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Flash Flood Warning
2026-08-03T13:00:00-04:00

FFWOKX The National Weather Service in Upton has issued a * Flash Flood Warning for... Middlesex County in southern Connecticut... Southeastern New Haven County in southern Connecticut... New London County in southern Connecticut... * Until 100 PM EDT. * At 957 AM EDT, Doppler radar indicated heavy downpours and thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen over the last 6 hours. Rainfall rate of 1 to 2 inches in 1 hour are likely. Additional rainfall amounts of 1 to 3 inches are possible in the warned area through 1pm. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Jewett City, Middletown, Norwich, New London, Guilford, Colchester, Clinton, East Hampton, Groton, Old Saybrook, Durham, Salem, Chester, Mystic, Branford, Waterford, East Lyme, Ledyard, North Branford and Griswold.

Indian River Near Clinton, Ct. 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 19.88
01-02 14.44
01-03 11.92
01-04 11.62
01-05 11.76
01-06 12.75
01-07 10.18
01-08 9.36
01-09 8.89
01-10 40.06
01-11 15.21
01-12 13.73
01-13 16.14
01-14 15.42
01-15 13.92
01-16 10.61
01-17 12.38
01-18 11.85
01-19 12.36
01-20 13.46
01-21 11.46
01-22 8.29
01-23 11.67
01-24 13.18
01-25 20.05
01-26 28.1
01-27 15.32
01-28 14.69
01-29 14.11
01-30 11.29
01-31 8.87
02-01 8.67
02-02 7.65
02-03 7.5
02-04 11.17
02-05 17.46
02-06 9.72
02-07 10.94
02-08 15.15
02-09 10.43
02-10 8.77
02-11 9.65
02-12 13.41
02-13 10.54
02-14 9.92
02-15 9.66
02-16 9.89
02-17 18.53
02-18 13.1
02-19 11.43
02-20 11.62
02-21 11.76
02-22 11.36
02-23 15.04
02-24 16.64
02-25 18.61
02-26 14.25
02-27 13.16
02-28 29.45
02-29 13.65
03-01 17.18
03-02 15.09
03-03 24.52
03-04 16.72
03-05 14.34
03-06 15.62
03-07 22.39
03-08 15.29
03-09 12.94
03-10 37.34
03-11 18.76
03-12 19.49
03-13 25.76
03-14 21.59
03-15 27.77
03-16 18.67
03-17 18.75
03-18 17.27
03-19 14.54
03-20 14.89
03-21 13.43
03-22 12.09
03-23 11.48
03-24 25.97
03-25 17.06
03-26 13.71
03-27 13.57
03-28 13.06
03-29 18.88
03-30 16.72
03-31 20.94
04-01 18.42
04-02 16.12
04-03 15.37
04-04 19.88
04-05 16.33
04-06 13.21
04-07 15.03
04-08 14.64
04-09 12.88
04-10 13.9
04-11 10.6
04-12 9.14
04-13 11.27
04-14 15.15
04-15 12.39
04-16 16.39
04-17 15.8
04-18 11.71
04-19 11.29
04-20 11.14
04-21 12.64
04-22 12.06
04-23 13.4
04-24 13.1
04-25 9.79
04-26 15.23
04-27 20.9
04-28 13.4
04-29 10.46
04-30 11.23
05-01 17.61
05-02 19.49
05-03 11.8
05-04 11.55
05-05 10.85
05-06 21.69
05-07 15.69
05-08 10.9
05-09 10.25
05-10 21.42
05-11 13.57
05-12 10.12
05-13 9.91
05-14 6.87
05-15 6.73
05-16 10.59
05-17 8.28
05-18 9.83
05-19 7.92
05-20 9.16
05-21 12.53
05-22 7.36
05-23 10.19
05-24 8.05
05-25 10.83
05-26 9.05
05-27 6.8
05-28 5.57
05-29 8.63
05-30 8.1
05-31 8.15
06-01 6.32
06-02 5.21
06-03 7.0
06-04 5.11
06-05 4.62
06-06 5.06
06-07 4.23
06-08 30.0
06-09 9.69
06-10 7.26
06-11 9.43
06-12 11.36
06-13 6.7
06-14 7.64
06-15 10.17
06-16 5.46
06-17 4.33
06-18 4.28
06-19 7.19
06-20 4.95
06-21 3.91
06-22 3.3
06-23 3.31
06-24 12.09
06-25 5.18
06-26 6.73
06-27 4.08
06-28 4.92
06-29 3.88
06-30 3.25
07-01 3.27
07-02 3.29
07-03 2.78
07-04 3.46
07-05 3.21
07-06 2.16
07-07 7.86
07-08 3.07
07-09 2.07
07-10 10.09
07-11 3.88
07-12 3.3
07-13 3.11
07-14 3.57
07-15 2.39
07-16 2.27
07-17 4.24
07-18 2.3
07-19 8.51
07-20 2.81
07-21 1.81
07-22 5.18
07-23 6.07
07-24 3.33
07-25 2.14
07-26 1.95
07-27 1.95
07-28 1.34
07-29 1.65
07-30 1.8
07-31 1.4
08-01 1.63
08-02 1.21
08-03 0.93
08-04 0.65
08-05 4.39
08-06 1.45
08-07 0.99
08-08 1.64
08-09 1.11
08-10 2.85
08-11 1.27
08-12 1.4
08-13 1.26
08-14 5.16
08-15 5.51
08-16 3.26
08-17 1.64
08-18 1.27
08-19 4.11
08-20 1.87
08-21 1.27
08-22 1.08
08-23 1.78
08-24 3.9
08-25 1.34
08-26 1.04
08-27 0.83
08-28 1.63
08-29 6.79
08-30 2.42
08-31 1.37
09-01 1.01
09-02 10.4
09-03 6.39
09-04 2.77
09-05 3.1
09-06 3.09
09-07 7.56
09-08 5.5
09-09 4.27
09-10 4.88
09-11 3.32
09-12 2.56
09-13 7.39
09-14 3.78
09-15 2.35
09-16 1.87
09-17 1.57
09-18 1.42
09-19 6.19
09-20 3.01
09-21 1.96
09-22 1.75
09-23 1.74
09-24 2.82
09-25 3.13
09-26 29.7
09-27 7.75
09-28 3.98
09-29 6.6
09-30 13.93
10-01 5.28
10-02 3.01
10-03 2.79
10-04 2.75
10-05 3.83
10-06 2.72
10-07 2.75
10-08 2.77
10-09 2.32
10-10 2.69
10-11 2.45
10-12 4.36
10-13 3.99
10-14 3.22
10-15 3.7
10-16 2.29
10-17 4.71
10-18 3.54
10-19 2.79
10-20 4.37
10-21 5.93
10-22 4.32
10-23 3.4
10-24 3.31
10-25 3.48
10-26 4.17
10-27 8.47
10-28 10.48
10-29 5.14
10-30 16.21
10-31 12.28
11-01 7.83
11-02 6.59
11-03 5.09
11-04 5.04
11-05 4.09
11-06 3.72
11-07 5.04
11-08 4.21
11-09 3.96
11-10 7.53
11-11 6.53
11-12 5.22
11-13 5.29
11-14 9.35
11-15 5.75
11-16 5.97
11-17 8.15
11-18 8.51
11-19 6.75
11-20 6.16
11-21 5.88
11-22 5.01
11-23 8.44
11-24 10.07
11-25 11.92
11-26 8.38
11-27 15.84
11-28 13.23
11-29 7.58
11-30 10.69
12-01 14.36
12-02 10.11
12-03 12.31
12-04 9.71
12-05 7.4
12-06 12.07
12-07 15.4
12-08 24.3
12-09 14.39
12-10 23.04
12-11 29.52
12-12 15.04
12-13 11.78
12-14 18.33
12-15 14.16
12-16 11.48
12-17 11.84
12-18 14.47
12-19 15.38
12-20 11.01
12-21 9.67
12-22 14.15
12-23 12.43
12-24 18.13
12-25 17.67
12-26 17.16
12-27 11.57
12-28 11.98
12-29 18.49
12-30 14.82
12-31 14.48

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index