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 | 27 | 45 | 192 | 201 | 956 | 936 | 1630 | 5410 | 622 | 999 | 55 | 23 |
2 | 27 | 45 | 151 | 215 | 1090 | 842 | 1610 | 4470 | 575 | 719 | 53 | 21 |
3 | 27 | 47 | 138 | 242 | 988 | 767 | 1420 | 2780 | 543 | 585 | 50 | 20 |
4 | 25 | 44 | 138 | 286 | 874 | 704 | 1280 | 2200 | 518 | 518 | 51 | 18 |
5 | 25 | 42 | 123 | 558 | 780 | 636 | 1250 | 2500 | 499 | 555 | 59 | 17 |
6 | 23 | 55 | 111 | 961 | 688 | 587 | 1170 | 3000 | 476 | 545 | 64 | 18 |
7 | 21 | 101 | 102 | 1090 | 621 | 564 | 1090 | 4490 | 455 | 854 | 59 | 17 |
8 | 21 | 108 | 94 | 1610 | 572 | 829 | 1490 | 7530 | 428 | 1260 | 53 | 14 |
9 | 21 | 95 | 94 | 2170 | 531 | 1940 | 1590 | 11700 | 608 | 901 | 49 | 12 |
10 | 21 | 84 | 102 | 1950 | 508 | 2380 | 1450 | 6860 | 828 | 620 | 44 | 12 |
11 | 21 | 75 | 95 | 1370 | 1230 | 1940 | 1250 | 3210 | 1140 | 476 | 41 | 11 |
12 | 21 | 67 | 85 | 1070 | 2660 | 1510 | 1130 | 2280 | 2770 | 382 | 37 | 12 |
13 | 27 | 62 | 83 | 879 | 1920 | 1280 | 1080 | 2250 | e2300 | 323 | 35 | 13 |
14 | 36 | 64 | 84 | 764 | 1430 | 1200 | 1180 | 1830 | e2100 | 286 | 34 | 14 |
15 | 36 | 63 | 86 | 715 | 1190 | 1140 | 1130 | 1490 | e1900 | 251 | 32 | 17 |
16 | 33 | 57 | 79 | 629 | 1050 | 1070 | 1240 | 1330 | 2090 | 220 | 33 | 19 |
17 | 31 | 51 | 79 | 553 | 1010 | 2190 | 1060 | 1140 | e3000 | 184 | 29 | 15 |
18 | 26 | 49 | 82 | 490 | 1090 | 7610 | 922 | 1030 | e3400 | 162 | 91 | 15 |
19 | 28 | 51 | 88 | 430 | 1190 | 7710 | 838 | 956 | 2600 | 147 | 82 | 14 |
20 | 26 | 50 | 104 | 386 | 1130 | 5880 | 819 | 914 | 1890 | 136 | 58 | 14 |
21 | 25 | 48 | 114 | 418 | 1020 | 4540 | 1020 | 865 | 1520 | 125 | 48 | 12 |
22 | 24 | 48 | 126 | 381 | 931 | 4980 | 1470 | 824 | 1250 | 131 | 41 | 12 |
23 | 23 | 46 | 137 | 361 | 869 | 4780 | 1290 | 843 | 1130 | 147 | 36 | 10 |
24 | 28 | 43 | 155 | 342 | 814 | 3360 | 1090 | 1130 | 1000 | 118 | 32 | 11 |
25 | 28 | 42 | 250 | 323 | 747 | 2240 | 975 | 1230 | 894 | 103 | 29 | 14 |
26 | 29 | 42 | 340 | 312 | 732 | 1900 | 903 | 1020 | 778 | 92 | 27 | 11 |
27 | e40 | 45 | 343 | 305 | 951 | 1620 | 768 | 861 | 698 | 84 | 25 | 10 |
28 | 52 | 55 | 286 | 313 | 1050 | 1670 | 675 | 785 | 615 | 77 | 27 | 11 |
29 | 49 | 157 | 282 | 451 | --- | 1910 | 760 | 735 | 545 | 72 | 28 | 10 |
30 | 48 | 186 | 236 | 688 | --- | 1770 | 1690 | 766 | 855 | 67 | 26 | 9.9 |
31 | 45 | --- | 191 | 729 | --- | 1580 | --- | 728 | --- | 61 | 25 | --- |
TOTAL | 914 | 1967 | 4570 | 21192 | 28622 | 72065 | 35270 | 77157 | 38027 | 11200 | 1353 | 426.9 |
MEAN | 29.5 | 65.6 | 147 | 684 | 1022 | 2325 | 1176 | 2489 | 1268 | 361 | 43.6 | 14.2 |
MAX | 52 | 186 | 343 | 2170 | 2660 | 7710 | 1690 | 11700 | 3400 | 1260 | 91 | 23 |
MIN | 21 | 42 | 79 | 201 | 508 | 564 | 675 | 728 | 428 | 61 | 25 | 9.9 |
CFSM | .04 | .09 | .19 | .89 | 1.33 | 3.03 | 1.53 | 3.25 | 1.65 | .47 | .06 | .02 |
IN. | .04 | .10 | .22 | 1.03 | 1.39 | 3.50 | 1.71 | 3.74 | 1.84 | .54 | .07 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 201 | 280 | 410 | 477 | 626 | 959 | 1074 | 896 | 762 | 377 | 185 | 233 |
MAX | 2765 | 3340 | 4062 | 2808 | 2089 | 3157 | 3136 | 4216 | 3322 | 2687 | 2734 | 4330 |
(WY) | 1987 | 1986 | 1983 | 1993 | 1951 | 1979 | 1973 | 1995 | 1974 | 1951 | 1981 | 1993 |
MIN | .59 | 2.47 | 2.40 | 6.01 | 14.9 | 68.1 | 99.7 | 114 | 21.6 | 6.09 | 1.22 | 1.84 |
(WY) | 1957 | 1964 | 1964 | 1945 | 1963 | 1956 | 1977 | 1958 | 1963 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1945 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 120906 | 292763.9 | ||||
ANNUAL MEAN | 331 | 802 | 539 | |||
HIGHEST ANNUAL MEAN | 1672 | 1993 | ||||
LOWEST ANNUAL MEAN | 78.2 | 1989 | ||||
HIGHEST DAILY MEAN | 6320 | Feb 27 | 11700 | May 9 | 34000 | Dec 4 1982 |
LOWEST DAILY MEAN | 14 | Aug 8 | 9.9 | Sep 30 | .20 | A |
ANNUAL SEVEN-DAY MINIMUM | 19 | Aug 3 | 11 | Sep 24 | .20 | Oct 27 1956 |
INSTANTANEOUS PEAK FLOW | 13100 | May 9 | 44800 | Dec 4 1982 | ||
INSTANTANEOUS PEAK STAGE | 16.42 | May 9 | 20.21 B | Dec 4 1982 | ||
INSTANTANEOUS LOW FLOW | 8.7 | Sep 30 | .20 | C | ||
ANNUAL RUNOFF (CFSM) | .43 | 1.05 | .70 | |||
ANNUAL RUNOFF (INCHES) | 5.86 | 14.20 | 9.54 | |||
10 PERCENT EXCEEDS | 689 | 1910 | 1290 | |||
50 PERCENT EXCEEDS | 113 | 381 | 189 | |||
90 PERCENT EXCEEDS | 30 | 23 | 12 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |