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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 50064200 RIO GRANDE NR EL VERDE, PR


Rio Grande Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°20'43.47", Longitude  65°50'31.14" NAD27
Drainage area 7.31  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 1966-10-01 -> 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 44 51 43 23 60 21 32 34 29 34 48 45
2 33 34 21 26 40 38 28 55 38 34 51 61
3 39 32 20 35 26 28 30 42 59 34 43 48
4 31 33 23 26 39 24 26 30 65 41 47 50
5 40 40 36 31 39 34 38 36 69 55 45 65
6 60 41 41 19 30 23 25 34 58 90 40 54
7 49 34 41 22 38 23 24 42 48 84 67 66
8 36 25 27 29 61 23 31 31 42 65 76 52
9 35 33 29 23 42 27 37 28 34 98 135 55
10 34 25 21 23 57 31 33 41 46 52 68 67
11 50 27 16 39 72 20 28 53 33 60 59 62
12 39 21 21 30 60 40 27 34 38 41 95 56
13 35 24 23 30 45 32 37 37 48 37 81 63
14 53 25 22 31 40 30 44 42 39 42 56 61
15 83 41 20 27 39 24 68 45 142 38 53 56
16 69 29 17 42 31 31 34 38 72 49 47 51
17 36 28 16 59 50 36 34 47 47 31 75 44
18 38 22 22 26 59 22 46 40 65 24 65 39
19 42 30 19 24 36 43 54 32 53 31 47 36
20 42 38 23 23 54 37 46 40 126 34 48 41
21 32 42 20 31 104 31 40 45 87 50 50 35
22 30 30 32 48 49 28 43 103 70 49 110 38
23 32 22 31 67 52 26 33 87 35 66 68 48
24 34 20 24 47 26 27 34 62 35 53 72 44
25 44 26 26 29 43 22 26 46 28 40 59 43
26 47 37 23 23 30 25 30 35 32 71 57 38
27 36 29 22 27 42 31 35 42 34 41 68 48
28 41 20 38 24 45 21 31 34 34 48 41 62
29 43 34 49 27 33 20 33 42 31 37 56 47
30 39   41 42 58 34 63 53 29 41 61 40
31 41   26   31   34 36   55   41