DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 578 | 614 | 1130 | 811 | e1300 | 2890 | 4020 | 3720 | 1660 | 2810 | 631 | 880 |
2 | 615 | 592 | 1110 | 941 | 1900 | 2740 | 4800 | 3250 | 1590 | 2660 | 603 | 834 |
3 | 612 | 643 | 1070 | 1020 | 2290 | 2630 | 4750 | 3090 | 1410 | 2510 | 571 | 798 |
4 | 554 | 777 | 1080 | 1360 | 2310 | 2550 | 4430 | 3030 | 1330 | 3730 | 716 | 777 |
5 | 496 | 860 | 1060 | 2180 | 2210 | 2360 | 4060 | 2900 | 1280 | 3980 | 2000 | 734 |
6 | 448 | 878 | 1050 | 2790 | 2170 | 2240 | 3790 | 3000 | 1290 | 3210 | 1490 | 719 |
7 | 428 | 926 | 1020 | 3750 | 2150 | 2110 | 3470 | 6570 | 1270 | 3340 | 1260 | 869 |
8 | 443 | 937 | 1010 | 4600 | 2160 | 2290 | 3910 | 12200 | 1220 | 3560 | 1640 | 1420 |
9 | 459 | 944 | 1010 | 4420 | 2130 | 4070 | 5680 | 10200 | 1360 | 2970 | 1800 | 1080 |
10 | 461 | 905 | 1010 | 3730 | 2070 | 3930 | 5810 | 7530 | 1820 | 2450 | 1760 | 895 |
11 | 426 | 897 | 1030 | 2900 | 2600 | 3320 | 5050 | 6250 | 2500 | 2150 | 1680 | 784 |
12 | 451 | 890 | 989 | e2600 | 4450 | 2920 | 4530 | 5530 | 4330 | 1830 | 1630 | 697 |
13 | 503 | 884 | 919 | e2400 | 4080 | 2730 | 4150 | 7160 | 3510 | 1610 | 1590 | 655 |
14 | 615 | 843 | 825 | e2200 | 3590 | 2530 | 4010 | 6260 | 2770 | 1390 | 1470 | 669 |
15 | 582 | 809 | 854 | e2000 | 3330 | 2360 | 3790 | 5240 | 2500 | 1190 | 1400 | 773 |
16 | 493 | 845 | 813 | e1800 | 3180 | 2280 | 4600 | 4700 | 4250 | 1030 | 1390 | 1060 |
17 | 509 | 847 | 770 | e1700 | 3250 | 2810 | 5960 | 3860 | 4060 | 967 | 1370 | 967 |
18 | 514 | 794 | 749 | e1550 | 3300 | 5960 | 5290 | 3450 | 3160 | 932 | 1290 | 903 |
19 | 502 | 808 | 731 | e1480 | 3190 | 6820 | 4890 | 3100 | 4360 | 838 | 1210 | 969 |
20 | 470 | 866 | 725 | e1430 | 3060 | 5740 | 4700 | 2840 | 3570 | 938 | 1020 | 937 |
21 | 471 | 938 | 735 | e1400 | 2970 | 4800 | 5410 | 2810 | 2700 | 910 | 985 | 882 |
22 | 484 | 965 | 732 | e1400 | 2860 | 4090 | 5810 | 2180 | 2280 | 830 | 836 | 827 |
23 | 484 | 941 | 756 | e1390 | 2800 | 3610 | 5310 | 2010 | 2060 | 809 | 749 | 792 |
24 | 491 | 911 | 782 | e1380 | 2800 | 3260 | 4860 | 1980 | 1900 | 784 | 756 | 704 |
25 | 525 | 923 | 929 | e1370 | 2740 | 2840 | 4520 | 1920 | 1740 | 796 | 781 | 592 |
26 | 593 | 900 | 959 | e1350 | 2680 | 2560 | 4380 | 1760 | 1710 | 649 | 1230 | 559 |
27 | 894 | 933 | 845 | e1330 | 2940 | 2320 | 4630 | 1680 | 2430 | 723 | 978 | 496 |
28 | 1050 | 1030 | 849 | e1320 | 3050 | 2220 | 4340 | 1570 | 2540 | 687 | 965 | 479 |
29 | 798 | 1040 | 893 | e1310 | --- | 2160 | 4110 | 1530 | 3060 | 654 | 1140 | 495 |
30 | 665 | 1040 | 862 | e1310 | --- | 2050 | 3980 | 1530 | 3070 | 638 | 1030 | 578 |
31 | 645 | --- | 758 | e1300 | --- | 2190 | --- | 1660 | --- | 642 | 927 | --- |
TOTAL | 17259 | 26180 | 28055 | 60522 | 77560 | 97380 | 139040 | 124510 | 72730 | 52217 | 36898 | 23824 |
MEAN | 557 | 873 | 905 | 1952 | 2770 | 3141 | 4635 | 4016 | 2424 | 1684 | 1190 | 794 |
MAX | 1050 | 1040 | 1130 | 4600 | 4450 | 6820 | 5960 | 12200 | 4360 | 3980 | 2000 | 1420 |
MIN | 426 | 592 | 725 | 811 | 1300 | 2050 | 3470 | 1530 | 1220 | 638 | 571 | 479 |
CFSM | .21 | .33 | .34 | .74 | 1.05 | 1.19 | 1.75 | 1.52 | .92 | .64 | .45 | .30 |
IN. | .24 | .37 | .39 | .85 | 1.09 | 1.37 | 1.96 | 1.75 | 1.02 | .74 | .52 | .34 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 1114 | 1471 | 1491 | 1468 | 2022 | 3304 | 3281 | 2404 | 1859 | 1252 | 931 | 970 |
MAX | 5239 | 5444 | 7695 | 4941 | 5461 | 11290 | 9157 | 7575 | 6189 | 5988 | 4909 | 5141 |
(WY) | 1955 | 1986 | 1983 | 1960 | 1997 | 1979 | 1979 | 1974 | 1996 | 1996 | 1924 | 1972 |
MIN | 141 | 329 | 364 | 335 | 338 | 412 | 418 | 217 | 267 | 174 | 153 | 186 |
(WY) | 1957 | 1954 | 1940 | 1940 | 1934 | 1934 | 1934 | 1934 | 1934 | 1934 | 1934 | 1946 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1915 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 675981 | 756175 | ||||
ANNUAL MEAN | 1852 | 2072 | 1796 | |||
HIGHEST ANNUAL MEAN | 3940 | 1993 | ||||
LOWEST ANNUAL MEAN | 330 | 1934 | ||||
HIGHEST DAILY MEAN | 33100 | Feb 22 | 12200 | May 8 | 46600 | Jul 19 1996 |
LOWEST DAILY MEAN | 426 | Oct 11 | 426 | Oct 11 | 1.0 A | Aug 29 1934 |
ANNUAL SEVEN-DAY MINIMUM | 445 | Oct 6 | 445 | Oct 6 | 120 | Oct 8 1956 |
INSTANTANEOUS PEAK FLOW | 12900 | May 8 | 55400 B | Jul 19 1996 | ||
INSTANTANEOUS PEAK STAGE | 13.15 | May 8 | 36.47 C | Jan 25 1960 | ||
INSTANTANEOUS LOW FLOW | 48 | Sep 30 | ||||
ANNUAL RUNOFF (CFSM) | .70 | .78 | .68 | |||
ANNUAL RUNOFF (INCHES) | 9.52 | 10.65 | 9.23 | |||
10 PERCENT EXCEEDS | 2780 | 4370 | 4060 | |||
50 PERCENT EXCEEDS | 1330 | 1400 | 1170 | |||
90 PERCENT EXCEEDS | 598 | 625 | 372 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |