Laserfiche WebLink
<br />U. S. GEOLOGICAL SURVEY <br />ANNUAL PEAK FLOW FREQUENCY ANALYSIS <br />Following Bulletin 17-B Guidelines <br />Program peakfq <br />(Version 2.3, Jan, 1997) <br /> <br />1997 JAM 7 15:55:09 <br /> <br />Station _ 06600500 FLOYD RIVER AT JAMES, IOWA <br /> <br />1000000.1+----+------------+------+--------+-----+---------+------- -+-----+--- ----+------+- -----+----+ ---+-----+ <br />1 1 1 1 1 1 1 1 <br />1 1 1 1 1 1 1 1 <br />1 1 1 1 1 1 1 1 <br />I NOTICE NOTICE .****. 1 1 1 1 I <br />A I . PRELIMINARY MACHINE COMPUTATION. . 1 1 1 1 1 <br />N 1 . USER IS RESPONSIBLE FOR ASSESS- . 1 1 1 1 1 <br />N 1 MENT AND INTERPRETATION. 1 1 1 1 1 <br />U 1 .................................... 1 1 1 1 1 <br />All 1 1 1 1 · <br />L 100000.0 +-- - -+---- --------+-- - ---+- --- -- - -+--- -~+- - ----- -~+-- - ------+---- -+---- -- -+----- -+-- - ---+-- --+----+-- ---+ <br />II PLOT SYMBOL KEY 1 1 1 1 1 01 $1 # <br />P I 1 WRC FINAL FREQUENCY CURVE 1 1 1 1 1 1 # 1 <br />Ell 0 OBSERVED (SYSTEMATIC) PEAKS 1 1 1 1 1 1 1 . <br />A I 1 $ HISTORICALLY ADJUSTED PEAKS 1 1 1 I 1 # 1 <br />K I 1 # SYSTEMATIC-RECORD FREQ CURVE 1 1 1 1 1 # 1 <br />I 1 WHEN POINTS COINCIDE, ONLY THE 1 1 1 1 # # 1 <br />Mil TOPMOST SYMBOL SHOWS. 1 I 1 1 1 <br />All 1 1 1 I 1 0 '0 'I 1 <br />G J J I 1 I I 1 00$. 1 1 <br />N 10000.0 +----+------------+------+--------+-----+---------+-- ------+---- +--------+------+-------+----+----+---- <br />I 1 1 1 I I 1 0$0.$0$ 1 <br />T 1 1 1 I I 0.$0 1 <br />U 1 1 1 I I 000$0 1 1 <br />D 1 1 1 1 000$** 1 1 <br />Ell 1 I 0.00. 1 1 <br />S 1 1 I 1 O. # I I <br />1 1 I .00 1 I <br />1 I 1 00 1 1 I <br />1 1 1 $00000 1 1 1 1 <br />I 1000.0+----+------------+------.--------+-----+---------+---------+-----+-- -----+----- +-------+----+----+-----+ <br />L 1 I $0 $0 I I <br />o 1 1 1 1 <br />G 1 1 1 1 <br />1 . 1 1 <br />S # $ 0 1 1 <br />ell <br />All <br />L 1 1 <br />Ell <br />I 100.0+----+------------+------+--------+-----+---------+---------+-- --+--------+------+---- --+----+--- +-----+ <br />1 1 <br />1 1 <br />1 1 <br />1 1 <br />1 1 <br />I 1 <br />I 1 <br />I 1 <br />I 1 <br />10.0+----+------------+------+--------+-----+---------+---------+-----+--------+------+-------+--- +----+-----+ <br /> <br />99.599.0 <br /> <br />95.0 90.0 BO.O 70.0 50.0 30020.0 10.0 <br />ANNUAL EXCEEDANCE PROBABILITY, PERCENT (NORMAL SCALE) <br /> <br />'.0 <br /> <br />2.01.00.5 0.2 <br /> <br />PEAKFQ <br /> <br />26 <br /> <br />DRAFT" 1/30/98 <br />