Revision History for SIR 2015-5001

By J. Curtis Weaver

Low-Flow Characteristics and Flow-Duration Statistics for Selected USGS Continuous-Record Streamgaging Stations in North Carolina Through 2012

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Posted online March 12, 2015

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Revised and reposted March 3, 2016

In the fourth paragraph on p. 30, the structure of the second sentence was revised:

However, the 7Q10 discharge did not increase at all streamgages included in the comparisons and that also were located downstream of a diversion or increased basin development.

Table 1, p. 66:
Site index number 413 -- Station name was changed from French Broad at Calvert, NC to French Broad River at Calvert, NC

Table 3, p. 21:
Site index number 106 --
Period of analysis was changed from 1984–2011 to 1984; 1986–2011
Low-flow characteristic, 7Q10 was changed from 165.0 to 181.0 ft3/s
Low-flow characteristic, 7Q2 was changed from 222.0 to 221.0 ft3/s

Table 3, p. 21:
Site index number 118 –-
Period of analysis was changed from 1984-91; 1995-2011 to 1984-2011
Low-flow characteristic, 7Q10 was changed from 218.0 to 221.0 ft3/s
Low-flow characteristic, 30Q2 was changed from 447.0 to 438.0 ft3/s
Low-flow characteristic, 7Q2 was changed from 344.0 to 341.0 ft3/s

Table 3, p. 21:
Site index number 122 –-
Period of analysis was changed from 1984-94; 1996-2011 to 1984-2011
Low-flow characteristic, 7Q10 was changed from 268.0 to 271.0 ft3/s
Low-flow characteristic, 30Q2 was changed from 565.0 to 572.0 ft3/s
Low-flow characteristic, 7Q2 was changed from 447.0 to 448.0 ft3/s
		
Table 3, p. 24:
Site index number 267 –-
Period of analysis was changed from 1939–96; 1998–2011 to 1939–2011
Low-flow characteristic, 7Q2 was changed from 115.0 to 116.0 ft3/s

Table 5, p. 74:
Site index number 118 –-
Period of analysis was changed from 1984–91; 1993; 1996–2012 to 1984–2012
Mean daily discharge was changed from 2,330 to 2,290 ft3/s
Unit flow for mean daily discharge was changed from .97 to .95
Duration of daily mean flow, 5th percentile was changed from 328.0 to 330.0 ft3/s
Duration of daily mean flow, 25th percentile was changed from 636.0 to 618.0 ft3/s
Duration of daily mean flow, 50th percentile was changed from 1,280.0 to 1,240.0 ft3/s
Duration of daily mean flow, 75th percentile was changed from 2,990.0 to 2,900.0 ft3/s
Duration of daily mean flow, 90th percentile was changed from 5,810.0 to 5,770.0 ft3/s
Duration of daily mean flow, 95th percentile was changed from 7,770.0 to 7,750.0 ft3/s

Table 5, p. 74:
Site index number 122 -–
Period of analysis was changed from 1984–95; 1997–2012 to 1984–2012
Mean daily discharge was changed from 2,590 to 2,640 ft3/s
Unit flow for mean daily discharge was changed from .96 to .98
Duration of daily mean flow, 5th percentile was changed from 421.0 to 426.0 ft3/s
Duration of daily mean flow, 10th percentile was changed from 510.0 to 517.0 ft3/s
Duration of daily mean flow, 25th percentile was changed from 787.0 to 801.0 ft3/s
Duration of daily mean flow, 50th percentile was changed from 1,470.0 to 1,530.0 ft3/s
Duration of daily mean flow, 75th percentile was changed from 3,360.0 to 3,420.0 ft3/s
Duration of daily mean flow, 90th percentile was changed from 6,280.0 to 6,340.0 ft3/s
Duration of daily mean flow, 95th percentile was changed from 8,420.0 to 8,440.0 ft3/s

Table 5, p. 79:
Site index number 267 –-
Period of analysis was changed from 1939–96; 1998–2012 to 1939–2012
Mean daily discharge was changed from 332 to 333 ft3/s
Duration of daily mean flow, 25th percentile was changed from 156.0 to 157.0 ft3/s
Duration of daily mean flow, 50th percentile was changed from 229.0 to 230.0 ft3/s
Duration of daily mean flow, 75th percentile was changed from 347.0 to 348.0 ft3/s
Duration of daily mean, 95th percentile was changed from 869.0 to 867.0 ft3/s

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