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 | 587 | 644 | 596 | 623 | e620 | 1340 | 2630 | 1970 | 1480 | 2790 | 1050 | 1050 |
2 | 586 | 644 | 624 | 675 | 655 | 1390 | 3210 | 1900 | 1450 | 2780 | 1020 | 971 |
3 | 582 | 644 | 646 | 704 | 679 | 1340 | 3410 | 1890 | 1450 | 2760 | 1010 | 942 |
4 | 575 | 641 | 633 | 774 | 698 | 1260 | 3630 | 1870 | 1380 | 2690 | 1010 | 930 |
5 | 569 | 638 | 622 | 863 | 683 | 1180 | 3950 | 1850 | 1320 | 2460 | 1050 | 917 |
6 | 564 | 647 | 616 | 945 | 651 | 1120 | 4150 | 1830 | 1270 | 2270 | 1260 | 908 |
7 | 557 | 654 | 602 | 1030 | 629 | 1070 | 4110 | 1820 | 1240 | 2310 | 1560 | 896 |
8 | 556 | 660 | 589 | 1050 | 611 | 1100 | 3910 | 1880 | 1220 | 2430 | 1610 | 880 |
9 | 550 | 659 | 577 | 976 | 604 | 1260 | 3740 | 1920 | 1230 | 2280 | 1490 | 863 |
10 | 550 | 649 | 578 | 846 | 602 | 1190 | 3500 | 1950 | 1260 | 2050 | 1360 | 852 |
11 | 555 | 633 | 581 | 711 | 636 | 1080 | 3270 | 1950 | 1340 | 1850 | 1230 | 829 |
12 | 565 | 620 | 582 | e560 | 834 | 954 | 3060 | 1860 | 1550 | 1710 | 1140 | 811 |
13 | 584 | 612 | 572 | e620 | 917 | 921 | 2870 | 1830 | 1660 | 1600 | 1100 | 806 |
14 | 599 | 606 | 558 | e660 | 926 | 960 | 2730 | 1780 | 1760 | 1520 | 1060 | 892 |
15 | 617 | 602 | 533 | e640 | 903 | 980 | 2600 | 1690 | 1710 | 1450 | 1040 | 1280 |
16 | 634 | 597 | 511 | e610 | 867 | 953 | 2540 | 1620 | 1590 | 1400 | 1020 | 1620 |
17 | 621 | 583 | 559 | e600 | 862 | 923 | 2640 | 1560 | 1570 | 1360 | 1030 | 1730 |
18 | 595 | 580 | 573 | e580 | 894 | 960 | 2690 | 1530 | 1540 | 1310 | 1030 | 1620 |
19 | 580 | 579 | 568 | e570 | 923 | 1110 | 2720 | 1500 | 1980 | 1330 | 1030 | 1380 |
20 | 575 | 570 | 566 | e560 | 921 | 1230 | 2740 | 1460 | 2410 | 1340 | 1020 | 1190 |
21 | 571 | 578 | 565 | e560 | 885 | 1290 | 2780 | 1410 | 2550 | 1330 | 1020 | 1080 |
22 | 567 | 581 | 561 | e550 | 845 | 1290 | 2820 | 1380 | 2580 | 1360 | 1000 | 1030 |
23 | 565 | 576 | 552 | e550 | 817 | 1260 | 2760 | 1340 | 2590 | 1380 | 974 | 989 |
24 | 566 | 556 | 551 | e550 | 802 | 1230 | 2610 | 1400 | 2510 | 1350 | 979 | 963 |
25 | 573 | 538 | 566 | e540 | 804 | 1200 | 2440 | 1530 | 2260 | 1270 | 1040 | 947 |
26 | 583 | 553 | 572 | e540 | 809 | 1180 | 2300 | 1610 | 2220 | 1210 | 1080 | 946 |
27 | 601 | 600 | 549 | e540 | 942 | 1160 | 2230 | 1620 | 2150 | 1160 | 1040 | 955 |
28 | 606 | 608 | 541 | e540 | 1220 | 1150 | 2180 | 1540 | 2300 | 1140 | 1060 | 942 |
29 | 615 | 590 | 576 | e550 | --- | 1150 | 2120 | 1490 | 2680 | 1120 | 1120 | 918 |
30 | 629 | 584 | 605 | e560 | --- | 1120 | 2050 | 1470 | 2790 | 1100 | 1130 | 897 |
31 | 629 | --- | 624 | e590 | --- | 1620 | --- | 1500 | --- | 1070 | 1120 | --- |
TOTAL | 18106 | 18226 | 17948 | 20667 | 22239 | 35971 | 88390 | 51950 | 55040 | 53180 | 34683 | 31034 |
MEAN | 584 | 608 | 579 | 667 | 794 | 1160 | 2946 | 1676 | 1835 | 1715 | 1119 | 1034 |
MAX | 634 | 660 | 646 | 1050 | 1220 | 1620 | 4150 | 1970 | 2790 | 2790 | 1610 | 1730 |
MIN | 550 | 538 | 511 | 540 | 602 | 921 | 2050 | 1340 | 1220 | 1070 | 974 | 806 |
CFSM | .44 | .46 | .44 | .50 | .60 | .88 | 2.22 | 1.26 | 1.38 | 1.29 | .84 | .78 |
IN. | .51 | .51 | .50 | .58 | .62 | 1.01 | 2.48 | 1.46 | 1.54 | 1.49 | .97 | .87 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 686 | 745 | 683 | 756 | 1123 | 1779 | 1213 | 977 | 976 | 896 | 704 | 750 |
MAX | 2654 | 2773 | 1807 | 2817 | 3992 | 4915 | 3539 | 3931 | 3172 | 6423 | 2279 | 3011 |
(WY) | 1928 | 1962 | 1983 | 1973 | 1938 | 1929 | 1993 | 1973 | 1993 | 1993 | 1993 | 1938 |
MIN | 228 | 258 | 201 | 163 | 282 | 356 | 396 | 232 | 266 | 211 | 233 | 218 |
(WY) | 1965 | 1965 | 1959 | 1959 | 1964 | 1957 | 1957 | 1934 | 1934 | 1936 | 1934 | 1958 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1914 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 385142 | 447434 | ||||
ANNUAL MEAN | 1055 | 1226 | 940 | |||
HIGHEST ANNUAL MEAN | 2452 | 1993 | ||||
LOWEST ANNUAL MEAN | 373 | 1964 | ||||
HIGHEST DAILY MEAN | 10300 | Feb 22 | 4150 | Apr 6 | 17000 | Mar 28 1916 |
LOWEST DAILY MEAN | 511 | Dec 16 | 511 | Dec 16 | 118 | Aug 4 1936 |
ANNUAL SEVEN-DAY MINIMUM | 553 | Dec 14 | 544 | Jan 22 | 150 | Dec 18 1964 |
INSTANTANEOUS PEAK FLOW | 4170 | Apr 6 | 18400 | Mar 16 1929 | ||
INSTANTANEOUS PEAK STAGE | 13.04 | Apr 6 | 19.76 A | Mar 16 1929 | ||
INSTANTANEOUS LOW FLOW | 504 | Dec 16 | 82 B | Dec 11 1957 | ||
ANNUAL RUNOFF (CFSM) | .80 | .92 | .71 | |||
ANNUAL RUNOFF (INCHES) | 10.80 | 12.55 | 9.63 | |||
10 PERCENT EXCEEDS | 1400 | 2430 | 1760 | |||
50 PERCENT EXCEEDS | 745 | 1020 | 651 | |||
90 PERCENT EXCEEDS | 571 | 567 | 312 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |