Overview Realtime Historical Map View

Old Swamp River Near South Weymouth, Ma 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 12.96
01-02 11.4
01-03 9.35
01-04 10.64
01-05 12.06
01-06 13.99
01-07 11.27
01-08 10.65
01-09 8.6
01-10 17.73
01-11 18.36
01-12 14.33
01-13 16.0
01-14 16.59
01-15 11.66
01-16 10.04
01-17 12.83
01-18 8.82
01-19 10.33
01-20 10.43
01-21 13.71
01-22 11.73
01-23 11.82
01-24 15.66
01-25 24.37
01-26 19.43
01-27 26.54
01-28 14.58
01-29 13.33
01-30 11.35
01-31 9.82
02-01 10.29
02-02 12.64
02-03 12.24
02-04 13.29
02-05 12.49
02-06 10.07
02-07 9.12
02-08 11.45
02-09 9.58
02-10 8.79
02-11 8.37
02-12 10.57
02-13 10.4
02-14 13.6
02-15 11.56
02-16 10.62
02-17 20.71
02-18 13.44
02-19 11.58
02-20 10.91
02-21 9.33
02-22 10.07
02-23 11.96
02-24 11.93
02-25 16.8
02-26 15.19
02-27 11.16
02-28 17.84
02-29 12.65
03-01 12.54
03-02 11.45
03-03 25.58
03-04 15.15
03-05 12.23
03-06 13.7
03-07 18.96
03-08 18.76
03-09 15.28
03-10 16.99
03-11 15.94
03-12 15.43
03-13 18.19
03-14 16.82
03-15 23.32
03-16 18.19
03-17 17.0
03-18 18.8
03-19 12.22
03-20 11.58
03-21 11.05
03-22 11.23
03-23 11.48
03-24 26.1
03-25 17.17
03-26 12.36
03-27 14.61
03-28 14.27
03-29 20.04
03-30 17.48
03-31 18.65
04-01 18.39
04-02 22.59
04-03 17.04
04-04 24.6
04-05 21.9
04-06 14.71
04-07 16.29
04-08 15.96
04-09 13.25
04-10 12.3
04-11 10.03
04-12 8.94
04-13 9.81
04-14 14.47
04-15 13.02
04-16 12.5
04-17 20.74
04-18 12.25
04-19 10.69
04-20 9.13
04-21 8.83
04-22 9.44
04-23 15.79
04-24 14.16
04-25 9.49
04-26 10.05
04-27 18.31
04-28 15.79
04-29 10.32
04-30 10.35
05-01 10.56
05-02 12.79
05-03 9.95
05-04 8.97
05-05 9.92
05-06 9.81
05-07 8.46
05-08 6.98
05-09 7.34
05-10 10.59
05-11 11.48
05-12 7.52
05-13 7.53
05-14 5.49
05-15 7.06
05-16 11.07
05-17 8.9
05-18 8.04
05-19 6.25
05-20 6.44
05-21 9.29
05-22 7.21
05-23 16.65
05-24 13.36
05-25 10.11
05-26 10.87
05-27 8.67
05-28 7.4
05-29 11.57
05-30 10.95
05-31 18.19
06-01 7.15
06-02 5.56
06-03 5.79
06-04 4.39
06-05 5.11
06-06 9.12
06-07 7.95
06-08 16.24
06-09 10.53
06-10 6.5
06-11 6.09
06-12 9.32
06-13 6.48
06-14 6.55
06-15 9.53
06-16 4.67
06-17 4.32
06-18 4.9
06-19 4.86
06-20 3.54
06-21 3.42
06-22 4.97
06-23 6.98
06-24 4.15
06-25 3.16
06-26 4.6
06-27 3.61
06-28 4.61
06-29 6.64
06-30 3.66
07-01 3.59
07-02 6.51
07-03 5.43
07-04 7.62
07-05 5.85
07-06 3.86
07-07 3.52
07-08 5.41
07-09 6.55
07-10 11.6
07-11 9.33
07-12 5.16
07-13 5.02
07-14 3.89
07-15 3.61
07-16 2.85
07-17 7.42
07-18 6.29
07-19 5.02
07-20 3.27
07-21 4.44
07-22 5.0
07-23 5.29
07-24 5.26
07-25 3.72
07-26 4.18
07-27 4.06
07-28 2.85
07-29 2.67
07-30 4.38
07-31 2.76
08-01 2.76
08-02 1.53
08-03 1.56
08-04 1.19
08-05 3.14
08-06 6.92
08-07 2.41
08-08 3.15
08-09 2.37
08-10 7.0
08-11 7.5
08-12 3.62
08-13 2.07
08-14 1.81
08-15 1.63
08-16 3.77
08-17 2.17
08-18 1.78
08-19 2.44
08-20 1.76
08-21 1.46
08-22 1.84
08-23 1.81
08-24 5.86
08-25 4.11
08-26 2.86
08-27 1.91
08-28 1.75
08-29 4.1
08-30 1.91
08-31 1.27
09-01 1.0
09-02 8.57
09-03 6.92
09-04 2.27
09-05 1.45
09-06 1.82
09-07 3.42
09-08 2.19
09-09 6.04
09-10 3.12
09-11 10.07
09-12 4.34
09-13 5.48
09-14 3.36
09-15 1.95
09-16 2.47
09-17 1.91
09-18 1.58
09-19 5.61
09-20 3.72
09-21 1.81
09-22 1.52
09-23 3.63
09-24 3.33
09-25 2.74
09-26 6.69
09-27 6.29
09-28 2.79
09-29 3.46
09-30 3.86
10-01 5.89
10-02 4.15
10-03 2.51
10-04 2.0
10-05 8.67
10-06 6.62
10-07 4.5
10-08 3.17
10-09 2.84
10-10 3.53
10-11 3.02
10-12 5.52
10-13 8.12
10-14 12.59
10-15 7.97
10-16 5.06
10-17 8.99
10-18 6.16
10-19 4.77
10-20 4.97
10-21 8.72
10-22 6.6
10-23 7.51
10-24 13.14
10-25 8.34
10-26 6.1
10-27 9.59
10-28 17.48
10-29 10.58
10-30 16.46
10-31 15.99
11-01 12.05
11-02 9.88
11-03 8.27
11-04 9.97
11-05 6.49
11-06 6.07
11-07 8.31
11-08 8.12
11-09 8.46
11-10 11.75
11-11 9.75
11-12 8.07
11-13 7.58
11-14 9.86
11-15 6.86
11-16 8.07
11-17 11.65
11-18 10.93
11-19 9.23
11-20 7.86
11-21 8.29
11-22 6.95
11-23 8.25
11-24 14.17
11-25 11.37
11-26 10.5
11-27 17.14
11-28 17.29
11-29 9.83
11-30 7.79
12-01 11.34
12-02 10.25
12-03 15.67
12-04 12.91
12-05 8.7
12-06 13.71
12-07 11.4
12-08 13.57
12-09 13.47
12-10 22.24
12-11 16.58
12-12 15.88
12-13 10.59
12-14 10.45
12-15 10.9
12-16 9.12
12-17 15.83
12-18 17.73
12-19 17.07
12-20 12.34
12-21 9.43
12-22 11.73
12-23 11.89
12-24 14.81
12-25 12.59
12-26 13.87
12-27 9.53
12-28 8.76
12-29 11.68
12-30 15.92
12-31 14.21

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index