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 | 9.1 | 5.9 | 81 | 31 | 92 | 483 | 1380 | 8050 | 235 | 989 | 258 | 46 |
2 | 8.8 | 6.4 | 84 | 18 | 85 | 359 | 1010 | 6550 | 213 | 543 | 100 | 30 |
3 | 8.3 | 6.7 | 34 | 17 | 75 | 308 | 2040 | 4030 | 188 | 358 | 61 | 24 |
4 | 8.2 | 7.0 | 20 | 61 | 66 | 281 | 6020 | 3150 | 175 | 314 | 46 | 22 |
5 | 7.7 | 11 | 15 | 104 | 63 | 266 | 4010 | 2140 | 371 | 278 | 44 | 20 |
6 | 7.0 | 13 | 13 | 100 | 60 | 246 | 1760 | 1090 | 386 | 227 | 50 | 19 |
7 | 7.1 | 11 | 13 | 162 | 56 | 226 | 1080 | 1260 | 268 | 226 | 107 | 17 |
8 | 7.0 | 8.7 | 12 | 998 | 52 | 1620 | 1230 | 1570 | 1260 | 231 | 61 | 16 |
9 | 7.8 | 8.0 | 11 | 2040 | 49 | 4910 | 1050 | 928 | 3720 | 169 | 43 | 16 |
10 | 8.2 | 7.8 | 11 | 1070 | 51 | 3870 | 668 | 674 | 2430 | 150 | 36 | 15 |
11 | 7.3 | 8.5 | 11 | 426 | 674 | 1780 | 519 | 529 | 3290 | 219 | 32 | 15 |
12 | 6.7 | 7.6 | 11 | 265 | 1530 | 808 | 446 | 445 | 6330 | 315 | 28 | 14 |
13 | 7.7 | 7.2 | 11 | 170 | 828 | 636 | 485 | 410 | 5190 | 192 | 27 | 14 |
14 | 7.6 | 7.1 | 11 | 124 | 457 | 725 | 743 | 895 | 3720 | 135 | 42 | 16 |
15 | 6.9 | 7.0 | 11 | e130 | 302 | 633 | 1170 | 782 | 3300 | 115 | 33 | 22 |
16 | 6.2 | 6.6 | 10 | e110 | 260 | 513 | 1520 | 413 | 4390 | 105 | 28 | 17 |
17 | 5.9 | 6.5 | 9.6 | e90 | 1020 | 1630 | e908 | 341 | 5110 | 98 | 29 | 17 |
18 | 5.6 | 6.4 | 9.5 | e80 | 2970 | 6590 | e555 | 269 | 2760 | 94 | 25 | 16 |
19 | 5.6 | 6.5 | 9.2 | e75 | 2260 | 6640 | e350 | 224 | 1690 | 90 | 25 | 15 |
20 | 5.4 | 6.4 | 9.0 | e70 | 1230 | 8190 | e400 | 200 | 2150 | 85 | 79 | 15 |
21 | 5.3 | 6.5 | 9.0 | e60 | 850 | 8710 | 391 | 205 | 4250 | 80 | 66 | 20 |
22 | 5.4 | 6.4 | 11 | e58 | 625 | 8280 | 349 | 2400 | 5640 | 76 | 41 | 16 |
23 | 5.3 | 6.2 | 11 | e56 | 495 | 4790 | 328 | 4410 | 5080 | 74 | 31 | 15 |
24 | 6.2 | 6.1 | 26 | e53 | 408 | 1500 | 302 | 3220 | 3150 | 74 | 26 | 14 |
25 | 6.4 | 6.1 | 71 | e50 | 344 | 1030 | 283 | 1310 | 1300 | 92 | 23 | 17 |
26 | 7.0 | 6.3 | 130 | e57 | 315 | 840 | 256 | 772 | 758 | 88 | 21 | 19 |
27 | 7.3 | 6.5 | 65 | 74 | 869 | 712 | 231 | 535 | 557 | 82 | 20 | 16 |
28 | 6.9 | 7.4 | 53 | 93 | 655 | 3010 | 238 | 410 | 436 | 76 | 19 | 15 |
29 | 7.3 | 10 | 37 | 116 | --- | 3820 | 1220 | 345 | 610 | 136 | 19 | 16 |
30 | 5.8 | 68 | 28 | 117 | --- | 2410 | 5550 | 301 | 866 | 467 | 18 | 20 |
31 | 5.9 | --- | 30 | 103 | --- | 1240 | --- | 266 | --- | 249 | 18 | --- |
TOTAL | 212.9 | 284.8 | 867.3 | 6978 | 16741 | 77056 | 36492 | 48124 | 69823 | 6427 | 1456 | 554 |
MEAN | 6.87 | 9.49 | 28.0 | 225 | 598 | 2486 | 1216 | 1552 | 2327 | 207 | 47.0 | 18.5 |
MAX | 9.1 | 68 | 130 | 2040 | 2970 | 8710 | 6020 | 8050 | 6330 | 989 | 258 | 46 |
MIN | 5.3 | 5.9 | 9.0 | 17 | 49 | 226 | 231 | 200 | 175 | 74 | 18 | 14 |
CFSM | .01 | .01 | .03 | .26 | .69 | 2.86 | 1.40 | 1.79 | 2.68 | .24 | .05 | .02 |
IN. | .01 | .01 | .04 | .30 | .72 | 3.30 | 1.56 | 2.06 | 2.99 | .28 | .06 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 225 | 319 | 467 | 535 | 739 | 918 | 1177 | 876 | 547 | 325 | 205 | 182 |
MAX | 4037 | 3703 | 3538 | 3514 | 3358 | 3844 | 6645 | 5386 | 4060 | 3216 | 3233 | 3161 |
(WY) | 1927 | 1947 | 1983 | 1950 | 1982 | 1978 | 1927 | 1929 | 1945 | 1981 | 1946 | 1926 |
MIN | 2.40 | 4.54 | 1.77 | .76 | 3.59 | 3.82 | 23.0 | 2.89 | 13.6 | 11.8 | 6.86 | 2.38 |
(WY) | 1923 | 1953 | 1956 | 1956 | 1954 | 1954 | 1931 | 1954 | 1988 | 1988 | 1964 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1921 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 108390.3 | 265016.0 | ||||
ANNUAL MEAN | 297 | 726 | 541 | |||
HIGHEST ANNUAL MEAN | 1883 | 1927 | ||||
LOWEST ANNUAL MEAN | 17.0 | 1954 | ||||
HIGHEST DAILY MEAN | 9750 | Feb 28 | 8710 | Mar 21 | 32700 | May 19 1943 |
LOWEST DAILY MEAN | 5.3 | Oct 21,23 | 5.3 | Oct 21,23 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 5.5 | Oct 17 | 5.5 | Oct 17 | .00 | Oct 19 1955 |
INSTANTANEOUS PEAK FLOW | 9130 | Mar 20 | 40100 B | Apr 12 1994 | ||
INSTANTANEOUS PEAK STAGE | 21.34 | Mar 20 | 28.50 | May 18 1943 | ||
INSTANTANEOUS LOW FLOW | 4.5 | Oct 24 | ||||
ANNUAL RUNOFF (CFSM) | .34 | .84 | .62 | |||
ANNUAL RUNOFF (INCHES) | 4.65 | 11.36 | 8.47 | |||
10 PERCENT EXCEEDS | 608 | 2320 | 1160 | |||
50 PERCENT EXCEEDS | 31 | 92 | 99 | |||
90 PERCENT EXCEEDS | 7.1 | 7.1 | 7.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |