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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
1 230 128 147 115 255 152 167 191 205 193 326 346
2 223 148 93 112 251 190 175 177 150 201 379 443
3 161 147 81 120 261 173 136 300 154 258 653 445
4 154 123 66 104 170 214 182 164 261 246 410 336
5 231 288 90 115 230 237 169 134 406 236 453 390
6 400 233 133 127 249 226 161 137 680 817 569 463
7 200 202 120 128 516 204 139 123 406 1,410 491 343
8 155 115 118 129 463 143 143 132 259 919 778 343
9 157 102 110 171 385 123 158 140 239 929 614 342
10 160 105 107 160 330 105 212 229 1,260 485 542 597
11 175 102 72 155 303 111 163 175 466 639 421 570
12 188 109 91 269 247 127 138 173 245 430 753 568
13 163 105 105 174 491 109 118 146 593 245 1,040 460
14 188 113 97 153 477 87 145 514 356 291 788 339
15 248 116 72 160 268 96 162 193 561 370 538 269
16 243 91 73 167 293 177 224 176 819 575 668 225
17 158 161 74 205 545 198 177 159 429 467 576 233
18 135 112 95 274 648 163 195 157 1,090 336 555 176
19 158 89 108 279 445 214 182 119 1,130 373 419 166
20 221 108 106 313 347 193 310 128 1,520 299 343 210
21 164 86 79 281 458 115 189 212 915 380 379 192
22 184 101 121 260 349 189 225 502 1,310 310 414 192
23 197 75 165 316 405 132 190 739 529 425 465 250
24 133 75 132 304 359 181 155 496 432 400 472 229
25 126 87 127 287 242 123 133 406 323 306 448 304
26 130 90 147 182 268 156 124 237 260 460 311 212
27 169 110 160 131 213 134 113 480 257 653 478 281
28 135 106 194 190 276 149 124 387 290 654 477 232
29 125 91 192 191 403 177 121 244 272 453 309 300
30 144   153 349 214 131 273 320 217 330 339 191
31 139   135   162   255 776   354   206