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USGS Daily Statistics for the Nation

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 32 32 169 50 43 154 63 109 252 201
2 84 22 25 50 247 85 105 94 45 168 358 423
3 70 28 25 51 262 67 69 315 66 265 188 260
4 83 19 14 39 229 210 68 83 179 174 115 210
5 507 235 33 43 196 114 32 56 371 101 263 204
6 864 166 58 75 237 80 59 57 375 149 426 463
7 141 137 113 85 434 188 71 63 289 690 398 220
8 103 41 76 102 381 75 109 46 274 538 778 176
9 109 35 92 92 277 43 98 33 163 212 345 122
10 101 13 54 115 251 42 58 31 4,260 300 392 229
11 105 22 13 29 129 40 149 33 2,990 646 354 389
12 104 24 51 52 104 37 74 48 111 391 847 332
13 113 46 54 79 301 48 36 50 555 204 1,240 83
14 121 36 80 101 198 31 82 329 328 200 864 96
15 234 37 17 77 167 53 135 173 844 144 420 79
16 129 26 17 95 118 34 136 151 830 239 794 126
17 71 26 14 197 278 51 111 102 400 299 554 93
18 73 17 41 173 273 39 132 66 1,610 311 507 77
19 114 24 19 186 158 128 150 47 981 365 319 71
20 199 30 98 163 191 158 284 61 2,780 221 280 88
21 63 30 46 109 332 59 223 127 1,170 389 276 96
22 56 39 175 106 168 81 147 707 2,770 286 248 101
23 155 25 178 207 221 59 137 984 1,220 268 295 141
24 61 20 125 291 346 165 107 464 432 234 252 99
25 46 27 77 137 143 92 70 262 276 152 156 221
26 57 21 47 122 196 97 45 155 187 504 105 87
27 72 25 200 92 156 60 71 96 179 546 152 79
28 62 17 156 313 307 63 63 62 189 528 202 146
29 96 4 145 223 327 41 46 107 156 362 128 247
30 79   75 241 120 37 310 135 123 147 165 76
31 30   94   65   211 183   221   92