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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 50055750 RIO GURABO BLW EL MANGO, PR


Juncos Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°14'02.95", Longitude  65°53'07.19" NAD27
Drainage area 22.3  square miles
Gage datum 230.00 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 -> 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 27 21 14 17 59 44 44 56 33 48 125 119
2 20 23 12 15 44 83 73 39 34 65 63 80
3 21 16 11 18 29 52 43 55 43 82 52 78
4 22 25 12 10 26 33 23 37 58 60 48 55
5 38 30 14 17 22 54 34 35 64 50 92 33
6 59 43 19 15 39 35 30 25 110 51 79 38
7 42 32 19 11 31 32 36 23 71 41 137 36
8 25 22 16 19 33 25 77 28 80 34 201 31
9 24 23 16 19 35 28 60 25 57 52 120 25
10 32 16 12 13 40 58 68 31 147 112 152 28
11 28 17 10 51 21 29 77 24 40 70 141 41
12 29 17 14 20 21 45 47 18 30 75 147 34
13 25 17 12 22 38 35 76 27 41 90 118 30
14 76 17 11 22 25 28 50 94 43 89 78 42
15 41 18 10 21 27 38 55 38 106 106 91 36
16 30 17 9.2 36 25 41 41 40 107 125 113 41
17 24 23 9.3 113 56 38 31 53 101 64 98 34
18 20 15 9.7 34 38 26 33 44 164 49 135 35
19 22 17 9.9 22 31 61 40 33 114 43 65 42
20 33 27 10 22 36 40 38 37 341 41 54 36
21 22 21 10 33 44 30 30 42 202 98 50 28
22 22 19 22 48 43 34 40 125 166 66 63 30
23 23 13 22 42 70 58 48 77 66 65 55 32
24 21 14 15 28 48 39 40 85 37 60 42 27
25 26 48 14 18 39 29 29 57 39 77 41 31
26 19 20 13 27 43 41 30 48 44 103 44 29
27 18 15 12 28 23 59 30 40 36 90 38 22
28 23 20 15 46 39 22 27 37 44 124 58 37
29 26 17 17 53 31 25 26 60 50 83 36 40
30 16   18 33 103 34 136 32 66 78 61 38
31 15   16   52   48 27   80   39