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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 50045010 RIO DE LA PLATA BLW LA PLATA DAMSITE, PR


Toa Alta Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°20'45.62", Longitude  66°14'19.73" NAD27
Drainage area 181  square miles
Contributing drainage area 172.8  square miles
Gage datum 80.0 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 1988-10-01 -> 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 96 22 33 30 133 51 43 154 63 109 252 201
2 85 22 25 50 181 82 105 94 45 168 358 423
3 71 28 23 51 186 67 69 315 66 265 188 260
4 84 18 10 39 112 210 68 83 179 174 115 210
5 514 241 30 43 150 114 32 56 371 101 263 204
6 871 171 49 76 221 80 59 57 375 149 426 463
7 141 140 114 86 435 188 71 63 289 690 398 220
8 104 41 76 105 372 75 109 46 274 538 778 176
9 111 34 93 95 260 43 98 33 163 212 345 120
10 102 11 54 119 252 42 58 31 4,260 300 392 232
11 106 20 12 30 114 40 149 33 2,990 646 354 399
12 105 22 53 53 101 37 74 48 111 391 847 341
13 115 45 26 81 305 48 36 50 555 204 1,240 85
14 123 34 39 104 199 31 82 329 328 200 864 99
15 239 35 12 79 161 53 135 173 844 144 420 76
16 131 24 12 97 103 34 136 151 830 239 794 121
17 72 24 12 200 227 51 111 102 400 299 554 90
18 74 15 40 175 251 39 132 66 1,610 311 507 80
19 117 22 17 157 134 128 150 47 981 365 319 67
20 204 28 98 108 187 158 284 61 2,780 221 280 77
21 64 30 45 103 334 59 223 127 1,170 389 276 91
22 57 40 178 104 169 81 147 707 2,770 286 248 100
23 159 25 180 211 223 59 137 984 1,220 268 295 142
24 62 21 126 298 352 165 107 464 432 234 252 100
25 46 28 78 140 144 92 70 262 276 152 156 224
26 57 22 48 98 198 97 45 155 187 504 105 87
27 73 26 206 70 157 60 71 96 179 546 152 79
28 63 18 160 247 313 63 63 62 189 528 202 147
29 98 4 149 174 335 41 46 107 156 362 128 251
30 81   77 207 123 37 310 135 123 147 165 75
31 30   93   67   211 183   221   92