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 | 7.7 | e7.0 | 45 | e23 | 84 | 455 | 1350 | 669 | 202 | 868 | 446 | 208 |
2 | 7.7 | e7.2 | 65 | e21 | 73 | 286 | 1050 | 704 | 180 | 548 | 253 | 211 |
3 | 6.8 | e7.6 | 45 | e20 | 65 | 226 | 931 | 1100 | 144 | 354 | 161 | 135 |
4 | 6.3 | e9.0 | 172 | e22 | 60 | 194 | 2250 | 2030 | 208 | 262 | 121 | 74 |
5 | 6.0 | e11 | 225 | 37 | 57 | 184 | 2320 | 1990 | 635 | 211 | 2370 | 56 |
6 | 5.8 | e15 | 220 | 100 | 55 | 193 | 1320 | 1100 | 477 | 254 | 2920 | 48 |
7 | 7.0 | e20 | 221 | 146 | 52 | 185 | 878 | 839 | 253 | 254 | 2910 | 44 |
8 | 6.2 | e32 | 219 | 511 | 48 | 542 | 686 | 833 | 295 | 475 | 3110 | 40 |
9 | 6.4 | e29 | 219 | 1780 | 46 | 2480 | 567 | 720 | 1480 | 463 | 1430 | 38 |
10 | 8.0 | e25 | 221 | 1020 | 44 | 2580 | 482 | 564 | 1920 | 218 | 795 | 35 |
11 | 6.6 | e22 | 226 | 538 | 50 | 1420 | 404 | 435 | 1070 | 305 | 597 | 33 |
12 | 5.4 | e19 | 223 | 407 | 75 | 778 | 332 | 340 | 2220 | 835 | 428 | 32 |
13 | 8.2 | e17 | 219 | 358 | 160 | 548 | 291 | 276 | 2820 | 426 | 293 | 30 |
14 | 8.5 | e15 | 209 | 328 | 125 | 462 | 404 | 390 | 2170 | 276 | 223 | 30 |
15 | 10 | e15 | 194 | 356 | 93 | 457 | 1240 | 441 | 3350 | 195 | 179 | 31 |
16 | 11 | e16 | 189 | 362 | 87 | 389 | 4060 | 280 | 4340 | 151 | 160 | 29 |
17 | 9.3 | e17 | 167 | 306 | 351 | 459 | 5600 | 230 | 4220 | 124 | 132 | 31 |
18 | 9.6 | e20 | 63 | 148 | 2090 | 2220 | 2680 | 189 | 4100 | 335 | 534 | 31 |
19 | 9.1 | e21 | 30 | 93 | 1750 | 3280 | 991 | 152 | 2610 | 254 | 904 | 31 |
20 | 7.8 | e22 | 22 | 93 | 792 | 3860 | 639 | 123 | 1530 | 127 | 648 | 31 |
21 | 7.1 | e20 | 20 | 86 | 563 | 5950 | 509 | 115 | 2190 | 89 | 353 | 35 |
22 | 6.7 | e17 | 32 | 76 | 422 | 8310 | 442 | 1260 | 2040 | 182 | 234 | 30 |
23 | 7.9 | e14 | 32 | 73 | 323 | 7660 | 377 | 3570 | 1560 | 1110 | 176 | 25 |
24 | 12 | e12 | 62 | 71 | 259 | 3530 | 323 | 3750 | 1470 | 729 | 139 | 24 |
25 | 13 | e10 | 199 | 68 | 213 | 1480 | 277 | 2120 | 914 | 305 | 108 | 297 |
26 | e11 | e8.5 | 219 | 66 | 184 | 946 | 250 | 1190 | 598 | 180 | 94 | 425 |
27 | e10 | e7.5 | 105 | 76 | 529 | 741 | 220 | 789 | 432 | 152 | 77 | 153 |
28 | e8.5 | e7.0 | 68 | 103 | 900 | 2390 | 212 | 550 | 321 | 120 | 67 | 81 |
29 | e7.5 | e8.0 | 50 | 111 | --- | 4140 | 388 | 412 | 387 | 96 | 63 | 53 |
30 | e7.2 | e20 | 39 | 107 | --- | 3950 | 784 | 318 | 593 | 874 | 57 | 42 |
31 | e7.0 | --- | 32 | 98 | --- | 1990 | --- | 258 | --- | 1170 | 71 | --- |
TOTAL | 251.3 | 470.8 | 4052 | 7604 | 9550 | 62285 | 32257 | 27737 | 44729 | 11942 | 20053 | 2363 |
MEAN | 8.11 | 15.7 | 131 | 245 | 341 | 2009 | 1075 | 895 | 1491 | 385 | 647 | 78.8 |
MAX | 13 | 32 | 226 | 1780 | 2090 | 8310 | 5600 | 3750 | 4340 | 1170 | 3110 | 425 |
MIN | 5.4 | 7.0 | 20 | 20 | 44 | 184 | 212 | 115 | 144 | 89 | 57 | 24 |
CFSM | .01 | .02 | .19 | .36 | .50 | 2.96 | 1.59 | 1.32 | 2.20 | .57 | .95 | .12 |
IN. | .01 | .03 | .22 | .42 | .52 | 3.42 | 1.77 | 1.52 | 2.45 | .66 | 1.10 | .13 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 13.7 | 95.9 | 143 | 376 | 595 | 1166 | 873 | 1149 | 617 | 245 | 224 | 31.6 |
MAX | 16.6 | 250 | 204 | 484 | 1302 | 2009 | 1385 | 2414 | 1491 | 385 | 647 | 78.8 |
(WY) | 1996 | 1997 | 1997 | 1996 | 1997 | 1998 | 1996 | 1996 | 1998 | 1998 | 1998 | 1998 |
MIN | 8.11 | 15.7 | 95.0 | 245 | 156 | 168 | 157 | 140 | 258 | 34.3 | 16.9 | 12.5 |
(WY) | 1998 | 1998 | 1996 | 1998 | 1996 | 1996 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1995 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 113317.2 | 223294.1 | ||||
ANNUAL MEAN | 310 | 612 | 472 | |||
HIGHEST ANNUAL MEAN | 612 | 1998 | ||||
LOWEST ANNUAL MEAN | 337 | 1997 | ||||
HIGHEST DAILY MEAN | 7830 | Mar 1 | 8310 | Mar 22 | 15900 | May 19 1995 |
LOWEST DAILY MEAN | 5.4 | Oct 12 | 5.4 | Oct 12 | 5.4 | Oct 12 1997 |
ANNUAL SEVEN-DAY MINIMUM | 6.4 | Oct 3 | 6.4 | Oct 3 | 6.4 | Oct 3 1997 |
INSTANTANEOUS PEAK FLOW | 9040 | Mar 22 | 17700 | May 19 1995 | ||
INSTANTANEOUS PEAK STAGE | 58.82 | Mar 22 | 60.21 | May 19 1995 | ||
INSTANTANEOUS LOW FLOW | 4.7 | Oct 13 | 4.7 | Oct 13 1997 | ||
ANNUAL RUNOFF (CFSM) | .46 | .90 | .70 | |||
ANNUAL RUNOFF (INCHES) | 6.22 | 12.25 | 9.45 | |||
10 PERCENT EXCEEDS | 696 | 2010 | 1230 | |||
50 PERCENT EXCEEDS | 53 | 209 | 105 | |||
90 PERCENT EXCEEDS | 9.1 | 11 | 15 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |