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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 50071000 RIO FAJARDO NR FAJARDO, PR


Fajardo Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°17'56.22", Longitude  65°41'37.78" NAD27
Drainage area 14.9  square miles
Gage datum 136.0 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 1960-10-01 -> 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 56 44 38 33 79 75 47 46 64 62 88 69
2 51 37 25 40 74 96 61 53 58 66 96 102
3 48 44 27 37 57 61 45 69 69 71 92 96
4 43 43 25 34 68 72 49 42 97 84 109 78
5 58 50 44 43 36 84 62 39 114 80 132 99
6 67 48 32 42 43 53 60 44 103 122 92 81
7 57 43 36 29 66 69 62 42 83 132 127 88
8 45 31 40 58 80 53 46 36 82 87 138 102
9 45 37 37 39 83 58 61 35 71 130 177 80
10 51 33 28 34 93 60 44 65 109 92 163 140
11 52 33 45 60 72 70 41 54 66 102 143 96
12 53 29 42 46 68 80 45 38 77 74 177 78
13 45 30 37 49 91 51 53 49 102 96 160 67
14 66 34 30 38 110 38 69 64 70 115 109 78
15 72 41 27 42 82 51 56 59 120 115 119 76
16 57 36 39 55 91 58 50 50 187 93 100 71
17 48 36 42 89 115 61 54 66 74 71 114 60
18 45 30 25 46 112 49 59 43 221 75 100 63
19 46 35 23 36 96 58 60 41 104 77 81 53
20 52 32 25 43 101 58 76 61 137 65 71 75
21 47 33 25 59 119 59 45 51 84 95 91 61
22 50 29 34 40 70 70 47 140 77 88 122 73
23 48 24 36 76 92 54 46 92 64 123 83 64
24 42 26 27 51 76 41 52 99 56 100 105 81
25 52 31 44 61 72 47 39 60 60 83 112 63
26 47 28 32 34 90 53 46 53 76 122 102 58
27 38 37 27 52 86 49 41 71 62 103 107 69
28 52 35 36 61 94 49 37 51 64 89 96 82
29 42 31 88 50 82 59 42 68 59 81 66 90
30 40   55 81 118 61 64 77 65 71 76 67
31 43   38   81   53 67   115   65