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 | 37 | 43 | e74 | e44 | 3040 | 850 | 143 | 1470 | 517 | 272 | e32 | e19 |
2 | 33 | 90 | e75 | e43 | 3450 | 562 | 141 | 854 | 1150 | 387 | e30 | e19 |
3 | 29 | 567 | 189 | e47 | 3920 | 438 | 159 | 630 | 907 | 258 | 28 | e18 |
4 | 29 | 1500 | 403 | e56 | 4130 | 381 | 257 | 482 | 848 | 146 | 27 | e17 |
5 | 31 | 923 | 394 | e65 | 2790 | 357 | 310 | 472 | 679 | 83 | 22 | e16 |
6 | 70 | 492 | 361 | e68 | 1550 | 460 | 414 | 1100 | 1230 | 61 | 21 | e15 |
7 | 210 | 318 | 340 | e70 | 3120 | 447 | 1430 | 1560 | 784 | 706 | 28 | e15 |
8 | 336 | 223 | 348 | e68 | 3680 | 416 | 937 | 1430 | 473 | 526 | 36 | e15 |
9 | 182 | 163 | 362 | e66 | 6450 | 1090 | 741 | 810 | 322 | 139 | 28 | e14 |
10 | 81 | 392 | 337 | e63 | 10500 | 1500 | 1130 | 550 | 236 | 846 | 26 | e14 |
11 | 57 | 1030 | 319 | e59 | 9000 | 1350 | 1150 | 424 | 178 | 713 | 28 | e13 |
12 | 46 | 1330 | 316 | e58 | 6180 | 893 | 1210 | 379 | 167 | 268 | 26 | e14 |
13 | 39 | 884 | 317 | e86 | 3910 | 622 | 858 | 1700 | 580 | 127 | 21 | e14 |
14 | 35 | 556 | 303 | e140 | 2650 | 478 | 573 | 2630 | 1910 | e90 | 19 | e13 |
15 | 32 | 412 | 301 | e170 | 1690 | 400 | 697 | 2410 | 2460 | e70 | 21 | e13 |
16 | 29 | 324 | 183 | e190 | 1210 | 348 | 1800 | 1340 | 1570 | e58 | 21 | e14 |
17 | 29 | e240 | e70 | e400 | 1020 | 306 | 2540 | 839 | 688 | e48 | e21 | e15 |
18 | 40 | e200 | e58 | 1810 | 916 | 277 | 2250 | 625 | 402 | e41 | e21 | e15 |
19 | 50 | e170 | e56 | 2310 | 815 | 254 | 1580 | 520 | 282 | e35 | e21 | e13 |
20 | 48 | e150 | e54 | 2430 | 722 | 232 | 1100 | 438 | 206 | e32 | e20 | e12 |
21 | 51 | e130 | e54 | 2210 | 511 | 212 | 847 | 344 | 160 | e30 | e20 | e11 |
22 | 47 | e120 | e55 | 2730 | 388 | 200 | 714 | 288 | 122 | e28 | e19 | e12 |
23 | 39 | e110 | e54 | 3250 | 345 | 434 | 632 | 266 | 183 | e25 | e20 | e13 |
24 | 36 | e100 | e54 | 3550 | 339 | 583 | 522 | 272 | 1530 | e24 | e25 | 11 |
25 | 34 | e90 | e52 | 4000 | 348 | 368 | 466 | 234 | 471 | e22 | e30 | 13 |
26 | 31 | e80 | e49 | 4290 | 347 | 272 | 425 | 196 | 302 | e23 | e35 | 12 |
27 | 31 | e78 | e47 | 3300 | 396 | 219 | 468 | 156 | 176 | e40 | e40 | 10 |
28 | 32 | e75 | e47 | 1980 | 1360 | 193 | 675 | 129 | 103 | e50 | 27 | 10 |
29 | 38 | e74 | e48 | 1270 | --- | 180 | 1950 | 106 | 87 | e56 | 22 | 11 |
30 | 43 | e74 | e48 | 972 | --- | 164 | 2380 | 91 | 71 | e40 | 17 | 11 |
31 | 41 | --- | e45 | 1720 | --- | 151 | --- | 102 | --- | e34 | 18 | --- |
TOTAL | 1866 | 10938 | 5413 | 37515 | 74777 | 14637 | 28499 | 22847 | 18794 | 5278 | 770 | 412 |
MEAN | 60.2 | 365 | 175 | 1210 | 2671 | 472 | 950 | 737 | 626 | 170 | 24.8 | 13.7 |
MAX | 336 | 1500 | 403 | 4290 | 10500 | 1500 | 2540 | 2630 | 2460 | 846 | 40 | 19 |
MIN | 29 | 43 | 45 | 43 | 339 | 151 | 141 | 91 | 71 | 22 | 17 | 10 |
CFSM | .08 | .50 | .24 | 1.65 | 3.63 | .64 | 1.29 | 1.00 | .85 | .23 | .03 | .02 |
IN. | .09 | .55 | .27 | 1.90 | 3.78 | .74 | 1.44 | 1.16 | .95 | .27 | .04 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 171 | 298 | 570 | 678 | 921 | 1002 | 1001 | 776 | 511 | 309 | 175 | 135 |
MAX | 1704 | 2557 | 3925 | 4171 | 4385 | 4334 | 3062 | 4021 | 3697 | 1853 | 1493 | 1774 |
(WY) | 1970 | 1947 | 1983 | 1950 | 1982 | 1978 | 1979 | 1990 | 1957 | 1957 | 1946 | 1993 |
MIN | 1.19 | 4.65 | 8.03 | 6.31 | 8.97 | 11.9 | 56.0 | 12.3 | 15.9 | 2.50 | 7.38 | 2.32 |
(WY) | 1957 | 1955 | 1955 | 1977 | 1954 | 1954 | 1954 | 1954 | 1988 | 1954 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1910 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 262922 | 221746 | ||||
ANNUAL MEAN | 720 | 608 | 541 | |||
HIGHEST ANNUAL MEAN | 1067 | 1973, 1974 | ||||
LOWEST ANNUAL MEAN | 28.5 | 1954 | ||||
HIGHEST DAILY MEAN | 8940 | Mar 24 | 10500 | Feb 10 | 22200 | Jun 17 1957 |
LOWEST DAILY MEAN | 27 A | Jan. 3 | 10 B | Sep 27,28 | .00 | C |
ANNUAL SEVEN-DAY MINIMUM | 34 | Oct 23 | 11 | Sep 24 | .00 | Jul 27 1954 |
INSTANTANEOUS PEAK FLOW | 10900 | Feb 10 | 23100 D | Jan 6 1950 | ||
INSTANTANEOUS PEAK STAGE | 19.42 | Feb 10 | 23.02 E | Apr 14 1979 | ||
INSTANTANEOUS LOW FLOW | 9.4 B | Sep 27,28 | ||||
ANNUAL RUNOFF (CFSM) | .98 | .83 | .74 | |||
ANNUAL RUNOFF (INCHES) | 13.31 | 11.22 | 10.01 | |||
10 PERCENT EXCEEDS | 2400 | 1620 | 1440 | |||
50 PERCENT EXCEEDS | 253 | 190 | 109 | |||
90 PERCENT EXCEEDS | 40 | 20 | 13 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |