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Streamflow Measurements for the Nation


USGS 08170000 San Marcos Spgs at San Marcos, TX


Hays County, Texas
Hydrologic Unit Code 12100203
Latitude  29°53'20", Longitude  97°56'02" NAD27
Gage datum 557.67 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
 
4981997-09-15 11:00CDTYesJRGUSGS2275.56 Good NONE
4971997-08-20 08:43CDTYesJRGUSGS2645.74 Good NONE
4961997-07-21 10:52CDTYesJRGUSGS3035.940.011.70Good NONE
4951997-06-27 10:47CDTYesJRGUSGS3346.19 Good NONE
4941997-06-13 10:33CDTYesGRGUSGS2946.070.021.30GoodClearNONE
4931997-05-27 12:28CDTYesJRGUSGS2005.570.011.10Good NONE
4921997-04-29 09:40CDTYesJRGUSGS1745.34 Good NONE
4911997-03-31 10:12CSTYesJRGUSGS1175.06 Good NONE
4901997-03-05 08:18CSTYesJRGUSGS1084.810.021.00Good NONE
4891997-02-04 10:21CSTYesJRGUSGS93.24.41 Good NONE
4881997-01-09 08:20CSTYesJRGUSGS1034.43 Good NONE
4871996-11-20 08:32CSTYesJRGUSGS86.24.69 Good NONE
4861996-10-03 08:13CDTYesJRGUSGS1085.02 Good NONE
4851996-08-13 08:21CDTYesJRGUSGS77.84.30-0.010.80Good NONE
4841996-07-16 10:06CDTYesCRM/JRGUSGS83.24.38 GoodClearNONE
4831996-06-19 08:34CDTYesJRGUSGS94.24.460.011.20Good NONE
4821996-05-23 10:49CDTYesJRGUSGS98.64.62 GoodClearNONE
4811996-05-22 13:53CDTYesJRGUSGS99.34.65 GoodClearNONE
4801996-04-23 16:42CDTYesJRGUSGS98.74.78 GoodClearNONE
4791996-04-08 10:45CDTYesJRGUSGS1034.880.011.10Good NONE
4781996-03-04 16:25CSTYesJRGUSGS1074.98 Fair NONE
4771996-01-04 08:38CSTYesJATUSGS1254.97 Fair NONE
4761995-10-24 15:16CDTYesJRGUSGS1395.18 Good NONE
4751995-08-25 08:51CDTYesJRGUSGS1625.27 GoodClearNONE
4741995-06-28 08:37CDTYesJRGUSGS2025.50 Good NONE
4731995-04-27 17:40CDTYesJRGUSGS1575.40 Good NONE
4721995-03-08 07:20CSTYesJMBUSGS1485.32 Good NONE
4711995-01-04 08:08CSTYesJMBUSGS1675.20 GoodDebrisLightNONE
4701994-11-01 08:30CSTYesJMBUSGS1395.10 GoodClearNONE
4691994-09-08 07:33CDTYesJMBUSGS1164.760.000.80GoodDebrisLightNONE
4681994-09-08 07:32CDTYesJMBUSGS1144.760.000.80GoodDebrisLightNONE
4671994-08-18 11:56CDTYesJMBUSGS1194.79 Good NONE
4661994-08-18 11:10CDTYesJMBUSGS1224.79 Good NONE
4651994-08-16 13:32CDTYesJMB/RJFUSGS1214.79 Good NONE
4641994-08-16 12:11CDTYesJMB/RJFUSGS1204.79 Good NONE
4631994-08-16 11:28CDTYesJMB/RJFUSGS1164.780.023.50Good NONE
4621994-08-09 09:56CDTYesJMBUSGS132 -0.081.00FairClearNONE
4611994-07-29 09:11CDTYesJMBUSGS1184.740.001.00GoodDebrisLightNONE
4601994-07-13 09:30CDTYesJMBUSGS1204.790.001.00GoodDebrisLightNONE
4591994-05-16 11:36CDTYesJMBUSGS1424.97-0.011.00GoodDebrisLightNONE
4581994-04-15 10:27CDTYesJATUSGS1345.04 GoodClearNONE
4571994-03-30 08:42CSTYesJMBUSGS1315.020.001.00GoodClearNONE
4561994-01-26 09:53CSTYesJMBUSGS127100.120.001.00GoodClearNONE
4551993-12-02 07:30CSTYesJMBUSGS1485.080.001.00GoodClearNONE
4541993-10-05 11:07CDTYesJMBUSGS1575.070.001.00GoodClearNONE
4531993-10-05 07:40CDTYesJMBUSGS1615.070.001.00GoodClearNONE
4521993-08-03 09:55CDTYesJMBUSGS19198.000.001.00GoodClearNONE
4511993-06-08 10:30CDTYesJMBUSGS20297.240.001.00GoodClearNONE
4501993-04-08 12:05CDTYesJMBUSGS20198.310.011.00FairClearNONE
4491993-02-02 10:00CSTYesJMB/ALFUSGS19898.540.001.00FairClearNONE
4481992-12-16 12:40CSTYesJOP/ALFUSGS21778.100.011.00FairClearNONE
4471992-12-16 09:21CSTYesJOP/ALFUSGS18978.080.063.00PoorClearNONE
4461992-10-14 10:42CDTYesALFUSGS23996.230.001.00FairClearNONE
4451992-08-26 10:20CDTYesAFUSGS28393.44 FairClearNONE
4441992-07-07 08:53CDTYesAFUSGS39888.88 Fair NONE
4431992-05-11 13:35CDTYesAF /RPUSGS39188.57 Fair NONE
4421992-04-10 10:10CDTYesMMMUSGS42585.68 Fair NONE
4411992-04-10 08:27CDTYesMMMUSGS44585.68 Fair NONE
4401992-04-03 07:53CSTYesMMMUSGS46185.13 FairClearNONE
4391991-11-13 12:35CSTYesMMM/LLTUSGS135100.510.001.00Fair NONE
4381991-09-27 09:44CDTYesMMM/LTUSGS167100.160.001.00Poor NONE
4371991-08-07 10:47CDTYesMMM/RBSUSGS19699.650.001.00Fair NONE
4361991-06-13 09:56CDTYesMMMUSGS23098.490.001.00Fair NONE
4351991-05-01 09:30CDTYesMMMUSGS21498.640.001.00Fair NONE
4341991-03-13 09:07CSTYesMMMUSGS19199.800.001.00Fair NONE
4331991-02-15 11:21CSTYesMMMUSGS19199.600.001.00Fair NONE
4321991-02-01 12:39CSTYesMMMUSGS182100.030.001.00Fair NONE
4311991-01-24 09:35CSTYesMMMUSGS183100.080.001.00Fair NONE
4301990-12-05 10:30CSTYesMMMUSGS117101.180.001.00Fair NONE
4291990-11-15 09:03CSTYesMMM/MWSUSGS120101.100.001.00Fair NONE
4281990-09-27 08:45CDTYesCERUSGS128101.150.001.00Poor NONE
4271990-08-20 10:45CDTYesMMMUSGS1260.880.001.00Fair NONE
4261990-07-02 09:45CDTYesMMMUSGS1131.230.001.00Unspecified NONE
4251990-05-14 09:30CDTYesMMMUSGS1300.800.001.00Fair NONE
4241990-03-26 09:55CSTYesMMMUSGS99.91.820.001.00Fair NONE
4231990-02-05 12:22CSTYesMMMUSGS84.02.000.001.00Good NONE
4221989-12-14 15:38CSTYesMMMUSGS83.31.940.001.00Fair NONE
4211989-10-03 13:00CDTYesJKVUSGS81.82.030.001.00GoodClearNONE
4201989-08-14 13:46CDTYesJKVUSGS1061.68 GoodClearNONE
4191989-06-27 12:44CDTYesJKVUSGS1131.430.000.50Good NONE
4181989-05-10 10:52CDTYesMMMUSGS1061.400.001.00FairDebrisModerateNONE
4171989-03-21 12:47CSTYesJKVUSGS1171.45 FairClearNONE
4161989-01-31 12:31CSTYesJKVUSGS1111.290.001.00GoodClearNONE
4151988-12-13 10:25CSTYesJKVUSGS1071.310.001.00FairClearNONE
4141988-10-24 12:44CDTYesJKVUSGS1172.290.001.00FairClearNONE
4131988-09-12 10:13CDTYesJKVUSGS1182.410.001.00GoodClearNONE
4121988-07-19 11:56CDTYesJKVUSGS1332.62-0.011.00GoodClearNONE
4111988-06-06 13:15CDTYesJKVUSGS1602.820.001.00GoodClearNONE
4101988-04-12 13:12CDTYesJKVUSGS1532.630.001.00FairDebrisModerateNONE
4091988-02-23 13:25CSTYesJKVUSGS1632.800.001.00FairDebrisModerateNONE
4081988-01-11 08:45CSTYesJKVUSGS1772.94 FairDebrisModerateNONE
4071987-11-17 07:28CSTYesJKVUSGS1963.150.001.00GoodDebrisLightNONE
4061987-10-29 10:20CSTYesDLPUSGS1983.310.001.00GoodDebrisLightNONE
4051987-09-11 12:21CDTYesDLPUSGS2853.880.001.00Fair NONE
4041987-07-24 -- ----YesDLPUSGS3504.230.001.00Fair NONE
4031987-06-23 -- ----YesJDG/SMJUSGS3634.660.001.00Fair NONE
4021987-04-23 -- ----YesDLP/WERUSGS2133.69 FairClearNONE
4011987-04-16 -- ----YesDLPUSGS2203.700.001.00FairClearNONE
4001987-03-06 -- ----YesWERUSGS2663.820.001.00Good NONE
3991987-03-03 -- ----YesDLPUSGS2383.850.001.00Fair NONE
3981987-01-08 -- ----YesDLPUSGS2643.870.001.00FairDebrisLightNONE
3971986-11-19 12:02CSTYesDLPUSGS1803.160.001.00Fair NONE
3961986-10-02 -- ----YesDLPUSGS1823.060.001.00FairClearNONE
3951986-08-11 -- ----YesMMMUSGS2103.29-0.021.00FairClearNONE
3941986-06-25 10:06CDTYesKCGUSGS2543.59-0.021.50Fair NONE
3931986-04-28 15:16CDTYesKCGUSGS1592.94-0.021.20Fair NONE
3921986-03-03 15:12CSTYesKCGUSGS1993.15 Poor NONE
3911986-01-15 14:10CSTYesKCGUSGS2223.29-0.011.40FairClearNONE
3901985-11-21 16:11CSTYesKCGUSGS1582.94 Fair NONE
3891985-10-18 10:11CDTYesKCGUSGS1603.05 Fair NONE
3881985-08-28 14:26CDTYesKCGUSGS1963.44 Fair NONE
3871985-07-11 14:19CDTYesKCGUSGS2363.60 Fair NONE
3861985-05-30 09:45CDTYesKCGUSGS1462.87 Fair NONE
3851985-04-17 09:31CSTYesKCGUSGS1733.03 Fair NONE
3841985-02-20 14:02CSTYesKCGUSGS1542.67 Good NONE
3831985-01-17 09:55CSTYeskcgUSGS1472.710.011.50Fair NONE
3821984-12-07 10:53CSTYesKCGUSGS1032.16 FairClearNONE
3811984-10-12 13:28CDTYesKCGUSGS81.71.96-0.011.70FairClearNONE
3801984-08-24 10:33CDTYesKCGUSGS75.81.920.051.20FairClearNONE
3791984-07-12 15:50CDTYesKCGUSGS83.42.07 Fair NONE
3781984-05-30 16:03CDTYesKCGUSGS98.82.18-0.032.20Poor NONE
3771984-04-11 14:26CSTYesKCGUSGS1032.18-0.012.30FairClearNONE
3761984-02-29 10:27CSTYesKCGUSGS1082.14-0.022.00FairClearNONE
3751984-01-06 14:19CSTYesKCGUSGS1302.310.011.70Fair NONE
3741983-11-29 14:31CSTYesKCGUSGS1282.40 FairClearNONE
3731983-10-05 10:03CDTYesKCGUSGS1382.56-0.012.20FairClearNONE
3721983-08-16 12:50CDTYesKCGUSGS1592.72 Fair NONE
3711983-07-07 14:54CDTYesKCGUSGS1662.75 GoodClearNONE
3701983-05-17 10:34CDTYesKCGUSGS1532.75-0.030.70FairClearNONE
3691983-03-29 10:32CSTYesKCGUSGS1672.64-0.010.80Good NONE
3681983-02-16 11:40CSTYesMMUSGS1242.36 Good NONE
3671983-01-03 15:10CSTYesMMMUSGS1212.27 Unspecified NONE