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Illinois River At Savoy, 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
01-01 234.31
01-02 335.21
01-03 286.65
01-04 305.72
01-05 240.61
01-06 176.45
01-07 144.68
01-08 143.72
01-09 126.08
01-10 126.53
01-11 966.5
01-12 260.3
01-13 214.63
01-14 161.56
01-15 136.84
01-16 120.02
01-17 108.1
01-18 153.0
01-19 213.51
01-20 163.85
01-21 136.84
01-22 119.7
01-23 188.88
01-24 127.69
01-25 115.99
01-26 231.26
01-27 168.82
01-28 146.94
01-29 152.78
01-30 244.45
01-31 151.73
02-01 118.23
02-02 108.62
02-03 101.35
02-04 116.5
02-05 187.45
02-06 174.47
02-07 136.87
02-08 168.0
02-09 256.4
02-10 165.65
02-11 151.87
02-12 201.85
02-13 234.96
02-14 153.97
02-15 155.47
02-16 135.31
02-17 313.33
02-18 181.38
02-19 140.75
02-20 123.49
02-21 403.67
02-22 171.06
02-23 203.04
02-24 815.94
02-25 127.78
02-26 127.25
02-27 192.86
02-28 287.61
02-29 71.5
03-01 173.56
03-02 144.76
03-03 460.65
03-04 234.93
03-05 256.86
03-06 190.62
03-07 161.42
03-08 196.15
03-09 283.87
03-10 249.49
03-11 277.62
03-12 228.05
03-13 220.31
03-14 359.13
03-15 427.35
03-16 246.69
03-17 323.01
03-18 206.32
03-19 227.78
03-20 387.31
03-21 389.38
03-22 341.64
03-23 302.4
03-24 217.12
03-25 389.8
03-26 362.26
03-27 283.92
03-28 452.86
03-29 296.13
03-30 275.2
03-31 381.77
04-01 266.29
04-02 197.27
04-03 203.17
04-04 222.79
04-05 867.76
04-06 384.16
04-07 253.15
04-08 216.73
04-09 165.75
04-10 139.44
04-11 192.96
04-12 147.38
04-13 299.47
04-14 293.55
04-15 214.25
04-16 183.32
04-17 186.52
04-18 158.67
04-19 210.98
04-20 264.45
04-21 336.35
04-22 660.93
04-23 237.69
04-24 297.25
04-25 913.62
04-26 585.51
04-27 366.54
04-28 267.79
04-29 1301.68
04-30 334.26
05-01 999.83
05-02 515.85
05-03 611.15
05-04 591.29
05-05 1136.93
05-06 485.13
05-07 322.86
05-08 244.15
05-09 247.93
05-10 481.4
05-11 321.24
05-12 305.11
05-13 280.17
05-14 198.98
05-15 215.65
05-16 283.62
05-17 196.34
05-18 200.05
05-19 256.11
05-20 197.46
05-21 473.86
05-22 281.92
05-23 219.16
05-24 1712.79
05-25 642.51
05-26 773.81
05-27 592.54
05-28 698.36
05-29 298.19
05-30 401.71
05-31 214.31
06-01 171.91
06-02 199.32
06-03 148.12
06-04 131.14
06-05 191.84
06-06 130.96
06-07 1066.34
06-08 309.35
06-09 378.08
06-10 221.64
06-11 186.61
06-12 129.03
06-13 117.7
06-14 107.08
06-15 166.61
06-16 137.35
06-17 132.91
06-18 113.52
06-19 719.59
06-20 189.2
06-21 139.79
06-22 116.59
06-23 137.56
06-24 286.71
06-25 228.81
06-26 147.26
06-27 580.81
06-28 166.64
06-29 118.33
06-30 89.76
07-01 81.96
07-02 86.23
07-03 108.79
07-04 77.93
07-05 72.27
07-06 66.27
07-07 106.49
07-08 247.56
07-09 221.35
07-10 176.61
07-11 124.19
07-12 56.15
07-13 79.08
07-14 69.78
07-15 135.21
07-16 65.95
07-17 61.21
07-18 90.64
07-19 98.05
07-20 43.57
07-21 41.52
07-22 62.19
07-23 77.08
07-24 58.46
07-25 50.09
07-26 50.63
07-27 94.76
07-28 47.01
07-29 41.99
07-30 44.96
07-31 66.03
08-01 45.02
08-02 48.69
08-03 38.75
08-04 37.79
08-05 34.49
08-06 35.71
08-07 39.06
08-08 35.22
08-09 37.32
08-10 30.38
08-11 31.88
08-12 35.29
08-13 33.59
08-14 54.92
08-15 71.42
08-16 45.68
08-17 53.32
08-18 118.23
08-19 67.95
08-20 107.3
08-21 45.44
08-22 35.44
08-23 42.17
08-24 62.05
08-25 43.25
08-26 37.23
08-27 43.38
08-28 39.72
08-29 63.32
08-30 42.39
08-31 34.17
09-01 33.1
09-02 35.28
09-03 43.53
09-04 31.13
09-05 28.64
09-06 27.96
09-07 27.26
09-08 25.87
09-09 27.08
09-10 34.04
09-11 28.2
09-12 35.19
09-13 29.1
09-14 28.39
09-15 25.78
09-16 25.68
09-17 25.15
09-18 28.78
09-19 28.24
09-20 26.36
09-21 53.44
09-22 41.82
09-23 40.12
09-24 127.49
09-25 91.31
09-26 59.11
09-27 59.71
09-28 44.16
09-29 39.42
09-30 30.77
10-01 34.62
10-02 31.58
10-03 30.83
10-04 28.68
10-05 32.46
10-06 43.39
10-07 131.57
10-08 55.61
10-09 42.98
10-10 36.54
10-11 191.29
10-12 76.3
10-13 66.24
10-14 98.07
10-15 73.34
10-16 68.12
10-17 49.42
10-18 45.24
10-19 44.96
10-20 42.22
10-21 47.87
10-22 53.49
10-23 49.83
10-24 47.8
10-25 274.95
10-26 125.85
10-27 128.47
10-28 143.91
10-29 238.89
10-30 169.79
10-31 151.36
11-01 98.38
11-02 82.88
11-03 68.34
11-04 63.79
11-05 75.43
11-06 67.08
11-07 48.14
11-08 43.03
11-09 146.07
11-10 62.13
11-11 53.26
11-12 51.67
11-13 46.21
11-14 62.33
11-15 61.51
11-16 57.28
11-17 54.76
11-18 53.02
11-19 50.94
11-20 48.2
11-21 64.89
11-22 93.38
11-23 122.02
11-24 93.91
11-25 100.27
11-26 82.7
11-27 139.87
11-28 81.47
11-29 175.55
11-30 103.72
12-01 180.14
12-02 132.68
12-03 109.9
12-04 96.66
12-05 106.95
12-06 95.95
12-07 86.37
12-08 76.99
12-09 106.64
12-10 81.27
12-11 105.97
12-12 81.67
12-13 71.66
12-14 166.48
12-15 372.53
12-16 146.91
12-17 150.22
12-18 454.12
12-19 199.86
12-20 163.22
12-21 133.03
12-22 181.86
12-23 98.4
12-24 95.03
12-25 117.3
12-26 109.52
12-27 787.19
12-28 1961.73
12-29 236.21
12-30 249.95
12-31 217.39

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index