DISCHARGE: February 1908 to December 1912, August 1914 to current year. Monthly discharge only for some periods, published in WSP 1308. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1978-91. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 53 | 63 | 62 | 650 | 93 | 522 | 398 | 123 | 350 | 1110 | 968 | 646 |
2 | 51 | 72 | 62 | 659 | 98 | 464 | 323 | 111 | 271 | 996 | 895 | 645 |
3 | 49 | 87 | 64 | 687 | 94 | 403 | 248 | 104 | 214 | 1140 | 1120 | 638 |
4 | 49 | 104 | 63 | 728 | 88 | 385 | 192 | 99 | 182 | 1280 | 1370 | 631 |
5 | 47 | 76 | 69 | 776 | 87 | 375 | 162 | 113 | 158 | 2360 | 1060 | 624 |
6 | 46 | 63 | 70 | 767 | 80 | 359 | 135 | 103 | e160 | 5780 | 2030 | 620 |
7 | 46 | 56 | 73 | 755 | 79 | 340 | 152 | 637 | e148 | 8730 | 2090 | 622 |
8 | 74 | 56 | 74 | 744 | 80 | 301 | 549 | 1350 | e141 | 9950 | 1340 | 725 |
9 | 75 | 63 | 74 | 751 | 78 | 221 | 459 | 632 | e135 | 5660 | 1200 | 800 |
10 | 81 | 62 | 91 | 753 | 80 | 160 | 275 | 359 | e126 | 2110 | 877 | 941 |
11 | 73 | 61 | 84 | 747 | 81 | 139 | 204 | 289 | e132 | 1770 | 602 | 2920 |
12 | 60 | 62 | 86 | 741 | 82 | 135 | 171 | 230 | e262 | 1650 | 487 | 2500 |
13 | 49 | 61 | 79 | 737 | 84 | 138 | 146 | 580 | 214 | 1490 | 667 | 1200 |
14 | 43 | 63 | 87 | 734 | 79 | 151 | 133 | 415 | e421 | 1460 | 752 | 904 |
15 | 42 | 62 | 105 | 733 | 78 | 160 | 126 | 234 | e572 | 1490 | 762 | 827 |
16 | 41 | 61 | 150 | 684 | 73 | 151 | 123 | 157 | e715 | 1470 | 694 | 842 |
17 | 43 | 61 | 127 | 668 | 103 | 140 | 179 | 126 | 4050 | 1430 | 652 | 876 |
18 | 45 | 62 | 272 | 665 | 270 | 128 | 295 | 311 | e3890 | 1290 | 698 | 862 |
19 | 44 | 62 | 429 | 661 | 499 | 145 | 250 | 610 | 1240 | 1920 | 698 | 851 |
20 | 42 | 61 | 450 | 602 | 465 | 1020 | 203 | 273 | 605 | 1800 | 631 | 838 |
21 | 40 | 62 | 459 | 506 | 379 | 1290 | 231 | 170 | 2660 | 1050 | 589 | 820 |
22 | 41 | 63 | 467 | 416 | 333 | 630 | 267 | 129 | 4070 | 1200 | 596 | 730 |
23 | 53 | 66 | 525 | 365 | 313 | 507 | 208 | 135 | 1950 | 1260 | 1210 | 694 |
24 | 55 | 66 | 556 | 224 | 350 | 506 | 222 | 632 | 4870 | 1290 | 3180 | 691 |
25 | 56 | 66 | 566 | 187 | 433 | 522 | 375 | 363 | 7540 | 1320 | 1930 | 980 |
26 | 56 | 66 | 573 | 170 | 479 | 526 | 331 | 189 | 7810 | 1310 | 848 | 2660 |
27 | 58 | 65 | 580 | 175 | 588 | 535 | 237 | 1800 | 8150 | 1280 | 664 | 1640 |
28 | 59 | 52 | 580 | 149 | 650 | 555 | 189 | 3710 | 5780 | 1040 | 545 | 1110 |
29 | 59 | 51 | 590 | 129 | 558 | 541 | 159 | 1520 | 2280 | 1050 | 548 | 1120 |
30 | 63 | 61 | 639 | 108 | --- | 518 | 138 | 674 | 1380 | 1900 | 586 | 1350 |
31 | 64 | --- | 648 | 102 | --- | 463 | --- | 465 | --- | 1250 | 632 | --- |
TOTAL | 1657 | 1936 | 8754 | 16773 | 6754 | 12430 | 7080 | 16643 | 60476 | 68836 | 30921 | 31307 |
MEAN | 53.5 | 64.5 | 282 | 541 | 233 | 401 | 236 | 537 | 2016 | 2221 | 997 | 1044 |
MAX | 81 | 104 | 648 | 776 | 650 | 1290 | 549 | 3710 | 8150 | 9950 | 3180 | 2920 |
MIN | 40 | 51 | 62 | 102 | 73 | 128 | 123 | 99 | 126 | 996 | 487 | 620 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 581 | 961 | 1999 | 2400 | 2686 | 3009 | 2538 | 1939 | 1745 | 1310 | 901 | 580 |
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 | 233 | 401 | 236 | 165 | 61.9 | 48.7 | 50.5 | 30.2 |
(WY) | 1988 | 1977 | 1977 | 1977 | 2000 | 2000 | 2000 | 1987 | 1988 | 1988 | 1976 | 1976 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1970 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 560976 | 263567 | ||||
ANNUAL MEAN | 1537 | 720 | 1716 | |||
HIGHEST ANNUAL MEAN | 3415 | 1974 | ||||
LOWEST ANNUAL MEAN | 583 | 1977 | ||||
HIGHEST DAILY MEAN | 18200 | Feb 9 | 9950 | Jul 8 | 23900 | Apr 30 1996 |
LOWEST DAILY MEAN | 40 | Oct 21 | 40 | Oct 21 | 17 | A |
ANNUAL SEVEN-DAY MINIMUM | 42 | Oct 16 | 42 | Oct 16 | 17 | Dec 23 1976 |
INSTANTANEOUS PEAK FLOW | 10500 | Jul 8 | 30000 B | Jun 16 1970 | ||
INSTANTANEOUS PEAK STAGE | 21.18 | Jul 8 | 27.41 | Apr 30 1996 | ||
INSTANTANEOUS LOW FLOW | 39 | Oct 21,22 | ||||
10 PERCENT EXCEEDS | 3960 | 1460 | 4360 | |||
50 PERCENT EXCEEDS | 991 | 377 | 1010 | |||
90 PERCENT EXCEEDS | 54 | 62 | 73 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |