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 | 106 | 146 | 251 | e150 | 1820 | 422 | 255 | 1040 | 284 | 936 | 98 | 14 |
2 | 56 | 370 | 229 | e190 | 1790 | 358 | 259 | 838 | 1160 | 620 | 82 | 13 |
3 | 43 | 1770 | 210 | e180 | 1740 | 337 | 255 | 717 | 1190 | 439 | 72 | 12 |
4 | 36 | 1460 | 215 | e170 | 1360 | 305 | 549 | 639 | 742 | 246 | 62 | 11 |
5 | 420 | 819 | 215 | e160 | 1030 | 296 | 482 | 807 | 958 | 187 | 56 | 11 |
6 | 1390 | 569 | 573 | e200 | 868 | 461 | 1090 | 694 | 789 | 153 | 51 | 10 |
7 | 432 | 445 | 2890 | e180 | 891 | 356 | 783 | 586 | 516 | 131 | 50 | 9.9 |
8 | 200 | 432 | 2190 | e170 | 851 | 290 | 505 | 518 | 415 | 117 | 52 | 9.7 |
9 | 129 | 728 | 1090 | e165 | 700 | 245 | 1520 | 459 | 1010 | 109 | 52 | 9.0 |
10 | 97 | 2730 | 758 | e160 | 610 | e350 | 1880 | 415 | 2160 | 102 | 48 | 8.5 |
11 | 78 | 3630 | 605 | e155 | 644 | e370 | 945 | 390 | 1450 | 96 | 35 | 8.4 |
12 | 66 | 3350 | 523 | e150 | 990 | e360 | 666 | 381 | 785 | 88 | 38 | 8.9 |
13 | 56 | 1410 | 475 | e145 | 750 | e370 | 526 | 560 | 559 | 78 | 54 | 8.8 |
14 | 48 | 858 | 432 | e140 | 580 | e430 | 470 | 1030 | 580 | 72 | 74 | 8.4 |
15 | 43 | 698 | 387 | e135 | 564 | e550 | 1180 | 1100 | 517 | 67 | 56 | 9.2 |
16 | 40 | 574 | 359 | e130 | 539 | e750 | 4430 | 910 | 389 | 62 | 40 | 8.5 |
17 | 52 | 513 | 348 | e130 | 493 | e850 | 4790 | 1360 | 346 | 57 | 32 | 8.3 |
18 | 1430 | 443 | 331 | e140 | 448 | e700 | 4160 | 2010 | 314 | 52 | 30 | 7.9 |
19 | 1490 | 403 | 317 | e145 | 418 | e600 | 2020 | 1690 | 283 | 49 | 66 | 7.9 |
20 | 629 | 376 | 295 | e150 | 393 | e540 | 1250 | 1380 | 265 | 83 | 44 | 8.7 |
21 | 372 | 336 | 261 | e180 | 362 | e470 | 1010 | 801 | 248 | 1060 | 33 | 12 |
22 | 268 | 314 | 197 | e2000 | 331 | e420 | 936 | 662 | 232 | 1480 | 26 | 12 |
23 | 209 | 305 | e170 | e3000 | 326 | e380 | 1560 | 573 | 221 | 643 | 23 | 9.0 |
24 | 178 | 296 | e150 | e4000 | 361 | 345 | 1290 | 498 | 301 | 214 | 21 | 8.1 |
25 | 161 | 270 | e180 | e4500 | 354 | 326 | 942 | 436 | 225 | 129 | 29 | 7.7 |
26 | 149 | 264 | e190 | 3330 | 341 | 298 | 784 | 389 | 198 | 100 | 30 | 7.6 |
27 | 139 | 257 | e180 | 2400 | 448 | 284 | 797 | 352 | 178 | 110 | 29 | 7.4 |
28 | 151 | 238 | e170 | 3020 | 515 | 285 | 1870 | 324 | 171 | 566 | 24 | 642 |
29 | 183 | 232 | e160 | 2370 | --- | 295 | 2550 | 305 | 175 | 310 | 20 | 1760 |
30 | 189 | 240 | e140 | 1630 | --- | 276 | 1540 | 287 | 166 | 213 | 17 | 680 |
31 | 161 | --- | e130 | 1420 | --- | 255 | --- | 273 | --- | 126 | 15 | --- |
TOTAL | 9001 | 24476 | 14621 | 30995 | 20517 | 12574 | 41294 | 22424 | 16827 | 8695 | 1359 | 3338.9 |
MEAN | 290 | 816 | 472 | 1000 | 733 | 406 | 1376 | 723 | 561 | 280 | 43.8 | 111 |
MAX | 1490 | 3630 | 2890 | 4500 | 1820 | 850 | 4790 | 2010 | 2160 | 1480 | 98 | 1760 |
MIN | 36 | 146 | 130 | 130 | 326 | 245 | 255 | 273 | 166 | 49 | 15 | 7.4 |
CFSM | .44 | 1.25 | .72 | 1.53 | 1.12 | .62 | 2.10 | 1.10 | .86 | .43 | .07 | .17 |
IN. | .51 | 1.39 | .83 | 1.76 | 1.17 | .71 | 2.35 | 1.27 | .96 | .49 | .08 | .19 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 266 | 271 | 273 | 353 | 517 | 730 | 839 | 759 | 679 | 466 | 161 | 268 |
MAX | 3502 | 2693 | 2686 | 2077 | 2199 | 3734 | 3193 | 4471 | 3081 | 4194 | 899 | 4024 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1949 | 1985 | 1973 | 1995 | 1974 | 1993 | 1993 | 1961 |
MIN | .67 | 2.61 | 2.54 | 3.33 | 5.70 | 30.5 | 22.9 | 20.8 | 21.1 | 3.89 | 2.82 | 1.75 |
(WY) | 1989 | 1990 | 1990 | 1956 | 1989 | 1956 | 1956 | 1956 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1945 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 300933.7 | 206121.9 | ||||
ANNUAL MEAN | 824 | 565 | 464 | |||
HIGHEST ANNUAL MEAN | 1347 | 1993 | ||||
LOWEST ANNUAL MEAN | 23.1 | 1989 | ||||
HIGHEST DAILY MEAN | 5340 | Mar 19 | 4790 | Apr 17 | 35600 | Mar 5 1985 |
LOWEST DAILY MEAN | 9.1 | Sep 13 | 7.4 | Sep 27 | .00 | Oct 19 1988 |
ANNUAL SEVEN-DAY MINIMUM | 10 | Sep 7 | 8.4 | Sep 14 | .12 | Oct 16 1988 |
INSTANTANEOUS PEAK FLOW | 4900 A | Apr 17 | 38900 B | Mar 5 1985 | ||
INSTANTANEOUS PEAK STAGE | 21.02 C | Jan 25 | 27.03 C | Jan 3 1965 | ||
INSTANTANEOUS LOW FLOW | 7.2 | Sep 27 | ||||
ANNUAL RUNOFF (CFSM) | 1.26 | .86 | .71 | |||
ANNUAL RUNOFF (INCHES) | 17.09 | 11.71 | 9.63 | |||
10 PERCENT EXCEEDS | 2170 | 1440 | 1010 | |||
50 PERCENT EXCEEDS | 475 | 314 | 126 | |||
90 PERCENT EXCEEDS | 32 | 30 | 9.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |