Merrimack River At Franklin Junction, 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 3900.91
01-02 4004.44
01-03 4050.0
01-04 4100.0
01-05 3516.0
01-06 3397.27
01-07 3333.0
01-08 3190.0
01-09 3205.0
01-10 2821.0
01-11 3390.0
01-12 3794.17
01-13 3888.33
01-14 4229.17
01-15 3809.17
01-16 3626.67
01-17 3470.83
01-18 3176.36
01-19 3111.67
01-20 2887.27
01-21 2819.09
01-22 2678.33
01-23 2648.0
01-24 2514.55
01-25 2845.56
01-26 3756.67
01-27 3677.78
01-28 3312.0
01-29 3043.75
01-30 2704.55
01-31 2747.0
02-01 3010.0
02-02 2970.91
02-03 2829.0
02-04 2641.0
02-05 2584.0
02-06 2550.91
02-07 2454.0
02-08 2267.89
02-09 2365.0
02-10 2413.33
02-11 2361.11
02-12 2335.0
02-13 2168.0
02-14 2141.0
02-15 2190.64
02-16 2104.55
02-17 2196.67
02-18 2654.38
02-19 2192.0
02-20 2337.5
02-21 2375.0
02-22 2210.91
02-23 2625.0
02-24 2703.33
02-25 2739.0
02-26 3196.36
02-27 3319.18
02-28 3054.64
02-29 3857.5
03-01 2851.27
03-02 2610.0
03-03 2736.67
03-04 2723.5
03-05 2683.62
03-06 2606.92
03-07 2844.29
03-08 2992.43
03-09 3195.0
03-10 3103.57
03-11 3675.71
03-12 3608.46
03-13 3921.43
03-14 4439.23
03-15 3994.29
03-16 3667.86
03-17 3920.0
03-18 4798.57
03-19 4612.67
03-20 4577.14
03-21 4211.33
03-22 4035.0
03-23 3736.0
03-24 3462.86
03-25 3435.33
03-26 3504.0
03-27 3640.67
03-28 3832.67
03-29 3924.67
03-30 4121.33
03-31 4220.0
04-01 4548.0
04-02 5422.0
04-03 5094.0
04-04 4817.33
04-05 4894.67
04-06 4955.33
04-07 4796.67
04-08 4898.67
04-09 5345.0
04-10 5422.67
04-11 5305.33
04-12 5424.29
04-13 5791.43
04-14 6433.57
04-15 6925.38
04-16 8070.0
04-17 7571.54
04-18 7789.23
04-19 6952.31
04-20 6200.0
04-21 6348.57
04-22 5751.43
04-23 5765.71
04-24 6033.08
04-25 5975.38
04-26 5420.0
04-27 5733.57
04-28 5500.0
04-29 5452.86
04-30 5193.08
05-01 5829.29
05-02 5941.43
05-03 5920.0
05-04 6006.0
05-05 5895.71
05-06 6292.0
05-07 5637.33
05-08 4743.57
05-09 4497.86
05-10 4837.33
05-11 4608.57
05-12 4505.38
05-13 4303.85
05-14 3512.31
05-15 3613.08
05-16 4613.33
05-17 5187.14
05-18 5238.67
05-19 4725.33
05-20 4134.29
05-21 4372.67
05-22 4112.67
05-23 3756.0
05-24 3694.67
05-25 3633.33
05-26 3599.93
05-27 3714.67
05-28 3442.67
05-29 3162.0
05-30 3120.67
05-31 3944.0
06-01 3824.67
06-02 3788.33
06-03 3497.67
06-04 3506.0
06-05 3183.0
06-06 2906.0
06-07 3455.0
06-08 3457.86
06-09 3008.6
06-10 2767.0
06-11 2708.2
06-12 2858.93
06-13 2761.79
06-14 2648.79
06-15 2702.07
06-16 2661.73
06-17 2378.13
06-18 2221.93
06-19 2402.21
06-20 2558.36
06-21 2173.71
06-22 2233.07
06-23 2057.0
06-24 2230.57
06-25 1891.79
06-26 2005.79
06-27 2971.07
06-28 2738.79
06-29 3130.36
06-30 2941.21
07-01 2697.21
07-02 3230.0
07-03 3711.36
07-04 3032.46
07-05 2835.0
07-06 2454.8
07-07 2001.23
07-08 1749.0
07-09 1939.07
07-10 2010.0
07-11 2326.57
07-12 2687.0
07-13 2182.14
07-14 2039.87
07-15 2053.47
07-16 1900.69
07-17 2045.5
07-18 1998.69
07-19 2043.71
07-20 2198.14
07-21 2097.0
07-22 1974.93
07-23 1693.0
07-24 1825.86
07-25 1891.71
07-26 1789.71
07-27 2150.15
07-28 1850.21
07-29 1996.5
07-30 2393.79
07-31 2037.36
08-01 1850.42
08-02 1584.31
08-03 1671.14
08-04 1520.64
08-05 1643.93
08-06 1527.14
08-07 1327.79
08-08 1339.75
08-09 1584.15
08-10 1741.62
08-11 1767.5
08-12 1827.64
08-13 1630.29
08-14 1765.21
08-15 1830.21
08-16 1678.0
08-17 1622.08
08-18 1476.75
08-19 1474.23
08-20 1334.38
08-21 1298.46
08-22 1206.33
08-23 1514.71
08-24 1418.69
08-25 1346.0
08-26 1424.64
08-27 1382.14
08-28 1258.14
08-29 1971.07
08-30 2201.29
08-31 2197.85
09-01 2176.86
09-02 2054.29
09-03 1719.5
09-04 1535.14
09-05 1383.79
09-06 1305.21
09-07 1552.86
09-08 1567.57
09-09 1647.43
09-10 1544.64
09-11 1435.0
09-12 1360.43
09-13 1423.62
09-14 1473.29
09-15 1475.57
09-16 1264.93
09-17 1190.21
09-18 1072.14
09-19 1219.21
09-20 1718.93
09-21 1534.07
09-22 1364.08
09-23 1274.5
09-24 1340.93
09-25 1517.14
09-26 1574.93
09-27 1456.86
09-28 1286.0
09-29 1159.0
09-30 1321.77
10-01 2105.83
10-02 2170.69
10-03 1866.38
10-04 1874.42
10-05 1747.79
10-06 1459.38
10-07 1288.21
10-08 1202.29
10-09 1435.07
10-10 1451.71
10-11 1316.46
10-12 1314.93
10-13 1348.77
10-14 1260.36
10-15 1471.85
10-16 1856.0
10-17 2010.14
10-18 2378.14
10-19 2139.23
10-20 1678.92
10-21 1729.0
10-22 1955.93
10-23 2020.64
10-24 1939.21
10-25 1880.29
10-26 1707.15
10-27 2331.86
10-28 1959.46
10-29 2393.29
10-30 2662.38
10-31 2970.38
11-01 4773.57
11-02 5043.85
11-03 4066.92
11-04 4250.0
11-05 3453.43
11-06 2891.15
11-07 2747.85
11-08 2689.08
11-09 2448.92
11-10 2313.38
11-11 2526.15
11-12 2564.38
11-13 2748.54
11-14 2757.29
11-15 2548.93
11-16 2520.71
11-17 2448.57
11-18 2460.0
11-19 2410.0
11-20 2445.38
11-21 2613.93
11-22 2291.15
11-23 2023.62
11-24 2057.62
11-25 2176.08
11-26 2292.08
11-27 2254.62
11-28 2949.23
11-29 3256.43
11-30 2748.57
12-01 3182.86
12-02 4173.92
12-03 3517.36
12-04 3285.0
12-05 2981.5
12-06 2709.92
12-07 2739.21
12-08 3097.86
12-09 2990.92
12-10 2801.57
12-11 3182.29
12-12 3802.64
12-13 3618.46
12-14 3249.09
12-15 3486.67
12-16 3647.0
12-17 3654.0
12-18 3442.73
12-19 3745.0
12-20 3567.27
12-21 4307.0
12-22 4737.27
12-23 5140.0
12-24 5954.17
12-25 5882.5
12-26 7262.0
12-27 6051.82
12-28 5433.0
12-29 5378.89
12-30 4338.0
12-31 4151.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index