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Streamflow Measurements for the Nation


USGS 50049000 RIO PIEDRAS AT RIO PIEDRAS, PR


San Juan Municipio, Puerto Rico
Hydrologic Unit Code 21010005
Latitude  18°23'48", Longitude  66°03'24" NAD27
Drainage area 12.5  square miles
Gage datum 164.1 feet above NGVD29
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
1851993-10-04 -- ----YesPGUSGS8.261.810.000.50Good NONE
1841993-09-03 -- ----YesPGUSGS9.471.840.000.50Good NONE
1831993-07-20 -- ----YesPGUSGS10.31.890.000.50Good NONE
1821993-06-25 -- ----YesPGUSGS10.21.860.000.50Fair NONE
1811993-05-10 -- ----YesPGUSGS13.21.960.000.50Good NONE
1801993-04-27 -- ----YesPGUSGS9.721.84-0.010.50Good NONE
1791993-03-12 -- ----YesPGUSGS9.881.880.010.50Good NONE
1781993-02-18 -- ----YesPGUSGS11.61.930.000.50Good NONE
1771993-01-15 07:36ASTYesPGUSGS19.42.05-0.010.60Good NONE
1761992-12-11 -- ----YesPGUSGS11.61.94-0.010.60Good NONE
1751992-11-16 -- ----YesPGUSGS30.51.89-0.140.40Fair NONE
1741992-10-13 -- ----YesPGUSGS6.471.700.000.50Fair NONE
1731992-09-18 -- ----YesPGUSGS8.401.81-0.020.60Good NONE
1721992-08-27 -- ----YesPGUSGS8.551.81-0.020.60Good NONE
1711992-07-09 -- ----YesJATUSGS18.81.76-0.020.50Fair NONE
1701992-06-19 -- ----YesJATUSGS9.151.640.000.60Fair NONE
1691992-05-29 -- ----YesJATUSGS18.01.840.000.50Good NONE
1681992-01-03 -- ----YesJAT/PJGUSGS6.511.70-0.010.60Fair NONE
1671991-11-05 -- ----YesJAT/PJGUSGS10.31.770.000.40Unspecified NONE
1661991-09-12 -- ----YesPGUSGS7.071.740.000.60Fair NONE
1651991-08-16 -- ----YesAF /PGUSGS6.721.720.000.30Fair NONE
1641991-07-26 -- ----YesEMUSGS16.31.760.000.30Fair NONE
1631991-05-22 -- ----YesPGUSGS12.21.830.000.60Fair NONE
1621991-04-25 -- ----YesFH /PGUSGS11.61.740.000.60Fair NONE
1611991-03-20 -- ----YesPGUSGS10.71.810.000.50Fair NONE
1601991-02-14 -- ----YesEM /JRUSGS13.11.840.020.80Fair NONE
1591991-01-24 -- ----YesEM /PGUSGS12.41.910.000.80Fair NONE
1581990-12-26 -- ----YesEM /PGUSGS14.01.910.000.60Fair NONE
1571990-11-16 -- ----YesemUSGS12.01.880.000.50Fair NONE
1561990-10-05 -- ----YesEMUSGS33.02.040.080.50Good NONE
1551990-09-21 -- ----YesEMUSGS9.881.800.000.50Good NONE
1541990-08-27 -- ----YesEMUSGS9.151.800.000.50Fair NONE
1531990-07-11 -- ----YesEM /JRSUSGS8.821.790.000.60Fair NONE
1521990-06-12 -- ----YesMTUSGS9.671.740.000.50Fair NONE
1511990-05-11 -- ----YesEMTUSGS16.31.90-0.020.50Fair NONE
1501990-04-18 -- ----YesPAT/ MTUSGS14.01.500.000.50Unspecified NONE
1491990-04-04 -- ----YesEMT/WRUSGS9.481.580.000.90Fair NONE
1481990-03-09 10:59ASTYesEMTUSGS97.72.26-0.170.50Good NONE
1471990-02-02 08:15ASTYesEMTUSGS10.51.700.000.50Fair NONE
1461990-01-05 10:54ASTYesEMTUSGS19.11.790.000.50Fair NONE
1451989-12-14 09:00ASTYesEMTUSGS16.81.760.000.70Good NONE
1441989-12-07 08:05ASTYesCFSUSGS12.41.780.010.50Fair NONE
1431989-11-20 09:16ASTYesEMTUSGS17.71.800.000.40Fair NONE
1421989-10-19 -- ----YesCFAUSGS19.31.750.030.50Unspecified NONE
1411989-09-28 -- ----YesCFA/AVUSGS31.62.17-0.020.80Fair NONE
1401989-09-01 -- ----YesAVUSGS16.21.79-0.010.60Fair NONE
1391989-08-17 -- ----YesAVUSGS1272.470.030.60Fair NONE
1381989-07-18 -- ----YesAVUSGS14.11.880.000.50Poor NONE
1371989-06-27 -- ----YesAVUSGS8.981.500.000.50Fair NONE
1361989-06-14 -- ----YesAVUSGS13.91.400.000.90Fair NONE
1351989-05-16 -- ----YesCFAUSGS7.830.950.000.50Fair NONE
1341989-04-17 -- ----YesAVUSGS9.010.970.000.80Fair NONE
1331989-03-15 15:25ASTYesAVUSGS14.01.090.000.60Good NONE
1321989-02-16 09:46ASTYesCFA/AVUSGS29.31.230.000.60Fair NONE
1311989-01-24 09:54ASTYesCFA/AVUSGS11.21.100.000.80Fair NONE
1301988-12-14 10:50ASTYesCFA/AVUSGS13.01.16-0.010.60FairDebrisLightNONE
1291988-11-21 10:45ASTYesCFA/AVUSGS45.31.250.020.80Good NONE
1281988-10-19 11:00ASTYesCFA/AVUSGS17.31.120.000.70Fair NONE
1271988-09-22 10:04ASTYesCFA/AVUSGS19.51.110.000.70Fair NONE
1261988-09-09 -- ----YesEMT/METUSGS2252.090.090.50Fair NONE
1251988-09-09 -- ----YesEMT/METUSGS1721.81-0.310.70Fair NONE
1241988-08-24 15:55ASTYesGA /RTRUSGS724015.50-0.780.50Poor NONE
1231988-08-24 13:40ASTYesGA /RTRUSGS7984.224.121.20Poor NONE
1221988-08-19 10:30ASTYesCFA/AVUSGS12.40.970.000.70Fair NONE
1211988-07-18 10:15ASTYesCFA/AVUSGS17.41.000.000.60Fair NONE
1201988-05-26 10:10ASTYesCFA/AVUSGS13.01.040.000.60Fair NONE
1191988-04-15 09:35ASTYesJRLUSGS1391.61-0.140.80Fair NONE
1181988-03-16 -- ----YesJRS/AGFUSGS13.40.990.000.70Unspecified NONE
1171988-02-05 13:34ASTYesJRSUSGS33.51.120.000.60Fair NONE
1161988-01-12 11:58ASTYesJMAUSGS19.21.07 Poor NONE
1151987-12-11 15:05ASTYesJMAUSGS22.41.100.000.50Fair NONE
1141987-11-10 15:00ASTYesJRSUSGS11.71.020.000.40Poor NONE