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 | 197 | 376 | 389 | 300 | 1500 | 708 | 421 | 1890 | 654 | 521 | 384 | 221 |
2 | 198 | 425 | 431 | 300 | 1500 | 723 | 457 | 1690 | 1190 | 558 | 345 | 222 |
3 | 249 | 352 | 413 | 300 | 1500 | 677 | 453 | 1480 | 1290 | 532 | 317 | 214 |
4 | 308 | 267 | 443 | 290 | 1400 | 631 | 440 | 1370 | 1030 | 496 | 222 | 207 |
5 | 325 | 314 | 474 | 290 | 1300 | 620 | 452 | 1180 | 766 | 471 | 263 | 198 |
6 | 503 | 326 | 466 | 290 | 1300 | 600 | 471 | 1030 | 733 | 440 | 285 | 176 |
7 | 626 | 326 | 579 | 290 | 1300 | 560 | 437 | 1040 | 735 | 411 | 281 | 188 |
8 | 600 | 316 | 666 | 290 | 1300 | 500 | 416 | 939 | 692 | 392 | 285 | 184 |
9 | 599 | 296 | 617 | 290 | 1280 | 440 | 684 | 945 | 599 | 386 | 285 | 181 |
10 | 546 | 648 | 614 | 290 | 1300 | 440 | 1250 | 891 | 549 | 391 | 286 | 179 |
11 | 489 | 1370 | 527 | 280 | 1370 | 487 | 1290 | 798 | 928 | 378 | 281 | 176 |
12 | 452 | 1620 | 497 | 280 | 1640 | 686 | 1230 | 871 | 1580 | 379 | 285 | 176 |
13 | 382 | 1430 | 475 | 280 | 1750 | 734 | 1150 | 972 | 2160 | 374 | 288 | 199 |
14 | 333 | 1110 | 458 | 280 | 1600 | 633 | 1030 | 984 | 3970 | 363 | 282 | 195 |
15 | 307 | 998 | 443 | 280 | 1440 | 532 | 924 | 863 | 4510 | 347 | 272 | 194 |
16 | 268 | 960 | 396 | 280 | 1370 | 505 | 936 | 789 | 3870 | 310 | 261 | 194 |
17 | 319 | 813 | 400 | 330 | 1300 | 768 | 1020 | 1360 | 3350 | 263 | 225 | 190 |
18 | 649 | 703 | 434 | 360 | 1200 | 1060 | 857 | 1820 | 2910 | 390 | 243 | 186 |
19 | 888 | 550 | 375 | 370 | 1100 | 1050 | 683 | 1960 | 2540 | 458 | 282 | 183 |
20 | 788 | 420 | 380 | 370 | 1000 | 788 | 645 | 1850 | 2250 | 488 | 280 | 205 |
21 | 697 | 432 | 380 | 370 | 900 | 677 | 666 | 1700 | 1980 | 428 | 283 | 212 |
22 | 540 | 425 | 370 | 500 | 820 | 714 | 845 | 1640 | 1740 | 452 | 290 | 205 |
23 | 446 | 400 | 360 | 1000 | 740 | 748 | 1700 | 1620 | 1520 | 460 | 291 | 197 |
24 | 441 | 405 | 350 | 1400 | 680 | 709 | 2880 | 1540 | 1350 | 560 | 326 | 193 |
25 | 440 | 456 | 340 | 1800 | 660 | 645 | 2980 | 1430 | 1270 | 603 | 321 | 192 |
26 | 431 | 398 | 330 | 1700 | 660 | 595 | 2780 | 1290 | 929 | 630 | 300 | 186 |
27 | 408 | 361 | 320 | 1700 | 619 | 521 | 2620 | 1210 | 705 | 585 | 283 | 213 |
28 | 360 | 372 | 310 | 1700 | 605 | 395 | 2530 | 998 | 681 | 541 | 258 | 666 |
29 | 404 | 380 | 300 | 1700 | --- | 376 | 2380 | 859 | 812 | 399 | 256 | 1070 |
30 | 372 | 388 | 300 | 1700 | --- | 452 | 2120 | 691 | 659 | 297 | 251 | 825 |
31 | 317 | --- | 300 | 1600 | --- | 460 | --- | 664 | --- | 343 | 225 | --- |
TOTAL | 13882 | 17637 | 13137 | 21210 | 33134 | 19434 | 36747 | 38364 | 47952 | 13646 | 8736 | 7827 |
MEAN | 448 | 588 | 424 | 684 | 1183 | 627 | 1225 | 1238 | 1598 | 440 | 282 | 261 |
MAX | 888 | 1620 | 666 | 1800 | 1750 | 1060 | 2980 | 1960 | 4510 | 630 | 384 | 1070 |
MIN | 197 | 267 | 300 | 280 | 605 | 376 | 416 | 664 | 549 | 263 | 222 | 176 |
CFSM | .55 | .72 | .52 | .84 | 1.46 | .77 | 1.51 | 1.53 | 1.97 | .54 | .35 | .32 |
IN. | .64 | .81 | .60 | .97 | 1.52 | .89 | 1.69 | 1.76 | 2.20 | .63 | .40 | .36 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 384 | 481 | 454 | 428 | 536 | 1118 | 1081 | 701 | 532 | 388 | 332 | 337 |
MAX | 1931 | 1536 | 1755 | 1818 | 1354 | 2434 | 3591 | 2078 | 1711 | 1382 | 902 | 1763 |
(WY) | 1987 | 1986 | 1983 | 1960 | 1974 | 1979 | 1993 | 1973 | 1996 | 1969 | 1952 | 1972 |
MIN | 79.5 | 113 | 91.4 | 87.7 | 105 | 252 | 256 | 108 | 124 | 69.2 | 57.2 | 62.7 |
(WY) | 1957 | 1950 | 1964 | 1940 | 1940 | 1968 | 1958 | 1958 | 1988 | 1958 | 1958 | 1946 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1940 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 228226 | 271706 | ||||
ANNUAL MEAN | 625 | 744 | 564 | |||
HIGHEST ANNUAL MEAN | 1240 | 1993 | ||||
LOWEST ANNUAL MEAN | 174 | 1958 | ||||
HIGHEST DAILY MEAN | 1790 | Apr 10 | 4510 | Jun 15 | 7100 | Apr 1 1960 |
LOWEST DAILY MEAN | 151 | Aug 3 | 176 | Sep 6,11,12 | 35 | Sep 9 1958 |
ANNUAL SEVEN-DAY MINIMUM | 167 | Jul 28 | 180 | Sep 6 | 41 | Sep 7 1958 |
INSTANTANEOUS PEAK FLOW | 4670 | Jun 15 | (a)7520 | Mar 31 1960 | ||
INSTANTANEOUS PEAK STAGE | 13.68 | Jun 15 | (b)14.10 | Feb 21 1994 | ||
INSTANTANEOUS LOW FLOW | 171 | Sep 6 | .00 | (c)Oct 26 1945 | ||
ANNUAL RUNOFF (CFSM) | .77 | .92 | .70 | |||
ANNUAL RUNOFF (INCHES) | 10.47 | 12.46 | 9.45 | |||
10 PERCENT EXCEEDS | 1260 | 1600 | 1270 | |||
50 PERCENT EXCEEDS | 485 | 496 | 365 | |||
90 PERCENT EXCEEDS | 261 | 257 | 125 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |