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 | 4.4 | 2.8 | 1.8 | 2.8 | 18 | 72 | 751 | 813 | 41 | 432 | 36 | 8.1 |
2 | 4.0 | .01 | 1.7 | 2.6 | 19 | 49 | 458 | 780 | 39 | 206 | 26 | 5.1 |
3 | 3.7 | .00 | 2.5 | 1.4 | 17 | 45 | 480 | 2600 | 35 | 119 | 24 | 4.4 |
4 | 3.1 | .00 | 1.6 | 2.5 | 18 | 43 | 1890 | 6120 | 36 | 86 | 605 | 3.8 |
5 | 2.5 | .25 | 2.1 | 14 | 15 | 49 | 882 | 1610 | 57 | 76 | 1250 | 3.5 |
6 | 1.3 | 4.1 | 1.4 | 28 | 16 | 43 | 512 | 690 | 57 | 62 | 714 | 3.4 |
7 | .00 | 1.1 | 1.4 | 46 | 17 | 39 | 405 | 1450 | 39 | 1270 | 351 | 3.2 |
8 | .00 | .02 | 1.5 | 356 | 14 | 592 | 396 | 1360 | 49 | 1370 | 163 | 3.0 |
9 | 2.6 | 1.0 | 1.6 | 301 | 15 | 1280 | 229 | 664 | 137 | 378 | 70 | 2.7 |
10 | .24 | 1.2 | 2.0 | 77 | 14 | 838 | 175 | 439 | 286 | 191 | 82 | 2.6 |
11 | .00 | .95 | .36 | 37 | 22 | 365 | 122 | 310 | 204 | 111 | 136 | 2.5 |
12 | .00 | .92 | .36 | 29 | 21 | 201 | 90 | 225 | 734 | 71 | 56 | 2.4 |
13 | 4.7 | .92 | .28 | 23 | 19 | 143 | 97 | 179 | 653 | 48 | 30 | 2.3 |
14 | 1.1 | 1.2 | .54 | 18 | 15 | 130 | 162 | 146 | 447 | 38 | 20 | 2.3 |
15 | .00 | 1.1 | .00 | 24 | 16 | 112 | 654 | 117 | 477 | 37 | 16 | 2.7 |
16 | .00 | 2.5 | .00 | 22 | 33 | 92 | 3470 | 100 | 670 | 33 | 14 | 2.9 |
17 | .00 | .94 | .00 | 20 | 379 | 658 | 930 | 86 | 304 | 28 | 12 | 6.1 |
18 | .00 | .87 | .00 | 17 | 685 | 1580 | 489 | 71 | 164 | 28 | 11 | 8.2 |
19 | .00 | .78 | .00 | 13 | 225 | 827 | 323 | 64 | 560 | 30 | 9.7 | 4.0 |
20 | .00 | .73 | .00 | 15 | 116 | 4400 | 228 | 63 | 466 | 28 | 9.2 | 3.6 |
21 | .00 | .78 | .00 | 16 | 91 | 4360 | 248 | 61 | 433 | 25 | 9.4 | 4.3 |
22 | .00 | .86 | 4.7 | 14 | 62 | 1120 | 212 | 130 | 642 | 167 | 8.2 | 4.3 |
23 | .00 | .70 | 3.0 | 16 | 47 | 586 | 168 | 137 | 2170 | 473 | 7.4 | 3.0 |
24 | .00 | .13 | 15 | 16 | 41 | 351 | 124 | 146 | 883 | 100 | 7.0 | 2.5 |
25 | .00 | .70 | 11 | 14 | 32 | 228 | 102 | 122 | 399 | 46 | 6.7 | 4.8 |
26 | .33 | .90 | 9.5 | 16 | 32 | 155 | 98 | 96 | 224 | 33 | 6.6 | 2.8 |
27 | 2.5 | .88 | 5.9 | 18 | 159 | 111 | 93 | 76 | 143 | 28 | 6.1 | 2.2 |
28 | 2.0 | .98 | 4.1 | 20 | 121 | 3340 | 83 | 63 | 101 | 25 | 4.1 | 1.9 |
29 | 1.7 | 1.2 | 2.7 | 22 | --- | 3310 | 115 | 56 | 227 | 24 | 6.6 | 5.1 |
30 | 1.5 | 4.2 | 1.9 | 23 | --- | 905 | 980 | 50 | 1220 | 198 | 6.9 | 2.5 |
31 | 1.5 | --- | 2.9 | 19 | --- | 610 | --- | 46 | --- | 71 | 7.9 | --- |
TOTAL | 37.17 | 32.72 | 79.84 | 1243.3 | 2279 | 26634 | 14966 | 18870 | 11897 | 5832 | 3711.8 | 110.2 |
MEAN | 1.20 | 1.09 | 2.58 | 40.1 | 81.4 | 859 | 499 | 609 | 397 | 188 | 120 | 3.67 |
MAX | 4.7 | 4.2 | 15 | 356 | 685 | 4400 | 3470 | 6120 | 2170 | 1370 | 1250 | 8.2 |
MIN | .00 | .00 | .00 | 1.4 | 14 | 39 | 83 | 46 | 35 | 24 | 4.1 | 1.9 |
CFSM | .00 | .00 | .01 | .17 | .34 | 3.58 | 2.08 | 2.54 | 1.65 | .78 | .50 | .02 |
IN. | .01 | .01 | .01 | .19 | .35 | 4.13 | 2.32 | 2.92 | 1.84 | .90 | .58 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 49.3 | 160 | 255 | 240 | 318 | 400 | 389 | 280 | 163 | 80.6 | 54.2 | 74.2 |
MAX | 286 | 1141 | 1055 | 964 | 1080 | 1200 | 1225 | 1391 | 483 | 315 | 252 | 1001 |
(WY) | 1994 | 1994 | 1968 | 1993 | 1982 | 1978 | 1996 | 1995 | 1973 | 1993 | 1974 | 1993 |
MIN | .10 | .65 | .000 | .026 | 14.5 | 19.1 | 27.3 | 14.4 | 1.77 | 1.34 | .25 | .24 |
(WY) | 1995 | 1977 | 1977 | 1981 | 1978 | 1972 | 1971 | 1988 | 1987 | 1972 | 1989 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1967 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 68426.52 | 85693.03 | ||||
ANNUAL MEAN | 187 | 235 | 205 | |||
HIGHEST ANNUAL MEAN | 450 | 1993 | ||||
LOWEST ANNUAL MEAN | 51.2 | 1977 | ||||
HIGHEST DAILY MEAN | 9440 | Feb 27 | 6120 | May 4 | 12100 | Apr 29 1996 |
LOWEST DAILY MEAN | .00 | Many days | .00 | Many days | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .00 | Oct 15 | .00 | Oct 15 | .00 | Oct 8 1966 |
INSTANTANEOUS PEAK FLOW | 6590 | May 4 | 17800 | May 8 1996 | ||
INSTANTANEOUS PEAK STAGE | 17.28 | May 4 | 21.19 | May 8 1996 | ||
ANNUAL RUNOFF (CFSM) | .78 | .98 | .85 | |||
ANNUAL RUNOFF (INCHES) | 10.61 | 13.28 | 11.58 | |||
10 PERCENT EXCEEDS | 429 | 656 | 444 | |||
50 PERCENT EXCEEDS | 16 | 25 | 38 | |||
90 PERCENT EXCEEDS | .00 | .72 | .10 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |