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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 50065500 RIO MAMEYES NR SABANA, PR


Rio Grande Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°19'43.73", Longitude  65°45'02.93" NAD27
Drainage area 6.88  square miles
Gage datum 275 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 57 48 49 37 95 57 46 47 55 57 68 61
2 51 40 31 41 66 78 61 60 45 58 60 80
3 51 45 31 36 66 57 44 57 66 51 66 66
4 43 52 34 38 57 53 47 45 64 59 78 73
5 62 52 44 48 49 55 61 42 71 63 103 81
6 63 57 40 35 58 47 57 53 70 92 78 67
7 57 45 53 37 61 51 57 54 70 83 105 87
8 43 39 39 45 80 53 56 45 57 63 104 78
9 45 41 43 37 66 48 65 42 51 101 108 55
10 50 39 32 34 87 51 43 51 90 65 97 75
11 65 35 39 41 75 55 44 58 51 68 107 72
12 52 37 40 53 65 60 44 41 48 57 107 61
13 49 37 40 49 76 51 50 62 58 56 101 55
14 74 37 39 50 76 42 65 74 51 55 77 64
15 82 40 34 46 63 53 51 67 91 71 87 61
16 61 45 38 61 56 51 45 52 82 52 69 75
17 60 41 42 104 69 56 50 71 56 46 86 59
18 55 35 37 48 73 47 50 48 140 42 83 53
19 48 51 30 41 50 58 49 49 62 48 57 50
20 55 51 35 40 72 51 52 62 114 52 57 53
21 49 45 27 47 67 49 41 58 94 81 73 50
22 55 40 39 53 58 48 45 123 81 63 97 68
23 59 32 45 98 73 53 43 81 49 56 62 51
24 47 35 40 54 53 44 52 89 49 55 64 53
25 52 45 43 53 51 39 49 59 57 54 65 47
26 53 42 31 36 55 48 46 51 48 71 73 49
27 40 47 34 70 54 39 43 69 47 64 97 48
28 52 37 55 68 60 38 43 57 50 65 64 61
29 48 43 70 56 68 35 51 51 54 62 57 66
30 52   60 77 97 42 96 44 55 58 64 55
31 55   40   76   63 40   82   53