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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 50093120 RIO GRANDE DE PATILLAS BLW LAGO PATILLAS, PR


Patillas Municipio, Puerto Rico
Hydrologic Unit Code 21010004
Latitude  18°00'59", Longitude  66°01'25" NAD27
Drainage area 25.67  square miles
Contributing drainage area 25.6  square miles
Gage datum 137.79 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 2005-10-01 -> 2022-09-30)

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 19 7 8.2 39 76 55 50 154 39 62 57 52
2 27 6.8 8.4 14 70 60 76 66 32 67 53 95
3 18 5.8 8.2 11 38 67 74 128 92 150 59 26
4 29 7.3 6 10 30 79 66 90 42 96 81 26
5 26 7.7 5.5 2.5 56 63 43 80 109 62 90 19
6 3.8 6.4 7.7 1.7 53 72 63 46 109 160 76 14
7 9.6 69 6.6 1.2 41 82 47 55 60 164 89 56
8 16 43 4 1.1 27 43 67 53 161 156 55 32
9 22 33 1.8 1 33 25 100 42 94 64 105 31
10 31 13 1.5 1 28 16 109 34 42 110 100 25
11 26 12 1.5 0.96 30 32 55 31 65 223 116 45
12 33 10 2.7 3.3 25 54 38 32 57 108 136 57
13 37 8.6 3.8 14 71 25 49 31 106 88 77 25
14 36 8.8 2.3 12 38 32 63 25 43 95 76 14
15 78 16 2.2 6.3 24 28 82 23 38 126 85 18
16 48 5.7 1.4 8.3 29 33 39 25 33 191 119 25
17 22 7.4 0.87 16 52 40 51 121 34 146 66 27
18 28 10 0.74 13 158 32 71 46 26 133 123 24
19 18 10 0.63 1.3 52 61 40 70 77 92 38 20
20 20 6.7 0.55 32 98 85 25 207 267 71 44 13
21 17 7.3 0.47 35 64 82 120 119 446 75 60 19
22 11 29 0.41 14 46 98 103 189 274 100 67 17
23 12 12 23 24 27 114 76 307 178 100 98 15
24 16 11 6.3 4.4 41 63 68 228 69 59 96 6
25 13 11 6.1 9.7 61 61 48 99 100 44 64 60
26 11 11 3.9 21 8.9 67 38 89 65 112 50 16
27 13 6.1 2 10 37 70 43 61 62 149 35 23
28 11 3.6 0.62 10 75 71 44 38 57 156 37 31
29 16 12 0.61 59 83 16 37 77 32 129 33 53
30 16   0.55 59 72 14 97 107 56 93 43 32
31 9.3   52   72   91 33   73   16