Station list
05420500 MISSISSIPPI RIVER AT CLINTON, IA
(National stream-quality accounting network station)
LOCATION.--Lat 41°46'50", long 90°15'07", in NW¼ sec.34, T.81 N., R.6 E., Clinton County, Hydrologic Unit 07080101, on right
bank at end of Eighth Avenue in Camanche, 5.0 mi upstream from Wapsipinicon River, 6.4 mi downstream from Clinton, 10.6 mi
downstream from Lock and Dam 13, and at mile 511.8 upstream from Ohio River.
DRAINAGE AREA.--85,600 mi2, approximately, at Fulton-Lyons Bridge at Clinton.
PERIOD OF RECORD.--June to August 1873 (fragmentary), October 1873 to current year (October 1932 to September 1939, published as
"at Le Claire")(June 1873 to December 1932 published in the Iowa State Planning Board report "Stream-flow records of Iowa,
1873-1932").
REVISED RECORDS.--WDR IA-75-1: 1974.
GAGE.--Water-stage recorder. Datum of gage is 562.68 ft above sea level. June 6, 1969 to Sept. 16, 1988, water-stage recorder at
site 400 ft upstream at same datum. Auxiliary water-stage recorder at Lock and Dam 13 since Oct. 1, 1958. See WSP 1728 for
history of changes prior to Oct. 1, 1955.
REMARKS.--Estimated daily discharges: Jan. 11-21, June 12-16, and June 21. Records good except those for estimated daily
discharges, which are poor. Minor flow regulation caused by navigation dams. Periodic observations of water temperature and
specific conductance are published in this report as miscellaneous water quality data. U.S. Army Corps of Engineers rain gage
and data collection platform at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage known since at least 1828, that of Apr. 28, 1965.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
|
---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
---|
|
1 | 34800 | 42000 | 36900 | 27300 | 36700 | 78500 | 108000 | 87300 | 50200 | 101000 | 33000 | 34600 |
2 | 35100 | 42400 | 34500 | 26000 | 38300 | 81500 | 128000 | 79500 | 47800 | 106000 | 34700 | 32500 |
3 | 35200 | 42200 | 32800 | 25700 | 38600 | 85900 | 130000 | 76300 | 45400 | 116000 | 33900 | 30600 |
4 | 35000 | 41900 | 33400 | 27500 | 37800 | 85000 | 122000 | 73900 | 50500 | 125000 | 33800 | 29100 |
5 | 33900 | 40700 | 35100 | 32700 | 37800 | 87300 | 124000 | 70200 | 51100 | 131000 | 34900 | 29300 |
|
6 | 29100 | 40400 | 35700 | 37500 | 37600 | 89700 | 130000 | 66400 | 49600 | 136000 | 41200 | 28100 |
7 | 29600 | 40600 | 36400 | 40400 | 36800 | 94100 | 140000 | 63000 | 47100 | 139000 | 45200 | 27500 |
8 | 33100 | 40600 | 36200 | 40300 | 36000 | 99600 | 152000 | 61200 | 44600 | 138000 | 46300 | 28400 |
9 | 36200 | 40600 | 36400 | 36100 | 35000 | 102000 | 164000 | 60200 | 44600 | 133000 | 46000 | 28700 |
10 | 38300 | 40600 | 37600 | 30500 | 33700 | 99800 | 173000 | 59900 | 48600 | 125000 | 41200 | 28700 |
|
11 | 35600 | 41400 | 37400 | e27000 | 32000 | 97600 | 178000 | 61000 | 52800 | 113000 | 39800 | 27900 |
12 | 33200 | 41100 | 36300 | e25000 | 35800 | 94300 | 176000 | 60300 | e55000 | 104000 | 45300 | 26600 |
13 | 35500 | 40100 | 34500 | e24000 | 36400 | 86600 | 175000 | 58500 | e56000 | 96900 | 47300 | 25300 |
14 | 42600 | 39100 | 33900 | e21000 | 37300 | 76800 | 171000 | 52300 | e58000 | 86300 | 40000 | 26400 |
15 | 49100 | 39700 | 33400 | e20000 | 37000 | 70700 | 165000 | 42900 | e58000 | 75700 | 26400 | 32100 |
|
16 | 51600 | 40900 | 34200 | e18000 | 37400 | 69400 | 160000 | 44000 | e59000 | 69400 | 28700 | 33000 |
17 | 53700 | 40800 | 35100 | e18000 | 40000 | 64700 | 156000 | 50600 | 60000 | 64300 | 36200 | 30700 |
18 | 55900 | 40800 | 35900 | e19000 | 40100 | 59300 | 152000 | 49500 | 61900 | 60400 | 39400 | 29200 |
19 | 57300 | 38400 | 35800 | e22000 | 39900 | 57600 | 147000 | 53900 | 72900 | 54200 | 39200 | 26700 |
20 | 59000 | 35300 | 35100 | e25000 | 46700 | 60300 | 139000 | 55900 | 85100 | 51700 | 36200 | 25500 |
|
21 | 58800 | 34400 | 33700 | e30000 | 55100 | 60500 | 131000 | 54500 | e86000 | 52100 | 37500 | 24600 |
22 | 56500 | 32900 | 33100 | 37500 | 54400 | 59200 | 125000 | 52700 | 77000 | 54500 | 41700 | 23300 |
23 | 53900 | 30200 | 33400 | 41100 | 56600 | 60800 | 120000 | 51300 | 77100 | 55500 | 45400 | 23000 |
24 | 50400 | 25300 | 33000 | 41400 | 59400 | 61400 | 117000 | 52100 | 78400 | 51400 | 43500 | 25700 |
25 | 51400 | 24100 | 33900 | 41100 | 59900 | 58500 | 110000 | 55800 | 79000 | 48600 | 38000 | 29100 |
|
26 | 45600 | 33700 | 33600 | 41000 | 60600 | 53800 | 107000 | 58000 | 78400 | 46600 | 47100 | 27200 |
27 | 41300 | 40300 | 30300 | 40900 | 64800 | 51100 | 102000 | 56600 | 74900 | 46100 | 50200 | 25400 |
28 | 42000 | 38700 | 28300 | 40300 | 71900 | 51100 | 95200 | 50400 | 75900 | 41400 | 48200 | 25000 |
29 | 43500 | 39200 | 25400 | 39000 | --- | 58500 | 93300 | 48900 | 85000 | 37100 | 40500 | 24400 |
30 | 44000 | 37100 | 24900 | 37900 | --- | 61100 | 92500 | 52400 | 92800 | 32900 | 36000 | 29800 |
|
31 | 42100 | --- | 25300 | 37000 | --- | 79500 | --- | 54000 | --- | 31300 | 36900 | --- |
TOTAL | 1343300 | 1145500 | 1041500 | 970200 | 1233600 | 2296200 | 4083000 | 1813500 | 1902700 | 2523400 | 1233700 | 838400
|
MEAN | 43330 | 38180 | 33600 | 31300 | 44060 | 74070 | 136100 | 58500 | 63420 | 81400 | 39800 | 27950
|
MAX | 59000 | 42400 | 37600 | 41400 | 71900 | 102000 | 178000 | 87300 | 92800 | 139000 | 50200 | 34600
|
MIN | 29100 | 24100 | 24900 | 18000 | 32000 | 51100 | 92500 | 42900 | 44600 | 31300 | 26400 | 23000
|
AC-FT | 2664000 | 2272000 | 2066000 | 1924000 | 2447000 | 4555000 | 8099000 | 3597000 | 3774000 | 5005000 | 2447000 | 1663000
|
CFSM | .51 | .45 | .39 | .37 | .51 | .87 | 1.59 | .68 | .74 | .95 | .46 | .33
|
IN. | .58 | .50 | .45 | .42 | .54 | 1.00 | 1.77 | .79 | .83 | 1.10 | .54 | .36
|
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1874 - 1998, BY WATER YEAR (WY)
|
---|
MEAN | 41090 | 39300 | 27910 | 25740 | 27970 | 50760 | 90230 | 81660 | 68210 | 55780 | 37950 | 38080
|
MAX | 203600 | 146800 | 73590 | 54100 | 65680 | 127500 | 175900 | 212400 | 182100 | 198900 | 113400 | 92410
|
(WY) | 1882 | 1882 | 1882 | 1973 | 1966 | 1973 | 1997 | 1888 | 1892 | 1993 | 1993 | 1938
|
MIN | 13490 | 13760 | 11120 | 11390 | 14000 | 17600 | 26040 | 23190 | 15420 | 14690 | 12460 | 13870
|
(WY) | 1934 | 1934 | 1934 | 1890 | 1893 | 1934 | 1931 | 1977 | 1988 | 1988 | 1936 | 1933
|
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1874 - 1998 |
---|
ANNUAL TOTAL | 23480300 | | 20425000 | | |
|
ANNUAL MEAN | 64330 | | 55960 | | 48770 |
|
HIGHEST ANNUAL MEAN | | | | | 94690 | 1882
|
LOWEST ANNUAL MEAN | | | | | 18870 | 1934
|
HIGHEST DAILY MEAN | 237000 | Apr 19 | 178000 | Apr 11,12 | 307000 | Apr 28 1965
|
LOWEST DAILY MEAN | 24100 | Nov 25 | 18000 | Jan 16,17 | 6500 | Dec 25 1933
|
ANNUAL SEVEN-DAY MINIMUM | 28800 | Dec 25 | 20300 | Jan 13 | 7430 | Dec 24 1933
|
INSTANTANEOUS PEAK FLOW | | | 178000 | Apr 11,12 | |
|
INSTANTANEOUS PEAK STAGE | | | 18.21 | Apr 11,12 | 24.65 | Apr 28 1965
|
ANNUAL RUNOFF (AC-FT) | 46570000 | | 40510000 | | 35330000 |
|
ANNUAL RUNOFF (CFSM) | .75 | | .65 | | .57 |
|
ANNUAL RUNOFF (INCHES) | 10.20 | | 8.88 | | 7.74 |
|
10 PERCENT EXCEEDS | 113000 | | 105000 | | 94300 |
|
50 PERCENT EXCEEDS | 51400 | | 42600 | | 37500 |
|
90 PERCENT EXCEEDS | 35300 | | 28200 | | 19000 |
|