Overview Realtime Historical Map View

Upper Ammonoosuc River Near Groveton, Nh Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 706.0
01-02 844.5
01-03 682.6
01-04 607.5
01-05 541.0
01-06 573.25
01-07 543.0
01-08 464.33
01-09 434.67
01-10 459.0
01-11 388.0
01-12 511.0
01-13 554.0
01-14 746.0
01-15 696.0
01-16 635.0
01-17 641.0
01-31 375.0
02-26 1880.0
02-27 1570.0
02-28 907.0
02-29 603.5
03-01 760.5
03-02 590.5
03-03 468.0
03-04 587.0
03-05 743.5
03-06 908.0
03-07 1396.5
03-08 2553.5
03-09 1242.67
03-10 1289.25
03-11 1480.5
03-12 978.33
03-13 981.6
03-14 759.2
03-15 674.75
03-16 835.0
03-17 1144.71
03-18 1519.43
03-19 1153.88
03-20 1153.57
03-21 1185.89
03-22 1072.0
03-23 862.6
03-24 708.9
03-25 629.64
03-26 687.64
03-27 813.55
03-28 765.27
03-29 731.36
03-30 714.09
03-31 768.1
04-01 952.73
04-02 1138.64
04-03 945.42
04-04 1001.25
04-05 1005.0
04-06 925.93
04-07 953.71
04-08 945.14
04-09 896.85
04-10 948.14
04-11 1087.36
04-12 1321.31
04-13 1362.92
04-14 1697.38
04-15 2246.54
04-16 2657.5
04-17 2283.54
04-18 1993.62
04-19 1449.58
04-20 1681.17
04-21 1783.0
04-22 1601.85
04-23 1574.0
04-24 1533.57
04-25 1278.69
04-26 1216.14
04-27 1378.64
04-28 1530.36
04-29 1253.14
04-30 1238.0
05-01 1431.27
05-02 1570.36
05-03 1461.21
05-04 1447.0
05-05 1530.93
05-06 1330.93
05-07 1123.6
05-08 927.71
05-09 855.43
05-10 918.13
05-11 1115.21
05-12 921.64
05-13 802.71
05-14 642.62
05-15 741.0
05-16 1068.08
05-17 1076.07
05-18 980.67
05-19 803.4
05-20 864.36
05-21 867.8
05-22 700.93
05-23 713.53
05-24 676.4
05-25 658.73
05-26 744.27
05-27 796.27
05-28 1029.8
05-29 895.07
05-30 814.87
05-31 856.2
06-01 755.8
06-02 709.4
06-03 652.0
06-04 679.8
06-05 601.29
06-06 520.27
06-07 499.07
06-08 442.5
06-09 464.73
06-10 488.13
06-11 419.4
06-12 460.08
06-13 411.23
06-14 364.64
06-15 403.34
06-16 452.53
06-17 394.37
06-18 443.1
06-19 559.36
06-20 469.78
06-21 481.57
06-22 497.21
06-23 422.36
06-24 475.29
06-25 410.36
06-26 410.34
06-27 458.75
06-28 518.75
06-29 573.57
06-30 536.84
07-01 443.14
07-02 624.42
07-03 615.21
07-04 459.15
07-05 405.13
07-06 323.53
07-07 336.57
07-08 320.43
07-09 326.79
07-10 317.39
07-11 483.86
07-12 561.15
07-13 353.37
07-14 279.55
07-15 398.29
07-16 250.62
07-17 323.66
07-18 277.99
07-19 373.27
07-20 377.07
07-21 286.78
07-22 261.94
07-23 215.23
07-24 224.6
07-25 219.43
07-26 191.27
07-27 207.37
07-28 217.05
07-29 251.15
07-30 230.4
07-31 187.7
08-01 165.65
08-02 148.44
08-03 153.47
08-04 151.27
08-05 293.65
08-06 210.57
08-07 162.73
08-08 154.86
08-09 201.34
08-10 205.33
08-11 259.52
08-12 244.09
08-13 192.34
08-14 200.4
08-15 248.09
08-16 185.33
08-17 203.46
08-18 204.9
08-19 204.88
08-20 165.95
08-21 141.95
08-22 129.6
08-23 187.74
08-24 149.78
08-25 141.1
08-26 148.69
08-27 149.56
08-28 126.65
08-29 353.19
08-30 394.22
08-31 215.88
09-01 186.19
09-02 163.91
09-03 142.72
09-04 165.73
09-05 161.83
09-06 294.41
09-07 281.57
09-08 204.11
09-09 176.92
09-10 165.88
09-11 140.45
09-12 161.31
09-13 192.65
09-14 215.91
09-15 223.05
09-16 180.57
09-17 153.71
09-18 127.93
09-19 136.72
09-20 307.47
09-21 212.31
09-22 176.05
09-23 247.23
09-24 218.65
09-25 211.04
09-26 183.41
09-27 209.61
09-28 174.01
09-29 146.2
09-30 157.68
10-01 372.15
10-02 512.95
10-03 380.21
10-04 324.66
10-05 277.99
10-06 237.0
10-07 204.47
10-08 322.65
10-09 289.36
10-10 238.64
10-11 212.0
10-12 243.06
10-13 211.7
10-14 242.36
10-15 223.19
10-16 363.55
10-17 335.21
10-18 473.91
10-19 383.89
10-20 299.8
10-21 304.82
10-22 326.32
10-23 421.26
10-24 397.21
10-25 436.36
10-26 323.31
10-27 376.62
10-28 351.69
10-29 351.0
10-30 518.38
10-31 572.08
11-01 754.71
11-02 829.08
11-03 670.0
11-04 709.5
11-05 546.07
11-06 433.0
11-07 461.54
11-08 438.77
11-09 390.58
11-10 344.0
11-11 376.42
11-12 356.25
11-13 402.83
11-14 383.31
11-15 331.31
11-16 350.92
11-17 341.77
11-18 314.54
11-19 385.08
11-20 375.15
11-21 376.21
11-22 326.92
11-23 315.25
11-24 323.15
11-25 305.54
11-26 328.54
11-27 351.36
11-28 447.67
11-29 443.31
11-30 398.23
12-01 562.58
12-02 598.17
12-03 515.46
12-04 547.91
12-05 437.75
12-06 488.09
12-07 492.58
12-08 480.91
12-09 460.2
12-10 418.55
12-11 583.0
12-12 687.36
12-13 573.7
12-14 567.17
12-15 669.0
12-16 612.33
12-17 754.29
12-18 666.17
12-19 1074.0
12-20 994.71
12-21 796.14
12-22 760.0
12-23 858.5
12-24 949.43
12-25 1060.17
12-26 1008.67
12-27 918.57
12-28 888.6
12-29 989.8
12-30 964.2
12-31 695.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index