Overview Realtime Historical Map View

Grand River At Ionia, Mi 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 3317.27
01-02 3408.36
01-03 3205.0
01-04 2993.45
01-05 2832.55
01-06 2598.18
01-07 2556.36
01-08 2475.45
01-09 2358.09
01-10 2487.73
01-11 2688.73
01-12 3446.0
01-13 3705.0
01-14 3688.89
01-15 3476.0
01-16 3405.56
01-17 3345.56
01-18 3115.0
01-19 2942.5
01-20 2867.5
01-21 2832.5
01-22 2708.33
01-23 3282.5
01-24 2964.0
01-25 3232.0
01-26 3194.0
01-27 3875.0
01-28 4435.0
01-29 5222.0
01-30 5076.6
01-31 5030.0
02-01 5111.67
02-02 5432.0
02-03 5182.0
02-04 4844.0
02-05 4634.0
02-06 4011.67
02-07 4120.0
02-08 3786.0
02-09 3136.67
02-10 2928.57
02-11 3046.0
02-12 3055.0
02-13 2975.0
02-14 2761.67
02-15 2633.33
02-16 2555.0
02-17 2364.0
02-18 3293.33
02-19 3652.86
02-20 3655.0
02-21 4086.67
02-22 5241.11
02-23 5614.44
02-24 5728.89
02-25 3538.75
02-26 3343.75
02-27 4604.44
02-28 4282.22
02-29 2733.33
03-01 4291.11
03-02 4334.0
03-03 4147.0
03-04 4027.27
03-05 3930.0
03-06 3898.18
03-07 3921.82
03-08 4113.64
03-09 4304.55
03-10 4446.36
03-11 4500.91
03-12 4575.45
03-13 4621.82
03-14 4617.5
03-15 4735.38
03-16 4665.38
03-17 4813.08
03-18 4713.85
03-19 4283.57
03-20 4158.57
03-21 4109.33
03-22 4023.57
03-23 3834.0
03-24 3851.33
03-25 3946.67
03-26 4021.33
03-27 4068.0
03-28 4008.67
03-29 4082.67
03-30 4080.0
03-31 4012.86
04-01 4427.33
04-02 4772.67
04-03 4963.33
04-04 5174.67
04-05 5670.67
04-06 6362.0
04-07 6657.33
04-08 6610.0
04-09 6468.57
04-10 5776.0
04-11 5608.67
04-12 5857.14
04-13 5915.0
04-14 5694.29
04-15 5288.46
04-16 5371.54
04-17 5558.46
04-18 5583.85
04-19 6077.69
04-20 6323.85
04-21 5908.57
04-22 5490.0
04-23 4981.43
04-24 4755.0
04-25 4466.15
04-26 4237.14
04-27 3920.0
04-28 3659.29
04-29 3360.71
04-30 3238.57
05-01 3974.67
05-02 4060.0
05-03 3969.29
05-04 4060.67
05-05 4171.33
05-06 4049.33
05-07 3808.67
05-08 3699.33
05-09 3474.67
05-10 3209.23
05-11 3040.57
05-12 2981.87
05-13 2977.67
05-14 3117.8
05-15 3297.71
05-16 3700.86
05-17 3928.0
05-18 3746.8
05-19 4061.0
05-20 4585.14
05-21 4322.47
05-22 4100.8
05-23 3896.13
05-24 3598.8
05-25 3297.2
05-26 3158.8
05-27 3179.47
05-28 3188.8
05-29 3111.47
05-30 3184.0
05-31 3221.07
06-01 3093.6
06-02 2868.13
06-03 2846.4
06-04 2640.07
06-05 2521.5
06-06 2386.07
06-07 2288.64
06-08 2044.6
06-09 1916.6
06-10 1892.27
06-11 2012.27
06-12 2185.71
06-13 2169.07
06-14 2322.86
06-15 2580.33
06-16 2423.47
06-17 2324.6
06-18 2220.13
06-19 2374.64
06-20 2263.57
06-21 2369.43
06-22 2431.57
06-23 2426.07
06-24 2596.86
06-25 2664.43
06-26 2716.0
06-27 2807.57
06-28 2970.93
06-29 2944.57
06-30 2842.86
07-01 2671.5
07-02 2432.86
07-03 2178.93
07-04 2050.07
07-05 1766.0
07-06 1697.67
07-07 1690.29
07-08 1733.36
07-09 1729.64
07-10 1680.87
07-11 1603.47
07-12 1577.27
07-13 1487.53
07-14 1663.2
07-15 1601.2
07-16 1510.79
07-17 1348.93
07-18 1310.4
07-19 1170.07
07-20 1176.87
07-21 1138.47
07-22 1136.64
07-23 1087.79
07-24 1033.86
07-25 1056.57
07-26 1017.43
07-27 994.57
07-28 987.71
07-29 1226.43
07-30 1346.86
07-31 1434.57
08-01 1520.67
08-02 1338.5
08-03 1272.0
08-04 1241.07
08-05 1087.07
08-06 1021.71
08-07 1019.0
08-08 980.46
08-09 947.0
08-10 988.54
08-11 1200.43
08-12 1156.0
08-13 1391.79
08-14 1277.64
08-15 1316.64
08-16 1425.77
08-17 1530.77
08-18 1523.42
08-19 1414.69
08-20 1330.54
08-21 1354.54
08-22 1338.92
08-23 1122.71
08-24 896.23
08-25 1055.54
08-26 1106.64
08-27 997.29
08-28 1119.5
08-29 1314.5
08-30 1326.08
08-31 1139.15
09-01 1037.46
09-02 987.85
09-03 1018.38
09-04 937.85
09-05 944.86
09-06 925.71
09-07 838.57
09-08 819.21
09-09 847.93
09-10 993.43
09-11 913.0
09-12 873.21
09-13 898.57
09-14 866.07
09-15 867.5
09-16 816.07
09-17 795.21
09-18 751.79
09-19 738.93
09-20 734.36
09-21 812.21
09-22 881.46
09-23 822.5
09-24 880.43
09-25 849.07
09-26 866.86
09-27 836.0
09-28 792.5
09-29 823.36
09-30 891.08
10-01 996.38
10-02 1112.62
10-03 1327.23
10-04 1632.31
10-05 1925.43
10-06 1754.43
10-07 1794.93
10-08 1714.71
10-09 1679.79
10-10 1528.64
10-11 1395.57
10-12 1399.57
10-13 1457.5
10-14 1397.86
10-15 1482.62
10-16 1512.93
10-17 1557.5
10-18 1510.0
10-19 1466.43
10-20 1428.71
10-21 1469.08
10-22 1454.62
10-23 1474.31
10-24 1563.62
10-25 1769.0
10-26 1919.54
10-27 2002.31
10-28 1947.0
10-29 2128.38
10-30 1982.0
10-31 1973.71
11-01 2080.14
11-02 2304.43
11-03 2295.86
11-04 2346.07
11-05 2172.14
11-06 1764.46
11-07 1701.31
11-08 1673.08
11-09 1624.69
11-10 1695.15
11-11 1616.0
11-12 1545.69
11-13 1522.92
11-14 1581.79
11-15 1535.93
11-16 1549.14
11-17 1527.14
11-18 1629.0
11-19 1739.23
11-20 1871.58
11-21 1737.79
11-22 1801.46
11-23 1761.43
11-24 1553.69
11-25 1683.25
11-26 1900.79
11-27 1851.79
11-28 1980.29
11-29 2055.5
11-30 2062.86
12-01 2151.21
12-02 2158.86
12-03 2327.43
12-04 2366.36
12-05 2394.71
12-06 2324.08
12-07 2289.0
12-08 2185.71
12-09 2040.21
12-10 2075.31
12-11 2032.46
12-12 2030.62
12-13 2053.92
12-14 2012.17
12-15 2027.08
12-16 2131.58
12-17 2085.67
12-18 2063.17
12-19 2011.42
12-20 1978.17
12-21 2008.45
12-22 1980.17
12-23 1979.83
12-24 1936.08
12-25 2027.27
12-26 2042.5
12-27 1955.0
12-28 2110.0
12-29 2121.0
12-30 2613.64
12-31 2848.18

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index