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USGS Daily Statistics for the Nation

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
1 203 267 380 182 283 182 125 213 262 639 319 226
2 171 401 272 179 336 192 120 160 299 400 262 207
3 186 227 367 167 501 249 117 196 271 343 260 194
4 211 517 217 182 429 248 118 216 210 412 341 188
5 176 420 189 248 240 193 116 227 256 436 1,250 229
6 172 400 224 310 1,160 177 127 130 747 431 847 188
7 190 561 265 268 3,560 161 119 123 814 333 357 183
8 173 302 207 895 1,270 185 118 136 541 284 450 177
9 171 277 427 703 1,020 221 125 144 604 248 362 176
10 182 217 580 257 591 298 120 129 697 293 310 189
11 245 184 313 220 366 306 125 141 631 436 269 191
12 277 172 376 206 314 226 121 140 808 487 336 190
13 190 167 392 193 311 220 127 132 657 471 289 205
14 170 159 453 183 251 161 121 3,010 419 463 257 204
15 275 157 319 179 221 148 140 801 340 698 236 190
16 496 154 223 187 215 162 125 429 254 1,140 218 217
17 225 158 261 284 325 164 118 665 296 1,410 209 198
18 183 154 281 1,230 314 158 113 413 5,570 964 245 186
19 170 154 343 1,110 245 138 110 198 5,510 799 382 189
20 167 144 928 484 216 139 129 185 1,290 506 370 184
21 163 146 467 249 199 131 135 292 865 722 231 191
22 149 194 316 198 250 134 119 803 1,180 492 468 249
23 143 158 330 475 315 161 121 688 593 413 332 291
24 188 160 325 537 332 147 112 265 570 414 306 260
25 196 245 380 571 410 138 136 261 730 386 374 194
26 196 245 411 324 388 153 182 376 606 487 308 178
27 432 239 232 225 282 150 124 386 578 502 238 178
28 203 479 314 283 434 150 112 226 630 517 237 192
29 167 208 269 352 489 142 112 174 553 381 292 373
30 158   203 346 243 123 1,660 158 477 327 234 204
31 268   192   199   513 173   345   187