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USGS Surface-Water 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 50035000 RIO GRANDE DE MANATI AT CIALES, PR


Ciales Municipio, Puerto Rico
Hydrologic Unit Code 21010002
Latitude  18°19'27.95", Longitude  66°27'35.83" NAD27
Drainage area 134  square miles
Gage datum 140 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 1945-10-01 -> 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
1 211 245 171 153 335 281 103 117 201 322 342 269
2 205 195 130 172 351 238 108 118 201 301 370 342
3 182 196 130 169 275 182 104 115 302 295 473 354
4 165 231 126 182 218 201 103 106 263 277 428 331
5 236 227 189 177 328 199 107 102 288 279 398 271
6 253 252 166 198 316 201 102 100 414 490 353 281
7 199 188 164 152 310 193 100 97 369 846 366 231
8 184 149 137 173 444 233 105 112 267 549 542 246
9 197 148 143 233 556 171 112 100 286 660 656 333
10 181 141 127 273 389 166 100 105 609 408 366 440
11 245 160 117 279 363 161 93 99 276 472 284 587
12 281 149 203 307 335 161 101 161 257 403 401 323
13 202 147 153 283 542 145 115 116 380 346 464 347
14 216 143 134 241 473 123 109 108 244 374 423 265
15 233 136 119 248 368 127 114 112 274 410 375 245
16 249 144 109 226 363 149 146 139 523 465 418 229
17 200 133 115 312 671 172 112 165 343 484 364 199
18 181 117 154 324 1,000 181 149 129 692 405 356 244
19 197 128 166 275 373 132 141 123 527 368 342 208
20 200 139 163 374 411 119 121 126 1,220 323 346 208
21 199 166 134 422 357 118 102 141 677 364 374 201
22 233 138 144 273 267 135 108 317 715 368 350 180
23 187 124 138 364 331 121 99 443 405 494 360 171
24 164 118 127 285 356 117 119 284 356 425 340 187
25 161 124 135 292 308 117 102 206 353 383 353 217
26 165 117 204 272 291 145 94 169 286 464 302 189
27 173 133 242 210 283 127 90 222 310 466 503 201
28 163 152 197 241 341 132 96 233 298 433 310 233
29 156 116 194 308 261 122 89 187 304 438 262 201
30 158   217 324 224 111 206 329 375 505 271 170
31 178   156   216   142 451   436   171