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USGS Daily Statistics for the Nation

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 -> 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 37 31 29 32 59 56 38 45 65 89 80 58
2 36 35 26 28 58 52 40 53 59 82 83 56
3 35 30 24 29 55 46 42 44 71 82 80 57
4 34 31 24 31 58 48 39 43 67 77 74 52
5 35 31 27 36 58 51 42 45 63 80 91 52
6 37 28 26 35 68 46 37 44 85 84 78 51
7 35 30 27 28 63 43 39 45 77 106 97 50
8 33 28 28 37 71 45 48 42 69 94 89 47
9 34 29 28 35 76 47 42 45 70 90 87 46
10 33 30 27 40 74 55 43 43 92 89 72 58
11 36 30 25 35 60 73 39 52 76 90 73 63
12 33 27 25 43 63 55 40 43 63 84 79 52
13 33 27 26 40 66 47 40 50 76 80 90 52
14 36 27 23 44 63 53 46 66 65 85 87 50
15 36 28 23 40 63 52 39 50 77 83 75 48
16 34 27 23 41 63 53 40 51 120 82 72 47
17 31 25 22 43 95 50 46 51 82 92 69 45
18 32 24 22 46 88 51 44 50 102 81 68 42
19 34 25 24 42 63 45 43 51 107 81 76 45
20 34 26 30 51 64 45 40 45 132 79 68 42
21 33 25 25 55 58 42 43 46 108 87 68 41
22 33 28 33 49 55 49 43 55 138 88 67 39
23 31 25 27 47 63 46 48 69 89 104 66 41
24 30 24 30 45 59 40 42 59 103 85 64 39
25 29 25 35 56 56 45 39 60 97 85 63 38
26 29 25 28 53 55 48 41 56 87 87 66 37
27 29 27 26 44 68 46 42 74 108 97 93 38
28 29 27 35 54 60 48 41 63 86 79 59 40
29 29 23 36 51 60 41 41 57 100 85 62 38
30 31   32 57 53 39 48 64 83 87 56 38
31 31   32   54   44 76   82   37