Overview Realtime Historical Map View
Air Quality Alert
None

* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Southeastern Minnesota. * WHEN...Until 11 AM CDT Friday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Dense smoke is being pulled by a quasi- stationary front across southern Minnesota. Smoke will arrive along the I-90 corridor Wednesday evening. The smoke will have a rapid onset with visibility rapidly declining. There will be a sharp gradient of smoke, with some areas of the same counties experiencing Good/Green air quality while other experience Red/Unhealthy for All conditions as the front slowly moves south. Conditions will gradually improve by Friday morning as the front retreats northward.

South Fork Zumbro River At Rochester, Mn Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 233.88
01-02 224.25
01-03 179.1
01-04 183.88
01-05 173.56
01-06 151.16
01-07 156.76
01-08 150.88
01-09 145.62
01-10 163.88
01-11 159.36
01-12 113.65
01-13 145.0
01-14 183.0
01-15 152.25
01-16 150.0
01-17 145.0
01-18 160.25
01-19 125.8
01-20 109.38
01-21 121.65
01-22 123.17
01-23 104.06
01-24 97.72
01-25 99.32
01-26 102.12
01-27 104.92
01-28 117.63
01-29 107.14
01-30 105.54
01-31 113.9
02-01 116.22
02-02 109.85
02-03 109.9
02-04 103.8
02-05 100.25
02-06 103.05
02-07 107.3
02-08 98.97
02-09 94.8
02-10 96.92
02-11 146.23
02-12 99.38
02-13 109.63
02-14 99.67
02-15 104.08
02-16 115.53
02-17 50.57
02-18 50.57
02-19 93.35
02-20 140.0
02-21 97.85
02-22 91.72
02-23 93.72
02-24 95.75
02-25 110.33
02-26 109.67
02-27 90.67
02-28 83.02
02-29 365.0
03-01 444.6
03-02 232.0
03-03 216.89
03-04 199.63
03-05 279.19
03-06 313.86
03-07 191.78
03-08 207.86
03-09 315.72
03-10 337.48
03-11 371.33
03-12 288.21
03-13 268.18
03-14 271.14
03-15 232.55
03-16 487.22
03-17 480.79
03-18 360.58
03-19 335.69
03-20 390.71
03-21 394.03
03-22 459.96
03-23 515.93
03-24 435.65
03-25 390.78
03-26 375.21
03-27 372.63
03-28 424.67
03-29 427.61
03-30 476.33
03-31 695.43
04-01 711.93
04-02 564.58
04-03 463.47
04-04 481.25
04-05 486.33
04-06 416.4
04-07 386.2
04-08 373.6
04-09 332.14
04-10 428.53
04-11 414.07
04-12 344.5
04-13 382.57
04-14 426.71
04-15 515.08
04-16 492.62
04-17 409.15
04-18 449.23
04-19 457.85
04-20 491.31
04-21 526.79
04-22 531.36
04-23 538.36
04-24 495.14
04-25 436.85
04-26 407.93
04-27 374.14
04-28 351.82
04-29 358.89
04-30 427.07
05-01 446.99
05-02 417.16
05-03 407.0
05-04 402.71
05-05 451.13
05-06 502.0
05-07 525.2
05-08 425.71
05-09 412.4
05-10 453.1
05-11 423.11
05-12 494.78
05-13 521.68
05-14 455.67
05-15 520.92
05-16 453.08
05-17 427.65
05-18 545.0
05-19 657.49
05-20 605.87
05-21 618.87
05-22 422.86
05-23 515.07
05-24 460.5
05-25 438.07
05-26 434.5
05-27 446.27
05-28 725.07
05-29 553.8
05-30 502.2
05-31 463.07
06-01 426.2
06-02 420.87
06-03 373.67
06-04 345.47
06-05 356.71
06-06 342.36
06-07 314.71
06-08 302.13
06-09 284.2
06-10 352.47
06-11 338.47
06-12 300.19
06-13 292.05
06-14 321.86
06-15 406.31
06-16 450.77
06-17 467.25
06-18 590.47
06-19 442.69
06-20 446.19
06-21 458.46
06-22 470.01
06-23 562.05
06-24 478.1
06-25 390.36
06-26 564.07
06-27 517.86
06-28 795.07
06-29 984.19
06-30 557.76
07-01 500.71
07-02 458.14
07-03 434.32
07-04 443.14
07-05 433.0
07-06 418.07
07-07 501.76
07-08 349.41
07-09 297.21
07-10 316.81
07-11 261.5
07-12 243.65
07-13 214.46
07-14 239.26
07-15 227.29
07-16 400.99
07-17 432.89
07-18 286.11
07-19 318.92
07-20 320.29
07-21 476.36
07-22 320.84
07-23 264.85
07-24 304.46
07-25 292.49
07-26 268.26
07-27 248.95
07-28 212.19
07-29 255.89
07-30 213.66
07-31 192.29
08-01 157.16
08-02 168.41
08-03 163.59
08-04 164.78
08-05 181.76
08-06 165.46
08-07 171.05
08-08 173.58
08-09 171.11
08-10 200.9
08-11 161.2
08-12 178.48
08-13 188.41
08-14 155.3
08-15 151.15
08-16 127.3
08-17 144.95
08-18 240.17
08-19 195.96
08-20 193.65
08-21 177.65
08-22 168.5
08-23 161.28
08-24 128.83
08-25 119.35
08-26 130.49
08-27 136.08
08-28 194.07
08-29 197.01
08-30 175.42
08-31 146.15
09-01 142.84
09-02 146.27
09-03 144.04
09-04 142.18
09-05 291.54
09-06 352.07
09-07 198.27
09-08 166.23
09-09 155.53
09-10 186.56
09-11 177.97
09-12 185.79
09-13 317.76
09-14 234.82
09-15 162.86
09-16 155.19
09-17 162.17
09-18 156.05
09-19 158.31
09-20 165.43
09-21 209.96
09-22 349.78
09-23 807.68
09-24 345.15
09-25 263.49
09-26 238.24
09-27 203.17
09-28 179.81
09-29 168.97
09-30 157.55
10-01 138.93
10-02 155.09
10-03 191.04
10-04 183.37
10-05 178.99
10-06 292.15
10-07 274.17
10-08 225.54
10-09 227.18
10-10 248.96
10-11 271.69
10-12 221.28
10-13 210.69
10-14 201.9
10-15 200.48
10-16 177.66
10-17 169.61
10-18 164.06
10-19 158.19
10-20 154.28
10-21 118.59
10-22 193.56
10-23 192.61
10-24 166.89
10-25 185.27
10-26 197.09
10-27 204.79
10-28 189.14
10-29 171.84
10-30 164.64
10-31 160.44
11-01 148.89
11-02 147.64
11-03 141.54
11-04 140.98
11-05 145.34
11-06 145.15
11-07 137.94
11-08 135.65
11-09 131.72
11-10 145.4
11-11 169.12
11-12 153.99
11-13 144.15
11-14 135.66
11-15 138.67
11-16 133.45
11-17 130.26
11-18 126.96
11-19 126.89
11-20 122.51
11-21 146.86
11-22 156.66
11-23 146.11
11-24 146.54
11-25 141.22
11-26 131.66
11-27 126.21
11-28 127.8
11-29 128.01
11-30 127.29
12-01 139.17
12-02 141.57
12-03 135.85
12-04 130.31
12-05 130.29
12-06 114.85
12-07 129.4
12-08 125.28
12-09 130.26
12-10 126.84
12-11 117.38
12-12 117.11
12-13 118.57
12-14 110.82
12-15 127.74
12-16 122.83
12-17 175.6
12-18 167.32
12-19 147.57
12-20 104.33
12-21 112.94
12-22 146.87
12-23 141.04
12-24 148.3
12-25 174.87
12-26 150.71
12-27 151.05
12-28 145.98
12-29 140.18
12-30 230.36
12-31 236.78

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index