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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
1 207 255 344 178 844 196 125 213 262 639 360 230
2 179 366 253 174 1,140 205 120 160 299 400 291 214
3 190 224 333 164 902 252 117 196 271 343 270 202
4 210 468 256 176 921 249 118 216 210 412 330 197
5 242 384 366 233 983 193 116 227 256 436 1,080 230
6 373 365 309 285 1,320 177 127 130 747 431 757 195
7 246 499 264 247 3,360 161 119 123 814 333 418 190
8 213 287 211 768 1,340 185 118 136 541 284 469 185
9 211 301 390 609 1,100 221 125 144 604 248 364 183
10 219 240 515 236 643 298 120 129 697 293 481 196
11 261 202 289 210 419 306 125 141 631 436 386 201
12 278 181 340 213 393 226 121 140 808 487 368 195
13 201 174 605 191 343 220 127 132 657 471 305 217
14 182 171 908 187 281 161 121 3,010 419 463 392 241
15 268 194 364 174 254 148 140 801 340 698 530 201
16 451 181 235 179 282 162 125 429 254 997 325 235
17 224 169 256 259 409 164 118 665 296 1,220 287 228
18 193 163 268 1,050 585 158 113 413 5,570 849 336 206
19 179 161 319 1,550 408 138 110 198 5,510 711 410 198
20 175 151 803 1,860 303 139 129 185 1,290 467 380 195
21 172 153 418 399 264 131 135 292 865 647 254 200
22 159 192 303 248 319 134 119 803 1,180 458 447 250
23 155 163 317 452 332 161 121 688 593 388 336 285
24 192 163 301 496 340 147 112 265 570 390 316 259
25 198 233 344 520 399 138 136 261 730 376 362 200
26 199 235 369 448 380 153 182 376 606 512 304 185
27 397 230 221 360 287 150 124 386 578 488 244 196
28 202 427 287 778 413 150 112 226 630 493 243 262
29 171 208 251 1,190 456 142 112 174 553 387 288 386
30 168   196 1,100 250 123 1,660 158 477 357 238 216
31 256   189   212   513 173   393   196