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 | 98 | 57 | 95 | e1500 | 9570 | 2980 | 580 | 2330 | 1350 | 1180 | 1220 | 93 |
2 | 94 | 78 | 95 | e1350 | 10000 | 2240 | 555 | 2130 | 3710 | 1480 | 1110 | 90 |
3 | 89 | 149 | 98 | 1710 | 8490 | 1970 | 528 | 1950 | 5860 | 1420 | 950 | 88 |
4 | 87 | 232 | 97 | 1780 | 6550 | 1790 | 522 | 1740 | 7780 | 1420 | 837 | 81 |
5 | 88 | 224 | 94 | e1600 | 5250 | 1690 | 520 | 1720 | 6870 | 1420 | 725 | 70 |
6 | 101 | 162 | 94 | e1400 | 4430 | 1770 | 773 | 3330 | 3540 | 1480 | 637 | 65 |
7 | 123 | 125 | 100 | e1300 | 7710 | 1660 | 1020 | 4480 | 1990 | 1500 | 525 | 63 |
8 | 109 | 103 | 98 | e1000 | 17800 | 1450 | 615 | 2500 | 1600 | 1340 | 421 | 61 |
9 | 98 | 99 | 97 | e750 | 18200 | 1600 | 1130 | 1750 | 1510 | 1340 | 304 | 61 |
10 | 87 | 195 | 91 | e600 | 11300 | 2460 | 1150 | 1550 | 1480 | 2540 | 227 | 57 |
11 | 81 | 518 | 88 | e500 | 7820 | 2130 | 687 | 1400 | 1520 | 2320 | 180 | 55 |
12 | 78 | 466 | 87 | e450 | 6300 | 1720 | 551 | 1250 | 3450 | 1180 | 159 | 55 |
13 | 75 | 271 | 83 | e400 | 5610 | 1500 | 492 | 2540 | 4390 | 1270 | 150 | 55 |
14 | 73 | 187 | 72 | e370 | 4700 | 1340 | 466 | 3890 | 5760 | 1430 | 142 | 54 |
15 | 71 | 150 | 74 | e350 | 4020 | 1280 | 895 | 2200 | 4710 | 1420 | 134 | 52 |
16 | 72 | 129 | 79 | e360 | 3730 | 1300 | 2850 | 1740 | 2470 | 1320 | 123 | 50 |
17 | 80 | 118 | 120 | e500 | 3610 | 1290 | 3190 | 1510 | 2000 | 1220 | 116 | 50 |
18 | 100 | 106 | 808 | e2800 | 3490 | 1270 | 2590 | 1270 | 1850 | 1110 | 111 | 49 |
19 | 92 | 99 | 1010 | 4890 | 3360 | 1220 | 2300 | 1030 | 1740 | 1020 | 106 | 49 |
20 | 89 | 98 | 1050 | 4010 | 3260 | 1190 | 2080 | 1050 | 1450 | 989 | 109 | 50 |
21 | 82 | 94 | 1070 | 4020 | 3180 | 1120 | 1940 | 1030 | 1290 | 966 | 238 | 48 |
22 | 77 | 90 | 1140 | 6970 | 3110 | 1090 | 1840 | 1150 | 1260 | 887 | 277 | 47 |
23 | 74 | 88 | 1450 | 9180 | 3080 | 1090 | 1540 | 1230 | 1300 | 874 | 206 | 47 |
24 | 73 | 88 | e1600 | 11900 | 3070 | 1090 | 1380 | 1050 | 1340 | 1210 | 175 | 47 |
25 | 71 | 86 | e1750 | 10300 | 2970 | 1050 | 1430 | 1100 | 1540 | 1490 | 148 | 47 |
26 | 70 | 89 | e1800 | 7680 | 2770 | 950 | 1410 | 1280 | 1470 | 1530 | 125 | 48 |
27 | 68 | 90 | e1800 | 5430 | 2820 | 853 | 1540 | 1340 | 1340 | 1520 | 115 | 46 |
28 | 66 | 90 | e1800 | 4810 | 3850 | 764 | 3930 | 1250 | 1230 | 1460 | 108 | 46 |
29 | 61 | 90 | e1800 | 4550 | --- | 734 | 4350 | 1080 | 1090 | 1450 | 102 | 54 |
30 | 64 | 95 | e1700 | 4320 | --- | 718 | 2940 | 1030 | 991 | 1430 | 98 | 51 |
31 | 65 | --- | e1600 | 5950 | --- | 648 | --- | 1060 | --- | 1340 | 94 | --- |
TOTAL | 2556 | 4466 | 21940 | 102730 | 170050 | 43957 | 45794 | 53960 | 77881 | 42556 | 9972 | 1729 |
MEAN | 82.5 | 149 | 708 | 3314 | 6073 | 1418 | 1526 | 1741 | 2596 | 1373 | 322 | 57.6 |
MAX | 123 | 518 | 1800 | 11900 | 18200 | 2980 | 4350 | 4480 | 7780 | 2540 | 1220 | 93 |
MIN | 61 | 57 | 72 | 350 | 2770 | 648 | 466 | 1030 | 991 | 874 | 94 | 46 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 598 | 991 | 2056 | 2462 | 2770 | 3096 | 2614 | 1986 | 1736 | 1280 | 898 | 564 |
MAX | 3349 | 5459 | 5783 | 7027 | 6884 | 7565 | 6462 | 8080 | 5486 | 3122 | 2599 | 3366 |
(WY) | 1970 | 1994 | 1986 | 1993 | 1982 | 1979 | 1979 | 1996 | 1974 | 1974 | 1974 | 1993 |
MIN | 34.3 | 39.1 | 20.6 | 19.0 | 347 | 517 | 286 | 165 | 61.9 | 48.7 | 50.5 | 30.2 |
(WY) | 1988 | 1977 | 1977 | 1977 | 1978 | 1981 | 1986 | 1987 | 1988 | 1988 | 1976 | 1976 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1970 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 767724 | 577591 | ||||
ANNUAL MEAN | 2103 | 1582 | 1750 | |||
HIGHEST ANNUAL MEAN | 3415 | 1974 | ||||
LOWEST ANNUAL MEAN | 583 | 1977 | ||||
HIGHEST DAILY MEAN | 15600 | Mar 22 | 18200 | Feb 9 | 23900 | Apr 30 1996 |
LOWEST DAILY MEAN | 57 | Nov 1 | 46 | Sep 27,28 | 17 | A |
ANNUAL SEVEN-DAY MINIMUM | 64 | Oct 26 | 47 | Sep 22 | 17 | Dec 23 1976 |
INSTANTANEOUS PEAK FLOW | 21800 | Feb 8 | 30000 B | Jun 16 1970 | ||
INSTANTANEOUS PEAK STAGE | 26.41 | Feb 8 | 27.41 | Apr 30 1996 | ||
INSTANTANEOUS LOW FLOW | 42 | Sep 27,28 | ||||
10 PERCENT EXCEEDS | 4950 | 3960 | 4440 | |||
50 PERCENT EXCEEDS | 1750 | 1070 | 1050 | |||
90 PERCENT EXCEEDS | 90 | 72 | 75 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |