Overview Realtime Historical Map View
Coastal Flood Advisory
2026-08-13T02:00:00-04:00

* WHAT...For the first Coastal Flood Advisory, up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the second Coastal Flood Advisory, up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In Delaware, New Castle. In New Jersey, Salem. * WHEN...For the first Coastal Flood Advisory, until 2 AM EDT Wednesday. For the second Coastal Flood Advisory, from 10 PM Wednesday to 2 AM EDT Thursday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Elevated tides due to the approach of the New Moon on August 12th may lead to minor coastal flooding during the evening high tides through Thursday.

Silver Lake Tributary At Middletown, De 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 2.98
01-02 3.83
01-03 2.74
01-04 2.82
01-05 2.72
01-06 2.67
01-07 2.77
01-08 2.6
01-09 2.74
01-10 8.84
01-11 3.17
01-12 3.36
01-13 3.32
01-14 2.88
01-15 2.82
01-16 2.93
01-17 3.91
01-18 2.85
01-19 4.42
01-20 3.28
01-21 2.96
01-22 2.6
01-23 2.73
01-24 2.85
01-25 3.24
01-26 3.17
01-27 2.72
01-28 2.9
01-29 2.66
01-30 2.6
01-31 2.5
02-01 2.56
02-02 2.56
02-03 2.65
02-04 2.87
02-05 2.93
02-06 2.97
02-07 2.93
02-08 3.02
02-09 2.8
02-10 2.9
02-11 3.15
02-12 4.19
02-13 3.61
02-14 3.61
02-15 3.25
02-16 3.33
02-17 3.62
02-18 3.41
02-19 3.16
02-20 3.2
02-21 3.21
02-22 3.2
02-23 3.61
02-24 3.32
02-25 6.11
02-26 3.36
02-27 3.31
02-28 3.18
02-29 3.21
03-01 3.34
03-02 3.61
03-03 3.94
03-04 5.15
03-05 5.66
03-06 3.66
03-07 3.63
03-08 3.48
03-09 4.0
03-10 3.72
03-11 3.83
03-12 3.37
03-13 3.52
03-14 3.29
03-15 3.5
03-16 3.63
03-17 3.62
03-18 3.39
03-19 3.46
03-20 3.38
03-21 3.41
03-22 4.18
03-23 3.66
03-24 4.35
03-25 3.74
03-26 3.64
03-27 3.53
03-28 3.51
03-29 3.51
03-30 3.75
03-31 3.7
04-01 3.73
04-02 3.81
04-03 3.64
04-04 4.66
04-05 3.31
04-06 3.36
04-07 3.37
04-08 3.71
04-09 3.18
04-10 2.91
04-11 2.85
04-12 4.23
04-13 2.91
04-14 2.79
04-15 2.6
04-16 3.01
04-17 2.91
04-18 2.9
04-19 3.25
04-20 2.95
04-21 2.93
04-22 2.8
04-23 3.2
04-24 3.03
04-25 3.03
04-26 3.28
04-27 2.94
04-28 2.81
04-29 4.57
04-30 3.13
05-01 4.92
05-02 3.06
05-03 3.04
05-04 2.91
05-05 2.87
05-06 2.99
05-07 3.25
05-08 3.11
05-09 2.88
05-10 2.97
05-11 2.9
05-12 3.0
05-13 3.04
05-14 3.06
05-15 3.03
05-16 3.31
05-17 3.06
05-18 2.92
05-19 2.95
05-20 2.9
05-21 2.81
05-22 3.03
05-23 2.98
05-24 2.7
05-25 2.7
05-26 3.01
05-27 2.7
05-28 2.74
05-29 3.21
05-30 4.16
05-31 5.01
06-01 2.76
06-02 3.69
06-03 3.01
06-04 2.67
06-05 2.59
06-06 2.4
06-07 2.5
06-08 2.56
06-09 2.35
06-10 2.25
06-11 3.14
06-12 2.64
06-13 3.44
06-14 2.6
06-15 2.72
06-16 2.49
06-17 2.39
06-18 2.42
06-19 2.51
06-20 2.41
06-21 3.23
06-22 2.75
06-23 2.72
06-24 2.72
06-25 2.49
06-26 2.71
06-27 2.27
06-28 3.39
06-29 2.33
06-30 2.47
07-01 2.17
07-02 2.2
07-03 2.36
07-04 3.4
07-05 2.4
07-06 2.64
07-07 9.97
07-08 4.62
07-09 5.29
07-10 5.35
07-11 2.99
07-12 3.19
07-13 4.47
07-14 3.22
07-15 3.55
07-16 2.78
07-17 2.62
07-18 3.68
07-19 2.52
07-20 2.6
07-21 2.59
07-22 3.58
07-23 2.65
07-24 2.56
07-25 3.94
07-26 5.01
07-27 2.56
07-28 2.7
07-29 3.76
07-30 2.81
07-31 2.38
08-01 2.5
08-02 2.31
08-03 2.29
08-04 2.27
08-05 4.1
08-06 2.55
08-07 2.36
08-08 2.55
08-09 3.58
08-10 2.23
08-11 2.18
08-12 2.47
08-13 3.61
08-14 2.62
08-15 4.76
08-16 2.88
08-17 2.61
08-18 2.56
08-19 2.56
08-20 2.85
08-21 2.45
08-22 5.26
08-23 2.42
08-24 2.18
08-25 2.24
08-26 2.46
08-27 2.22
08-28 24.25
08-29 3.24
08-30 2.7
08-31 2.39
09-01 7.5
09-02 3.7
09-03 3.4
09-04 3.16
09-05 2.4
09-06 2.38
09-07 3.03
09-08 2.5
09-09 2.53
09-10 3.93
09-11 2.74
09-12 2.69
09-13 3.59
09-14 2.31
09-15 2.33
09-16 2.14
09-17 3.89
09-18 2.33
09-19 2.26
09-20 2.25
09-21 2.26
09-22 2.33
09-23 2.2
09-24 3.86
09-25 2.66
09-26 2.48
09-27 2.51
09-28 2.55
09-29 2.46
09-30 3.97
10-01 2.78
10-02 2.32
10-03 2.82
10-04 2.37
10-05 2.47
10-06 2.47
10-07 2.42
10-08 2.42
10-09 2.52
10-10 2.78
10-11 2.49
10-12 3.26
10-13 2.67
10-14 2.5
10-15 2.57
10-16 2.44
10-17 2.73
10-18 2.46
10-19 2.41
10-20 2.51
10-21 2.75
10-22 2.54
10-23 2.76
10-24 2.53
10-25 2.55
10-26 2.75
10-27 2.94
10-28 2.93
10-29 2.85
10-30 11.54
10-31 3.43
11-01 3.06
11-02 3.09
11-03 2.87
11-04 2.76
11-05 2.57
11-06 2.92
11-07 3.26
11-08 3.02
11-09 2.87
11-10 3.16
11-11 3.26
11-12 16.64
11-13 3.45
11-14 3.2
11-15 3.0
11-16 5.23
11-17 3.48
11-18 3.23
11-19 3.14
11-20 2.92
11-21 2.52
11-22 3.21
11-23 3.1
11-24 2.84
11-25 5.4
11-26 2.79
11-27 3.04
11-28 2.64
11-29 2.53
11-30 3.05
12-01 3.15
12-02 2.73
12-03 2.49
12-04 2.41
12-05 2.45
12-06 2.57
12-07 2.59
12-08 6.24
12-09 2.78
12-10 2.97
12-11 3.69
12-12 2.73
12-13 2.65
12-14 2.83
12-15 3.09
12-16 3.9
12-17 5.06
12-18 4.25
12-19 3.06
12-20 3.08
12-21 3.25
12-22 3.18
12-23 3.11
12-24 4.84
12-25 8.11
12-26 7.43
12-27 3.32
12-28 3.9
12-29 3.59
12-30 3.3
12-31 3.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index