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USGS Daily Statistics for Puerto Rico

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 50037000 RIO GRANDE DE MANATI NR MANATI, PR


Manati Municipio, Puerto Rico
Hydrologic Unit Code 21010002
Latitude  18°23'58", Longitude  66°29'49" NAD27
Drainage area 158  square miles
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2018-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 203 267 380 182 283 182 125 213 256 626 319 226
2 171 401 272 179 336 192 120 160 293 393 262 207
3 186 227 367 167 501 249 117 196 265 333 260 194
4 211 517 217 182 429 248 118 216 206 398 341 188
5 176 420 189 248 240 193 116 227 246 391 1,250 229
6 172 400 224 310 1,160 177 127 130 740 360 847 188
7 190 561 265 268 3,560 161 119 123 805 298 357 183
8 173 302 207 895 1,270 185 118 136 525 272 450 177
9 171 277 427 703 1,020 221 125 144 592 240 362 176
10 182 217 580 257 591 298 120 129 664 288 310 189
11 245 184 313 220 366 306 125 141 580 433 269 191
12 277 172 376 206 314 226 121 140 790 484 336 190
13 190 167 392 193 311 220 127 132 639 447 289 205
14 170 159 453 183 251 161 121 2,940 396 442 257 204
15 275 157 319 179 221 148 140 627 331 695 236 190
16 496 154 223 187 215 162 125 382 248 1,140 218 217
17 225 158 261 284 325 164 118 639 293 1,410 209 198
18 183 154 281 1,230 314 158 113 391 5,570 964 245 186
19 170 154 343 1,110 245 138 110 188 5,460 799 382 189
20 167 144 928 484 216 139 129 178 1,220 506 370 184
21 163 146 467 249 199 131 135 252 779 722 231 191
22 149 194 316 198 250 134 119 739 1,110 492 468 249
23 143 158 330 475 315 161 121 662 504 413 332 291
24 188 160 325 537 332 147 112 251 492 414 306 260
25 196 245 380 571 410 138 136 226 670 386 374 194
26 196 245 411 324 388 153 182 316 590 487 308 178
27 432 239 232 225 282 150 124 316 569 502 238 178
28 203 479 314 283 434 150 112 201 587 517 237 192
29 167 208 269 352 489 142 112 165 481 381 292 373
30 158   203 346 243 123 1,660 151 445 327 234 204
31 268   192   199   513 164   345   187