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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 50083500 RIO GUAYANES NR YABUCOA, PR


Yabucoa Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°03'32", Longitude  65°54'04" NAD27
Drainage area 16.4  square miles
Gage datum 50.0 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 1968-10-01 -> 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 50 36 31 42 81 56 83 82 80 70 88 61
2 46 33 28 27 59 105 100 75 66 86 92 80
3 45 34 27 35 49 62 86 119 86 131 131 63
4 48 35 32 29 55 88 63 68 84 89 105 58
5 48 35 49 27 58 77 63 57 132 243 123 57
6 49 61 32 24 55 68 84 71 97 305 91 102
7 52 63 31 23 39 70 69 67 114 343 135 69
8 48 47 36 40 64 48 80 69 101 134 152 69
9 46 41 33 25 63 47 87 80 70 272 247 73
10 47 37 29 30 56 78 83 70 62 158 121 153
11 57 35 28 38 64 67 53 80 53 137 153 87
12 50 33 28 32 61 69 53 85 89 110 154 106
13 52 35 27 32 96 54 71 62 120 140 119 77
14 50 42 26 84 61 43 62 84 70 89 128 66
15 56 35 26 47 83 57 58 57 111 121 128 60
16 47 37 26 41 52 72 65 66 111 129 117 61
17 45 39 27 67 137 93 64 100 96 101 87 68
18 52 34 28 50 106 48 71 82 157 102 121 56
19 38 36 26 51 75 85 87 59 125 86 72 51
20 44 34 25 50 158 71 88 104 197 66 72 52
21 42 36 24 40 301 75 83 78 185 74 93 48
22 43 31 27 58 91 74 78 178 138 94 201 48
23 48 29 47 60 94 86 77 126 110 98 105 59
24 39 29 29 54 74 78 59 177 84 81 87 65
25 42 29 30 29 76 50 56 102 77 75 76 90
26 37 29 27 36 58 65 51 84 77 127 66 49
27 35 28 25 46 50 63 70 165 69 125 61 53
28 36 28 26 49 80 45 68 72 79 122 74 51
29 40 38 44 80 70 67 66 96 69 114 68 50
30 34   54 65 72 72 124 68 90 87 64 53
31 35   54   66   109 58   76   49