DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 20 | 45 | 21 | e25 | 2370 | 1020 | 453 | 1700 | 732 | 504 | 38 | 13 |
2 | 19 | 52 | 20 | e29 | 2670 | 862 | 455 | 1470 | 1350 | 556 | 28 | 12 |
3 | 18 | 43 | 22 | e36 | 2630 | 700 | 444 | 1310 | 1110 | 663 | 23 | 12 |
4 | 19 | 31 | 23 | e34 | 2150 | 841 | 437 | 1180 | 1130 | 565 | 21 | 11 |
5 | 20 | 25 | 21 | e32 | 1650 | 887 | 407 | 1080 | 1470 | 440 | 19 | 10 |
6 | 35 | 22 | 29 | e32 | 1310 | 781 | 402 | 1060 | 1510 | 368 | 18 | 9.8 |
7 | 42 | 20 | 93 | e36 | 1150 | 865 | 374 | 1170 | 1190 | 322 | 17 | 9.1 |
8 | 40 | 20 | 123 | e35 | 1090 | 968 | 370 | 1150 | 936 | 288 | 20 | 9.4 |
9 | 31 | 22 | 89 | e34 | 1420 | 850 | 477 | 965 | 796 | 258 | 21 | 8.9 |
10 | 26 | 92 | 72 | e32 | 1880 | 751 | 499 | 844 | 715 | 230 | 21 | 8.6 |
11 | 24 | 85 | 60 | e31 | 1680 | 739 | 497 | 810 | 657 | 205 | 19 | 8.5 |
12 | 23 | 69 | 57 | e30 | 1360 | 625 | 462 | 1940 | 838 | 181 | 29 | 9.6 |
13 | 21 | 60 | 51 | e29 | 1120 | 579 | 443 | 4870 | 4030 | 158 | 44 | 11 |
14 | 18 | 50 | 46 | e29 | 913 | 570 | 423 | 5360 | 10400 | 140 | 49 | 8.8 |
15 | 19 | 47 | 43 | e28 | 808 | 598 | 482 | 3890 | 10100 | 125 | 36 | 9.1 |
16 | 20 | 45 | 39 | e28 | 726 | 731 | 4080 | 2910 | 4750 | 111 | 28 | 8.9 |
17 | 24 | 45 | 35 | e28 | 669 | 2280 | 9950 | 3400 | 2960 | 101 | 26 | 7.8 |
18 | 40 | 41 | 34 | e29 | 608 | 3120 | 9710 | 4680 | 2170 | 91 | 25 | 9.5 |
19 | 35 | 39 | 35 | e31 | 566 | 2120 | 6760 | 3070 | 1690 | 85 | 63 | 10 |
20 | 29 | 33 | 31 | e34 | 516 | 1500 | 4370 | 2270 | 1360 | 93 | 37 | 9.7 |
21 | 32 | 30 | 32 | e40 | 468 | 1210 | 3380 | 1860 | 1130 | 85 | 27 | 11 |
22 | 24 | 27 | 31 | e70 | 430 | 1020 | 3270 | 1740 | 993 | 41 | 21 | 9.2 |
23 | 22 | 23 | 25 | e350 | 411 | 871 | 4200 | 1500 | 894 | 54 | 19 | 8.3 |
24 | 20 | 21 | 21 | e2000 | 404 | 759 | 5080 | 1350 | 1050 | 73 | 38 | 7.6 |
25 | 20 | 18 | 22 | 4070 | 402 | 675 | 3620 | 1180 | 1510 | 70 | 25 | 8.3 |
26 | 19 | 20 | 25 | 3730 | 383 | 606 | 2680 | 1020 | 1050 | 63 | 26 | 8.1 |
27 | 24 | 19 | 26 | 3440 | 387 | 560 | 2210 | 893 | 818 | 51 | 26 | 8.4 |
28 | 57 | 18 | 27 | 5090 | 510 | 540 | 1950 | 798 | 691 | 46 | 20 | 42 |
29 | 32 | 18 | 26 | 4740 | --- | 520 | 1900 | 736 | 601 | 42 | 18 | 35 |
30 | 24 | 19 | e25 | 3480 | --- | 482 | 1930 | 698 | 516 | 36 | 15 | 19 |
31 | 22 | --- | e24 | 2590 | --- | 455 | --- | 678 | --- | 33 | 12 | --- |
TOTAL | 819 | 1099 | 1228 | 30222 | 30681 | 29085 | 71715 | 57582 | 59147 | 6078 | 829 | 353.6 |
MEAN | 26.4 | 36.6 | 39.6 | 975 | 1096 | 938 | 2390 | 1857 | 1972 | 196 | 26.7 | 11.8 |
MAX | 57 | 92 | 123 | 5090 | 2670 | 3120 | 9950 | 5360 | 10400 | 663 | 63 | 42 |
MIN | 18 | 18 | 20 | 25 | 383 | 455 | 370 | 678 | 516 | 33 | 12 | 7.6 |
CFSM | .02 | .03 | .03 | .78 | .88 | .75 | 1.91 | 1.48 | 1.58 | .16 | .02 | .01 |
IN. | .02 | .03 | .04 | .90 | .91 | .86 | 2.13 | 1.71 | 1.76 | .18 | .02 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1972 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 456 | 769 | 1059 | 960 | 1293 | 2151 | 1947 | 1661 | 1358 | 714 | 354 | 431 |
MAX | 3188 | 4978 | 6201 | 4259 | 3681 | 7649 | 5098 | 5152 | 4442 | 2966 | 2678 | 3997 |
(WY) | 1987 | 1986 | 1983 | 1993 | 1997 | 1979 | 1982 | 1995 | 1980 | 1993 | 1981 | 1993 |
MIN | 11.4 | 11.4 | 11.4 | 6.36 | 40.9 | 192 | 208 | 241 | 78.5 | 8.83 | 6.89 | 11.8 |
(WY) | 1972 | 1972 | 1977 | 1977 | 1977 | 1996 | 1977 | 1992 | 1988 | 1988 | 1988 | 1999 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1972 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 483909 | 288838.6 | ||||
ANNUAL MEAN | 1326 | 791 | 1094 | |||
HIGHEST ANNUAL MEAN | 2419 | 1993 | ||||
LOWEST ANNUAL MEAN | 280 | 1977 | ||||
HIGHEST DAILY MEAN | 16200 | May 9 | 10400 | Jun 14 | 30000 | Dec 4 1982 |
LOWEST DAILY MEAN | 12 | Sep 28 | 7.6 | Sep 24 | 2.6 | Aug 3 1988 |
ANNUAL SEVEN-DAY MINIMUM | 14 | Sep 23 | 8.7 | Sep 21 | 3.0 | Jul 30 1988 |
INSTANTANEOUS PEAK FLOW | 11900 | Jun 15 | 31800 | Dec 4 1982 | ||
INSTANTANEOUS PEAK STAGE | 17.34 | Jun 15 | 27.13 | Dec 4 1982 | ||
INSTANTANEOUS LOW FLOW | 7.1 | A | 2.6 | Aug 3 1988 | ||
ANNUAL RUNOFF (CFSM) | 1.06 | .63 | .87 | |||
ANNUAL RUNOFF (INCHES) | 14.39 | 8.59 | 11.89 | |||
10 PERCENT EXCEEDS | 3380 | 2230 | 2720 | |||
50 PERCENT EXCEEDS | 570 | 85 | 418 | |||
90 PERCENT EXCEEDS | 20 | 18 | 29 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |