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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 50055000 RIO GRANDE DE LOIZA AT CAGUAS, PR


Caguas Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°14'33.70", Longitude  66°00'34.52" NAD27
Drainage area 89.8  square miles
Gage datum 164.04 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 -> 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
1 161 114 125 97 168 247 260 195 212 240 228 259
2 152 118 98 92 183 212 326 219 182 247 268 312
3 136 106 90 109 107 205 227 322 231 278 308 280
4 135 108 87 85 138 232 251 206 273 239 277 244
5 260 152 109 73 170 235 284 192 322 303 439 193
6 241 181 99 73 181 212 244 200 738 512 337 311
7 174 145 131 73 128 200 192 150 314 582 411 312
8 150 113 106 168 178 160 175 168 279 345 436 270
9 146 107 107 88 194 140 204 193 213 509 430 263
10 140 95 125 93 184 221 260 319 490 319 376 359
11 150 101 85 95 208 198 250 218 262 384 353 316
12 129 94 118 94 149 214 195 194 265 298 484 255
13 132 119 89 93 248 180 276 179 361 265 361 192
14 163 98 79 107 348 195 239 232 232 342 323 183
15 214 129 80 93 215 240 265 216 323 315 312 181
16 202 129 77 81 174 297 229 282 400 397 329 174
17 145 130 74 149 352 336 206 233 327 328 391 164
18 138 103 84 144 472 227 306 202 691 331 358 157
19 124 93 76 104 241 281 341 186 475 241 229 143
20 140 118 88 125 320 239 254 228 703 220 238 181
21 132 104 74 144 345 260 266 283 518 300 242 139
22 116 91 89 139 268 274 278 513 564 328 333 143
23 119 87 102 155 299 188 249 615 398 476 320 153
24 108 86 87 160 202 171 198 500 281 361 483 168
25 112 90 76 111 185 137 166 349 264 432 271 257
26 112 90 74 97 216 195 162 233 213 542 273 175
27 112 95 93 101 314 201 189 445 234 508 476 218
28 112 91 84 99 358 197 183 289 210 456 298 186
29 123 100 114 213 249 295 168 296 286 320 255 210
30 111   131 129 251 287 354 401 213 281 283 168
31 105   134   223   230 382   257   190