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 | e9.5 | e20 | 40 | 100 | 329 | 219 | 1530 | 1800 | 281 | 949 | 80 | 22 |
2 | e10 | e18 | 33 | 87 | 301 | 205 | 1420 | 1500 | 254 | 752 | 71 | 21 |
3 | e10 | e16 | 29 | 80 | 254 | 202 | 1030 | 1670 | 230 | 467 | 66 | 21 |
4 | e9.6 | e15 | 26 | 260 | 231 | 190 | 799 | 5850 | 218 | 1190 | 64 | 21 |
5 | e9.4 | e14 | 22 | 553 | 217 | 172 | 652 | 5370 | 206 | 1570 | 64 | 20 |
6 | e10 | e13 | 17 | 1190 | 196 | 159 | 569 | 3390 | 189 | 1100 | 63 | 19 |
7 | e11 | e12 | 17 | 1180 | 177 | 154 | 516 | 2740 | 176 | 3610 | 70 | 19 |
8 | 11 | e12 | 17 | 1540 | 163 | 224 | 1180 | 8070 | 167 | 6980 | 280 | 19 |
9 | e12 | e12 | 18 | 2650 | 152 | 1520 | 1680 | 6740 | 404 | 4390 | 302 | 18 |
10 | e13 | e12 | 21 | 2220 | 145 | 2630 | 2080 | 4020 | 969 | 2510 | 208 | 17 |
11 | e13 | e11 | 27 | 1360 | 157 | 2050 | 1280 | 2400 | 1410 | 1380 | 141 | 17 |
12 | e14 | e11 | 29 | 797 | 239 | 1350 | 855 | 1420 | 7040 | 768 | 89 | 16 |
13 | e15 | e10 | 28 | 521 | 325 | 883 | 690 | 881 | 5990 | 505 | 69 | 16 |
14 | 16 | e11 | 26 | 374 | 292 | 720 | 806 | 672 | 3740 | 380 | 59 | 16 |
15 | 15 | e13 | 30 | 355 | 246 | 705 | 1020 | 549 | 2500 | 309 | 53 | 15 |
16 | 15 | e11 | 29 | 297 | 229 | 737 | 1280 | 479 | 2780 | 263 | 92 | 15 |
17 | 16 | e10 | 25 | 260 | 244 | 1460 | 1170 | 407 | 4130 | 225 | 96 | 15 |
18 | 17 | e11 | 22 | 224 | 538 | 6210 | 877 | 366 | 2540 | 197 | 53 | 15 |
19 | e16 | e10 | 21 | 197 | 718 | 6040 | 678 | 370 | 2320 | 175 | 42 | 14 |
20 | e15 | e10 | 20 | 185 | 572 | 4150 | 548 | 1450 | 2100 | 159 | 36 | 14 |
21 | e15 | e11 | 21 | 175 | 461 | 4840 | 641 | 751 | 1350 | 214 | 33 | 14 |
22 | e14 | e11 | 23 | 170 | 385 | 4320 | 701 | 483 | 804 | 238 | 30 | 13 |
23 | e14 | e11 | 30 | 166 | 344 | 2980 | 593 | 763 | 698 | 514 | 28 | 13 |
24 | e14 | e11 | 45 | 155 | 311 | 1890 | 505 | 920 | 689 | 515 | 28 | 13 |
25 | e14 | e11 | 158 | 144 | 274 | 1300 | 443 | 995 | 492 | 263 | 27 | 14 |
26 | e16 | e11 | 253 | 138 | 258 | 945 | 413 | 623 | 400 | 176 | 26 | 14 |
27 | e17 | e12 | 201 | 134 | 263 | 741 | 351 | 469 | 345 | 146 | 24 | 13 |
28 | e19 | e14 | 152 | 173 | 237 | 1540 | 310 | 390 | 305 | 128 | 23 | 13 |
29 | e21 | e17 | 128 | 289 | --- | 3700 | 328 | 343 | 484 | 113 | 23 | 13 |
30 | e25 | e31 | 110 | 371 | --- | 2980 | 934 | 317 | 1420 | 98 | 24 | 13 |
31 | e23 | --- | 92 | 355 | --- | 1790 | --- | 332 | --- | 89 | 23 | --- |
TOTAL | 449.5 | 392 | 1710 | 16700 | 8258 | 57006 | 25879 | 56530 | 44631 | 30373 | 2287 | 483 |
MEAN | 14.5 | 13.1 | 55.2 | 539 | 295 | 1839 | 863 | 1824 | 1488 | 980 | 73.8 | 16.1 |
MAX | 25 | 31 | 253 | 2650 | 718 | 6210 | 2080 | 8070 | 7040 | 6980 | 302 | 22 |
MIN | 9.4 | 10 | 17 | 80 | 145 | 154 | 310 | 317 | 167 | 89 | 23 | 13 |
CFSM | .03 | .03 | .12 | 1.21 | .66 | 4.12 | 1.93 | 4.09 | 3.34 | 2.20 | .17 | .04 |
IN. | .04 | .03 | .14 | 1.39 | .69 | 4.75 | 2.16 | 4.72 | 3.72 | 2.53 | .19 | .04 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 118 | 232 | 375 | 409 | 527 | 670 | 707 | 572 | 503 | 316 | 103 | 112 |
MAX | 1290 | 1964 | 1361 | 2240 | 1918 | 1915 | 1908 | 1824 | 1722 | 1599 | 814 | 1250 |
(WY) | 1994 | 1986 | 1991 | 1950 | 1951 | 1979 | 1994 | 1998 | 1980 | 1993 | 1977 | 1993 |
MIN | 4.55 | 7.69 | 5.57 | 4.06 | 12.0 | 64.5 | 110 | 56.6 | 27.2 | 10.8 | 6.13 | 4.27 |
(WY) | 1964 | 1964 | 1964 | 1977 | 1963 | 1981 | 1986 | 1988 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1948 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 143879.4 | 244698.5 | ||||
ANNUAL MEAN | 394 | 670 | 386 | |||
HIGHEST ANNUAL MEAN | 855 | 1993 | ||||
LOWEST ANNUAL MEAN | 87.2 | 1954 | ||||
HIGHEST DAILY MEAN | 4490 | Feb 28 | 8070 | May 8 | 15200 | Apr 13 1994 |
LOWEST DAILY MEAN | 8.9 A | Sep 30 | 9.4 A | Oct 5 | 2.5 | Sep 1 1972 |
ANNUAL SEVEN-DAY MINIMUM | 9.6 | Sep 30 | 9.9 | Oct 1 | 2.9 | Sep 11 1988 |
INSTANTANEOUS PEAK FLOW | 9240 | May 8 | 22900 B | Feb 21 1951 | ||
INSTANTANEOUS PEAK STAGE | 21.30 | May 8 | 28.16 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 2.0 | C | ||||
ANNUAL RUNOFF (CFSM) | .88 | 1.50 | .87 | |||
ANNUAL RUNOFF (INCHES) | 12.00 | 20.41 | 11.77 | |||
10 PERCENT EXCEEDS | 1140 | 1790 | 1010 | |||
50 PERCENT EXCEEDS | 155 | 197 | 129 | |||
90 PERCENT EXCEEDS | 14 | 13 | 11 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |