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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 15303600 KUSKOKWIM R AT MCGRATH AK
Yukon-Koyukuk Census Area County, Alaska
Hydrologic Unit Code 19030405
Latitude  62°57'10", Longitude 155°35'11" NAD27
Drainage area 11,560  square miles
Gage datum 300 feet above NGVD29
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
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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)
822025-09-29 12:37:50AKDTYesBAD/DSIUSGS2530010.540.000.25PoorClearNONE1mainMBOTQADCPVADCP25300101081003.13FIRMGRVLEVENSTDYUNEVSTNDDNST1000.00
812025-06-24 16:04AKDTYesBAD/AFEUSGS3400013.360.000.35GoodClearNONE1mainMBOTQADCPVADCP3400096991803.71FIRMGRVLEVENSTDYEVENSTNDDNST3000.00
802025-04-15 14:46:54AKDTYesBAD/AELUSGS6810 PoorIceCoverNONE1mainICEQSCMMVADCP681097633702.02UNSPGRVLUNEVSTDYUNSPNSTDDNST7000.00
792025-01-15 15:16AKSTYesAJM/DSIUSGS4440 PoorIceCoverNONE179ICEQSCMMVADCP444093335001.27UNSPUNSPUNSPUNSPUNSPUNSPDNST2500.00
782024-10-02 18:19:11AKDTYesAJM/AELUSGS2050010.46 FairClearNONE178MBOTQADCPVADCP2050098269702.93UNSPUNSPUNSPUNSPUNSPUNSPDNST1000.00
772024-07-16 11:55:26AKDTYesAJM/SLNUSGS2340011.430.031.00FairClearNONE1716MBOTQADCPVADCP2340090382002.85UNSPUNSPUNSPUNSPUNSPUNSPDNST2500.00
762024-06-12 18:27:37AKDTYesAJMUSGS1750010.070.030.50PoorClearNONE176MBOTQADCPVADCP1750099167302.61UNSPUNSPUNSPUNSPUNSPUNSPDNST4000.00
752024-04-25 19:00:30AKDTYesAJM/DSIUSGS11200 FairIceCoverNONE14/24ICEQSCMMVADCP1120095061001.84UNSPUNSPUNSPUNSPUNSPUNSPDNST2500.00
742024-02-21 18:50:30AKSTYesAJM/DSIUSGS4970 PoorIceCoverNONE1mainICEQSCMMVADCP497095033501.49UNSPUNSPUNSPUNSPUNSPUNSPDNST5000.00
732023-10-04 18:00:44AKDTYesAJM/MMDUSGS162009.36 PoorClearNONE173MBOTQADCPVADCP1620097259302.74UNSPUNSPUNSPUNSPUNSPUNSPDNST2000.00
722023-07-26 18:47:20AKDTYesAJM/DSIUSGS2900012.24 FairClearNONE1726MBOTQADCPVADCP2900096987003.33UNSPUNSPUNSPUNSPUNSPUNSPDNST2500.00
712023-06-22 18:03:30AKDTYesAJM/JCCUSGS2240010.95 PoorClearNONE1622MBOTQADCPVADCP2240096970903.16UNSPUNSPUNSPUNSPUNSPUNSPDNST2000.00
702023-04-12 17:17AKDTYesAJM/MERUSGS5080 FairIceCoverNONE1iceICEQSCMMVADCP508093027701.83UNSPUNSPUNSPUNSPUNSPUNSPDNST3000.00
692023-02-15 19:31AKSTYesAJM/DSIUSGS6500 FairIceCoverNONE1ice1ICEQSCMMVADCP650099039701.64UNSPUNSPUNSPUNSPUNSPUNSPDNST2500.00
682022-08-23 11:35:20AKDTYesAJM/BADUSGS2640012.650.020.50Fair NONE1823RCQADCPVADCP26400103090502.92UNSPUNSPUNSPUNSPUNSPUNSPDNST1000.00
672022-06-30 19:57:04AKDTYesAJM/MERUSGS2410011.56 Fair NONE167MBOTQADCPVADCP2410072870803.41UNSPUNSPUNSPUNSPUNSPUNSPDNST500.00
662022-06-07 19:01:13AKDTYesAJM/CVBUSGS2820012.61 FairClearNONE12MBOTQADCPVADCP2820078483203.39UNSPUNSPUNSPUNSPUNSPUNSPDNST1000.00
652021-07-01 11:43:48AKDTYesAJM/JCCUSGS1940010.32 FairClearNONE1001MBOTQADCPVADCP1940054558303.32UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
641973-10-02 18:25AKDTYesJPH/JDMUSGS111009.21 Good NONE1Imported Channel 1BOATunspeunkno1110077549202.26UNSPUNSPUNSPunknUNSPUNSPUNSP
631973-08-23 14:45AKDTYesA K/JDMUSGS2880014.210.111.70GoodDebrisModerateNONE1Imported Channel 1BOATunspeunkno2880080087103.31UNSPUNSPUNSPunknUNSPUNSPUNSP
621973-07-12 08:20AKDTYesVMN/JDMUSGS2300012.18-0.021.60GoodClearNONE1Imported Channel 1BOATunspeunkno2300091577502.97UNSPUNSPUNSPunknUNSPUNSPUNSP
611973-05-23 11:30AKDTYesLSL/MMHUSGS1420011.940.001.30FairClearNONE1Imported Channel 1BOATunspeunkno1420082066602.13UNSPUNSPUNSPunknUNSPUNSPUNSP
601973-03-17 11:20AKSTYesMMH/WWWUSGS4540 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno454043020002.27UNSPUNSPUNSPunknUNSPUNSPUNSP
591972-10-21 15:25AKDTYesMMH/VMNUSGS1530011.05-0.020.80PoorClearNONE1Imported Channel 1BOATunspeunkno1530081064902.36UNSPUNSPUNSPunknUNSPUNSPUNSP
581972-09-23 16:20AKDTYesVMN/H HUSGS1680010.61-0.020.90FairClearNONE1Imported Channel 1BOATunspeunkno1680081061402.74UNSPUNSPUNSPunknUNSPUNSPUNSP
571972-08-17 15:45AKDTYesTCH/MMHUSGS2340013.030.001.20FairClearNONE1Imported Channel 1BOATunspeunkno2340080576403.06UNSPUNSPUNSPunknUNSPUNSPUNSP
561972-07-13 15:10AKDTYesMMH/JDMUSGS2810014.11-0.031.30GoodClearNONE1Imported Channel 1BOATunspeunkno2810079081503.45UNSPUNSPUNSPunknUNSPUNSPUNSP
551972-06-14 21:10AKDTYesVMN/MMHUSGS1970013.580.010.60FairClearNONE1Imported Channel 1BOATunspeunkno1970080579002.49UNSPUNSPUNSPunknUNSPUNSPUNSP
541972-06-14 19:30AKDTYesVMN/MMHUSGS2010013.560.020.10GoodClearNONE1Imported Channel 1BOATunspeunkno201008.0582402.45UNSPUNSPUNSPunknUNSPUNSPUNSP
531972-03-22 09:55AKSTYesVMN/MMHUSGS3950 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno395052019602.02UNSPUNSPUNSPunknUNSPUNSPUNSP
521971-09-25 11:00AKDTYesJPH/VMNUSGS135009.31-0.010.80FairClearNONE1Imported Channel 1BOATunspeunkno1350073050202.69UNSPUNSPUNSPunknUNSPUNSPUNSP
511971-08-16 08:25AKDTYesF/MMHUSGS5860020.32-0.041.00GoodClearNONE1Imported Channel 1BOATunspeunkno58600860139004.22UNSPUNSPUNSPunknUNSPUNSPUNSP
501971-08-15 17:30AKDTYesF/MMHUSGS6520020.88-0.051.50GoodClearNONE1Imported Channel 1BOATunspeunkno65200860145004.47UNSPUNSPUNSPunknUNSPUNSPUNSP
491971-07-09 12:15AKDTYesMMH/DRKUSGS2660013.040.065.80GoodClearNONE1Imported Channel 1BOATunspeunkno2660075083303.19UNSPUNSPUNSPunknUNSPUNSPUNSP
481971-03-19 10:30AKSTYesMMH/DRKUSGS3950 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno395060022601.75UNSPUNSPUNSPunknUNSPUNSPUNSP
471970-09-26 12:05AKDTYesVMN/MMHUSGS146009.90-0.021.00FairClearNONE1Imported Channel 1BOATunspeunkno1460078054402.68UNSPUNSPUNSPunknUNSPUNSPUNSP
461970-08-19 14:45AKDTYesR KUSGS1840011.500.002.00FairClearNONE1Imported Channel 1BOATunspeunkno1840077064202.87UNSPUNSPUNSPunknUNSPUNSPUNSP
451970-07-08 17:00AKDTYesR K/MMHUSGS2970014.17-0.051.20PoorClearNONE1Imported Channel 1BOATunspeunkno2970078587203.41UNSPUNSPUNSPunknUNSPUNSPUNSP
441970-05-25 12:40AKDTYesVMN/MMHUSGS106009.36 GoodClearNONE1Imported Channel 1BOATunspeunkno1060057046402.28UNSPUNSPUNSPunknUNSPUNSPUNSP
431970-03-12 -- ----YesMMH/E CUSGS3890 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno389039017502.22UNSPUNSPUNSPunknUNSPUNSPUNSP
421969-09-29 14:15AKSTYesMMH/LLDUSGS88507.450.000.60GoodClearNONE1Imported Channel 1BOATunspeunkno885048032202.74UNSPUNSPUNSPunknUNSPUNSPUNSP
411969-08-14 15:00AKSTYesVMN/JBWUSGS2290012.70 FairClearNONE1Imported Channel 1BOATunspeunkno2290076577002.97UNSPUNSPUNSPunknUNSPUNSPUNSP
401969-07-01 18:20AKSTYesVMN/MMHUSGS2050011.960.012.00GoodClearNONE1Imported Channel 1BOATunspeunkno2050079070002.93UNSPUNSPUNSPunknUNSPUNSPUNSP
391969-06-03 15:20AKSTYesVMN/MMHUSGS106007.950.022.50FairClearNONE1Imported Channel 1BOATunspeunkno1060070041402.56UNSPUNSPUNSPunknUNSPUNSPUNSP
381969-05-15 07:30AKSTYesMMH/VMNUSGS1510010.780.001.40PoorClearNONE1Imported Channel 1BOATunspeunkno1510076560002.52UNSPUNSPUNSPunknUNSPUNSPUNSP
371969-03-07 11:30AKSTYesVMN/MMHUSGS3730 FairIceCoverNONE1Imported Channel 1UNSPother 3730 UNSPUNSPUNSPunknUNSPUNSPUNSP
361968-09-23 13:40AKSTYesMMH/T KUSGS102007.550.001.10GoodClearNONE1Imported Channel 1BOATunspeunkno1020062038702.64UNSPUNSPUNSPunknUNSPUNSPUNSP
351968-08-22 12:00AKSTYesT K/R KUSGS1740010.320.041.50GoodClearNONE1Imported Channel 1BOATunspeunkno1740079560502.88UNSPUNSPUNSPunknUNSPUNSPUNSP
341968-07-11 18:30AKSTYesR K/T KUSGS2430012.560.001.00GoodClearNONE1Imported Channel 1BOATunspeunkno2430084079703.05UNSPUNSPUNSPunknUNSPUNSPUNSP
331968-06-06 12:40AKSTYesJPH/T KUSGS1980012.030.061.30GoodClearNONE1Imported Channel 1BOATunspeunkno1980080572602.73UNSPUNSPUNSPunknUNSPUNSPUNSP
321968-05-15 17:00AKSTYesJDM/T KUSGS4870019.40-0.031.00Good NONE1Imported Channel 1BOATunspeunkno48700895139003.50UNSPUNSPUNSPunknUNSPUNSPUNSP
311968-03-20 16:35AKSTYesT K/JDMUSGS4480 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno448052522501.99UNSPUNSPUNSPunknUNSPUNSPUNSP
301967-09-29 15:30AKSTYesT K/R KUSGS158009.510.001.00GoodClearNONE1Imported Channel 1BOATunspeunkno1580087552303.02UNSPUNSPUNSPunknUNSPUNSPUNSP
291967-08-21 16:00AKSTYesT K/JDMUSGS7100022.710.031.00FairClearNONE1Imported Channel 1BOATunspeunkno71000925165004.30UNSPUNSPUNSPunknUNSPUNSPUNSP
281967-07-13 16:10AKSTYesLLD/T KUSGS2960013.270.00 FairClearNONE1Imported Channel 1BOATunspeunkno2960079585203.47UNSPUNSPUNSPunknUNSPUNSPUNSP
271967-05-28 16:30AKSTYesJPH/FOMUSGS3030015.69-0.091.00GoodClearNONE1Imported Channel 1BOATunspeunkno303001050115002.63UNSPUNSPUNSPunknUNSPUNSPUNSP
261967-05-09 11:15AKSTYesJPH/T KUSGS3700018.07 FairClearNONE1Imported Channel 1BOATunspeunkno37000985137002.70UNSPUNSPUNSPunknUNSPUNSPUNSP
251967-03-20 10:55AKSTYesT K/WWWUSGS5290 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno529056026502.00UNSPUNSPUNSPunknUNSPUNSPUNSP
241966-12-09 13:00AKSTYesJTMUSGS4400 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno440056036001.22UNSPUNSPUNSPunknUNSPUNSPUNSP
231966-09-25 14:30AKSTYesJPH/JMCUSGS136008.80 Fair NONE1Imported Channel 1BOATunspeunkno1360090048002.83UNSPUNSPUNSPunknUNSPUNSPUNSP
221966-08-29 13:45AKSTYesJPH/JTMUSGS2080011.20 FairClearNONE1Imported Channel 1BOATunspeunkno20800100073002.85UNSPUNSPUNSPunknUNSPUNSPUNSP
211966-07-25 17:45AKSTYesD S/JTMUSGS2360011.90 GoodClearNONE1Imported Channel 1BOATunspeunkno2360095073203.22UNSPUNSPUNSPunknUNSPUNSPUNSP
201966-06-12 19:45AKSTYesJTM/JDMUSGS3050014.500.001.80GoodClearNONE1Imported Channel 1BOATunspeunkno30500100098803.09UNSPUNSPUNSPunknUNSPUNSPUNSP
191966-03-06 15:30AKSTYesJPH/JTMUSGS2860 PoorIceCoverNONE1Imported Channel 1ICEQSCMMunkno286085029600.97UNSPUNSPUNSPunknUNSPUNSPUNSP
181965-12-09 -- ----YesJTM/RATUSGS5630 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno563075032601.72UNSPUNSPUNSPunknUNSPUNSPUNSP
171965-10-04 11:45AKSTYesJPH/RSGUSGS3000014.60-0.071.30GoodClearNONE1Imported Channel 1BOATunspeunkno300001000102002.94UNSPUNSPUNSPunknUNSPUNSPUNSP
161965-08-24 13:30AKSTYesJPHUSGS2790014.410.021.50Good NONE1Imported Channel 1BOATunspeunkno2790081090403.08UNSPUNSPUNSPunknUNSPUNSPUNSP
151965-07-26 09:40AKSTYesJTM/JMCUSGS2220011.590.001.30FairClearNONE1Imported Channel 1BOATunspeunkno2220092570503.14UNSPUNSPUNSPunknUNSPUNSPUNSP
141965-06-04 08:00AKSTYesJTM/JDMUSGS2030012.960.041.50GoodClearNONE1Imported Channel 1BOATunspeunkno20300104087502.33UNSPUNSPUNSPunknUNSPUNSPUNSP
131965-06-03 19:30AKSTYesJTM/JDMUSGS2110013.480.122.00GoodClearNONE1Imported Channel 1BOATunspeunkno21100104096002.20UNSPUNSPUNSPunknUNSPUNSPUNSP
121965-03-21 08:30AKSTYesJTM/WWWUSGS5530 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno553075032301.71UNSPUNSPUNSPunknUNSPUNSPUNSP
111965-01-26 12:30AKSTYesJTM/WWWUSGS5880 GoodIceCoverNONE1Imported Channel 1ICEQSCMMunkno588074033801.74UNSPUNSPUNSPunknUNSPUNSPUNSP
101964-09-22 17:00AKSTYesJPHUSGS126008.91 Good NONE1Imported Channel 1BOATunspeunkno1260080047502.65UNSPUNSPUNSPunknUNSPUNSPUNSP
91964-08-24 17:25AKSTYesJPH/JTMUSGS2090010.500.011.00Good NONE1Imported Channel 1BOATunspeunkno2090085062603.34UNSPUNSPUNSPunknUNSPUNSPUNSP
81964-07-27 19:15AKSTYesMMH/ACMUSGS2490012.300.001.30PoorClearNONE1Imported Channel 1BOATunspeunkno2490083572303.44UNSPUNSPUNSPunknUNSPUNSPUNSP
71964-06-15 09:15AKSTYesJPH/CVKUSGS4350016.07 Good NONE1Imported Channel 1BOATunspeunkno435001000106004.10UNSPUNSPUNSPunknUNSPUNSPUNSP
61964-04-03 11:30AKSTYesJPH/WWWUSGS5300 GoodIceCoverNONE1Imported Channel 1ICEQSCMMunkno530051521502.47UNSPUNSPUNSPunknUNSPUNSPUNSP
51964-02-17 12:30AKSTYesSGS/WWWUSGS5200 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno520055023402.22UNSPUNSPUNSPunknUNSPUNSPUNSP
41963-12-13 09:30AKSTYesJPH/WWWUSGS54008.98 FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno540055031301.73UNSPUNSPUNSPunknUNSPUNSPUNSP
31963-09-29 16:15AKSTYesFOM/JPHUSGS1810011.570.000.70FairClearNONE1Imported Channel 1BOATunspeunkno1810084061402.95UNSPUNSPUNSPunknUNSPUNSPUNSP
21963-08-19 09:15AKSTYesFOM/JPHUSGS5860021.260.001.70FairClearNONE1Imported Channel 1BOATunspeunkno58600825140004.19UNSPUNSPUNSPunknUNSPUNSPUNSP
11963-07-13 11:30AKSTYesFOM/JPHUSGS3790015.900.001.10FairClearNONE1Imported Channel 1BOATunspeunkno37900825102003.72UNSPUNSPUNSPunknUNSPUNSPUNSP