Overview Realtime Historical Map View

Connecticut River At North Walpole, 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 11431.67
01-02 11891.0
01-03 11173.64
01-04 10234.0
01-05 8691.82
01-06 8325.45
01-07 7412.73
01-08 8303.33
01-09 7598.33
01-10 7554.55
01-11 7535.83
01-12 9955.0
01-13 12214.17
01-14 13583.33
01-15 11237.5
01-16 11300.83
01-17 11621.54
01-18 9915.0
01-19 8038.46
01-20 8814.62
01-21 6695.45
01-22 7576.67
01-23 9294.55
01-24 7599.17
01-25 8665.83
01-26 9587.27
01-27 9256.36
01-28 8024.17
01-29 7933.33
01-30 7120.83
01-31 7319.17
02-01 8432.5
02-02 8208.33
02-03 6552.5
02-04 7268.33
02-05 7624.17
02-06 7485.45
02-07 7499.17
02-08 7202.73
02-09 5659.17
02-10 6207.27
02-11 5689.17
02-12 6485.83
02-13 5394.55
02-14 5823.0
02-15 5570.0
02-16 4938.18
02-17 5804.0
02-18 7858.18
02-19 7136.36
02-20 7006.67
02-21 6525.83
02-22 5188.18
02-23 8452.31
02-24 9855.83
02-25 9409.09
02-26 11958.0
02-27 10764.55
02-28 9247.5
02-29 13377.5
03-01 9373.33
03-02 8272.5
03-03 8610.0
03-04 8010.83
03-05 7925.83
03-06 10330.77
03-07 10102.31
03-08 12379.23
03-09 13666.92
03-10 12700.77
03-11 14158.46
03-12 13860.83
03-13 15850.0
03-14 16728.18
03-15 15962.31
03-16 15593.85
03-17 17380.0
03-18 19886.15
03-19 18067.69
03-20 15622.86
03-21 16089.29
03-22 15053.57
03-23 15270.0
03-24 14776.15
03-25 13744.29
03-26 13884.29
03-27 13923.08
03-28 15096.92
03-29 15174.29
03-30 16630.71
03-31 18197.69
04-01 19612.0
04-02 21134.67
04-03 18584.0
04-04 20336.0
04-05 20882.67
04-06 19593.33
04-07 19932.0
04-08 19984.67
04-09 20975.0
04-10 22390.0
04-11 22896.0
04-12 23333.57
04-13 24242.86
04-14 27154.29
04-15 30759.23
04-16 30130.0
04-17 29466.15
04-18 30804.62
04-19 28046.92
04-20 26086.92
04-21 24725.0
04-22 23695.0
04-23 23557.14
04-24 25618.57
04-25 22203.08
04-26 20864.29
04-27 20931.43
04-28 21366.43
04-29 19575.71
04-30 19036.43
05-01 23620.67
05-02 23517.86
05-03 22571.43
05-04 21266.67
05-05 19471.43
05-06 21570.67
05-07 20070.0
05-08 17575.0
05-09 16371.43
05-10 16563.33
05-11 18002.86
05-12 16441.43
05-13 15195.0
05-14 13360.77
05-15 12985.38
05-16 15208.33
05-17 17210.71
05-18 18088.67
05-19 16640.67
05-20 13584.29
05-21 15397.14
05-22 11922.67
05-23 12194.67
05-24 12380.0
05-25 11834.67
05-26 12563.33
05-27 12877.33
05-28 13203.33
05-29 12878.0
05-30 12256.67
05-31 12744.0
06-01 13278.67
06-02 12299.33
06-03 11602.0
06-04 9354.0
06-05 9626.43
06-06 8576.0
06-07 11715.71
06-08 10532.86
06-09 8596.67
06-10 7636.67
06-11 8367.14
06-12 9512.14
06-13 8723.57
06-14 8145.71
06-15 8758.67
06-16 8738.0
06-17 7366.0
06-18 6970.0
06-19 7370.71
06-20 7722.86
06-21 8285.71
06-22 6282.31
06-23 7423.57
06-24 8515.0
06-25 8452.86
06-26 8348.57
06-27 8289.29
06-28 8810.0
06-29 10518.57
06-30 9115.71
07-01 9371.43
07-02 10727.14
07-03 13056.43
07-04 9902.31
07-05 8708.0
07-06 7453.33
07-07 7402.14
07-08 6172.86
07-09 5967.14
07-10 6595.33
07-11 11127.14
07-12 9432.31
07-13 7284.29
07-14 7028.67
07-15 7170.0
07-16 6828.46
07-17 5769.23
07-18 6553.57
07-19 7361.33
07-20 7457.33
07-21 6739.33
07-22 6752.0
07-23 5319.33
07-24 5112.67
07-25 5580.0
07-26 4404.67
07-27 3617.14
07-28 3826.0
07-29 5303.33
07-30 6490.67
07-31 5975.0
08-01 4884.62
08-02 4710.0
08-03 3788.0
08-04 3518.67
08-05 4373.33
08-06 4684.29
08-07 2899.29
08-08 3048.33
08-09 3866.92
08-10 4016.92
08-11 4882.86
08-12 4147.14
08-13 3725.0
08-14 4552.14
08-15 3972.86
08-16 2930.0
08-17 4276.92
08-18 3885.0
08-19 3536.15
08-20 3449.23
08-21 3251.54
08-22 2590.0
08-23 4685.71
08-24 2823.08
08-25 3010.77
08-26 3155.0
08-27 3242.86
08-28 2869.29
08-29 7351.43
08-30 6379.29
08-31 5605.38
09-01 4478.57
09-02 3554.29
09-03 3773.57
09-04 3163.57
09-05 4280.71
09-06 4025.71
09-07 3859.29
09-08 4689.29
09-09 4846.43
09-10 4451.43
09-11 3707.86
09-12 3069.29
09-13 3257.69
09-14 4265.71
09-15 4735.71
09-16 3519.29
09-17 3422.14
09-18 3405.0
09-19 3335.0
09-20 3475.0
09-21 3898.57
09-22 3175.38
09-23 3763.57
09-24 4184.29
09-25 3803.57
09-26 3202.86
09-27 3063.57
09-28 3418.57
09-29 2644.29
09-30 3143.08
10-01 6947.5
10-02 5665.38
10-03 5480.77
10-04 3942.5
10-05 4157.86
10-06 3859.23
10-07 2870.71
10-08 3405.71
10-09 5256.43
10-10 3974.29
10-11 3012.86
10-12 3403.57
10-13 3516.15
10-14 3122.14
10-15 4529.23
10-16 4886.92
10-17 5271.43
10-18 7890.0
10-19 6184.62
10-20 4326.92
10-21 5602.31
10-22 7314.29
10-23 6197.86
10-24 6482.86
10-25 5821.43
10-26 6191.54
10-27 6705.71
10-28 6115.38
10-29 6746.43
10-30 8500.77
10-31 8188.46
11-01 11747.86
11-02 12360.0
11-03 11071.54
11-04 10257.14
11-05 9380.0
11-06 7419.23
11-07 6742.31
11-08 6880.77
11-09 7004.62
11-10 6864.62
11-11 6485.38
11-12 6459.23
11-13 6080.77
11-14 8455.71
11-15 7708.57
11-16 5298.57
11-17 5508.57
11-18 5730.77
11-19 4825.83
11-20 5423.33
11-21 6013.08
11-22 6149.23
11-23 4375.83
11-24 5065.83
11-25 6374.62
11-26 3720.0
11-27 4000.0
11-28 6959.23
11-29 9945.0
11-30 8336.43
12-01 9436.43
12-02 9492.31
12-03 9688.57
12-04 10574.29
12-05 10430.71
12-06 8154.62
12-07 9832.14
12-08 9460.71
12-09 9840.77
12-10 9008.57
12-11 9830.0
12-12 12004.62
12-13 10834.62
12-14 9597.27
12-15 9960.83
12-16 10265.45
12-17 10520.91
12-18 10748.18
12-19 13263.08
12-20 12461.67
12-21 14264.55
12-22 15975.83
12-23 15036.15
12-24 17739.23
12-25 14319.23
12-26 17913.33
12-27 16328.18
12-28 13701.0
12-29 14314.0
12-30 12563.0
12-31 12365.45

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index