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 | 4.2 | 6.9 | 8.5 | 12 | 78 | 403 | 675 | 324 | 143 | 336 | 22 | 10 |
2 | 4.1 | 6.1 | 8.4 | 18 | 117 | 334 | 587 | 304 | 138 | 246 | 20 | 9.4 |
3 | 4.4 | 6.8 | 9.1 | 42 | 145 | 297 | 495 | 281 | 133 | 201 | 18 | 10 |
4 | 3.9 | 6.7 | 8.6 | 111 | 156 | 264 | 424 | 265 | 127 | 180 | 19 | 8.4 |
5 | 3.6 | 8.5 | 8.2 | 227 | 145 | 234 | 365 | 253 | 124 | 160 | 25 | 7.3 |
6 | 3.5 | 13 | 8.2 | 235 | 139 | 217 | 329 | 280 | 119 | 446 | 237 | 15 |
7 | 3.7 | 9.1 | 7.9 | 301 | 130 | 207 | 318 | 1670 | 111 | 592 | 173 | 18 |
8 | 4.0 | 9.0 | 7.7 | 366 | 126 | 310 | 450 | 3750 | 111 | 489 | 106 | 8.8 |
9 | 4.5 | 8.3 | 8.1 | 304 | 125 | 664 | 1180 | 1500 | 215 | 297 | 71 | 9.1 |
10 | 3.5 | 8.0 | 11 | 216 | 127 | 481 | 1060 | 900 | 239 | 226 | 52 | 9.3 |
11 | 3.1 | 7.4 | 12 | 204 | 364 | 430 | 689 | 679 | 637 | 183 | 41 | 8.1 |
12 | 3.0 | 7.1 | 9.4 | 205 | 988 | 342 | 545 | 553 | 974 | 156 | 33 | 7.2 |
13 | 4.3 | 7.2 | 8.9 | 133 | 669 | 319 | 474 | 602 | 620 | 136 | 28 | 7.0 |
14 | 3.5 | 6.7 | 8.2 | e140 | 495 | 289 | 450 | 565 | 485 | 120 | 25 | 22 |
15 | 2.9 | 7.6 | 8.1 | e137 | 414 | 248 | 419 | 452 | 464 | 107 | 22 | 16 |
16 | 2.6 | 7.0 | 8.4 | e120 | 364 | 235 | 828 | 392 | 400 | 93 | 19 | 11 |
17 | 2.4 | 6.9 | 8.2 | e102 | 330 | 318 | 700 | 336 | 357 | 83 | 19 | 11 |
18 | 2.3 | 7.0 | 8.2 | e92 | 304 | 1440 | 522 | 308 | 341 | 74 | 18 | 11 |
19 | 2.2 | 6.8 | 8.4 | e90 | 269 | 1480 | 440 | 286 | 974 | 66 | 16 | 9.7 |
20 | 2.2 | 7.1 | 8.3 | e87 | 248 | 905 | 394 | 266 | 543 | 81 | 15 | 30 |
21 | 2.1 | 7.0 | 8.4 | e83 | 230 | 642 | 511 | 249 | 412 | 96 | 14 | 18 |
22 | 2.3 | 6.9 | 11 | 79 | 214 | 509 | 595 | 234 | 338 | 74 | 19 | 12 |
23 | 2.4 | 6.6 | 11 | 77 | 204 | 427 | 512 | 221 | 297 | 62 | 13 | 10 |
24 | 3.7 | 6.4 | 13 | 76 | 204 | 363 | 432 | 223 | 281 | 53 | 12 | 11 |
25 | 3.0 | 6.5 | 16 | 70 | 193 | 326 | 383 | 204 | 251 | 46 | 10 | 11 |
26 | 9.0 | 6.5 | 15 | 64 | 198 | 307 | 361 | 190 | 221 | 41 | 9.3 | 11 |
27 | 13 | 7.0 | 13 | 65 | 393 | 280 | 417 | 180 | 200 | 37 | 8.6 | 9.9 |
28 | 9.4 | 10 | 13 | 65 | 516 | 269 | 411 | 172 | 218 | 34 | 20 | 9.4 |
29 | 8.3 | 9.2 | 14 | 69 | --- | 246 | 377 | 168 | 352 | 31 | 14 | 15 |
30 | 6.9 | 9.5 | 13 | 68 | --- | 234 | 344 | 161 | 1160 | 28 | 16 | 12 |
31 | 6.4 | --- | 12 | 67 | --- | 340 | --- | 156 | --- | 25 | 12 | --- |
TOTAL | 134.4 | 228.8 | 313.2 | 3925 | 7885 | 13360 | 15687 | 16124 | 10985 | 4799 | 1126.9 | 357.6 |
MEAN | 4.34 | 7.63 | 10.1 | 127 | 282 | 431 | 523 | 520 | 366 | 155 | 36.4 | 11.9 |
MAX | 13 | 13 | 16 | 366 | 988 | 1480 | 1180 | 3750 | 1160 | 592 | 237 | 30 |
MIN | 2.1 | 6.1 | 7.7 | 12 | 78 | 207 | 318 | 156 | 111 | 25 | 8.6 | 7.0 |
CFSM | .02 | .04 | .05 | .65 | 1.44 | 2.20 | 2.67 | 2.65 | 1.87 | .79 | .19 | .06 |
IN. | .03 | .04 | .06 | .74 | 1.50 | 2.54 | 2.98 | 3.06 | 2.08 | .91 | .21 | .07 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1936 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 58.7 | 85.7 | 94.1 | 128 | 186 | 262 | 247 | 225 | 201 | 101 | 58.4 | 57.4 |
MAX | 523 | 556 | 572 | 626 | 851 | 1439 | 832 | 915 | 716 | 624 | 356 | 567 |
(WY) | 1942 | 1993 | 1983 | 1969 | 1949 | 1979 | 1973 | 1995 | 1972 | 1982 | 1972 | 1970 |
MIN | .92 | .37 | 1.79 | .000 | 4.84 | 24.5 | 14.6 | 9.94 | 10.2 | .63 | 2.29 | 1.93 |
(WY) | 1954 | 1954 | 1977 | 1940 | 1963 | 1977 | 1977 | 1989 | 1977 | 1936 | 1944 | 1943 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1936 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 43415.7 | 74925.9 | ||||
ANNUAL MEAN | 119 | 205 | 142 | |||
HIGHEST ANNUAL MEAN | 365 | 1993 | ||||
LOWEST ANNUAL MEAN | 14.6 | 1977 | ||||
HIGHEST DAILY MEAN | 6930 | Feb 21 | 3750 | May 8 | 8730 | Jun 24 1994 |
LOWEST DAILY MEAN | 2.1 | Oct 21 | 2.1 | Oct 21 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 2.3 | Oct 17 | 2.3 | Oct 17 | .00 | Jan 1 1940 |
INSTANTANEOUS PEAK FLOW | 4260 | May 8 | 12500 B | May 17 1974 | ||
INSTANTANEOUS PEAK STAGE | 9.32 | May 8 | 16.01 | May 17 1974 | ||
INSTANTANEOUS LOW FLOW | 1.7 | Oct 21 | ||||
ANNUAL RUNOFF (CFSM) | .61 | 1.05 | .73 | |||
ANNUAL RUNOFF (INCHES) | 8.24 | 14.22 | 9.87 | |||
10 PERCENT EXCEEDS | 182 | 501 | 333 | |||
50 PERCENT EXCEEDS | 25 | 93 | 55 | |||
90 PERCENT EXCEEDS | 3.9 | 6.9 | 3.1 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |