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Air Quality Alert
None

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Ashland, Bayfield, Burnett, Douglas, Iron, Price, Sawyer, and Washburn. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy (Red) to Hazardous (Maroon) level. * WHERE...Statewide. * WHEN...Until noon Friday.

Nemadji River Near South Superior, Wi Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
03-15 86.2
03-16 1048.1
03-17 691.9
03-18 671.5
03-19 717.15
03-20 672.55
03-21 528.85
03-22 784.0
03-23 371.25
03-24 656.67
03-25 1714.0
03-26 975.0
03-27 810.0
03-28 791.5
03-29 848.0
03-30 764.0
03-31 503.13
04-01 763.52
04-02 612.5
04-03 479.6
04-04 967.5
04-05 804.17
04-06 838.57
04-07 858.89
04-08 1127.56
04-09 1122.38
04-10 1141.33
04-11 901.78
04-12 706.78
04-13 877.56
04-14 952.89
04-15 1718.63
04-16 1491.0
04-17 1812.33
04-18 1390.22
04-19 1630.6
04-20 1334.09
04-21 1561.67
04-22 1686.25
04-23 1654.75
04-24 1506.42
04-25 1599.17
04-26 1516.42
04-27 1312.83
04-28 1411.17
04-29 1427.75
04-30 1331.83
05-01 1442.77
05-02 1513.0
05-03 1421.83
05-04 1112.07
05-05 912.0
05-06 791.0
05-07 744.73
05-08 707.07
05-09 642.33
05-10 953.27
05-11 800.4
05-12 729.6
05-13 911.8
05-14 933.53
05-15 664.43
05-16 577.57
05-17 558.07
05-18 572.0
05-19 763.0
05-20 820.79
05-21 867.07
05-22 873.47
05-23 878.53
05-24 815.2
05-25 889.6
05-26 893.6
05-27 669.73
05-28 853.07
05-29 1057.27
05-30 778.87
05-31 705.64
06-01 727.36
06-02 633.77
06-03 549.26
06-04 508.18
06-05 411.49
06-06 396.11
06-07 413.25
06-08 318.65
06-09 273.76
06-10 250.73
06-11 346.89
06-12 292.39
06-13 262.81
06-14 219.49
06-15 277.24
06-16 323.38
06-17 320.16
06-18 259.23
06-19 906.68
06-20 774.8
06-21 2942.84
06-22 1195.38
06-23 883.27
06-24 640.73
06-25 509.17
06-26 426.57
06-27 331.09
06-28 295.72
06-29 291.59
06-30 354.05
07-01 398.29
07-02 570.62
07-03 579.43
07-04 400.11
07-05 407.29
07-06 291.38
07-07 464.34
07-08 402.0
07-09 291.32
07-10 245.78
07-11 213.63
07-12 507.13
07-13 1075.34
07-14 625.09
07-15 395.68
07-16 312.98
07-17 397.93
07-18 266.09
07-19 255.0
07-20 299.62
07-21 324.28
07-22 377.81
07-23 311.31
07-24 401.51
07-25 228.47
07-26 181.86
07-27 157.89
07-28 189.75
07-29 157.19
07-30 132.54
07-31 115.43
08-01 131.82
08-02 107.49
08-03 2266.74
08-04 557.63
08-05 410.17
08-06 213.85
08-07 247.15
08-08 281.09
08-09 331.51
08-10 362.62
08-11 248.04
08-12 208.39
08-13 162.01
08-14 288.43
08-15 127.56
08-16 126.67
08-17 111.91
08-18 166.28
08-19 150.58
08-20 128.42
08-21 109.07
08-22 88.82
08-23 103.31
08-24 113.01
08-25 107.99
08-26 114.46
08-27 125.06
08-28 241.86
08-29 247.64
08-30 210.45
08-31 161.21
09-01 141.04
09-02 132.17
09-03 128.62
09-04 115.79
09-05 104.57
09-06 118.96
09-07 125.37
09-08 112.64
09-09 113.67
09-10 104.6
09-11 118.91
09-12 118.56
09-13 108.55
09-14 162.06
09-15 124.98
09-16 298.27
09-17 249.64
09-18 177.42
09-19 180.18
09-20 148.56
09-21 138.16
09-22 215.65
09-23 285.31
09-24 201.54
09-25 198.02
09-26 214.49
09-27 289.2
09-28 185.11
09-29 159.76
09-30 143.68
10-01 1315.4
10-02 659.26
10-03 519.7
10-04 898.38
10-05 615.85
10-06 530.18
10-07 488.2
10-08 351.32
10-09 308.78
10-10 378.91
10-11 628.55
10-12 576.59
10-13 341.38
10-14 267.57
10-15 252.38
10-16 291.8
10-17 265.19
10-18 210.33
10-19 224.34
10-20 199.37
10-21 180.83
10-22 451.25
10-23 596.8
10-24 393.01
10-25 275.6
10-26 253.68
10-27 219.95
10-28 263.36
10-29 260.02
10-30 255.17
10-31 242.1
11-01 226.01
11-02 213.74
11-03 203.0
11-04 191.59
11-05 170.3
11-06 223.83
11-07 248.81
11-08 215.0
11-09 177.34
11-10 199.68
11-11 219.76
11-12 259.14
11-13 270.65
11-14 186.1
11-15 170.36
11-16 159.79
11-17 169.93
11-18 185.71
11-19 253.17
11-20 270.5
11-21 357.25
11-22 357.33
11-23 385.2
11-24 265.0
11-25 162.33
11-26 253.25
11-27 244.5
11-28 197.6
11-29 415.0
11-30 384.4
12-01 408.5
12-02 297.33
12-03 261.0
12-04 302.0
12-05 277.0
12-06 126.0
12-07 388.0
12-08 383.0
12-17 852.0
12-18 698.0
12-19 725.0
12-20 725.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index