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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 50144000 RIO GRANDE DE ANASCO NR SAN SEBASTIAN, PR


Anasco Municipio, Puerto Rico
Hydrologic Unit Code 21010003
Latitude  18°17'03.00", Longitude  67°03'03.46" NAD27
Drainage area 134  square miles
Gage datum 164.0 feet above NGVD29
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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 1962-10-01 -> 2024-09-30)

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
1 170 148 135 142 289 360 238 341 554 834 619 351
2 171 122 120 143 304 348 246 324 586 693 599 342
3 163 121 113 146 359 333 276 337 628 618 670 317
4 158 121 108 149 300 321 243 304 547 562 606 304
5 154 129 111 147 317 323 273 392 525 596 544 302
6 186 124 126 176 357 287 256 325 592 676 574 301
7 160 131 107 147 481 259 270 355 681 802 549 276
8 165 120 114 146 410 308 288 334 582 906 628 273
9 155 121 106 192 433 315 257 332 507 799 690 267
10 153 135 111 182 464 375 254 364 806 784 565 296
11 155 121 130 169 475 513 268 408 622 917 519 375
12 151 116 110 173 359 394 316 330 591 802 546 309
13 150 110 108 177 416 329 321 315 776 697 675 262
14 166 111 122 188 420 314 323 407 581 737 642 269
15 161 122 113 196 331 323 295 336 589 804 557 244
16 169 115 104 162 403 349 286 414 1,190 709 563 243
17 150 115 95 165 506 351 289 519 772 795 541 253
18 150 110 97 178 710 356 323 393 844 824 565 240
19 144 103 124 180 580 306 376 473 962 717 509 209
20 140 106 130 200 416 293 362 384 2,170 763 503 219
21 149 117 120 222 487 315 329 376 1,740 771 485 229
22 161 134 98 201 380 301 308 401 2,000 690 448 221
23 150 109 105 192 410 299 350 524 848 746 398 203
24 150 113 113 242 405 287 303 569 814 717 391 198
25 134 113 125 235 391 333 275 582 831 743 400 198
26 133 108 124 323 348 321 282 438 714 763 410 203
27 131 109 119 322 498 304 301 494 807 755 427 194
28 126 113 134 277 459 331 308 438 663 701 399 185
29 143 97 152 293 424 321 312 407 710 733 347 184
30 130   150 279 398 292 376 405 748 734 336 177
31 139   158   345   374 661   681   170