Overview Realtime Historical Map View

Black River At Black Rock, 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 13780.83
01-02 16452.73
01-03 15315.83
01-04 12269.09
01-05 16032.5
01-06 14893.33
01-07 13683.33
01-08 13552.73
01-09 12060.0
01-10 11680.0
01-11 11555.83
01-12 13962.5
01-13 15096.67
01-14 15630.83
01-15 14437.5
01-16 13633.33
01-17 12339.23
01-18 12005.0
01-19 11576.92
01-20 11245.38
01-21 10590.77
01-22 10018.46
01-23 9967.5
01-24 10270.77
01-25 11770.0
01-26 11200.83
01-27 12133.64
01-28 12125.0
01-29 11950.0
01-30 11886.15
01-31 12039.29
02-01 12596.43
02-02 12591.43
02-03 11268.57
02-04 10977.86
02-05 11444.29
02-06 11821.54
02-07 11124.62
02-08 11596.15
02-09 12447.14
02-10 12786.43
02-11 12356.92
02-12 14108.57
02-13 14033.57
02-14 13824.29
02-15 13050.71
02-16 13281.43
02-17 12488.46
02-18 12443.08
02-19 13752.5
02-20 12910.77
02-21 13100.0
02-22 13923.08
02-23 13922.86
02-24 14123.57
02-25 13476.15
02-26 13122.31
02-27 14602.86
02-28 13962.86
02-29 10542.5
03-01 13871.43
03-02 14087.86
03-03 14235.71
03-04 15078.57
03-05 15591.43
03-06 14564.29
03-07 13595.0
03-08 13784.29
03-09 14135.0
03-10 14564.29
03-11 14827.14
03-12 13467.14
03-13 14017.69
03-14 15806.43
03-15 17886.43
03-16 17562.14
03-17 17122.86
03-18 17640.71
03-19 17128.0
03-20 17177.14
03-21 17020.0
03-22 15207.69
03-23 16497.86
03-24 16560.0
03-25 17650.0
03-26 18420.0
03-27 17950.0
03-28 17508.67
03-29 17545.33
03-30 17276.0
03-31 17639.29
04-01 17818.0
04-02 17052.67
04-03 16514.0
04-04 16201.33
04-05 16460.0
04-06 22817.33
04-07 21322.67
04-08 18631.33
04-09 18595.0
04-10 17435.33
04-11 16533.33
04-12 16752.14
04-13 15872.86
04-14 15701.43
04-15 17784.17
04-16 16498.46
04-17 15811.54
04-18 15225.38
04-19 15499.23
04-20 15944.62
04-21 15367.86
04-22 16273.57
04-23 16473.57
04-24 16304.29
04-25 15905.83
04-26 16367.86
04-27 16700.77
04-28 17496.43
04-29 22050.0
04-30 20138.33
05-01 32165.33
05-02 25710.0
05-03 27969.29
05-04 34047.33
05-05 31669.33
05-06 29911.33
05-07 28604.67
05-08 23999.29
05-09 25454.0
05-10 24435.33
05-11 23513.33
05-12 23222.67
05-13 22230.67
05-14 19723.57
05-15 19218.46
05-16 19046.43
05-17 18246.43
05-18 18342.67
05-19 18536.0
05-20 18027.14
05-21 17185.33
05-22 17418.0
05-23 17272.0
05-24 16833.33
05-25 16897.33
05-26 17316.67
05-27 17155.33
05-28 17819.33
05-29 18256.0
05-30 16819.33
05-31 16502.0
06-01 16119.33
06-02 15848.67
06-03 15854.67
06-04 15309.33
06-05 14672.86
06-06 14121.43
06-07 13955.0
06-08 13843.33
06-09 13241.33
06-10 13017.33
06-11 12600.67
06-12 12142.14
06-13 11718.57
06-14 11253.85
06-15 10564.29
06-16 10090.0
06-17 10157.86
06-18 9819.33
06-19 9331.54
06-20 8835.0
06-21 8342.31
06-22 8046.15
06-23 8256.43
06-24 8072.86
06-25 8415.71
06-26 7902.14
06-27 7550.71
06-28 7475.0
06-29 8069.29
06-30 7647.86
07-01 7887.14
07-02 7692.86
07-03 7507.86
07-04 7627.14
07-05 7343.33
07-06 7263.33
07-07 7375.0
07-08 7009.29
07-09 7263.57
07-10 7278.0
07-11 7046.0
07-12 6518.57
07-13 6723.57
07-14 6786.43
07-15 7463.85
07-16 7343.85
07-17 7302.31
07-18 6903.57
07-19 6752.14
07-20 6497.86
07-21 6219.29
07-22 6147.14
07-23 6250.77
07-24 6200.0
07-25 6335.0
07-26 6088.57
07-27 5816.43
07-28 5693.57
07-29 5633.57
07-30 5473.08
07-31 6080.0
08-01 5391.67
08-02 5608.46
08-03 5592.14
08-04 5460.71
08-05 5584.29
08-06 5710.0
08-07 5830.71
08-08 5563.08
08-09 5529.23
08-10 5812.31
08-11 6241.43
08-12 6289.29
08-13 6456.43
08-14 6943.57
08-15 7325.0
08-16 8305.38
08-17 8676.15
08-18 7997.5
08-19 7573.08
08-20 7769.23
08-21 7800.77
08-22 8045.83
08-23 7582.14
08-24 5258.46
08-25 5186.15
08-26 7047.14
08-27 6751.43
08-28 6564.29
08-29 6712.14
08-30 6326.43
08-31 5833.85
09-01 5845.0
09-02 5987.86
09-03 5932.14
09-04 5706.43
09-05 5365.71
09-06 5177.86
09-07 5028.57
09-08 4888.57
09-09 4826.43
09-10 4877.86
09-11 4705.71
09-12 4788.57
09-13 4627.14
09-14 4435.71
09-15 4267.14
09-16 4237.86
09-17 4231.43
09-18 4198.57
09-19 4177.86
09-20 4287.14
09-21 4255.71
09-22 4162.31
09-23 4038.57
09-24 3971.43
09-25 3967.14
09-26 4091.43
09-27 4098.57
09-28 3998.57
09-29 3969.29
09-30 3829.23
10-01 3980.83
10-02 3921.54
10-03 3986.92
10-04 4061.54
10-05 3922.86
10-06 3894.62
10-07 3836.92
10-08 3838.57
10-09 3790.71
10-10 3747.86
10-11 3757.14
10-12 3908.57
10-13 3882.14
10-14 4004.29
10-15 4168.46
10-16 4183.08
10-17 3927.14
10-18 3844.62
10-19 3752.86
10-20 3811.54
10-21 3803.33
10-22 3652.14
10-23 3605.71
10-24 3555.71
10-25 3586.15
10-26 3658.46
10-27 3828.46
10-28 3895.38
10-29 4053.85
10-30 5004.29
10-31 5072.86
11-01 5181.43
11-02 5596.15
11-03 5226.43
11-04 4992.86
11-05 4832.86
11-06 4742.31
11-07 4849.23
11-08 4729.23
11-09 4691.67
11-10 4639.23
11-11 4426.15
11-12 4276.15
11-13 4160.0
11-14 4377.86
11-15 4305.71
11-16 4814.29
11-17 4863.57
11-18 4793.85
11-19 4598.46
11-20 4354.62
11-21 5720.0
11-22 5729.23
11-23 7152.31
11-24 6230.83
11-25 7169.23
11-26 6755.0
11-27 6577.86
11-28 5693.08
11-29 6994.29
11-30 7264.29
12-01 7347.14
12-02 7528.57
12-03 7389.29
12-04 7259.29
12-05 7421.43
12-06 8395.38
12-07 8005.0
12-08 7591.43
12-09 7397.14
12-10 7123.57
12-11 6820.0
12-12 6597.86
12-13 6351.43
12-14 6463.08
12-15 7016.92
12-16 7149.23
12-17 7840.0
12-18 7515.0
12-19 7927.5
12-20 7550.83
12-21 7398.33
12-22 8936.15
12-23 10036.15
12-24 9383.08
12-25 8978.46
12-26 8589.23
12-27 9258.33
12-28 11058.33
12-29 8722.73
12-30 15350.83
12-31 13576.67

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index