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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 50138000 RIO GUANAJIBO NR HORMIGUEROS, PR


Hormigueros Municipio, Puerto Rico
Hydrologic Unit Code 21010003
Latitude  18°08'33.65", Longitude  67°08'55.50" NAD27
Drainage area 120  square miles
Gage datum 13.1 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 1972-10-01 -> 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 89 61 52 65 112 103 98 179 774 405 446 200
2 82 54 49 65 111 111 88 153 332 461 420 189
3 79 52 54 83 123 112 91 154 481 399 484 183
4 73 50 48 88 102 105 99 183 310 394 522 196
5 72 57 53 82 103 111 120 180 291 409 508 196
6 95 50 52 92 136 87 106 157 300 472 519 182
7 88 50 48 85 372 78 103 160 381 506 483 174
8 77 46 55 86 220 76 107 181 329 728 483 164
9 72 53 49 95 180 88 95 150 332 548 428 135
10 72 55 45 77 163 108 89 155 355 507 389 134
11 74 50 55 80 179 148 96 178 350 546 406 184
12 75 51 52 78 122 249 108 173 320 531 420 165
13 71 50 46 65 178 108 120 173 530 462 472 139
14 72 52 46 59 221 88 121 285 421 509 505 126
15 69 66 47 64 148 124 116 276 341 509 390 120
16 68 61 54 65 152 109 103 247 1,050 421 368 116
17 62 54 54 89 171 103 132 268 431 451 364 126
18 59 49 43 99 208 99 147 240 452 555 406 129
19 56 47 43 85 238 98 153 232 1,560 486 350 104
20 57 53 44 92 218 97 164 227 928 464 332 105
21 57 56 42 102 225 97 140 214 806 489 288 101
22 59 52 42 81 184 102 133 203 912 436 267 99
23 59 48 48 91 203 94 143 286 610 407 242 100
24 59 48 48 124 209 85 147 317 504 472 242 91
25 53 48 58 92 156 94 136 528 457 444 223 96
26 54 57 54 101 130 99 120 296 461 558 215 110
27 51 51 50 91 192 95 114 261 488 603 228 99
28 49 50 72 95 299 95 110 265 512 607 296 92
29 59 44 76 105 174 98 113 222 472 548 208 86
30 55   84 114 138 107 233 232 413 511 206 94
31 53   85   117   264 443   565   97