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Streamflow Measurements for the Nation


USGS 01306405 LAKE RONKONKOMA AT LAKE RONKONKOMA NY


Suffolk County, New York
Hydrologic Unit Code 02030202
Latitude  40°49'57", Longitude  73°07'34" NAD27
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)
1031993-07-22 11:10ESTYeskmUSGS0.71 GoodClearunkn1Imported Channel 1WADEunspeunkno0.713.900.800.89UNSPUNSPUNSPunknUNSPUNSPUNSP
1021992-07-22 -- ----YesrwUSGS0.71 GoodClearunkn1Imported Channel 1WADEunspeunkno0.712.800.620.87UNSPUNSPUNSPunknUNSPUNSPUNSP
1011992-05-13 -- ----YescsUSGS0.75 PoorClearunkn1Imported Channel 1WADEunspeunkno0.759.403.990.19UNSPUNSPUNSPunknUNSPUNSPUNSP
1001988-09-30 -- ----YesrwUSGS0.38 UnspecifiedClearunkn1Imported Channel 1WADEunspeunkno0.383.600.540.70UNSPUNSPUNSPunknUNSPUNSPUNSP
991988-08-10 08:00ESTYesrwUSGS0.40 FairClearunkn1Imported Channel 1WADEunspeunkno0.403.300.590.67UNSPUNSPUNSPunknUNSPUNSPUNSP
981986-07-21 10:15ESTYesmUSGS0.34 FairClearunkn1Imported Channel 1WADEunspeunkno0.344.000.770.44UNSPUNSPUNSPunknUNSPUNSPUNSP
971986-04-21 07:45ESTYesmUSGS0.76 FairClearunkn1Imported Channel 1WADEunspeunkno0.763.300.880.86UNSPUNSPUNSPunknUNSPUNSPUNSP
961986-01-07 07:45ESTYesmUSGS0.56 GoodClearunkn1Imported Channel 1WADEunspeunkno0.564.200.860.65UNSPUNSPUNSPunknUNSPUNSPUNSP
951985-10-18 11:10ESTYesmUSGS1.13 FairClearunkn1Imported Channel 1WADEunspeunkno1.133.801.061.07UNSPUNSPUNSPunknUNSPUNSPUNSP
941985-06-14 07:30ESTYesmUSGS1.79 PoorClearunkn1Imported Channel 1WADEunspeunkno1.797.6011.00.16UNSPUNSPUNSPunknUNSPUNSPUNSP
931983-11-02 08:30ESTYesmUSGS0.96 GoodClearunkn1Imported Channel 1WADEunspeunkno0.964.201.120.86UNSPUNSPUNSPunknUNSPUNSPUNSP
921983-09-02 08:15ESTYesmUSGS1.98 FairClearunkn1Imported Channel 1WADEunspeunkno1.988.205.150.38UNSPUNSPUNSPunknUNSPUNSPUNSP
911983-05-03 -- ----YesdUSGS0.00 Unspecified unkn
901982-11-16 08:00ESTYesmUSGS0.55 FairClearunkn1Imported Channel 1WADEunspeunkno0.554.001.120.49UNSPUNSPUNSPunknUNSPUNSPUNSP
891982-09-07 11:05ESTYesmUSGS1.25 GoodClearunkn1Imported Channel 1WADEunspeunkno1.256.902.240.56UNSPUNSPUNSPunknUNSPUNSPUNSP
881982-06-04 10:00ESTYesmUSGS2.04 GoodClearunkn1Imported Channel 1WADEunspeunkno2.046.802.480.82UNSPUNSPUNSPunknUNSPUNSPUNSP
871982-03-04 07:55ESTYesmUSGS0.95 FairClearunkn1Imported Channel 1WADEunspeunkno0.958.402.900.33UNSPUNSPUNSPunknUNSPUNSPUNSP
861981-12-03 12:30ESTYesmUSGS1.92 FairClearunkn1Imported Channel 1WADEunspeunkno1.928.402.480.77UNSPUNSPUNSPunknUNSPUNSPUNSP
851981-08-17 08:30ESTYesmUSGS0.34 GoodClearunkn1Imported Channel 1WADEunspeunkno0.343.500.460.74UNSPUNSPUNSPunknUNSPUNSPUNSP
841981-06-01 09:00ESTYesmUSGS0.80 GoodClearunkn1Imported Channel 1WADEunspeunkno0.804.602.560.31UNSPUNSPUNSPunknUNSPUNSPUNSP
831981-03-10 13:00ESTYesmUSGS0.89 FairClearunkn1Imported Channel 1WADEunspeunkno0.895.401.930.46UNSPUNSPUNSPunknUNSPUNSPUNSP
821980-11-17 11:00ESTYesmUSGS0.70 FairClearunkn1Imported Channel 1WADEunspeunkno0.705.501.560.44UNSPUNSPUNSPunknUNSPUNSPUNSP
811978-11-02 11:10ESTYesdUSGS0.68 PoorClearunkn1Imported Channel 1WADEunspeunkno0.682.501.320.52UNSPUNSPUNSPunknUNSPUNSPUNSP
801978-09-28 -- ----YesrwUSGS0.49 PoorClearunkn1Imported Channel 1WADEunspeunkno0.493.500.150.26UNSPUNSPUNSPunknUNSPUNSPUNSP
791978-08-02 07:00ESTYesmUSGS1.06 FairClearunkn1Imported Channel 1WADEunspeunkno1.065.201.190.89UNSPUNSPUNSPunknUNSPUNSPUNSP
781978-05-04 13:00ESTYesmUSGS2.15 PoorClearunkn1Imported Channel 1WADEunspeunkno2.157.505.680.38UNSPUNSPUNSPunknUNSPUNSPUNSP
771978-04-18 08:05ESTYesrwUSGS1.49 FairClearunkn1Imported Channel 1WADEunspeunkno1.4914.013.20.11UNSPUNSPUNSPunknUNSPUNSPUNSP
761977-10-31 09:30ESTYesmUSGS0.57 FairClearunkn1Imported Channel 1WADEunspeunkno0.574.701.840.31UNSPUNSPUNSPunknUNSPUNSPUNSP
751977-08-24 07:00ESTYesrwUSGS0.62 FairClearunkn1Imported Channel 1WADEunspeunkno0.624.000.690.91UNSPUNSPUNSPunknUNSPUNSPUNSP
741977-03-17 12:00ESTYesmUSGS0.83 FairClearunkn1Imported Channel 1WADEunspeunkno0.835.401.510.52UNSPUNSPUNSPunknUNSPUNSPUNSP
731976-11-17 09:30ESTYesmUSGS0.54 GoodClearunkn1Imported Channel 1WADEunspeunkno0.545.201.160.46UNSPUNSPUNSPunknUNSPUNSPUNSP
721976-11-16 11:00ESTYesrwUSGS0.68 FairClearunkn1Imported Channel 1WADEunspeunkno0.686.001.060.65UNSPUNSPUNSPunknUNSPUNSPUNSP
711976-06-04 12:30ESTYesdUSGS1.01 FairClearunkn1Imported Channel 1WADEunspeunkno1.0114.53.400.30UNSPUNSPUNSPunknUNSPUNSPUNSP
701976-02-19 14:49ESTYesrwUSGS1.01 PoorClearunkn1Imported Channel 1WADEunspeunkno1.019.0015.10.07UNSPUNSPUNSPunknUNSPUNSPUNSP
691975-09-10 -- ----YesrwUSGS0.15 FairClearunkn1Imported Channel 1WADEunspeunkno0.151.000.180.87UNSPUNSPUNSPunknUNSPUNSPUNSP
681975-08-06 12:00ESTYesmUSGS1.88 FairClearunkn1Imported Channel 1WADEunspeunkno1.888.00 0.60UNSPUNSPUNSPunknUNSPUNSPUNSP
671975-06-19 08:50ESTYesmUSGS1.10 FairClearunkn1Imported Channel 1WADEunspeunkno1.108.403.660.30UNSPUNSPUNSPunknUNSPUNSPUNSP
661975-01-28 10:30ESTYesrwUSGS0.79 FairClearunkn1Imported Channel 1WADEunspeunkno0.799.509.280.09UNSPUNSPUNSPunknUNSPUNSPUNSP
651974-11-19 10:49ESTYesrwUSGS0.50 GoodClearunkn1Imported Channel 1WADEunspeunkno0.505.401.040.48UNSPUNSPUNSPunknUNSPUNSPUNSP
641974-09-19 11:00ESTYeswUSGS0.50 FairClearunkn1Imported Channel 1WADEunspeunkno0.506.902.560.20UNSPUNSPUNSPunknUNSPUNSPUNSP
631974-07-30 10:35ESTYesmUSGS0.58 FairClearunkn1Imported Channel 1WADEunspeunkno0.584.301.160.50UNSPUNSPUNSPunknUNSPUNSPUNSP
621974-04-18 10:55ESTYesmUSGS1.70 PoorClearunkn1Imported Channel 1WADEunspeunkno1.7010.013.00.13UNSPUNSPUNSPunknUNSPUNSPUNSP
611973-12-13 09:15ESTYesmUSGS0.87 FairClearunkn1Imported Channel 1WADEunspeunkno0.878.005.360.16UNSPUNSPUNSPunknUNSPUNSPUNSP
601973-04-23 12:50ESTYesmUSGS1.46 FairClearunkn1Imported Channel 1WADEunspeunkno1.467.006.350.23UNSPUNSPUNSPunknUNSPUNSPUNSP
591973-02-06 09:05ESTYesmUSGS1.28 FairClearunkn1Imported Channel 1WADEunspeunkno1.285.603.590.36UNSPUNSPUNSPunknUNSPUNSPUNSP
581972-10-31 14:25ESTYesmUSGS0.52 FairClearunkn1Imported Channel 1WADEunspeunkno0.522.401.070.49UNSPUNSPUNSPunknUNSPUNSPUNSP
571972-08-23 12:10ESTYesdUSGS0.27 GoodClearunkn1Imported Channel 1WADEunspeunkno0.271.900.600.45UNSPUNSPUNSPunknUNSPUNSPUNSP
561972-05-26 12:30ESTYeswUSGS0.61 GoodClearunkn1Imported Channel 1WADEunspeunkno0.617.900.820.74UNSPUNSPUNSPunknUNSPUNSPUNSP
551972-01-18 12:05ESTYesmUSGS0.38 GoodClearunkn1Imported Channel 1WADEunspeunkno0.383.200.600.63UNSPUNSPUNSPunknUNSPUNSPUNSP
541971-11-19 -- ----YeswUSGS0.15 GoodClearunkn1Imported Channel 1WADEunspeunkno0.152.800.220.19UNSPUNSPUNSPunknUNSPUNSPUNSP
531971-08-17 14:00ESTYesdUSGS0.57 PoorClearunkn1Imported Channel 1WADEunspeunkno0.571.100.120.49UNSPUNSPUNSPunknUNSPUNSPUNSP
521971-05-25 09:45ESTYestsUSGS0.47 FairClearunkn1Imported Channel 1WADEunspeunkno0.473.101.170.32UNSPUNSPUNSPunknUNSPUNSPUNSP
511971-04-29 09:35ESTYesdUSGS0.71 PoorClearunkn1Imported Channel 1WADEunspeunkno0.716.601.110.64UNSPUNSPUNSPunknUNSPUNSPUNSP
501971-02-18 14:20ESTYesmUSGS0.63 FairClearunkn1Imported Channel 1WADEunspeunkno0.636.602.120.30UNSPUNSPUNSPunknUNSPUNSPUNSP
491971-01-14 10:30ESTYesdUSGS0.44 FairClearunkn1Imported Channel 1WADEunspeunkno0.444.200.790.55UNSPUNSPUNSPunknUNSPUNSPUNSP
481970-11-16 13:20ESTYesdUSGS0.48 PoorClearunkn1Imported Channel 1WADEunspeunkno0.482.900.530.91UNSPUNSPUNSPunknUNSPUNSPUNSP
471970-09-29 13:00ESTYeswUSGS0.35 FairClearunkn1Imported Channel 1WADEunspeunkno0.353.400.520.00UNSPUNSPUNSPunknUNSPUNSPUNSP
461969-09-23 12:05ESTYesdUSGS0.17 PoorClearunkn1Imported Channel 1WADEunspeunkno0.172.400.460.36UNSPUNSPUNSPunknUNSPUNSPUNSP
451969-05-26 11:00ESTYesvUSGS0.38 FairClearunkn1Imported Channel 1WADEunspeunkno0.383.800.560.68UNSPUNSPUNSPunknUNSPUNSPUNSP
441968-06-07 12:35ESTYesdUSGS0.30 GoodClearunkn1Imported Channel 1WADEunspeunkno0.30 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
431968-03-05 14:05ESTYesdUSGS0.51 GoodClearunkn1Imported Channel 1WADEunspeunkno0.513.200.570.89UNSPUNSPUNSPunknUNSPUNSPUNSP
421967-12-27 -- ----YesdUSGS0.45 GoodClearunkn1Imported Channel 1WADEunspeunkno0.45 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
411967-09-11 14:50ESTYesdUSGS0.25 FairClearunkn1Imported Channel 1WADEunspeunkno0.254.400.640.39UNSPUNSPUNSPunknUNSPUNSPUNSP
401967-05-05 07:00ESTYeswUSGS0.34 GoodClearunkn1Imported Channel 1WADEunspeunkno0.341.600.510.67UNSPUNSPUNSPunknUNSPUNSPUNSP
391966-11-07 15:15ESTYeswUSGS0.32 GoodClearunkn1Imported Channel 1WADEunspeunkno0.323.200.670.48UNSPUNSPUNSPunknUNSPUNSPUNSP
381966-09-28 09:20ESTYeswUSGS0.42 GoodClearunkn1Imported Channel 1WADEunspeunkno0.423.700.610.69UNSPUNSPUNSPunknUNSPUNSPUNSP
371966-03-15 15:00ESTYeswUSGS0.31 GoodClearunkn1Imported Channel 1WADEunspeunkno0.312.000.530.58UNSPUNSPUNSPunknUNSPUNSPUNSP
361965-10-13 13:45ESTYesrkUSGS0.11 GoodClearunkn1Imported Channel 1WADEunspeunkno0.111.000.150.73UNSPUNSPUNSPunknUNSPUNSPUNSP
351965-08-24 14:00ESTYesrkUSGS0.11 GoodClearunkn1Imported Channel 1WADEunspeunkno0.11 0.130.85UNSPUNSPUNSPunknUNSPUNSPUNSP
341965-03-04 13:55ESTYesrkUSGS0.62 GoodClearunkn1Imported Channel 1WADEunspeunkno0.623.201.640.38UNSPUNSPUNSPunknUNSPUNSPUNSP
331964-11-03 15:00ESTYesrkUSGS0.30 GoodClearunkn1Imported Channel 1WADEunspeunkno0.302.200.420.71UNSPUNSPUNSPunknUNSPUNSPUNSP
321964-08-19 12:35ESTYesrkUSGS0.08 GoodClearunkn1Imported Channel 1WADEunspeunkno0.081.800.210.40UNSPUNSPUNSPunknUNSPUNSPUNSP
311964-06-03 07:45ESTYesrkUSGS0.71 GoodClearunkn1Imported Channel 1WADEunspeunkno0.71 1.25UNSPUNSPUNSPunknUNSPUNSPUNSP
301963-10-23 11:50ESTYeswUSGS0.12 GoodClearunkn1Imported Channel 1WADEunspeunkno0.122.000.170.68UNSPUNSPUNSPunknUNSPUNSPUNSP
291963-07-11 11:40ESTYeswUSGS0.43 GoodClearunkn1Imported Channel 1WADEunspeunkno0.433.600.470.91UNSPUNSPUNSPunknUNSPUNSPUNSP
281963-01-22 11:35ESTYeswUSGS0.85 GoodClearunkn1Imported Channel 1WADEunspeunkno0.856.202.340.36UNSPUNSPUNSPunknUNSPUNSPUNSP
271962-10-16 13:00ESTYeswUSGS0.52 FairClearunkn1Imported Channel 1WADEunspeunkno0.522.000.790.66UNSPUNSPUNSPunknUNSPUNSPUNSP
261962-05-09 07:30ESTYesrkUSGS1.05 GoodClearunkn1Imported Channel 1WADEunspeunkno1.054.501.520.69UNSPUNSPUNSPunknUNSPUNSPUNSP
251962-01-11 14:50ESTYeseUSGS1.27 GoodClearunkn1Imported Channel 1WADEunspeunkno1.274.204.070.31UNSPUNSPUNSPunknUNSPUNSPUNSP
241961-10-12 09:00ESTYeseUSGS1.01 GoodClearunkn1Imported Channel 1WADEunspeunkno1.013.802.660.38UNSPUNSPUNSPunknUNSPUNSPUNSP
231961-08-25 10:15ESTYesrkUSGS0.78 GoodClearunkn1Imported Channel 1WADEunspeunkno0.783.401.020.76UNSPUNSPUNSPunknUNSPUNSPUNSP
221961-05-03 08:45ESTYeseUSGS1.52 FairClearunkn1Imported Channel 1WADEunspeunkno1.52 2.340.64UNSPUNSPUNSPunknUNSPUNSPUNSP
211960-05-17 13:30ESTYesrkUSGS0.84 GoodClearunkn1Imported Channel 1WADEunspeunkno0.844.801.290.65UNSPUNSPUNSPunknUNSPUNSPUNSP
201959-09-28 10:11ESTYesrkUSGS0.28 GoodClearunkn1Imported Channel 1WADEunspeunkno0.283.500.840.33UNSPUNSPUNSPunknUNSPUNSPUNSP
191959-04-29 09:20ESTYespUSGS1.52 GoodClearunkn1Imported Channel 1WADEunspeunkno1.525.901.990.76UNSPUNSPUNSPunknUNSPUNSPUNSP
181959-02-26 12:55ESTYesrkUSGS0.80 FairClearunkn1Imported Channel 1WADEunspeunkno0.803.200.771.04UNSPUNSPUNSPunknUNSPUNSPUNSP
171958-09-04 11:35ESTYeskUSGS0.55 FairClearunkn1Imported Channel 1WADEunspeunkno0.553.500.760.72UNSPUNSPUNSPunknUNSPUNSPUNSP
161957-10-10 11:55ESTYespUSGS0.80 FairClearunkn1Imported Channel 1WADEunspeunkno0.803.800.761.05UNSPUNSPUNSPunknUNSPUNSPUNSP
151957-08-08 09:40ESTYescUSGS0.76 GoodClearunkn1Imported Channel 1WADEunspeunkno0.764.700.701.09UNSPUNSPUNSPunknUNSPUNSPUNSP
141957-05-06 10:30ESTYespUSGS0.86 GoodClearunkn1Imported Channel 1WADEunspeunkno0.864.200.880.98UNSPUNSPUNSPunknUNSPUNSPUNSP
131956-06-29 11:40ESTYeswUSGS0.81 FairClearunkn1Imported Channel 1WADEunspeunkno0.813.400.820.99UNSPUNSPUNSPunknUNSPUNSPUNSP
121956-04-06 08:45ESTYeswUSGS1.17 GoodClearunkn1Imported Channel 1WADEunspeunkno1.174.402.170.54UNSPUNSPUNSPunknUNSPUNSPUNSP
111955-12-22 -- ----YeswUSGS0.00 Unspecified unkn
101955-10-12 11:35ESTYessUSGS0.76 GoodClearunkn1Imported Channel 1WADEunspeunkno0.765.402.040.37UNSPUNSPUNSPunknUNSPUNSPUNSP
91954-09-29 09:10ESTYescUSGS0.84 GoodClearunkn1Imported Channel 1WADEunspeunkno0.845.504.440.19UNSPUNSPUNSPunknUNSPUNSPUNSP
81954-06-15 08:30ESTYespcUSGS0.94 GoodClearunkn1Imported Channel 1WADEunspeunkno0.945.601.010.93UNSPUNSPUNSPunknUNSPUNSPUNSP
71954-03-08 13:30ESTYescUSGS0.00 PoorClearunkn
61953-06-12 -- ----YescUSGS0.00 PoorClearunkn
51952-12-17 09:15ESTYespcUSGS0.54 PoorClearunkn1Imported Channel 1WADEunspeunkno0.545.504.620.12UNSPUNSPUNSPunknUNSPUNSPUNSP
11949-03-05 12:50ESTYespcUSGS0.63 GoodClearunkn1Imported Channel 1WADEunspeunkno0.633.200.750.83UNSPUNSPUNSPunknUNSPUNSPUNSP
41948-10-15 17:15ESTYespcUSGS0.33 FairClearunkn1Imported Channel 1WADEunspeunkno0.332.801.000.33UNSPUNSPUNSPunknUNSPUNSPUNSP
31948-04-29 09:45ESTYespcUSGS0.67 GoodClearunkn1Imported Channel 1WADEunspeunkno0.674.201.290.52UNSPUNSPUNSPunknUNSPUNSPUNSP
21948-03-08 15:15ESTYespcUSGS1.08 ExcellentClearunkn1Imported Channel 1WADEunspeunkno1.084.401.790.60UNSPUNSPUNSPunknUNSPUNSPUNSP