DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 21 | 24 | 441 | 155 | 324 | 460 | 1760 | 1180 | 430 | 1290 | 79 | 24 |
2 | 19 | 24 | 337 | 174 | 316 | 447 | 1370 | 1780 | 395 | 1270 | 71 | 23 |
3 | 16 | 26 | 264 | 165 | 299 | 422 | 1150 | 3610 | 359 | 927 | 67 | 22 |
4 | 15 | 25 | 215 | 161 | 286 | 392 | 1280 | 4470 | 341 | 670 | 84 | 21 |
5 | 14 | 24 | 173 | 187 | 277 | 359 | 1320 | 3290 | 335 | 587 | 268 | 19 |
6 | 15 | 27 | 143 | 455 | 263 | 331 | 1210 | 3080 | 310 | 570 | 195 | 19 |
7 | 19 | 26 | 124 | 671 | 246 | 309 | 1030 | 3350 | 288 | 686 | 138 | 18 |
8 | 18 | 33 | 113 | 1140 | 229 | 411 | 931 | 4110 | 275 | 910 | 114 | 19 |
9 | 18 | 34 | 108 | 2020 | 217 | 1020 | 1020 | 3710 | 369 | 751 | 131 | 18 |
10 | 16 | 34 | 116 | 2110 | 208 | 1700 | 1280 | 4330 | 525 | 593 | 108 | 17 |
11 | 16 | 33 | 142 | 1980 | 239 | 1960 | 1400 | 3660 | 670 | 495 | 88 | 17 |
12 | 17 | 31 | 161 | 1630 | 351 | 1950 | 1000 | 2690 | 1410 | 422 | 76 | 17 |
13 | 20 | 29 | 163 | 901 | 403 | 1560 | 776 | 1950 | 1910 | 367 | 66 | 16 |
14 | 20 | 29 | 148 | 635 | 440 | 1020 | 767 | 1130 | 2030 | 325 | 59 | 16 |
15 | 19 | 29 | 131 | 534 | 395 | 885 | 881 | 824 | 4080 | 292 | 53 | 16 |
16 | 19 | 27 | 122 | 479 | 365 | 843 | 926 | 710 | 3830 | 262 | 50 | 15 |
17 | 18 | 28 | 119 | 422 | 385 | 1050 | 775 | 626 | 4320 | 234 | 50 | 14 |
18 | 17 | 28 | 109 | 369 | 562 | 2580 | 650 | 559 | 5840 | 210 | 51 | 14 |
19 | 19 | 29 | 102 | 332 | 695 | 3230 | 574 | 519 | 6160 | 190 | 46 | 12 |
20 | 19 | 31 | 95 | 300 | 734 | 4560 | 532 | 511 | 4520 | 174 | 42 | 13 |
21 | 20 | 32 | 89 | 283 | 689 | 5130 | 517 | 478 | 3250 | 158 | 39 | 16 |
22 | 19 | 30 | 99 | 269 | 622 | 4370 | 507 | 494 | 2460 | 149 | 38 | 15 |
23 | 16 | 30 | 111 | 261 | 560 | 3650 | 483 | 836 | 2360 | 159 | 35 | 14 |
24 | 16 | 31 | 132 | 244 | 502 | 3110 | 448 | 1910 | 2390 | 257 | 34 | 19 |
25 | 17 | 30 | 301 | 230 | 452 | 2530 | 425 | 1670 | 2490 | 218 | 32 | 18 |
26 | 22 | 33 | 348 | 221 | 419 | 1940 | 410 | 1020 | 2210 | 158 | 30 | 15 |
27 | 23 | 32 | 377 | 215 | 430 | 1360 | 380 | 767 | 1330 | 130 | 29 | 12 |
28 | 23 | 43 | 327 | 251 | 436 | 2080 | 350 | 626 | 817 | 113 | 28 | 13 |
29 | 24 | 96 | 276 | 288 | --- | 2800 | 369 | 543 | 700 | 102 | 26 | 12 |
30 | 27 | 237 | 238 | 316 | --- | 2520 | 729 | 495 | 959 | 95 | 24 | 12 |
31 | 26 | --- | 196 | 328 | --- | 2100 | --- | 476 | --- | 87 | 24 | --- |
TOTAL | 588 | 1165 | 5820 | 17726 | 11344 | 57079 | 25250 | 55404 | 57363 | 12851 | 2175 | 496 |
MEAN | 19.0 | 38.8 | 188 | 572 | 405 | 1841 | 842 | 1787 | 1912 | 415 | 70.2 | 16.5 |
MAX | 27 | 237 | 441 | 2110 | 734 | 5130 | 1760 | 4470 | 6160 | 1290 | 268 | 24 |
MIN | 14 | 24 | 89 | 155 | 208 | 309 | 350 | 476 | 275 | 87 | 24 | 12 |
CFSM | .03 | .07 | .34 | 1.04 | .74 | 3.35 | 1.53 | 3.25 | 3.48 | .75 | .13 | .03 |
IN. | .04 | .08 | .39 | 1.20 | .77 | 3.86 | 1.71 | 3.75 | 3.88 | .87 | .15 | .03 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1908 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 177 | 247 | 353 | 425 | 569 | 716 | 817 | 732 | 499 | 292 | 154 | 119 |
MAX | 2868 | 2842 | 2155 | 2636 | 1899 | 2472 | 2753 | 3609 | 2081 | 1585 | 1486 | 2427 |
(WY) | 1927 | 1986 | 1928 | 1950 | 1959 | 1979 | 1922 | 1908 | 1974 | 1993 | 1981 | 1926 |
MIN | 1.32 | 5.50 | 3.67 | 3.43 | 10.0 | 20.2 | 57.6 | 42.6 | 19.3 | 3.85 | 1.76 | .48 |
(WY) | 1989 | 1915 | 1964 | 1977 | 1931 | 1931 | 1931 | 1934 | 1934 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1908 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 139343 | 247261 | ||||
ANNUAL MEAN | 382 | 677 | 422 | |||
HIGHEST ANNUAL MEAN | 1105 | 1927 | ||||
LOWEST ANNUAL MEAN | 68.0 | 1934 | ||||
HIGHEST DAILY MEAN | 3740 | Mar 1 | 6160 | Jun 19 | 18700 | Oct 4 1926 |
LOWEST DAILY MEAN | 14 | Oct 5 | 12 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 16 | Oct 3 | 14 | Sep 17 | .07 | Sep 11 1988 |
INSTANTANEOUS PEAK FLOW | 6510 | Jun 19 | 19000 C | Oct 4 1926 | ||
INSTANTANEOUS PEAK STAGE | 15.56 | Jun 19 | 19.06 D | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | 12 | E | ||||
ANNUAL RUNOFF (CFSM) | .69 | 1.23 | .77 | |||
ANNUAL RUNOFF (INCHES) | 9.42 | 16.72 | 10.41 | |||
10 PERCENT EXCEEDS | 1100 | 2020 | 1100 | |||
50 PERCENT EXCEEDS | 174 | 277 | 160 | |||
90 PERCENT EXCEEDS | 26 | 19 | 12 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |