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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 50111500 RIO JACAGUAS AT JUANA DIAZ, PR


Juana Diaz Municipio, Puerto Rico
Hydrologic Unit Code 21010004
Latitude  18°03'15.47", Longitude  66°30'39.69" NAD27
Drainage area 51.5  square miles
Gage datum 131 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 1983-10-01 -> 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 22 15 8.1 9.1 21 39 22 45 43 94 91 59
2 23 13 8.5 8.4 29 41 22 32 46 98 98 69
3 22 12 8.4 12 23 47 22 26 58 114 123 59
4 19 11 8.8 11 49 45 25 22 62 114 106 51
5 21 15 9.9 9.4 32 70 21 22 66 115 174 46
6 100 13 8.8 14 50 45 30 25 89 207 131 47
7 20 13 8.9 13 67 66 27 29 91 220 116 52
8 19 13 9 11 56 56 26 27 90 162 117 46
9 19 12 10 10 52 46 25 22 58 147 122 38
10 20 12 8.4 12 60 44 24 22 76 191 104 36
11 21 12 8.6 15 51 38 20 22 66 262 101 71
12 21 11 7.9 15 32 34 28 22 85 215 111 57
13 20 14 7.9 22 85 31 26 23 177 136 211 41
14 19 13 7.9 15 57 27 23 84 105 141 181 39
15 19 11 8.2 18 44 28 31 27 132 149 112 36
16 20 10 8.1 18 48 31 38 28 222 173 141 37
17 19 10 8.3 28 92 29 25 26 93 204 113 34
18 16 9.8 7.6 32 109 27 19 26 215 164 120 31
19 16 9.5 7.9 19 60 28 19 23 217 139 104 30
20 17 10 11 24 54 33 24 22 351 137 116 27
21 17 9.9 11 26 56 36 24 31 165 155 95 25
22 15 11 12 18 60 44 23 66 387 116 85 27
23 14 9.8 9.3 24 75 39 23 174 138 137 86 25
24 14 11 8.2 38 90 39 20 151 163 119 80 26
25 14 11 8.1 27 71 37 17 83 126 130 78 30
26 14 12 7.7 39 106 31 14 93 113 121 80 26
27 14 9.1 15 26 75 26 26 53 99 144 175 24
28 14 8.4 10 23 88 22 26 51 84 132 90 30
29 17 11 8.3 41 56 23 21 64 79 119 73 29
30 17   16 27 51 21 33 66 87 121 71 22
31 15   11   41   30 54   115   23