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Streamflow Measurements for the Nation


USGS 02231250 LITTLE ST. MARYS RIVER NR HILLIARD, FLA.
Nassau County, Florida
Hydrologic Unit Code 03070204
Latitude  30°43'55", Longitude  81°53'35" NAD27
Drainage area 19.80  square miles
Output formats
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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
341987-03-30 -- ----YesMJSUSGS19713.020.081.00GoodClearNONE1Imported Channel 1CRANunspeunkno1971254520.44UNSPUNSPUNSPunknUNSPUNSPUNSP
331980-03-14 12:40ESTYesMSUSGS20013.07-0.020.60Good NONE1Imported Channel 1CRANunspeunkno2001154150.48UNSPUNSPUNSPunknUNSPUNSPUNSP
321979-09-13 14:25ESTYesCCUSGS86.612.340.001.00Fair NONE1Imported Channel 1BRUSunspeunkno86.61093330.26UNSPUNSPUNSPunknUNSPUNSPUNSP
311975-04-11 14:45ESTYesKBUSGS67114.310.050.90FairDebrisLightNONE1Imported Channel 1CRANunspeunkno6711446760.96UNSPUNSPUNSPunknUNSPUNSPUNSP
301973-06-14 11:30ESTYesDFUSGS12012.550.001.00Poor NONE1Imported Channel 1CRANunspeunkno1201404460.27UNSPUNSPUNSPunknUNSPUNSPUNSP
291971-05-21 11:45ESTYesDCCUSGS0.1610.640.000.50Unspecified NONE1Imported Channel 1WADEunspeunkno0.169.002.840.06UNSPUNSPUNSPunknUNSPUNSPUNSP
281971-02-08 14:45ESTYesDCCUSGS26813.140.090.80FairDebrisLightNONE1Imported Channel 1CRANunspeunkno2681375180.52UNSPUNSPUNSPunknUNSPUNSPUNSP
271970-01-07 15:20ESTYesDCCUSGS27113.39-0.021.00FairDebrisLightNONE1Imported Channel 1CRANunspeunkno2711435450.50UNSPUNSPUNSPunknUNSPUNSPUNSP
261967-08-14 12:05ESTYesDCCUSGS30513.59-0.041.20FairDebrisLightNONE1Imported Channel 1CRANunspeunkno3051425870.52UNSPUNSPUNSPunknUNSPUNSPUNSP
251967-06-26 11:35ESTYesDCCUSGS43.811.820.011.40FairDebrisModerateNONE1Imported Channel 1CRANunspeunkno43.81293250.13UNSPUNSPUNSPunknUNSPUNSPUNSP
241967-03-27 12:05ESTYesDCCUSGS1.4310.830.000.30PoorDebrisModerateNONE1Imported Channel 1WADEunspeunkno1.4316.08.220.00UNSPUNSPUNSPunknUNSPUNSPUNSP
231967-02-14 10:35ESTYesDCCUSGS31113.64-0.041.00FairDebrisLightNONE1Imported Channel 1CRANunspeunkno3111425620.55UNSPUNSPUNSPunknUNSPUNSPUNSP
221967-01-04 15:10ESTYesDLCUSGS28513.503.021.20Good NONE1Imported Channel 1CRANunspeunkno2851435580.51UNSPUNSPUNSPunknUNSPUNSPUNSP
211966-09-29 12:40ESTYesDLCUSGS91.212.240.031.30Poor NONE1Imported Channel 1CRANunspeunkno91.21343590.25UNSPUNSPUNSPunknUNSPUNSPUNSP
201966-08-24 10:35ESTYesPWPUSGS7.2611.08-0.010.80PoorDebrisModerateNONE1Imported Channel 1WADEunspeunkno7.26 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
191966-07-20 08:55ESTYesWLFUSGS23.411.50-0.011.10PoorDebrisHeavyNONE1Imported Channel 1WADEunspeunkno23.4 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
181966-06-15 11:15ESTYesDCCUSGS17.711.52-0.010.70PoorDebrisLightNONE1Imported Channel 1CRANunspeunkno17.71223070.06UNSPUNSPUNSPunknUNSPUNSPUNSP
171966-04-07 11:15ESTYesWLFUSGS26.311.52-0.011.40PoorClearNONE1Imported Channel 1WADEunspeunkno26.3 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
161966-02-16 12:00ESTYesLELUSGS16.711.42-0.011.40Poor NONE1Imported Channel 1WADEunspeunkno16.7 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
151966-01-05 12:30ESTYesLELUSGS9.7411.190.001.00FairDebrisModerateNONE1Imported Channel 1WADEunspeunkno9.74 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
141965-11-24 11:10ESTYesPEMUSGS10.011.200.001.20Fair NONE1Imported Channel 1WADEunspeunkno10.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
131965-10-01 11:50ESTYesLELUSGS17812.95-0.021.50Good NONE1Imported Channel 1CRANunspeunkno1781354330.41UNSPUNSPUNSPunknUNSPUNSPUNSP
121965-08-19 10:00ESTYesLELUSGS34.411.66-0.010.90FairClearNONE1Imported Channel 1CRANunspeunkno34.41002450.14UNSPUNSPUNSPunknUNSPUNSPUNSP
111965-07-01 11:45ESTYesLELUSGS12.111.26-0.011.30PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno12.165.041.10.29UNSPUNSPUNSPunknUNSPUNSPUNSP
101965-04-07 08:40ESTYesCJCUSGS7.3411.180.000.60Poor NONE1Imported Channel 1WADEunspeunkno7.34 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
91965-02-17 12:15ESTYesCJCUSGS64.812.17-0.010.90Fair NONE1Imported Channel 1CRANunspeunkno64.81343660.18UNSPUNSPUNSPunknUNSPUNSPUNSP
81965-01-27 09:00ESTYesWAUSGS9.1311.150.001.20PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno9.13 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
71965-01-05 16:00ESTYesCJCUSGS14.711.510.000.70Poor NONE1Imported Channel 1WADEunspeunkno14.714520.90.70UNSPUNSPUNSPunknUNSPUNSPUNSP
61964-09-12 15:15ESTYesCJCUSGS55414.310.061.10Fair NONE1Imported Channel 1CRANunspeunkno5541446670.76UNSPUNSPUNSPunknUNSPUNSPUNSP
51964-08-31 14:25ESTYesCJCUSGS17112.90-0.041.20Fair NONE1Imported Channel 1CRANunspeunkno1711404820.35UNSPUNSPUNSPunknUNSPUNSPUNSP
41964-08-29 09:25ESTYesCJCUSGS81814.650.002.00Fair NONE1Imported Channel 1CRANunspeunkno8181447141.08UNSPUNSPUNSPunknUNSPUNSPUNSP
31963-07-23 07:55ESTYesCJCUSGS14212.74-0.011.00Fair NONE1Imported Channel 1CRANunspeunkno1421404490.32UNSPUNSPUNSPunknUNSPUNSPUNSP
21963-02-04 15:00ESTYesCJCUSGS18812.940.031.20Fair NONE1Imported Channel 1CRANunspeunkno1881404730.40UNSPUNSPUNSPunknUNSPUNSPUNSP
11962-08-02 06:45ESTYesCJCUSGS56.511.980.001.20Fair NONE1Imported Channel 1CRANunspeunkno56.51283350.17UNSPUNSPUNSPunknUNSPUNSPUNSP