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 | 19 | 18 | 777 | 162 | 298 | 396 | 1340 | 1390 | 576 | 1090 | 106 | 10 |
2 | 18 | 25 | 752 | 192 | 262 | 361 | 1170 | 1580 | 496 | 873 | 62 | 11 |
3 | 17 | 31 | 547 | 177 | 236 | 337 | 1010 | 1960 | 438 | 653 | 48 | 10 |
4 | 16 | 25 | 373 | 175 | 210 | 311 | 1340 | 3620 | 385 | 538 | 40 | 9.6 |
5 | 16 | 24 | 256 | 242 | 206 | 275 | 1720 | 4180 | 371 | 501 | 40 | 9.7 |
6 | 15 | 26 | 184 | 635 | 194 | 243 | 1480 | 2830 | 358 | 427 | 45 | 9.2 |
7 | 16 | 46 | 142 | 973 | 174 | 229 | 1180 | 1890 | 310 | 487 | 62 | 8.6 |
8 | 18 | 57 | 127 | 1320 | 160 | 314 | 1300 | 2020 | 278 | 1090 | 77 | 8.1 |
9 | 18 | 54 | 117 | 1920 | 149 | 914 | 1430 | 2210 | 545 | 1080 | 94 | 6.8 |
10 | 21 | 46 | 228 | 1960 | 142 | 1340 | 1190 | 1730 | 924 | 769 | 84 | 4.7 |
11 | 21 | 38 | 478 | 1520 | 173 | 1240 | 928 | 1280 | 860 | 547 | 134 | 6.4 |
12 | 18 | 33 | 473 | 1130 | 338 | 982 | 744 | 1010 | 1050 | 408 | 78 | 5.5 |
13 | 18 | 30 | 365 | e750 | 380 | 781 | 650 | 819 | 2100 | 318 | 45 | 6.2 |
14 | 19 | 32 | 278 | e510 | 322 | 738 | 678 | 824 | 2270 | 254 | 34 | 6.4 |
15 | 29 | 32 | 217 | e450 | 272 | 747 | 710 | 756 | 2410 | 207 | 29 | 6.2 |
16 | 19 | 35 | 182 | e390 | 261 | 713 | 670 | 637 | 3620 | 176 | 25 | 7.0 |
17 | 16 | 32 | 162 | e340 | 358 | 804 | 599 | 535 | 3380 | 150 | 22 | 11 |
18 | 15 | 30 | 142 | e290 | 792 | 1640 | 502 | 450 | 2660 | 128 | 21 | 11 |
19 | 15 | 29 | 125 | e260 | 988 | 2150 | 446 | 408 | 2330 | 111 | 22 | 6.7 |
20 | 14 | 27 | 112 | e235 | 896 | 2260 | 406 | 555 | 2440 | 101 | 19 | 7.4 |
21 | 13 | 28 | 99 | 221 | 775 | 3110 | 388 | 865 | 1900 | 99 | 16 | 17 |
22 | 13 | 32 | 112 | 215 | 665 | 3050 | 389 | 810 | 1400 | 71 | 16 | 17 |
23 | 12 | 31 | 167 | 207 | 589 | 2240 | 353 | 1230 | 2040 | 118 | 14 | 7.2 |
24 | 13 | 28 | 241 | 196 | 525 | 1630 | 324 | 2170 | 2150 | 218 | 13 | 5.9 |
25 | e14 | 26 | 637 | 180 | 457 | 1280 | 307 | 2820 | 1650 | 129 | 13 | 8.1 |
26 | e16 | 26 | 810 | 171 | 410 | 1060 | 304 | 2570 | 1190 | 86 | 13 | 17 |
27 | e25 | 25 | 667 | 188 | 420 | 889 | 280 | 1740 | 917 | 66 | 11 | 8.9 |
28 | e37 | 30 | 498 | 282 | 433 | 1340 | 234 | 1230 | 742 | 57 | 11 | 8.1 |
29 | e30 | 106 | 385 | 376 | --- | 2650 | 265 | 952 | 640 | 50 | 11 | 7.8 |
30 | 22 | 373 | 314 | 382 | --- | 2470 | 729 | 762 | 902 | 51 | 11 | 11 |
31 | 17 | --- | 239 | 335 | --- | 1730 | --- | 657 | --- | 139 | 9.2 | --- |
TOTAL | 570 | 1375 | 10206 | 16384 | 11085 | 38224 | 23066 | 46490 | 41332 | 10992 | 1225.2 | 269.5 |
MEAN | 18.4 | 45.8 | 329 | 529 | 396 | 1233 | 769 | 1500 | 1378 | 355 | 39.5 | 8.98 |
MAX | 37 | 373 | 810 | 1960 | 988 | 3110 | 1720 | 4180 | 3620 | 1090 | 134 | 17 |
MIN | 12 | 18 | 99 | 162 | 142 | 229 | 234 | 408 | 278 | 50 | 9.2 | 4.7 |
CFSM | .05 | .13 | .92 | 1.48 | 1.11 | 3.44 | 2.15 | 4.19 | 3.85 | .99 | .11 | .03 |
IN. | .06 | .14 | 1.06 | 1.70 | 1.15 | 3.97 | 2.40 | 4.83 | 4.29 | 1.14 | .13 | .03 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 15.3 | 44.4 | 154 | 336 | 441 | 742 | 499 | 1298 | 805 | 134 | 49.8 | 36.4 |
MAX | 18.4 | 46.5 | 329 | 529 | 793 | 1233 | 769 | 2146 | 1378 | 355 | 92.0 | 111 |
(WY) | 1998 | 1996 | 1998 | 1998 | 1997 | 1998 | 1998 | 1996 | 1998 | 1998 | 1995 | 1997 |
MIN | 11.4 | 40.7 | 38.1 | 228 | 144 | 237 | 147 | 247 | 370 | 54.3 | 15.1 | 8.98 |
(WY) | 1997 | 1997 | 1996 | 1997 | 1996 | 1996 | 1997 | 1997 | 1995 | 1997 | 1996 | 1998 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1995 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 100938.1 | 201218.7 | ||||
ANNUAL MEAN | 277 | 551 | 393 | |||
HIGHEST ANNUAL MEAN | 551 | 1998 | ||||
LOWEST ANNUAL MEAN | 256 | 1997 | ||||
HIGHEST DAILY MEAN | 3050 | Feb 28 | 4180 | May 5 | 7320 | May 11 1996 |
LOWEST DAILY MEAN | 7.9 | Aug 1 | 4.7 | Sep 10 | 4.7 | Sep 10 1998 |
ANNUAL SEVEN-DAY MINIMUM | 9.9 | Jul 28 | 6.0 | Sep 9 | 6.0 | Sep 9 1998 |
INSTANTANEOUS PEAK FLOW | 4470 | May 5 | 8290 | May 10 1996 | ||
INSTANTANEOUS PEAK STAGE | 41.49 | May 5 | 43.86 | May 10 1996 | ||
INSTANTANEOUS LOW FLOW | 4.4 | Sep 10 | 4.4 | Sep 10 1998 | ||
ANNUAL RUNOFF (CFSM) | .77 | 1.54 | 1.10 | |||
ANNUAL RUNOFF (INCHES) | 10.49 | 20.91 | 14.91 | |||
10 PERCENT EXCEEDS | 785 | 1630 | 1180 | |||
50 PERCENT EXCEEDS | 119 | 261 | 111 | |||
90 PERCENT EXCEEDS | 18 | 13 | 11 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |