Overview Realtime Historical Map View

Rock River At Byron, Il 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 8470.0
01-02 8395.71
01-03 7793.33
01-04 7922.0
01-05 7643.33
01-06 6907.14
01-07 7040.0
01-08 7105.0
01-09 7452.5
01-10 6415.71
01-11 7050.0
01-12 7036.67
01-13 7638.0
01-14 7501.43
01-15 7946.67
01-16 8020.0
01-17 7492.86
01-18 8335.0
01-19 10434.29
01-20 8420.0
01-21 9155.0
01-22 9080.0
01-23 10832.0
01-24 10472.0
01-25 10487.5
01-26 9232.5
01-27 8062.5
01-28 10908.33
01-29 11204.0
01-30 8744.0
01-31 7846.67
02-01 8841.67
02-02 8515.71
02-03 8725.71
02-04 8492.5
02-05 8580.0
02-06 9142.5
02-07 8857.5
02-08 8695.0
02-09 8571.25
02-10 8532.5
02-11 8643.75
02-12 8738.57
02-13 7351.67
02-14 7280.0
02-15 8113.33
02-16 8210.0
02-17 7872.0
02-18 6584.0
02-19 6480.0
02-20 6825.0
02-21 10100.0
02-22 9988.75
02-23 9651.25
02-24 9134.44
02-25 6971.25
02-26 6846.25
02-27 8682.0
02-28 8393.64
02-29 6645.0
03-01 7749.0
03-02 8755.0
03-03 8552.5
03-04 7922.86
03-05 8023.85
03-06 8113.08
03-07 8321.54
03-08 8303.85
03-09 8342.31
03-10 8745.71
03-11 10096.43
03-12 11270.71
03-13 11575.71
03-14 11887.14
03-15 12023.57
03-16 11919.23
03-17 11841.54
03-18 11557.69
03-19 11133.57
03-20 11076.15
03-21 11284.29
03-22 10712.31
03-23 10692.14
03-24 10475.71
03-25 10430.0
03-26 10515.71
03-27 10634.29
03-28 10457.14
03-29 10742.14
03-30 10504.29
03-31 10345.38
04-01 10646.43
04-02 10536.43
04-03 10960.0
04-04 11424.29
04-05 11805.71
04-06 11971.43
04-07 11690.0
04-08 11349.29
04-09 10805.38
04-10 10715.71
04-11 10573.57
04-12 10000.77
04-13 9816.15
04-14 9726.15
04-15 9737.5
04-16 10524.17
04-17 11298.33
04-18 12523.08
04-19 13496.15
04-20 13610.77
04-21 12929.29
04-22 12294.29
04-23 11881.43
04-24 11597.86
04-25 11563.85
04-26 10860.71
04-27 10459.29
04-28 10370.0
04-29 10277.14
04-30 11130.77
05-01 10890.71
05-02 10989.29
05-03 10713.57
05-04 10615.0
05-05 10816.0
05-06 10524.0
05-07 10294.0
05-08 9718.57
05-09 9895.0
05-10 9923.08
05-11 9848.57
05-12 9838.0
05-13 9632.0
05-14 9162.14
05-15 9987.14
05-16 10577.14
05-17 10292.86
05-18 9750.0
05-19 9904.67
05-20 9983.57
05-21 9302.67
05-22 9013.57
05-23 8979.29
05-24 9126.67
05-25 9378.67
05-26 9014.67
05-27 8922.67
05-28 8779.33
05-29 8923.33
05-30 8979.33
05-31 9192.0
06-01 9034.67
06-02 8687.33
06-03 8310.67
06-04 7877.33
06-05 7924.29
06-06 8001.43
06-07 7740.71
06-08 7290.67
06-09 7046.67
06-10 7182.67
06-11 7064.29
06-12 7545.38
06-13 8227.14
06-14 7897.86
06-15 7754.0
06-16 8138.67
06-17 8148.67
06-18 7997.86
06-19 8445.0
06-20 8570.0
06-21 8747.14
06-22 8817.86
06-23 8887.14
06-24 8866.43
06-25 8765.0
06-26 8995.71
06-27 9847.14
06-28 9969.29
06-29 9831.43
06-30 10309.29
07-01 10418.57
07-02 9987.86
07-03 9540.71
07-04 8967.14
07-05 8430.67
07-06 8284.0
07-07 8398.57
07-08 8268.57
07-09 7976.43
07-10 7275.33
07-11 7170.0
07-12 7014.67
07-13 6853.57
07-14 7120.0
07-15 6995.0
07-16 6863.57
07-17 6786.43
07-18 6717.14
07-19 6485.0
07-20 6451.43
07-21 7077.86
07-22 7214.29
07-23 7646.43
07-24 7520.0
07-25 7345.71
07-26 7052.86
07-27 7107.86
07-28 6925.0
07-29 7017.14
07-30 6816.43
07-31 6622.86
08-01 6380.0
08-02 5880.71
08-03 5759.23
08-04 5518.46
08-05 5521.54
08-06 5240.77
08-07 5123.85
08-08 5213.33
08-09 5642.31
08-10 5597.69
08-11 5357.14
08-12 5535.71
08-13 5279.29
08-14 5329.29
08-15 5273.57
08-16 5000.77
08-17 4921.54
08-18 5060.83
08-19 5198.46
08-20 5401.54
08-21 5554.62
08-22 5441.67
08-23 5324.29
08-24 4957.5
08-25 4891.67
08-26 4910.0
08-27 5057.86
08-28 4993.57
08-29 5122.86
08-30 5149.29
08-31 4940.0
09-01 4975.0
09-02 5018.57
09-03 5426.43
09-04 4225.38
09-05 5925.0
09-06 5907.86
09-07 5625.0
09-08 5602.14
09-09 5681.43
09-10 5692.86
09-11 5765.71
09-12 5868.57
09-13 6337.14
09-14 7410.71
09-15 7244.29
09-16 6817.86
09-17 6345.0
09-18 6179.29
09-19 6023.57
09-20 6137.86
09-21 6003.57
09-22 6170.77
09-23 6348.57
09-24 6313.57
09-25 6094.29
09-26 5932.14
09-27 6055.71
09-28 6011.43
09-29 5893.57
09-30 6118.46
10-01 5181.67
10-02 5282.31
10-03 4125.0
10-04 5876.15
10-05 7137.86
10-06 7192.86
10-07 7632.14
10-08 7678.57
10-09 7523.57
10-10 7159.29
10-11 7192.14
10-12 7148.57
10-13 7072.14
10-14 7032.86
10-15 7352.31
10-16 6094.62
10-17 7355.71
10-18 7286.43
10-19 7104.29
10-20 6925.71
10-21 5581.54
10-22 6465.0
10-23 6387.86
10-24 6435.0
10-25 6375.71
10-26 6561.54
10-27 6565.71
10-28 6867.86
10-29 6910.71
10-30 6682.86
10-31 6662.14
11-01 6535.71
11-02 6579.23
11-03 6360.71
11-04 6402.14
11-05 6434.29
11-06 5783.08
11-07 5838.46
11-08 5731.54
11-09 5728.46
11-10 6093.85
11-11 6193.08
11-12 6116.15
11-13 5414.55
11-14 6053.08
11-15 6216.15
11-16 6182.14
11-17 6110.71
11-18 6430.0
11-19 6465.83
11-20 6390.0
11-21 6468.46
11-22 6625.0
11-23 6492.31
11-24 6260.77
11-25 6201.54
11-26 6207.14
11-27 6490.0
11-28 6396.67
11-29 7183.85
11-30 7173.08
12-01 6951.43
12-02 7209.23
12-03 7280.0
12-04 7290.71
12-05 7305.0
12-06 7208.33
12-07 7532.5
12-08 7256.67
12-09 7033.33
12-10 7000.83
12-11 6868.33
12-12 6590.0
12-13 6476.67
12-14 6285.45
12-15 6894.55
12-16 7338.18
12-17 7808.18
12-18 7563.64
12-19 7275.45
12-20 6342.0
12-21 6240.0
12-22 6798.0
12-23 7282.22
12-24 7470.0
12-25 7395.56
12-26 7328.89
12-27 7577.5
12-28 7670.0
12-29 6765.71
12-30 7857.5
12-31 8470.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index