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USGS Surface-Water 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 50028000 RIO TANAMA NR UTUADO, PR


Utuado Municipio, Puerto Rico
Hydrologic Unit Code 21010002
Latitude  18°18'02.61", Longitude  66°46'58.85" NAD27
Drainage area 18.0  square miles
Gage datum 948 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 1959-10-01 -> 2024-09-30)

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 37 31 29 32 60 56 37 45 64 89 80 58
2 36 35 26 28 59 50 39 53 59 82 83 56
3 35 30 24 29 54 45 42 43 72 82 80 57
4 34 31 24 31 58 47 39 42 67 77 74 52
5 35 31 27 37 57 51 41 45 62 78 91 52
6 37 28 26 36 63 46 37 43 85 80 78 51
7 35 30 27 28 56 43 39 44 74 105 97 50
8 33 28 28 34 67 45 48 41 68 94 89 47
9 34 29 28 35 74 47 42 45 68 90 87 46
10 33 30 26 41 71 55 42 43 88 89 72 58
11 36 30 25 35 59 73 38 52 75 90 73 63
12 33 27 25 42 62 55 39 43 62 84 79 52
13 33 27 26 40 62 47 40 50 74 80 90 52
14 36 27 23 44 60 50 46 52 64 85 87 50
15 36 28 23 40 61 50 39 47 77 83 75 48
16 34 27 23 39 60 48 40 50 120 82 72 47
17 31 25 22 41 89 49 46 50 82 92 69 45
18 32 24 22 46 85 49 44 49 102 81 68 42
19 34 25 24 42 61 45 43 50 104 81 76 45
20 34 26 29 51 63 44 40 45 131 79 68 42
21 33 25 25 56 57 41 43 46 105 87 68 41
22 33 28 33 49 55 46 42 55 138 88 67 39
23 31 25 27 45 63 44 47 69 89 104 66 41
24 30 24 30 41 58 39 42 60 102 85 64 39
25 29 25 35 55 54 44 39 60 95 85 63 38
26 29 25 28 51 54 48 41 56 87 87 66 37
27 29 27 26 43 68 46 42 70 108 97 93 38
28 29 27 35 55 58 47 41 62 86 79 59 40
29 29 23 36 51 59 41 40 57 100 85 62 38
30 31   32 57 53 39 47 64 81 87 56 38
31 31   32   54   42 77   82   37