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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 50051800 RIO GRANDE DE LOIZA AT HWY 183 SAN LORENZO, PR


San Lorenzo Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°11'08.54", Longitude  65°57'41.21" NAD27
Drainage area 41.09  square miles
Gage datum 263.16 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 1989-10-01 -> 2020-09-30)

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 81 64 50 53 85 84 116 107 107 108 133 123
2 73 69 46 55 90 105 116 100 99 130 119 130
3 73 61 45 50 62 85 95 178 133 165 119 117
4 73 56 46 43 89 132 85 120 123 123 124 116
5 186 107 57 42 92 107 87 100 161 136 125 104
6 133 64 52 38 75 105 113 104 145 131 136 175
7 103 67 96 35 80 112 85 91 187 152 197 113
8 91 70 68 41 82 95 91 104 168 123 285 102
9 80 63 56 38 92 82 117 91 127 120 157 96
10 90 55 47 41 90 86 138 109 424 207 203 90
11 92 55 51 57 132 89 141 87 133 192 184 120
12 75 55 44 51 92 117 93 79 110 165 248 106
13 80 58 40 49 127 94 101 84 160 198 247 95
14 106 60 43 71 127 109 131 99 126 233 226 97
15 95 55 42 54 76 112 112 87 253 220 147 96
16 79 56 44 50 93 107 117 139 195 235 218 95
17 75 55 42 111 182 115 98 122 181 146 182 93
18 83 50 42 94 152 86 115 119 147 171 182 91
19 70 58 43 63 110 160 150 113 174 142 128 86
20 78 85 50 88 171 129 146 131 542 126 123 109
21 71 66 42 82 129 136 149 91 503 165 116 81
22 77 55 50 74 94 122 147 313 457 234 138 87
23 73 53 70 69 134 121 120 333 190 176 119 83
24 66 59 51 80 127 104 93 253 155 144 158 86
25 69 56 44 51 95 79 93 200 136 183 112 118
26 69 53 41 65 121 94 85 131 121 192 105 78
27 62 48 42 72 90 78 97 120 118 163 103 78
28 71 59 47 87 119 73 98 129 122 174 115 85
29 70 61 54 152 89 78 83 155 117 159 106 99
30 58   75 71 129 95 147 124 112 135 118 85
31 56   67   103   146 119   122   96