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Scientific Investigations Report 2006–5323

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5323

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Table 2. Peak streamflow estimated from streamflow data and regional equations for selected recurrence intervals, Duck and Jordan Creeks, Juneau, Alaska.

[Abbreviaton: ft3/s, cubic foot per second]

Recurrence
interval
(years)		 Estimated from streamflow data       Estimated from regional equations       Weighted estimate
Peak
streamflow
(ft3/s)		 Confidence limits Peak
streamflow
(ft3/s)		 Confidence limits Equivalent
years of
record		 Peak
streamflow
(ft3/s)
5 percent 95 percent 5 percent 95 percent
Duck Creek below Nancy Street near Auke Bay (15053200)
2 35.7 29.4 42.9       142 77 261 0.8       39.2
5 48.8 40.8 63.9       202 111 368 1.3       56.7
10 58.6 47.9 82.8       243 133 445 1.7       70.9
25 72.0 56.8 113       296 159 551 2.4       92.7
50 82.9 63.5 140       336 177 637 2.8       110
100 94.6 70.4 171       376 194 728 3.1       128
200 107 77.4 207       418 210 832 3.4       148
500 125 87.3 265       474 229 978 3.7       175
Jordan Creek below Egan Drive near Auke Bay (15052475)
2 83.4 62.7 110       375 205 686 1.0       98.6
5 121 93.8 187       537 297 973 1.6       155
10 149 112 259       649 357 1,180 2.1       202
25 186 134 375       789 428 1,460 2.9       273
50 215 150 481       896 477 1,680 3.4       329
100 246 166 605       999 520 1,920 3.9       389
200 278 182 750       1,110 564 2,190 4.2       448
500 324 204 979       1,250 614 2,560 4.6       530

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