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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
1 170 148 135 143 285 362 236 341 554 834 619 351
2 171 122 120 145 305 346 245 324 586 693 599 342
3 163 121 113 147 355 332 276 337 628 618 670 317
4 158 121 108 151 294 320 243 304 547 562 606 304
5 154 129 111 148 317 322 273 392 525 596 544 302
6 186 124 126 177 335 282 256 325 592 676 574 301
7 160 131 107 149 385 258 270 355 681 802 549 276
8 165 120 114 145 355 309 288 334 582 906 628 273
9 155 121 106 187 407 316 257 332 507 799 690 267
10 153 135 111 184 448 377 254 364 806 784 565 296
11 155 121 130 171 472 518 268 408 622 917 519 375
12 151 116 110 172 359 397 316 330 591 802 546 309
13 150 110 108 175 415 327 321 315 776 697 675 262
14 166 111 122 189 411 298 323 407 581 737 642 269
15 161 122 113 197 328 306 295 336 589 804 557 244
16 169 115 104 163 401 341 286 414 1,190 709 563 243
17 150 115 95 159 480 343 289 519 772 795 541 253
18 150 110 97 167 692 351 323 393 844 824 565 240
19 144 103 125 173 569 302 376 473 962 717 509 209
20 140 106 132 186 411 289 362 384 2,170 763 503 219
21 149 117 118 220 487 311 329 376 1,740 771 485 229
22 161 134 97 200 379 290 308 401 2,000 690 448 221
23 150 109 100 185 410 277 350 524 848 746 398 203
24 150 113 113 215 406 278 303 569 814 717 391 198
25 134 113 126 211 381 330 275 582 831 743 400 198
26 133 108 123 310 339 321 282 438 714 763 410 203
27 131 109 120 301 495 303 301 494 807 755 427 194
28 126 113 135 270 458 329 308 438 663 701 399 185
29 143 97 153 290 424 318 312 407 710 733 347 184
30 130   152 279 399 289 376 405 748 734 336 177
31 139   160   346   374 661   681   170