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 | 217 | 274 | 476 | e360 | 810 | 783 | 1860 | 1130 | 440 | 759 | 156 | 236 |
2 | 209 | 255 | 481 | 382 | 1250 | 719 | 1890 | 1010 | 434 | 597 | 143 | 211 |
3 | 199 | 231 | 485 | 546 | 1340 | 693 | 1640 | 911 | 405 | 540 | 142 | 198 |
4 | 217 | 239 | 537 | 1320 | 1250 | 698 | 1420 | 851 | 388 | 1440 | 836 | 206 |
5 | 212 | 234 | 495 | 1790 | 1130 | 662 | 1270 | 804 | 400 | 1090 | 1350 | 176 |
6 | 189 | 380 | 449 | 2110 | 1030 | 615 | 1170 | 843 | 380 | 847 | 2000 | 155 |
7 | 179 | 406 | 419 | 2200 | 964 | 582 | 1160 | 2510 | 361 | 813 | 1220 | 1530 |
8 | 186 | 295 | 402 | 2400 | 908 | 1030 | 1920 | 4240 | 340 | 791 | 1060 | 856 |
9 | 225 | 256 | 398 | 2660 | 875 | 1940 | 2470 | 3580 | 686 | 617 | 621 | 484 |
10 | 242 | 243 | 542 | 2360 | 854 | 1930 | 2500 | 2730 | 553 | 530 | 482 | 323 |
11 | 199 | 235 | 851 | 1810 | 1180 | 1630 | 2180 | 1880 | 964 | 457 | 361 | 239 |
12 | 190 | 225 | 704 | 1470 | 1740 | 1290 | 1770 | 1400 | 1090 | 387 | 299 | 203 |
13 | 310 | 226 | 577 | 1280 | 1680 | 1140 | 1540 | 1200 | 762 | 347 | 263 | 184 |
14 | 417 | 219 | 501 | 1080 | 1510 | 1060 | 1590 | 1210 | 627 | 313 | 246 | 192 |
15 | 282 | 313 | 455 | e1000 | 1360 | 981 | 1400 | 1200 | 487 | 282 | 279 | 718 |
16 | 220 | 425 | 445 | e880 | 1280 | 930 | 1730 | 1060 | 421 | 266 | 213 | 457 |
17 | 201 | 328 | 444 | e800 | 1540 | 1130 | 1910 | 928 | 405 | 246 | 193 | 336 |
18 | 192 | 296 | 435 | e730 | 1930 | 2500 | 2050 | 793 | 359 | 230 | 200 | 277 |
19 | 170 | 289 | 420 | e660 | 1820 | 2930 | 2040 | 687 | 1080 | 350 | 197 | 236 |
20 | 172 | 269 | 411 | e600 | 1600 | 2630 | 1990 | 614 | 697 | 282 | 182 | 224 |
21 | 169 | 271 | 406 | e560 | 1430 | 2130 | 2320 | 509 | 463 | 236 | 185 | 269 |
22 | 169 | 293 | 436 | e520 | 1290 | 1750 | 2320 | 456 | 370 | 228 | 259 | 255 |
23 | 173 | 305 | 454 | e520 | 1170 | 1560 | 2230 | 419 | 338 | 206 | 823 | 218 |
24 | 202 | 285 | 433 | e520 | 1120 | 1390 | 1980 | 658 | 277 | 192 | 485 | 190 |
25 | 273 | 276 | 707 | e500 | 1030 | 1250 | 1710 | 521 | 252 | 178 | 1780 | 191 |
26 | 364 | 270 | 703 | e470 | 944 | 1160 | 1580 | 443 | 822 | 161 | 1130 | 189 |
27 | 1520 | 306 | 558 | e470 | 892 | 1080 | 1560 | 394 | 1330 | 160 | 602 | 175 |
28 | 906 | 481 | 484 | e550 | 852 | 1080 | 1420 | 473 | 1490 | 164 | 561 | 165 |
29 | 503 | 441 | e460 | 673 | --- | 996 | 1410 | 522 | 1440 | 167 | 499 | 176 |
30 | 372 | 506 | e420 | 755 | --- | 857 | 1280 | 507 | 1090 | 163 | 349 | 231 |
31 | 318 | --- | e390 | 739 | --- | 1150 | --- | 482 | --- | 163 | 270 | --- |
TOTAL | 9397 | 9072 | 15378 | 32715 | 34779 | 40276 | 53310 | 34965 | 19151 | 13202 | 17386 | 9500 |
MEAN | 303 | 302 | 496 | 1055 | 1242 | 1299 | 1777 | 1128 | 638 | 426 | 561 | 317 |
MAX | 1520 | 506 | 851 | 2660 | 1930 | 2930 | 2500 | 4240 | 1490 | 1440 | 2000 | 1530 |
MIN | 169 | 219 | 390 | 360 | 810 | 582 | 1160 | 394 | 252 | 160 | 142 | 155 |
CFSM | .48 | .48 | .79 | 1.68 | 1.97 | 2.06 | 2.82 | 1.79 | 1.01 | .68 | .89 | .50 |
IN. | .55 | .54 | .91 | 1.93 | 2.05 | 2.38 | 3.15 | 2.06 | 1.13 | .78 | 1.03 | .56 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1944 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 301 | 401 | 435 | 435 | 527 | 1016 | 1082 | 734 | 539 | 379 | 353 | 311 |
MAX | 2224 | 2056 | 2211 | 1711 | 1830 | 3499 | 3050 | 2362 | 1922 | 1355 | 2306 | 2035 |
(WY) | 1987 | 1986 | 1983 | 1960 | 1997 | 1979 | 1993 | 1996 | 1996 | 1993 | 1987 | 1972 |
MIN | 4.27 | 11.8 | 15.2 | 11.2 | 28.9 | 77.8 | 184 | 79.4 | 69.7 | 26.5 | 8.46 | 11.9 |
(WY) | 1954 | 1954 | 1945 | 1945 | 1963 | 1945 | 1945 | 1946 | 1963 | 1944 | 1944 | 1946 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1944 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 249264 | 289131 | ||||
ANNUAL MEAN | 683 | 792 | 542 | |||
HIGHEST ANNUAL MEAN | 1092 | 1993 | ||||
LOWEST ANNUAL MEAN | 111 | 1963 | ||||
HIGHEST DAILY MEAN | 6770 | Feb 22 | 4240 | May 8 | 9180 | Aug 15 1987 |
LOWEST DAILY MEAN | 158 | Sep 13, 14 | 142 | Aug 3 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 167 | Sep 10 | 157 | Jul 28 | 1.5 | Oct 19 1953 |
INSTANTANEOUS PEAK FLOW | 4450 | May 8 | 9770 | Aug 15 1987 | ||
INSTANTANEOUS PEAK STAGE | 6.86 | May 8 | 9.90 | Aug 15 1987 | ||
INSTANTANEOUS LOW FLOW | 135 | Aug 2, 3 | ||||
ANNUAL RUNOFF (CFSM) | 1.08 | 1.26 | .86 | |||
ANNUAL RUNOFF (INCHES) | 14.72 | 17.07 | 11.70 | |||
10 PERCENT EXCEEDS | 1180 | 1770 | 1340 | |||
50 PERCENT EXCEEDS | 472 | 520 | 293 | |||
90 PERCENT EXCEEDS | 211 | 199 | 35 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |