Overview Realtime Historical Map View
Flood Advisory
2026-09-01T03:45:00-04:00

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Carolina, Gurabo, San Juan, Trujillo Alto... * WHEN...Until 345 AM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. Water over roadways. * ADDITIONAL DETAILS... - At 151 AM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Up to 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding.

Rio Gurabo At Gurabo, Pr 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 68.55
01-02 49.34
01-03 44.52
01-04 45.04
01-05 57.78
01-06 52.65
01-07 50.59
01-08 60.69
01-09 45.48
01-10 47.25
01-11 45.77
01-12 39.17
01-13 52.21
01-14 51.81
01-15 43.23
01-16 154.79
01-17 53.95
01-18 73.18
01-19 49.03
01-20 48.42
01-21 34.15
01-22 45.18
01-23 63.29
01-24 64.27
01-25 55.92
01-26 69.48
01-27 57.59
01-28 64.08
01-29 54.86
01-30 43.48
01-31 42.58
02-01 72.21
02-02 49.92
02-03 60.82
02-04 48.16
02-05 49.99
02-06 44.62
02-07 85.15
02-08 51.22
02-09 66.18
02-10 50.42
02-11 44.14
02-12 48.6
02-13 49.29
02-14 51.62
02-15 81.61
02-16 63.44
02-17 133.44
02-18 50.28
02-19 35.75
02-20 38.14
02-21 38.86
02-22 39.93
02-23 46.69
02-24 30.16
02-25 26.18
02-26 52.24
02-27 40.91
02-28 35.21
02-29 23.9
03-01 34.7
03-02 38.16
03-03 27.76
03-04 24.93
03-05 56.69
03-06 33.27
03-07 33.7
03-08 49.77
03-09 32.6
03-10 42.34
03-11 24.95
03-12 32.65
03-13 27.34
03-14 72.41
03-15 44.29
03-16 24.96
03-17 39.6
03-18 22.83
03-19 33.35
03-20 54.45
03-21 28.09
03-22 19.7
03-23 54.17
03-24 52.04
03-25 43.39
03-26 70.57
03-27 39.52
03-28 73.23
03-29 93.53
03-30 101.93
03-31 279.44
04-01 92.7
04-02 46.36
04-03 47.23
04-04 29.62
04-05 27.08
04-06 29.58
04-07 26.26
04-08 409.71
04-09 62.51
04-10 67.59
04-11 33.87
04-12 26.18
04-13 33.83
04-14 89.17
04-15 116.84
04-16 34.61
04-17 86.03
04-18 123.78
04-19 61.06
04-20 65.14
04-21 45.75
04-22 31.02
04-23 56.84
04-24 70.34
04-25 40.2
04-26 50.11
04-27 92.8
04-28 70.11
04-29 136.94
04-30 127.03
05-01 117.67
05-02 199.43
05-03 114.49
05-04 117.5
05-05 100.28
05-06 152.25
05-07 118.4
05-08 56.14
05-09 211.54
05-10 114.58
05-11 144.93
05-12 107.65
05-13 155.23
05-14 78.47
05-15 60.87
05-16 93.1
05-17 98.4
05-18 204.39
05-19 181.94
05-20 53.27
05-21 423.45
05-22 239.49
05-23 156.21
05-24 73.99
05-25 232.03
05-26 64.48
05-27 56.2
05-28 84.94
05-29 76.99
05-30 142.72
05-31 221.95
06-01 87.6
06-02 111.42
06-03 84.2
06-04 46.21
06-05 47.57
06-06 57.88
06-07 39.73
06-08 94.34
06-09 70.91
06-10 67.18
06-11 50.76
06-12 42.34
06-13 45.61
06-14 31.22
06-15 53.56
06-16 37.98
06-17 55.13
06-18 57.16
06-19 35.96
06-20 48.03
06-21 35.7
06-22 31.74
06-23 54.87
06-24 58.59
06-25 45.28
06-26 80.63
06-27 264.3
06-28 96.95
06-29 45.33
06-30 41.85
07-01 132.3
07-02 185.61
07-03 240.54
07-04 203.13
07-05 80.77
07-06 73.97
07-07 59.73
07-08 122.25
07-09 181.87
07-10 352.8
07-11 64.07
07-12 60.46
07-13 82.1
07-14 128.44
07-15 73.31
07-16 97.82
07-17 116.86
07-18 58.17
07-19 169.97
07-20 65.07
07-21 71.79
07-22 59.09
07-23 51.35
07-24 152.66
07-25 92.04
07-26 50.88
07-27 56.19
07-28 147.98
07-29 110.02
07-30 80.64
07-31 157.47
08-01 93.96
08-02 74.06
08-03 79.35
08-04 133.53
08-05 95.99
08-06 105.83
08-07 73.08
08-08 74.66
08-09 78.07
08-10 51.71
08-11 81.56
08-12 66.36
08-13 42.01
08-14 93.02
08-15 44.13
08-16 72.1
08-17 69.63
08-18 95.58
08-19 66.86
08-20 103.5
08-21 126.23
08-22 75.23
08-23 138.83
08-24 220.06
08-25 319.33
08-26 158.85
08-27 108.46
08-28 89.2
08-29 89.2
08-30 127.82
08-31 82.36
09-01 62.4
09-02 61.18
09-03 70.53
09-04 112.96
09-05 160.07
09-06 292.52
09-07 224.84
09-08 544.48
09-09 118.01
09-10 65.59
09-11 73.24
09-12 66.8
09-13 90.48
09-14 150.86
09-15 147.38
09-16 107.59
09-17 104.83
09-18 109.54
09-19 2028.36
09-20 1163.29
09-21 425.39
09-22 275.18
09-23 182.43
09-24 123.59
09-25 255.91
09-26 188.04
09-27 114.96
09-28 120.93
09-29 99.51
09-30 129.28
10-01 138.98
10-02 110.4
10-03 87.93
10-04 181.86
10-05 216.93
10-06 120.93
10-07 176.97
10-08 93.79
10-09 116.86
10-10 109.25
10-11 204.39
10-12 146.33
10-13 160.24
10-14 222.56
10-15 157.08
10-16 268.4
10-17 245.41
10-18 137.88
10-19 125.64
10-20 156.36
10-21 138.04
10-22 372.84
10-23 126.09
10-24 195.11
10-25 143.41
10-26 248.64
10-27 309.45
10-28 195.08
10-29 172.96
10-30 171.88
10-31 145.69
11-01 137.85
11-02 229.52
11-03 172.73
11-04 224.54
11-05 232.32
11-06 315.28
11-07 179.55
11-08 559.71
11-09 415.88
11-10 272.06
11-11 340.81
11-12 322.68
11-13 185.37
11-14 162.82
11-15 177.41
11-16 181.31
11-17 225.34
11-18 490.6
11-19 180.68
11-20 142.05
11-21 154.02
11-22 458.52
11-23 320.78
11-24 159.47
11-25 101.22
11-26 114.74
11-27 114.27
11-28 103.22
11-29 281.94
11-30 104.47
12-01 219.96
12-02 180.05
12-03 150.41
12-04 145.46
12-05 111.41
12-06 85.19
12-07 124.25
12-08 87.53
12-09 76.1
12-10 69.06
12-11 97.82
12-12 87.06
12-13 66.85
12-14 116.29
12-15 75.7
12-16 82.26
12-17 119.6
12-18 80.02
12-19 67.5
12-20 64.07
12-21 61.31
12-22 51.23
12-23 83.35
12-24 60.31
12-25 69.18
12-26 45.04
12-27 71.39
12-28 59.94
12-29 91.58
12-30 50.34
12-31 47.91

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index