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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 50136400 RIO ROSARIO NR HORMIGUEROS, PR


Hormigueros Municipio, Puerto Rico
Hydrologic Unit Code 21010003
Latitude  18°09'36.31", Longitude  67°05'08.75" NAD27
Drainage area 18.3  square miles
Gage datum 164.04 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 1985-10-01 -> 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 28 22 21 22 41 49 41 59 77 125 97 51
2 28 20 22 28 56 44 37 55 79 124 86 53
3 27 20 21 27 44 43 38 56 92 109 86 48
4 26 20 22 27 45 40 46 55 81 101 84 55
5 26 21 21 28 42 37 45 57 77 100 90 48
6 33 21 21 31 52 31 44 55 90 104 87 46
7 28 23 20 28 67 34 52 64 94 144 86 45
8 25 20 20 28 60 36 45 57 82 126 92 41
9 26 21 18 28 57 46 47 59 93 126 94 40
10 26 19 22 23 59 56 42 60 84 132 85 39
11 26 19 19 24 48 47 43 75 79 115 84 47
12 25 19 22 26 47 48 40 65 102 102 86 42
13 25 18 19 24 60 38 51 59 99 108 104 40
14 28 18 19 22 51 34 62 96 82 110 90 39
15 27 18 20 29 43 49 54 66 86 105 87 35
16 25 21 23 24 51 46 48 82 101 104 75 35
17 23 19 23 28 44 48 56 68 92 124 75 43
18 22 18 20 30 43 43 56 66 122 112 77 38
19 22 19 21 33 50 41 54 61 134 121 75 35
20 23 18 18 28 44 46 49 59 218 123 74 33
21 23 19 18 26 41 47 47 61 173 119 65 32
22 24 20 19 32 41 44 46 86 269 109 64 31
23 23 18 19 34 51 36 61 86 152 118 59 32
24 23 17 20 35 46 33 55 115 141 104 58 31
25 22 21 21 29 43 43 52 98 143 104 57 36
26 21 21 20 34 45 39 47 85 125 113 58 34
27 20 19 18 36 46 42 48 70 129 117 65 31
28 20 23 21 36 47 45 53 68 132 119 54 29
29 24 16 24 33 42 52 52 78 125 126 51 29
30 20   30 39 48 48 88 84 126 111 48 29
31 20   25   39   65 76   110   30