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 | 136 | 185 | 284 | 663 | 390 | 344 | 1110 | 493 | 250 | 325 | 155 | 220 |
2 | 135 | 175 | 245 | 221 | 718 | 330 | 1120 | 455 | 241 | 273 | 153 | 193 |
3 | 131 | 175 | 225 | 294 | 845 | 317 | 916 | 430 | 232 | 248 | 150 | 189 |
4 | 130 | 174 | 227 | 743 | 690 | 327 | 727 | 412 | 233 | 1030 | e1720 | 189 |
5 | 135 | 173 | 222 | 1010 | 577 | 359 | 609 | 392 | 230 | 1040 | e2620 | 181 |
6 | 142 | 174 | 210 | 1280 | 493 | 338 | 529 | 465 | 223 | 595 | 1870 | 174 |
7 | 133 | 214 | 197 | 1200 | 431 | 322 | 483 | 1500 | 213 | 795 | 1380 | 958 |
8 | 129 | 198 | 189 | 1150 | 401 | 413 | 883 | 3210 | 205 | 885 | 1130 | 1390 |
9 | 133 | 182 | 189 | 1200 | 382 | 1190 | 1400 | 3020 | 284 | 562 | 752 | 868 |
10 | 136 | 177 | 197 | 990 | 358 | 1220 | 1190 | 1830 | 642 | 432 | 526 | 480 |
11 | 133 | 164 | 263 | 728 | 529 | 933 | 884 | 1160 | 699 | 358 | 418 | 346 |
12 | 131 | 153 | 285 | 592 | 1090 | 735 | 713 | 867 | 1290 | 294 | 345 | 275 |
13 | 156 | 151 | 262 | 499 | 874 | 626 | 600 | 799 | 825 | 263 | 302 | 243 |
14 | 255 | 149 | 238 | 437 | 677 | 567 | 580 | 671 | 550 | 253 | 256 | 233 |
15 | 197 | 153 | 224 | 385 | 550 | 525 | 547 | 559 | 436 | 230 | 244 | 401 |
16 | 167 | 180 | 217 | 358 | 478 | 476 | 661 | 504 | 373 | 216 | 232 | 450 |
17 | 156 | 188 | 212 | 339 | 523 | 578 | 806 | 451 | 326 | 208 | 216 | 337 |
18 | 145 | 175 | 202 | 320 | 627 | 1950 | 647 | 392 | 303 | 202 | 213 | 277 |
19 | 145 | 165 | 202 | 296 | 609 | 2240 | 547 | 370 | 430 | 234 | 203 | 220 |
20 | 145 | 168 | 198 | 286 | 522 | 1740 | 493 | 352 | 466 | 281 | 199 | 210 |
21 | 136 | 166 | 198 | 281 | 463 | 1200 | 841 | 338 | 346 | 241 | 190 | 212 |
22 | 131 | 170 | 199 | 265 | 421 | 910 | 928 | 320 | 293 | 227 | 181 | 201 |
23 | 130 | 165 | 211 | 261 | 388 | 741 | 780 | 313 | 269 | 231 | 187 | 182 |
24 | 136 | 167 | 215 | 260 | 385 | 629 | 624 | 338 | 240 | 198 | 180 | 173 |
25 | 141 | 162 | 284 | 260 | 376 | 536 | 521 | 482 | 225 | 189 | 289 | 170 |
26 | 155 | 162 | 352 | 255 | 351 | 497 | 508 | 331 | 839 | 172 | 544 | 172 |
27 | 414 | 160 | 323 | 250 | 359 | 461 | 676 | 299 | 1020 | 163 | 397 | 167 |
28 | 469 | 280 | 281 | 253 | 371 | 464 | 558 | 293 | 556 | 172 | 346 | 162 |
29 | 312 | 301 | 259 | 273 | --- | 473 | 525 | 297 | 466 | 166 | 394 | 163 |
30 | 237 | 296 | 248 | 341 | --- | 438 | 551 | 283 | 398 | 162 | 311 | 170 |
31 | 201 | --- | 258 | 347 | --- | 502 | --- | 264 | --- | 160 | 249 | --- |
TOTAL | 5432 | 5502 | 7316 | 16037 | 14878 | 22381 | 21957 | 21890 | 13103 | 10805 | 16352 | 9606 |
MEAN | 175 | 183 | 236 | 517 | 531 | 722 | 732 | 706 | 437 | 349 | 527 | 320 |
MAX | 469 | 301 | 352 | 1280 | 1090 | 2240 | 1400 | 3210 | 1290 | 1040 | 2620 | 1390 |
MIN | 129 | 149 | 189 | 221 | 351 | 317 | 483 | 264 | 205 | 160 | 150 | 162 |
CFSM | .54 | .57 | .73 | 1.60 | 1.64 | 2.23 | 2.26 | 2.18 | 1.35 | 1.08 | 1.63 | .99 |
IN. | .62 | .63 | .84 | 1.84 | 1.71 | 2.57 | 2.52 | 2.51 | 1.50 | 1.24 | 1.88 | 1.10 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 179 | 218 | 240 | 243 | 311 | 475 | 505 | 407 | 308 | 227 | 187 | 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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1941 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 136981 | 165259 | ||||
ANNUAL MEAN | 375 | 453 | 289 | |||
HIGHEST ANNUAL MEAN | 564 | 1993 | ||||
LOWEST ANNUAL MEAN | 94.2 | 1963 | ||||
HIGHEST DAILY MEAN | 6400 | Feb 22 | 3210 | May 8 | 11400 | Oct 11 1954 |
LOWEST DAILY MEAN | 122 | Aug 2 | 129 | Oct 8 | 14 | Dec 24 1963 |
ANNUAL SEVEN-DAY MINIMUM | 132 | Jul 28 | 133 | Oct 3 | 15 | Dec 27 1963 |
INSTANTANEOUS PEAK FLOW | 3470 | May 8 | 17300 A | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 5.83 | May 8 | 14.03 B | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 115 | Oct 8, 11 | .20 C | Nov 17 1955 | ||
ANNUAL RUNOFF (CFSM) | 1.16 | 1.40 | .89 | |||
ANNUAL RUNOFF (INCHES) | 15.73 | 18.97 | 12.13 | |||
10 PERCENT EXCEEDS | 569 | 912 | 624 | |||
50 PERCENT EXCEEDS | 253 | 313 | 165 | |||
90 PERCENT EXCEEDS | 141 | 163 | 46 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |