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  • UPDATE, 11/9: As of November 8, the USGS has successfully restored all of the operational gages that stopped transmitting due to an issue with the satellite telemetry system that records and transmits data. The USGS will now focus on restoring other equipment that experienced the telemetry issues, including about 85 rapid deployment gages that are used periodically for emergency response. Read more
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Streamflow Measurements for the Nation


USGS 04040260 GRATIOT RIVER AT 5 MILE POINT ROAD NEAR AHMEEK, MI


Keweenaw County, Michigan
Hydrologic Unit Code 04020103
Latitude  47°19'22", Longitude  88°24'19" NAD27
Drainage area 14.9  square miles
Gage datum 820 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
 
312018-09-11 08:04ESTYesdb/rjhUSGS6.879.55-0.010.40FairClearMEAS
302018-07-18 17:09:30ESTYesMAHUSGS5.439.490.000.50FairClearMEAS
292018-05-23 15:44ESTYesMAHUSGS9.819.640.000.50FairClearMEAS
282018-03-27 10:03:30ESTYesMAH/DABUSGS8.929.630.000.50FairClearMEAS
272018-01-30 11:15:30ESTYesdgw/NJPUSGS12.39.710.000.50FairDebrisLightMEAS
262017-10-12 07:52ESTYesdab/djcUSGS9.829.680.000.60FairDebrisLightMEAS
252017-08-01 17:26ESTYesMAHUSGS3.669.410.000.50FairDebrisLightMEAS
242017-06-08 09:54:30ESTYesMAHUSGS9.359.610.000.50FairClearMEAS
232017-04-19 09:40ESTYesDABUSGS12611.00-0.020.50FairClearMEAS
222017-02-22 10:18:30ESTYesDAB/djcUSGS91.210.72-0.010.80FairClearMEAS
212016-12-28 10:18ESTYesDABUSGS19.99.890.000.50FairIceShoreMEAS
202016-11-09 10:49ESTYesDABUSGS8.309.670.000.50FairDebrisModerateMEAS
192016-09-27 10:22ESTYesDABUSGS38.110.150.010.50FairDebrisLightMEAS
182016-08-16 11:53ESTYesDABUSGS5.129.490.000.50FairClearMEAS
172016-06-21 12:57:30ESTYesDABUSGS5.359.530.000.50FairClearMEAS
162016-04-26 13:35ESTYesDABUSGS89.010.64-0.020.50FairClearMEAS
152016-03-01 10:36ESTYesDABUSGS13.69.810.000.50PoorIceShoreMEAS
142016-01-05 11:46ESTYesDABUSGS11.69.720.010.50PoorIceShoreMEAS
132015-10-28 16:24ESTYesdab/djcUSGS16.29.860.020.50FairDebrisModerateMEAS
122015-08-18 11:35:30ESTYesNHCUSGS2.219.340.010.50GoodDebrisLightMEAS
112015-08-04 13:33:30ESTYesDAB/sasUSGS2.529.390.000.40PoorClearMEAS
102015-07-15 06:56ESTYesDAB/SASUSGS12.49.720.000.50PoorClearMEAS
92015-05-13 10:21ESTYesdab/nhcUSGS60.910.370.000.50FairClearMEAS
82015-04-15 12:42:17ESTYesdab/nhcUSGS25211.780.100.30PoorClearMEAS
72015-04-14 17:59:21ESTYesNHC/DABUSGS29912.240.020.20PoorDebrisLightMEAS
62015-03-25 07:25:30ESTYesdab/mahUSGS15.29.820.000.30FairClearMEAS
52015-01-08 12:54ESTYesdab/djcUSGS13.39.900.010.40PoorIceCoverMEAS
42014-11-19 11:37ESTYesdabUSGS18.79.920.000.50FairIceShoreMEAS
32014-10-15 11:35ESTYesdab/mahUSGS19.59.900.000.40FairDebrisModerateMEAS
22014-08-28 13:30:30ESTYesNHCUSGS6.489.570.010.50FairClearMEAS
12014-08-06 09:58:30ESTYesNHCUSGS3.499.410.000.50PoorClearMEAS