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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 50057000 RIO GURABO AT GURABO, PR


Gurabo Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°15'30.56", Longitude  65°58'05.07" NAD27
Drainage area 60.2  square miles
Gage datum 150.0 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 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 72 56 54 48 112 114 170 112 95 147 169 151
2 66 50 36 46 98 163 167 123 94 164 180 200
3 57 47 34 46 70 145 131 161 131 204 184 212
4 58 45 34 41 77 122 105 106 228 166 187 140
5 85 48 44 38 100 136 179 87 366 153 251 111
6 108 61 52 46 118 113 132 86 526 418 285 164
7 74 61 39 30 79 114 115 71 201 417 295 269
8 58 45 41 81 94 88 108 94 197 228 355 285
9 57 40 45 39 96 91 107 77 141 429 368 196
10 60 41 41 35 106 135 148 187 518 249 245 394
11 60 42 29 78 106 100 165 94 178 238 239 210
12 60 38 48 42 86 110 91 113 158 187 337 144
13 64 42 36 46 137 113 124 115 302 178 330 104
14 83 40 29 79 123 96 116 194 133 282 208 102
15 104 47 29 44 181 147 122 205 166 207 234 88
16 80 68 30 48 98 168 108 149 309 282 175 96
17 62 58 29 225 202 189 99 130 264 176 247 81
18 59 42 29 73 316 121 148 111 653 180 221 79
19 52 37 27 54 124 160 206 101 455 142 150 71
20 68 43 30 59 189 135 162 100 786 123 129 80
21 60 40 26 79 314 143 119 258 288 179 143 67
22 59 39 52 84 137 173 137 293 328 298 179 73
23 52 34 48 93 169 113 134 348 197 226 163 77
24 48 32 35 70 130 99 94 350 145 227 295 82
25 52 52 33 48 121 76 79 169 146 200 228 123
26 54 44 38 54 158 93 76 132 122 304 139 85
27 51 40 35 47 177 104 80 240 131 287 434 94
28 46 40 36 58 195 75 85 146 139 256 171 83
29 54 41 66 113 112 111 73 158 175 198 144 98
30 49   51 74 171 130 237 232 144 186 171 85
31 52   59   125   100 286   157   99