Overview Realtime Historical Map View
Heat Advisory
2026-09-19T17:00:00-04:00

* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...All of Puerto Rico, including Vieques and Culebra, and the U.S. Virgin Islands. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...High temperatures or elevated heat indices can worsen symptoms in people with chronic conditions. They can also increase the risk of heat-related illness among individuals sensitive to heat with inadequate cooling or hydration. These risks are highest across coastal areas, lowlands, interior valleys, and urban zones.

Rio Grande De Manati At Ciales, 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
01-01 135.01
01-02 117.35
01-03 114.65
01-04 149.6
01-05 112.18
01-06 114.69
01-07 147.02
01-08 117.61
01-09 111.94
01-10 119.3
01-11 126.18
01-12 231.05
01-13 152.26
01-14 111.4
01-15 124.94
01-16 372.96
01-17 167.88
01-18 120.14
01-19 116.3
01-20 102.96
01-21 102.41
01-22 96.77
01-23 99.56
01-24 163.54
01-25 126.28
01-26 130.02
01-27 273.21
01-28 120.03
01-29 107.24
01-30 103.71
01-31 120.02
02-01 141.88
02-02 205.81
02-03 332.78
02-04 312.27
02-05 266.41
02-06 122.8
02-07 255.95
02-08 148.36
02-09 222.5
02-10 176.01
02-11 131.52
02-12 117.38
02-13 117.05
02-14 185.52
02-15 215.34
02-16 198.55
02-17 138.28
02-18 168.82
02-19 121.12
02-20 143.7
02-21 115.99
02-22 129.25
02-23 141.74
02-24 114.52
02-25 126.82
02-26 137.46
02-27 138.06
02-28 175.03
02-29 142.0
03-01 158.63
03-02 162.08
03-03 205.15
03-04 138.69
03-05 157.63
03-06 190.25
03-07 154.23
03-08 136.76
03-09 154.61
03-10 271.12
03-11 161.93
03-12 190.09
03-13 219.28
03-14 584.71
03-15 247.64
03-16 142.92
03-17 216.43
03-18 146.43
03-19 211.2
03-20 502.64
03-21 290.91
03-22 134.32
03-23 210.54
03-24 261.27
03-25 314.69
03-26 307.65
03-27 154.27
03-28 419.16
03-29 786.89
03-30 258.29
03-31 261.54
04-01 184.49
04-02 195.54
04-03 207.72
04-04 159.11
04-05 240.57
04-06 194.74
04-07 167.65
04-08 182.48
04-09 456.27
04-10 217.48
04-11 371.06
04-12 179.9
04-13 364.58
04-14 378.9
04-15 436.87
04-16 184.71
04-17 359.57
04-18 392.85
04-19 187.47
04-20 676.29
04-21 199.98
04-22 136.44
04-23 142.92
04-24 235.72
04-25 174.42
04-26 233.25
04-27 203.92
04-28 138.45
04-29 441.78
04-30 188.47
05-01 380.1
05-02 423.23
05-03 383.66
05-04 381.37
05-05 304.41
05-06 473.06
05-07 431.68
05-08 447.95
05-09 476.18
05-10 333.45
05-11 325.3
05-12 204.21
05-13 162.22
05-14 193.02
05-15 161.78
05-16 293.17
05-17 163.09
05-18 467.05
05-19 258.75
05-20 224.59
05-21 395.81
05-22 281.3
05-23 168.84
05-24 280.66
05-25 303.17
05-26 180.91
05-27 210.28
05-28 276.31
05-29 300.85
05-30 235.92
05-31 210.47
06-01 139.72
06-02 160.29
06-03 226.49
06-04 154.74
06-05 708.29
06-06 167.25
06-07 131.11
06-08 2057.15
06-09 196.82
06-10 193.98
06-11 189.11
06-12 147.67
06-13 172.03
06-14 122.11
06-15 113.25
06-16 101.95
06-17 102.4
06-18 102.06
06-19 111.72
06-20 139.94
06-21 100.62
06-22 96.41
06-23 99.3
06-24 97.59
06-25 95.72
06-26 107.92
06-27 101.96
06-28 104.72
06-29 103.48
06-30 90.34
07-01 93.32
07-02 93.15
07-03 102.68
07-04 180.26
07-05 104.41
07-06 98.18
07-07 92.22
07-08 104.24
07-09 91.8
07-10 96.58
07-11 86.13
07-12 106.72
07-13 97.28
07-14 167.03
07-15 122.57
07-16 140.84
07-17 93.12
07-18 87.01
07-19 116.14
07-20 106.82
07-21 90.68
07-22 87.59
07-23 105.11
07-24 85.33
07-25 85.83
07-26 89.08
07-27 75.96
07-28 140.5
07-29 122.99
07-30 154.38
07-31 315.24
08-01 150.1
08-02 93.08
08-03 194.85
08-04 133.71
08-05 91.02
08-06 100.05
08-07 119.79
08-08 91.08
08-09 95.37
08-10 86.09
08-11 85.48
08-12 70.28
08-13 85.55
08-14 75.19
08-15 92.87
08-16 100.81
08-17 194.93
08-18 309.01
08-19 134.88
08-20 108.73
08-21 88.56
08-22 157.98
08-23 1092.79
08-24 1668.24
08-25 270.02
08-26 179.14
08-27 300.71
08-28 155.48
08-29 176.83
08-30 149.08
08-31 154.88
09-01 120.17
09-02 135.29
09-03 164.89
09-04 203.24
09-05 186.09
09-06 348.01
09-07 826.86
09-08 436.62
09-09 336.73
09-10 371.12
09-11 227.71
09-12 359.02
09-13 339.57
09-14 298.82
09-15 269.15
09-16 215.45
09-17 193.62
09-18 554.41
09-19 1486.23
09-20 1366.68
09-21 355.68
09-22 637.45
09-23 285.83
09-24 253.0
09-25 429.33
09-26 329.68
09-27 491.91
09-28 382.64
09-29 261.73
09-30 417.56
10-01 512.5
10-02 328.21
10-03 287.78
10-04 379.1
10-05 299.33
10-06 287.85
10-07 248.01
10-08 213.74
10-09 231.39
10-10 311.92
10-11 358.42
10-12 462.89
10-13 411.18
10-14 347.33
10-15 242.25
10-16 558.5
10-17 424.44
10-18 395.96
10-19 377.8
10-20 377.82
10-21 317.62
10-22 370.87
10-23 561.15
10-24 564.96
10-25 633.23
10-26 743.27
10-27 396.0
10-28 502.49
10-29 337.12
10-30 248.07
10-31 283.88
11-01 327.58
11-02 329.27
11-03 316.51
11-04 432.4
11-05 388.27
11-06 606.45
11-07 340.91
11-08 651.13
11-09 512.93
11-10 336.54
11-11 270.68
11-12 355.21
11-13 295.46
11-14 242.22
11-15 301.68
11-16 255.55
11-17 201.85
11-18 273.54
11-19 217.38
11-20 309.85
11-21 508.96
11-22 540.63
11-23 464.97
11-24 502.83
11-25 411.7
11-26 448.34
11-27 357.34
11-28 188.89
11-29 291.55
11-30 219.82
12-01 260.6
12-02 254.41
12-03 181.18
12-04 156.45
12-05 216.82
12-06 177.73
12-07 171.27
12-08 165.05
12-09 164.38
12-10 225.04
12-11 207.68
12-12 161.21
12-13 148.14
12-14 151.3
12-15 138.93
12-16 160.35
12-17 166.21
12-18 131.89
12-19 132.4
12-20 127.08
12-21 132.29
12-22 126.43
12-23 211.64
12-24 234.25
12-25 168.48
12-26 136.78
12-27 138.35
12-28 139.35
12-29 199.69
12-30 124.24
12-31 119.71

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index