DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 226 | 619 | 529 | e400 | 2060 | 881 | 596 | 2970 | 1070 | 1050 | 406 | 293 |
2 | 238 | 585 | 507 | e350 | 2230 | 861 | 593 | 2420 | 3000 | 1010 | 376 | 277 |
3 | 258 | 560 | 497 | e300 | 2660 | 916 | 582 | 2040 | 2810 | 958 | 355 | 265 |
4 | 276 | 539 | 494 | e330 | 2470 | 934 | 578 | 1790 | 2380 | 911 | 345 | 259 |
5 | 377 | 515 | 481 | e370 | 2090 | 872 | 564 | 1620 | 1920 | 841 | 331 | 248 |
6 | 468 | 497 | 505 | e410 | 1810 | 835 | 546 | 1840 | 1620 | 779 | 316 | 235 |
7 | 473 | 485 | 1040 | e390 | 1650 | 745 | 534 | 2420 | 1460 | 730 | 318 | 230 |
8 | 438 | 470 | 1530 | e380 | 1550 | e720 | 520 | 2210 | 1320 | 690 | 320 | 219 |
9 | 384 | 462 | 1310 | e380 | 1460 | e700 | 780 | 1870 | 1180 | 664 | 314 | 217 |
10 | 350 | 1160 | 1060 | e370 | 1440 | e690 | 1210 | 1630 | 1360 | 672 | 310 | 208 |
11 | 320 | 2220 | 912 | e360 | 1510 | e680 | 1150 | 1470 | 3910 | 636 | 302 | 204 |
12 | 298 | 1850 | 822 | e350 | 2120 | 673 | 953 | 1930 | 4120 | 597 | 321 | 204 |
13 | 284 | 1400 | 759 | e350 | 2220 | 671 | 797 | 2700 | 6000 | 561 | 331 | 209 |
14 | 276 | 1160 | 706 | e340 | 1790 | 677 | 724 | 2890 | 15000 | 527 | 326 | 216 |
15 | 274 | 1010 | 662 | e340 | 1490 | 691 | 739 | 2390 | 15300 | 501 | 300 | 211 |
16 | 267 | 890 | 644 | e330 | 1370 | 767 | 1690 | 1940 | 9850 | 476 | 289 | 203 |
17 | 426 | 812 | 649 | e330 | 1270 | 1160 | 2480 | 2380 | 5980 | 593 | 280 | 202 |
18 | 2270 | 739 | 641 | e330 | 1150 | 1730 | 2340 | 3100 | 4070 | 574 | 272 | 199 |
19 | 2910 | 698 | 636 | e330 | 1050 | 1660 | 1820 | 2980 | 3180 | 535 | 280 | 198 |
20 | 2460 | 663 | 605 | e320 | 965 | 1320 | 1510 | 2350 | 2610 | 614 | 286 | 195 |
21 | 1680 | 621 | 595 | e320 | 867 | 1140 | 1360 | 1910 | 2170 | 1420 | 275 | 208 |
22 | 1230 | 596 | 419 | e1200 | 805 | 1000 | 2840 | 2300 | 1900 | 941 | 271 | 198 |
23 | 986 | 586 | e450 | e5000 | 766 | 882 | 7730 | 2190 | 1860 | 915 | 286 | 191 |
24 | 850 | 565 | e490 | e6500 | 731 | 806 | 7910 | 1910 | 2000 | 753 | 1480 | 189 |
25 | 754 | 544 | e510 | 7260 | 706 | 745 | 6410 | 1660 | 1750 | 699 | 1580 | 186 |
26 | 690 | 540 | e520 | 6290 | 685 | 709 | 4710 | 1460 | 1530 | 627 | 791 | 182 |
27 | 666 | 518 | e510 | 5290 | 715 | 683 | 3680 | 1290 | 1360 | 576 | 550 | 214 |
28 | 713 | 501 | e470 | 3740 | 834 | 667 | 4750 | 1190 | 1260 | 518 | 444 | 1540 |
29 | 736 | 499 | e370 | 3060 | --- | 650 | 4490 | 1100 | 1170 | 472 | 383 | 3180 |
30 | 694 | 522 | e270 | 2520 | --- | 620 | 3810 | 1020 | 1090 | 458 | 345 | 2370 |
31 | 658 | --- | e340 | 2210 | --- | 600 | --- | 974 | --- | 427 | 311 | --- |
TOTAL | 22930 | 22826 | 19933 | 50450 | 40464 | 26685 | 68396 | 61944 | 104230 | 21725 | 13094 | 12950 |
MEAN | 740 | 761 | 643 | 1627 | 1445 | 861 | 2280 | 1998 | 3474 | 701 | 422 | 432 |
MAX | 2910 | 2220 | 1530 | 7260 | 2660 | 1730 | 7910 | 3100 | 15300 | 1420 | 1580 | 3180 |
MIN | 226 | 462 | 270 | 300 | 685 | 600 | 520 | 974 | 1070 | 427 | 271 | 182 |
CFSM | .67 | .69 | .59 | 1.48 | 1.31 | .78 | 2.07 | 1.82 | 3.16 | .64 | .38 | .39 |
IN. | .78 | .77 | .67 | 1.71 | 1.37 | .90 | 2.32 | 2.10 | 3.53 | .74 | .44 | .44 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 459 | 576 | 609 | 644 | 877 | 1425 | 1302 | 1036 | 927 | 608 | 453 | 445 |
MAX | 2309 | 2881 | 3230 | 2265 | 2963 | 5395 | 4267 | 3355 | 3827 | 3263 | 2853 | 3577 |
(WY) | 1973 | 1986 | 1983 | 1969 | 1997 | 1979 | 1993 | 1996 | 1993 | 1993 | 1987 | 1972 |
MIN | 75.5 | 95.8 | 83.5 | 68.8 | 98.8 | 230 | 280 | 212 | 214 | 135 | 97.4 | 78.9 |
(WY) | 1957 | 1957 | 1964 | 1959 | 1940 | 1956 | 1963 | 1949 | 1959 | 1941 | 1964 | 1946 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1940 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 367867 | 465627 | ||||
ANNUAL MEAN | 1008 | 1276 | 779 | |||
HIGHEST ANNUAL MEAN | 1955 | 1993 | ||||
LOWEST ANNUAL MEAN | 227 | 1977 | ||||
HIGHEST DAILY MEAN | 5360 | May 9 | 15300 | Jun 15 | 16700 | Jul 19 1996 |
LOWEST DAILY MEAN | 190 A | Jan 1 | 182 | Sep 26 | 49 | Oct 10 1956 |
ANNUAL SEVEN-DAY MINIMUM | 219 | Sep 24 | 193 | Sep 20 | 52 | Sep 11 1964 |
INSTANTANEOUS PEAK FLOW | 16300 | Jun 15 | 24200 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 18.96 | Jun 15 | 23.54 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 180 | Sep 26, 27 | 46 | B | ||
ANNUAL RUNOFF (CFSM) | .92 | 1.16 | .71 | |||
ANNUAL RUNOFF (INCHES) | 12.45 | 15.76 | 9.63 | |||
10 PERCENT EXCEEDS | 2130 | 2560 | 1700 | |||
50 PERCENT EXCEEDS | 710 | 706 | 429 | |||
90 PERCENT EXCEEDS | 259 | 277 | 127 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |