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Streamflow Measurements for the Nation


USGS 06064500 Lake Helena near Helena MT
Lewis And Clark County, Montana
Hydrologic Unit Code 10030101
Latitude  46°45'58", Longitude 111°53'10" NAD27
Drainage area 610  square miles
Gage datum 3,624 feet above NGVD29
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)
61990-06-21 10:40MDTYesclcUSGS431 Unspecified NONE1Imported Channel 1UNSPother 431 UNSPUNSPUNSPunknUNSPUNSPUNSP
51990-05-23 09:28MDTYesclc/mmUSGS416 Unspecified NONE1Imported Channel 1UNSPother 416 UNSPUNSPUNSPunknUNSPUNSPUNSP
41990-03-20 09:12MSTYesclcUSGS221 Unspecified NONE1Imported Channel 1UNSPother 221 UNSPUNSPUNSPunknUNSPUNSPUNSP
31990-02-20 10:40MSTYesclcUSGS72.4 Unspecified NONE1Imported Channel 1UNSPother 72.4 UNSPUNSPUNSPunknUNSPUNSPUNSP
21990-02-06 10:24MSTYesclcUSGS141 Unspecified NONE1Imported Channel 1UNSPother 141 UNSPUNSPUNSPunknUNSPUNSPUNSP
11990-01-29 14:00MSTYesclcUSGS123 Unspecified NONE1Imported Channel 1UNSPother 123 UNSPUNSPUNSPunknUNSPUNSPUNSP