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 | 532 | 757 | 1200 | e750 | 10000 | 3780 | 2530 | 10100 | 3450 | 5010 | 923 | 580 |
2 | 546 | 781 | 1230 | e950 | 9880 | 3730 | 2460 | 9200 | 4500 | 5630 | 828 | 562 |
3 | 540 | 1230 | 1170 | e850 | 9640 | 3700 | 2510 | 8490 | 5860 | 4460 | 773 | 545 |
4 | 531 | 2040 | 1160 | e780 | 8870 | 3960 | 2670 | 7930 | 7140 | 3860 | 732 | 528 |
5 | 561 | 2450 | 1140 | e700 | 8010 | 4010 | 3000 | 7210 | 9610 | 3400 | 708 | 513 |
6 | 570 | 2330 | 1150 | e750 | 7210 | 4350 | 2990 | 6750 | 10900 | 3110 | 695 | 496 |
7 | 619 | 2030 | 1180 | e850 | 7170 | 4570 | 3040 | 8010 | 9520 | 2900 | 694 | 484 |
8 | 625 | 1820 | 1220 | e800 | 10700 | 4170 | 3240 | 7740 | 9170 | 2680 | 697 | 473 |
9 | 642 | 1730 | 1170 | e760 | 12600 | 4030 | 3490 | 6680 | 8970 | 2330 | 772 | 461 |
10 | 603 | 1950 | 1130 | e730 | 12900 | 4190 | 4280 | 6010 | 8300 | 2240 | 782 | 454 |
11 | 559 | 2280 | 1110 | e700 | 13200 | 4240 | 4760 | 5650 | 7740 | 2080 | 697 | 447 |
12 | 538 | 2330 | 1090 | e670 | 13200 | 4110 | 4500 | 5590 | 6850 | 1840 | 697 | 440 |
13 | 550 | 2190 | 1080 | e650 | 12900 | 4450 | 3980 | 7390 | 9670 | 1670 | 4160 | 440 |
14 | 548 | 1990 | 1090 | e640 | 12100 | 4870 | 3690 | 12600 | 12800 | 1550 | 5880 | 438 |
15 | 546 | 1890 | 1110 | e630 | 11200 | 5000 | 3690 | 12500 | 15000 | 1460 | 4750 | 436 |
16 | 524 | 1820 | 1120 | e620 | 10300 | 5050 | 6040 | 9890 | 14600 | 1370 | 3380 | 422 |
17 | 536 | 1730 | 1110 | e650 | 8930 | 5110 | 12000 | 9880 | 12500 | 1310 | 2310 | 412 |
18 | 569 | 1640 | 1120 | e750 | 7410 | 5010 | 14000 | 11500 | 11400 | 1230 | 1580 | 405 |
19 | 624 | 1560 | 1090 | e1000 | 6560 | 4590 | 13300 | 10100 | 10000 | 1180 | 1170 | 418 |
20 | 620 | 1490 | 1080 | e1400 | 5870 | 4340 | 13200 | 7950 | 8530 | 1300 | 977 | 414 |
21 | 542 | 1440 | 1080 | e1600 | 5180 | 4130 | 13400 | 7130 | 7280 | 1480 | 860 | 412 |
22 | 520 | 1400 | 1050 | 2670 | 4670 | 3890 | 13400 | 6540 | 6020 | 1280 | 806 | 408 |
23 | 505 | 1340 | 1040 | 6660 | 4380 | 3710 | 13200 | 6140 | 5070 | 1120 | 795 | 398 |
24 | 493 | 1300 | 1020 | 11300 | 4180 | 3560 | 12900 | 5450 | 4590 | 1050 | 1020 | 386 |
25 | 481 | 1290 | 1020 | 12000 | 4420 | 3420 | 12100 | 5180 | 4440 | 983 | 1080 | 381 |
26 | 469 | 1260 | 1010 | 11300 | 3960 | 3240 | 10700 | 4860 | 4780 | 927 | 942 | 379 |
27 | 472 | 1230 | 1010 | 11200 | 3700 | 3090 | 9080 | 4430 | 5060 | 1010 | 822 | 370 |
28 | 523 | 1210 | 978 | 11700 | 3730 | 3020 | 9300 | 4200 | 5810 | 957 | 719 | 378 |
29 | 612 | 1210 | e800 | 11600 | --- | 2870 | 11300 | 3930 | 5300 | 1090 | 664 | 410 |
30 | 1070 | 1200 | e550 | 11200 | --- | 2790 | 10900 | 3620 | 4620 | 1260 | 656 | 573 |
31 | 807 | --- | e600 | 10700 | --- | 2690 | --- | 3450 | --- | 1100 | 609 | --- |
TOTAL | 17877 | 48918 | 32908 | 117560 | 232870 | 123670 | 225650 | 226100 | 239480 | 62867 | 42178 | 13463 |
MEAN | 577 | 1631 | 1062 | 3792 | 8317 | 3989 | 7522 | 7294 | 7983 | 2028 | 1361 | 449 |
MAX | 1070 | 2450 | 1230 | 12000 | 13200 | 5110 | 14000 | 12600 | 15000 | 5630 | 5880 | 580 |
MIN | 469 | 757 | 550 | 620 | 3700 | 2690 | 2460 | 3450 | 3450 | 927 | 609 | 370 |
CFSM | .11 | .32 | .21 | .74 | 1.63 | .78 | 1.48 | 1.43 | 1.57 | .40 | .27 | .09 |
IN. | .13 | .36 | .24 | .86 | 1.70 | .90 | 1.65 | 1.65 | 1.75 | .46 | .31 | .10 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 1271 | 1736 | 2546 | 3395 | 4394 | 5375 | 6429 | 6289 | 4818 | 2868 | 1645 | 1129 |
MAX | 12180 | 13180 | 18250 | 19580 | 14010 | 19590 | 25140 | 30570 | 20730 | 11480 | 15000 | 13180 |
(WY) | 1994 | 1986 | 1983 | 1950 | 1968 | 1979 | 1922 | 1943 | 1974 | 1981 | 1981 | 1993 |
MIN | 118 | 98.1 | 102 | 78.9 | 186 | 287 | 526 | 598 | 699 | 302 | 184 | 70.0 |
(WY) | 1915 | 1915 | 1915 | 1918 | 1931 | 1941 | 1931 | 1954 | 1988 | 1911 | 1922 | 1922 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1910 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 2130156 | 1383541 | ||||
ANNUAL MEAN | 5836 | 3791 | 3488 | |||
HIGHEST ANNUAL MEAN | 8523 | 1993 | ||||
LOWEST ANNUAL MEAN | 516 | 1954 | ||||
HIGHEST DAILY MEAN | 27600 | Jun 24 | 15000 | Jun 15 | 120000 | May 20 1943 |
LOWEST DAILY MEAN | 469 | Oct 26 | 370 | Sep 27 | 45 A | B |
ANNUAL SEVEN-DAY MINIMUM | 495 | Oct 22 | 386 | Sep 22 | 45 | Jan 21 1918 |
INSTANTANEOUS PEAK FLOW | 15500 | Jun 15 | 123000 | May 20 1943 | ||
INSTANTANEOUS PEAK STAGE | 14.66 | Jun 15 | 25.63 | May 20 1943 | ||
INSTANTANEOUS LOW FLOW | 366 | Sep 27-28 | ||||
ANNUAL RUNOFF (CFSM) | 1.15 | .74 | .68 | |||
ANNUAL RUNOFF (INCHES) | 15.56 | 10.11 | 9.30 | |||
10 PERCENT EXCEEDS | 16300 | 10700 | 9000 | |||
50 PERCENT EXCEEDS | 3030 | 2030 | 1630 | |||
90 PERCENT EXCEEDS | 609 | 534 | 298 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |