195.77
03-29 1182.0
03-30 1378.43
03-31 1482.38
04-01 1083.79
04-02 875.29
04-03 749.36
04-04 815.0
04-05 1471.14
04-06 2753.15
04-07 980.93
04-08 878.93
04-09 762.46
04-10 655.64
04-11 624.21
04-12 751.46
04-13 723.0
04-14 1694.54
04-15 992.67
04-16 812.67
04-17 826.42
04-18 749.25
04-19 2326.08
04-20 1692.92
04-21 1956.62
04-22 2291.38
04-23 1164.38
04-24 880.77
04-25 1385.58
04-26 1182.62
04-27 1965.38
04-28 1271.23
04-29 3195.77
04-30 1307.58
05-01 2579.85
05-02 1626.77
05-03 2184.46
05-04 2544.93
05-05 4628.29
05-06 2559.86
05-07 1570.43
05-08 1143.69
05-09 1327.21
05-10 1150.57
05-11 2138.21
05-12 1479.07
05-13 1177.77
05-14 1065.85
05-15 884.92
05-16 1394.69
05-17 978.15
05-18 1100.64
05-19 839.64
05-20 896.92
05-21 1633.14
05-22 1746.21
05-23 1346.21
05-24 2467.79
05-25 2699.43
05-26 3148.57
05-27 2161.79
05-28 1761.21
05-29 1481.0
05-30 1736.14
05-31 1236.79
06-01 1031.36
06-02 1079.43
06-03 840.5
06-04 829.21
06-05 1182.54
06-06 789.46
06-07 1364.85
06-08 2215.21
06-09 1312.71
06-10 849.36
06-11 867.43
06-12 694.54
06-13 642.67
06-14 611.08
06-15 708.77
06-16 671.77
06-17 578.29
06-18 595.29
06-19 1322.69
06-20 1319.0
06-21 747.46
06-22 684.15
06-23 535.85
06-24 2149.46
06-25 732.77
06-26 561.23
06-27 640.0
06-28 533.46
06-29 479.69
06-30 431.38
07-01 409.92
07-02 396.92
07-03 430.15
07-04 444.15
07-05 460.36
07-06 388.71
07-07 469.15
07-08 1098.23
07-09 674.62
07-10 1370.43
07-11 662.43
07-12 310.15
07-13 454.92
07-14 438.21
07-15 475.86
07-16 436.0
07-17 413.07
07-18 463.64
07-19 632.36
07-20 406.86
07-21 346.14
07-22 340.71
07-23 470.79
07-24 344.79
07-25 320.21
07-26 418.43
07-27 283.29
07-28 292.07
07-29 299.86
07-30 284.21
07-31 458.29
08-01 399.25
08-02 418.54
08-03 286.43
08-04 603.86
08-05 301.36
08-06 277.29
08-07 313.43
08-08 275.62
08-09 1342.38
08-10 437.62
08-11 334.5
08-12 325.79
08-13 284.36
08-14 648.86
08-15 556.36
08-16 412.77
08-17 346.23
08-18 810.92
08-19 426.23
08-20 379.77
08-21 366.23
08-22 309.92
08-23 354.86
08-24 419.08
08-25 307.85
08-26 269.14
08-27 271.57
08-28 338.5
08-29 544.29
08-30 307.43
08-31 286.0
09-01 268.36
09-02 276.36
09-03 305.71
09-04 263.79
09-05 235.36
09-06 221.5
09-07 214.14
09-08 211.93
09-09 229.0
09-10 259.93
09-11 220.5
09-12 222.21
09-13 206.21
09-14 202.71
09-15 198.36
09-16 211.21
09-17 207.5
09-18 219.14
09-19 304.57
09-20 245.29
09-21 609.64
09-22 488.08
09-23 494.36
09-24 1061.14
09-25 695.86
09-26 403.79
09-27 459.57
09-28 336.57
09-29 302.86
09-30 251.08
10-01 269.5
10-02 258.0
10-03 264.23
10-04 239.77
10-05 247.86
10-06 516.29
10-07 2270.79
10-08 483.71
10-09 360.43
10-10 311.43
10-11 1012.21
10-12 653.21
10-13 422.57
10-14 1003.14
10-15 595.38
10-16 503.0
10-17 372.57
10-18 323.64
10-19 303.07
10-20 307.15
10-21 350.15
10-22 344.36
10-23 367.64
10-24 304.14
10-25 976.57
10-26 657.36
10-27 653.57
10-28 541.0
10-29 876.71
10-30 800.57
10-31 764.0
11-01 573.64
11-02 495.77
11-03 421.0
11-04 397.57
11-05 461.57
11-06 346.0
11-07 333.54
11-08 292.62
11-09 1132.77
11-10 432.08
11-11 337.31
11-12 322.46
11-13 292.54
11-14 355.93
11-15 365.14
11-16 345.86
11-17 333.21
11-18 323.08
11-19 306.77
11-20 294.54
11-21 425.0
11-22 413.38
11-23 643.92
11-24 485.5
11-25 548.08
11-26 467.14
11-27 420.07
11-28 1310.79
11-29 452.31
11-30 711.57
12-01 915.5
12-02 684.5
12-03 528.29
12-04 498.79
12-05 522.57
12-06 480.69
12-07 434.14
12-08 403.64
12-09 506.86
12-10 404.71
12-11 541.0
12-12 412.0
12-13 394.86
12-14 729.31
12-15 591.62
12-16 675.62
12-17 681.38
12-18 1334.38
12-19 983.31
12-20 665.08
12-21 641.33
12-22 1006.23
12-23 672.69
12-24 615.0
12-25 536.85
12-26 576.08
12-27 1603.92
12-28 8321.0
12-29 564.0
12-30 972.25
12-31 841.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index