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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 50046000 RIO DE LA PLATA AT HWY 2 NR TOA ALTA, PR


Dorado Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°24'41.72", Longitude  66°15'39.45" NAD27
Drainage area 208  square miles
Gage datum 9.15 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 1959-10-01 -> 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
1 231 129 147 115 255 152 167 191 205 193 311 350
2 225 149 93 112 251 190 175 177 150 201 377 448
3 161 147 81 120 261 173 136 300 154 258 658 451
4 154 124 66 104 170 214 182 164 261 246 415 340
5 231 291 90 115 230 237 169 134 406 236 459 395
6 394 235 133 127 249 226 161 137 680 817 568 469
7 198 204 120 128 516 204 139 123 406 1,410 484 347
8 155 114 118 129 463 143 143 132 259 919 783 347
9 158 100 110 171 385 123 158 140 239 929 616 343
10 160 104 107 160 330 105 212 229 1,260 490 499 602
11 175 102 72 155 303 111 163 175 466 648 397 576
12 189 109 91 269 247 127 138 173 245 436 750 576
13 164 105 105 174 491 109 118 146 593 247 1,050 466
14 189 113 97 153 477 87 145 514 356 294 795 343
15 250 116 72 160 268 96 162 193 561 375 530 271
16 245 91 73 167 293 177 224 176 819 582 661 224
17 159 161 74 205 545 198 177 159 429 471 570 232
18 134 112 95 274 648 163 195 157 1,090 336 551 177
19 158 89 108 279 445 214 182 119 1,130 377 421 166
20 223 108 106 313 347 193 310 128 1,520 302 343 207
21 165 86 79 281 458 115 189 212 915 385 381 190
22 185 101 121 260 349 189 225 502 1,310 314 414 191
23 198 75 165 316 405 132 190 739 529 431 470 251
24 133 75 132 304 359 181 155 496 432 405 477 231
25 126 87 127 287 242 123 133 406 323 308 452 305
26 131 90 147 182 268 156 124 237 260 463 313 213
27 169 110 160 131 213 134 113 480 257 661 483 283
28 135 106 194 190 276 149 124 387 290 663 482 231
29 125 91 192 191 403 177 121 244 272 459 312 301
30 145   153 349 214 131 273 320 217 333 343 191
31 139   135   162   255 776   343   207