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 | 13 | 23 | 65 | 63 | 226 | 269 | 1130 | 1510 | 275 | 540 | 119 | e26 |
2 | 12 | 20 | 57 | 67 | 226 | 248 | 1020 | 1480 | 256 | 351 | 113 | e24 |
3 | 13 | 19 | 51 | 72 | 214 | 230 | 748 | 3030 | 246 | 291 | e110 | e23 |
4 | 12 | 18 | 40 | 72 | 201 | 220 | 645 | 4290 | 224 | 633 | e1200 | e22 |
5 | 12 | 12 | 34 | 97 | 194 | 202 | 562 | 4300 | 215 | 1360 | e800 | e20 |
6 | 11 | 13 | 31 | 528 | 183 | 187 | 497 | 2630 | 201 | 1010 | e330 | e19 |
7 | 11 | 13 | 28 | 774 | 166 | 177 | 451 | 2070 | 184 | 1920 | 537 | e18 |
8 | 12 | 13 | 22 | 1020 | 153 | 197 | 979 | 3540 | 184 | 2150 | 680 | e17 |
9 | 15 | 13 | 24 | 1810 | 145 | 1270 | 1110 | 3950 | 270 | 1370 | 251 | e16 |
10 | 14 | 13 | 30 | 1890 | 139 | 1930 | 707 | 4250 | 669 | 685 | 432 | e16 |
11 | 13 | 12 | 30 | 882 | 144 | 1250 | 534 | 2070 | 1640 | 470 | e105 | e15 |
12 | 14 | 12 | 29 | 519 | 197 | 784 | 441 | 849 | 3520 | 374 | e80 | e15 |
13 | 15 | 11 | 29 | e380 | 318 | 584 | 398 | 623 | 3940 | 321 | e65 | e14 |
14 | 16 | 13 | 31 | e300 | 276 | 512 | 503 | 475 | 2860 | 280 | e55 | e14 |
15 | 16 | 14 | 28 | e260 | 236 | 521 | 855 | 407 | 4260 | 247 | e50 | 14 |
16 | 15 | 11 | 25 | e240 | 217 | 515 | 592 | 368 | 4970 | 224 | e65 | 14 |
17 | 16 | 10 | 26 | e210 | 225 | 1600 | 532 | 324 | 4610 | 204 | e110 | 14 |
18 | 19 | 12 | 25 | e190 | 427 | 4040 | 448 | 290 | 3430 | 193 | e85 | 13 |
19 | 17 | 11 | 24 | e180 | 658 | 3750 | 380 | 433 | 2870 | 190 | e60 | 13 |
20 | 17 | 11 | 26 | e170 | 511 | 4300 | 348 | 3060 | 2140 | 181 | e50 | 15 |
21 | 15 | 12 | 27 | 160 | 432 | 4420 | 345 | 1070 | 1100 | 172 | e43 | 25 |
22 | 15 | 12 | 31 | 157 | 355 | 3480 | 412 | 629 | 726 | 247 | e38 | 12 |
23 | 15 | 12 | 30 | 154 | 307 | 2790 | 363 | 631 | 893 | 498 | e35 | 12 |
24 | 15 | 12 | 35 | 146 | 283 | 1640 | 315 | 1430 | 1090 | 486 | e32 | 12 |
25 | 15 | 12 | 57 | 136 | 255 | 1030 | 294 | 1120 | 566 | 267 | e31 | 12 |
26 | 17 | 12 | 248 | 128 | 234 | 784 | 281 | 657 | 444 | 194 | e30 | 12 |
27 | 21 | 12 | 192 | 125 | 237 | 625 | 261 | 484 | 384 | 175 | e29 | 12 |
28 | 19 | 19 | 140 | 133 | 260 | 2870 | 229 | 393 | 344 | 168 | e28 | 12 |
29 | 24 | 20 | 113 | 186 | --- | 3560 | 284 | 329 | 376 | 151 | e27 | 11 |
30 | 27 | 53 | 98 | 237 | --- | 1820 | 1320 | 386 | 493 | 141 | e26 | 11 |
31 | 22 | --- | 80 | 232 | --- | 1060 | --- | 324 | --- | 130 | e28 | --- |
TOTAL | 488 | 450 | 1706 | 11518 | 7419 | 46865 | 16984 | 47402 | 43380 | 15623 | 5644 | 473 |
MEAN | 15.7 | 15.0 | 55.0 | 372 | 265 | 1512 | 566 | 1529 | 1446 | 504 | 182 | 15.8 |
MAX | 27 | 53 | 248 | 1890 | 658 | 4420 | 1320 | 4300 | 4970 | 2150 | 1200 | 26 |
MIN | 11 | 10 | 22 | 63 | 139 | 177 | 229 | 290 | 184 | 130 | 26 | 11 |
CFSM | .04 | .03 | .13 | .86 | .61 | 3.50 | 1.31 | 3.54 | 3.35 | 1.17 | .42 | .04 |
IN. | .04 | .04 | .15 | .99 | .64 | 4.04 | 1.46 | 4.08 | 3.74 | 1.35 | .49 | .04 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 141 | 346 | 409 | 356 | 561 | 825 | 722 | 724 | 460 | 306 | 196 | 105 |
MAX | 1088 | 2278 | 1097 | 1679 | 2580 | 2088 | 2384 | 1656 | 1446 | 1320 | 1060 | 1116 |
(WY) | 1994 | 1986 | 1991 | 1993 | 1982 | 1979 | 1994 | 1995 | 1998 | 1993 | 1981 | 1993 |
MIN | 12.4 | 9.54 | 28.3 | 20.2 | 69.5 | 83.2 | 133 | 92.1 | 27.0 | 12.8 | 12.1 | 8.82 |
(WY) | 1981 | 1981 | 1990 | 1981 | 1989 | 1981 | 1986 | 1988 | 1988 | 1988 | 1991 | 1991 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1979 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 128090 | 197952 | ||||
ANNUAL MEAN | 351 | 542 | 429 | |||
HIGHEST ANNUAL MEAN | 901 | 1993 | ||||
LOWEST ANNUAL MEAN | 185 | 1987 | ||||
HIGHEST DAILY MEAN | 4530 | Feb 27 | 4970 | Jun 16 | 14400 | Apr 13 1994 |
LOWEST DAILY MEAN | 10 | Nov 17 | 10 | Nov 17 | 4.5 | Nov 20 1980 |
ANNUAL SEVEN-DAY MINIMUM | 11 | Nov 16 | 11 | Nov 16 | 5.1 | Nov 16 1980 |
INSTANTANEOUS PEAK FLOW | 5800 | Jun 16 | 15500 | Apr 13 1994 | ||
INSTANTANEOUS PEAK STAGE | 10.03 | Jun 16 | 20.46 | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | 9.5 | Nov 16 | ||||
ANNUAL RUNOFF (CFSM) | .81 | 1.26 | .99 | |||
ANNUAL RUNOFF (INCHES) | 11.03 | 17.05 | 13.48 | |||
10 PERCENT EXCEEDS | 960 | 1550 | 1020 | |||
50 PERCENT EXCEEDS | 148 | 194 | 160 | |||
90 PERCENT EXCEEDS | 15 | 13 | 16 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |