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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 50047850 RIO DE BAYAMON NR BAYAMON, PR


Bayamon Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°20'03.40", Longitude  66°08'22.12" NAD27
Drainage area 41.8  square miles
Gage datum 98.0 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 1963-10-01 -> 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 35 26 40 21 31 20 20 41 26 22 42 65
2 27 21 18 22 46 25 37 40 25 22 49 69
3 30 19 17 22 42 27 25 55 38 31 36 60
4 27 33 20 27 36 42 28 31 33 26 47 52
5 57 52 33 22 30 26 22 27 56 62 62 70
6 52 75 30 28 42 24 26 37 101 157 60 88
7 34 30 29 25 62 24 24 27 78 162 94 50
8 28 24 23 23 64 27 24 28 35 131 149 50
9 29 24 30 22 77 31 31 30 29 165 103 51
10 30 18 22 19 61 21 74 54 225 45 70 146
11 40 17 17 18 36 18 31 29 60 64 47 122
12 32 17 22 22 33 23 19 26 52 59 96 67
13 32 16 28 27 35 23 20 28 51 45 158 35
14 32 18 35 32 53 24 36 80 34 53 86 33
15 58 18 21 28 36 24 31 32 77 45 55 39
16 77 18 18 23 39 36 51 43 88 75 81 34
17 43 42 17 49 53 35 37 35 48 72 75 31
18 29 22 16 34 71 21 48 35 245 47 76 27
19 29 19 21 31 43 36 41 32 97 37 54 24
20 40 20 35 56 50 26 54 36 119 42 52 26
21 31 21 21 31 49 19 53 37 63 63 63 24
22 33 22 29 33 40 18 51 121 123 52 81 28
23 37 16 44 51 50 18 42 143 51 39 69 49
24 29 16 29 38 38 42 34 90 43 31 57 39
25 26 20 27 33 29 25 26 52 40 39 45 35
26 29 22 24 26 26 28 23 36 29 44 46 41
27 26 23 31 27 62 25 22 46 38 54 75 30
28 29 24 34 38 92 19 28 79 33 74 44 45
29 24 19 42 29 52 21 30 34 37 55 35 73
30 30   31 40 29 21 78 57 25 36 55 44
31 40   23   23   37 56   40   38