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 | 296 | 348 | 359 | 212 | 773 | 487 | 283 | 1030 | 396 | 445 | 189 | 192 |
2 | 244 | 307 | 302 | 175 | 811 | 427 | 289 | 814 | 1400 | 545 | 181 | 179 |
3 | 348 | 285 | 265 | e190 | 944 | 430 | 278 | 690 | 1360 | 399 | 187 | 166 |
4 | 345 | 250 | 241 | e205 | 830 | 416 | 286 | 607 | 812 | 333 | 172 | 161 |
5 | 306 | 237 | 230 | e225 | 720 | 395 | 296 | 538 | 614 | 303 | 165 | 157 |
6 | 600 | 232 | 248 | e235 | 638 | 393 | 305 | 558 | 514 | 271 | 171 | 151 |
7 | 495 | 212 | 967 | e230 | 611 | 413 | 298 | 645 | 482 | 256 | 169 | 152 |
8 | 388 | 207 | 898 | e230 | 564 | 399 | 277 | 551 | 406 | 233 | 185 | 150 |
9 | 308 | 207 | 602 | e230 | 511 | 401 | 791 | 490 | 370 | 222 | 186 | 144 |
10 | 239 | 696 | 487 | e230 | 482 | 403 | 1080 | 435 | 363 | 348 | 194 | 140 |
11 | 214 | 1320 | 431 | e230 | 463 | 408 | 793 | 418 | 423 | 292 | 170 | 150 |
12 | 195 | 887 | 378 | e225 | 650 | 407 | 617 | 1500 | 1010 | 251 | 180 | 146 |
13 | 192 | 614 | 353 | e220 | 599 | 429 | 515 | 1750 | 1290 | 240 | 244 | 163 |
14 | 175 | 506 | 332 | e225 | 499 | 433 | 437 | 1150 | 2140 | 216 | 216 | 178 |
15 | 168 | 425 | 325 | e230 | 459 | 431 | 425 | 814 | 1740 | 207 | 197 | 159 |
16 | 169 | 374 | 298 | e250 | 448 | 521 | 1440 | 661 | 1050 | 206 | 181 | 149 |
17 | 248 | 346 | 281 | 314 | 426 | 857 | 1910 | 763 | 764 | 219 | 169 | 150 |
18 | 2520 | 310 | 281 | 511 | 410 | 965 | 1320 | 1080 | 617 | 267 | 163 | 146 |
19 | 2900 | 280 | 266 | 575 | 384 | 777 | 948 | 805 | 542 | 251 | 227 | 145 |
20 | 1920 | 265 | 242 | 484 | 364 | 618 | 753 | 636 | 465 | 271 | 301 | 151 |
21 | 1010 | 258 | 231 | 387 | 342 | 522 | 664 | 537 | 411 | 379 | 228 | 164 |
22 | 686 | 245 | 234 | 1770 | 329 | 455 | 709 | 1170 | 382 | 351 | 198 | 146 |
23 | 535 | 236 | 212 | 3680 | 324 | 424 | 2050 | 1460 | 450 | 332 | 189 | 140 |
24 | 447 | 230 | 209 | 4410 | 315 | 382 | 2790 | 1080 | 520 | 355 | 299 | 146 |
25 | 384 | 225 | 203 | 3340 | 307 | 358 | 1840 | 808 | 452 | 356 | 609 | 134 |
26 | 348 | 228 | 205 | 1870 | 307 | 347 | 1160 | 627 | 368 | 287 | 555 | 137 |
27 | 312 | 222 | 201 | 1310 | 381 | 330 | 1210 | 520 | 350 | 255 | 379 | 148 |
28 | 475 | 223 | 197 | 1300 | 533 | 308 | 2770 | 449 | 551 | 231 | 286 | 506 |
29 | 457 | 212 | 208 | 1140 | --- | 297 | 2380 | 410 | 476 | 211 | 242 | 881 |
30 | 408 | 217 | 158 | 945 | --- | 296 | 1460 | 383 | 377 | 200 | 218 | 662 |
31 | 387 | --- | 190 | 845 | --- | 282 | --- | 361 | --- | 200 | 202 | --- |
TOTAL | 17719 | 10604 | 10034 | 26423 | 14424 | 14011 | 30374 | 23740 | 21095 | 8932 | 7252 | 6193 |
MEAN | 572 | 353 | 324 | 852 | 515 | 452 | 1012 | 766 | 703 | 288 | 234 | 206 |
MAX | 2900 | 1320 | 967 | 4410 | 944 | 965 | 2790 | 1750 | 2140 | 545 | 609 | 881 |
MIN | 168 | 207 | 158 | 175 | 307 | 282 | 277 | 361 | 350 | 200 | 163 | 134 |
CFSM | 1.76 | 1.09 | 1.00 | 2.63 | 1.59 | 1.39 | 3.12 | 2.36 | 2.17 | .89 | .72 | .64 |
IN. | 2.03 | 1.22 | 1.15 | 3.03 | 1.66 | 1.61 | 3.49 | 2.73 | 2.42 | 1.03 | .83 | .71 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 186 | 220 | 242 | 253 | 315 | 474 | 514 | 413 | 315 | 228 | 188 | 175 |
MAX | 1474 | 788 | 1257 | 927 | 1267 | 1946 | 1418 | 1105 | 946 | 1337 | 1245 | 908 |
(WY) | 1955 | 1986 | 1983 | 1993 | 1997 | 1979 | 1983 | 1974 | 1996 | 1996 | 1987 | 1961 |
MIN | 26.2 | 27.4 | 22.7 | 30.8 | 28.4 | 71.2 | 102 | 99.5 | 68.6 | 45.8 | 31.2 | 26.8 |
(WY) | 1957 | 1957 | 1964 | 1954 | 1964 | 1945 | 1963 | 1958 | 1963 | 1956 | 1941 | 1946 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1941 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 185366 | 190801 | ||||
ANNUAL MEAN | 508 | 523 | 293 | |||
HIGHEST ANNUAL MEAN | 564 | 1993 | ||||
LOWEST ANNUAL MEAN | 94.2 | 1963 | ||||
HIGHEST DAILY MEAN | 3210 | May 8 | 4410 | Jan 24 | 11400 | Oct 11 1954 |
LOWEST DAILY MEAN | 150 | Aug 3 | 134 | Sep 25 | 14 | Dec 24 1963 |
ANNUAL SEVEN-DAY MINIMUM | 160 | Jul 28 | 145 | Sep 21 | 15 | Dec 27 1963 |
INSTANTANEOUS PEAK FLOW | 4680 | Jan 24 | 17300 A | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 6.99 | Jan 24 | 14.03 B | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 130 | Sep 25 - 27 | .20 C | Nov 17 1955 | ||
ANNUAL RUNOFF (CFSM) | 1.57 | 1.61 | .91 | |||
ANNUAL RUNOFF (INCHES) | 21.28 | 21.91 | 12.30 | |||
10 PERCENT EXCEEDS | 998 | 1060 | 632 | |||
50 PERCENT EXCEEDS | 358 | 356 | 167 | |||
90 PERCENT EXCEEDS | 199 | 177 | 46 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |