DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 41 | 21 | 64 | e45 | 6330 | 4550 | 154 | 3920 | 123 | 1820 | 27 | 16 |
2 | 36 | 25 | 60 | e50 | 7200 | 4130 | 155 | 1460 | 2850 | 4470 | 29 | 14 |
3 | 33 | 282 | 58 | e80 | 6480 | 1900 | 831 | 569 | 5210 | 4200 | 27 | 13 |
4 | 34 | 386 | 61 | e120 | 6230 | 791 | 5170 | 398 | 4570 | 2050 | 24 | 12 |
5 | 34 | 670 | 62 | e160 | 5360 | 557 | 6200 | 1500 | 4530 | 657 | 21 | 11 |
6 | 60 | 407 | 59 | e150 | 2440 | 2200 | 5880 | 4670 | 4570 | 306 | 19 | e10 |
7 | 812 | 205 | 137 | e120 | 5210 | 3170 | 5290 | 5040 | 4500 | 381 | 18 | e9.4 |
8 | 1210 | 119 | 176 | e95 | 11000 | 2460 | 4740 | 4150 | 3840 | 615 | 18 | e8.8 |
9 | 611 | 80 | 116 | e84 | 12500 | 2600 | 2680 | 2060 | 1610 | 570 | 20 | e8.3 |
10 | 250 | 244 | 156 | e76 | 13500 | 4990 | 2990 | 764 | 577 | 547 | 18 | e8.0 |
11 | 113 | 1220 | 116 | e68 | 9690 | 5000 | 3840 | 452 | 377 | 243 | 16 | e7.6 |
12 | 65 | 1750 | 83 | e65 | 7780 | 3540 | 2420 | 348 | 280 | 633 | 16 | e7.4 |
13 | 47 | 1130 | 68 | e1000 | 6730 | 1530 | 854 | 339 | 837 | 387 | 17 | e7.0 |
14 | 37 | 441 | 60 | e3000 | 5400 | 788 | 483 | 1100 | 4960 | 202 | 18 | e7.0 |
15 | 30 | 225 | 58 | e2000 | 3160 | 587 | 531 | 1090 | 4860 | 131 | 18 | e6.6 |
16 | 27 | 148 | 56 | e1000 | 1320 | 482 | 956 | 740 | 3210 | 93 | 31 | e6.4 |
17 | 25 | 107 | 55 | e1300 | 842 | 417 | 1600 | 491 | 1340 | 74 | 47 | e6.2 |
18 | 29 | 83 | 53 | e2000 | 728 | 361 | 1750 | 396 | 495 | 60 | 33 | e6.0 |
19 | 53 | 71 | 51 | e5000 | 636 | 310 | 1600 | 403 | 304 | 53 | 26 | e5.8 |
20 | 76 | 68 | 50 | 7000 | 530 | 276 | 1130 | 438 | 227 | 50 | 22 | e5.6 |
21 | 55 | 62 | 74 | 6770 | 446 | 251 | 758 | 276 | 181 | 45 | 20 | e5.4 |
22 | 55 | 56 | 264 | 12500 | 385 | 234 | 587 | 295 | 150 | 40 | 18 | e5.2 |
23 | 47 | 56 | 210 | 23400 | 343 | 348 | 540 | 1030 | 130 | 37 | 16 | e5.0 |
24 | 37 | 57 | 153 | 23600 | 330 | 460 | 486 | 1230 | 452 | 78 | 23 | e5.0 |
25 | 31 | 55 | e110 | 17500 | 337 | 370 | 392 | 556 | 1030 | 94 | 19 | e4.8 |
26 | 28 | 70 | e80 | 11300 | 351 | 284 | 340 | 336 | 1340 | 158 | 21 | e4.6 |
27 | 26 | 91 | e60 | 8230 | 483 | 233 | 323 | 237 | 3250 | 103 | 21 | e4.5 |
28 | 25 | 74 | e50 | 6540 | 3100 | 200 | 1240 | 179 | 4970 | 59 | 24 | e4.5 |
29 | 24 | 75 | e45 | 3490 | --- | 184 | 3700 | 145 | 3510 | 41 | 25 | e8.0 |
30 | 23 | 71 | e53 | 1430 | --- | 171 | 4730 | 122 | 1100 | 33 | 22 | e10 |
31 | 22 | --- | e48 | 2500 | --- | 159 | --- | 110 | --- | 29 | 18 | --- |
TOTAL | 3996 | 8349 | 2746 | 140673 | 118841 | 43533 | 62350 | 34844 | 65383 | 18259 | 692 | 233.1 |
MEAN | 129 | 278 | 88.6 | 4538 | 4244 | 1404 | 2078 | 1124 | 2179 | 589 | 22.3 | 7.77 |
MAX | 1210 | 1750 | 264 | 23600 | 13500 | 5000 | 6200 | 5040 | 5210 | 4470 | 47 | 16 |
MIN | 22 | 21 | 45 | 45 | 330 | 159 | 154 | 110 | 123 | 29 | 16 | 4.5 |
CFSM | .11 | .25 | .08 | 4.01 | 3.75 | 1.24 | 1.84 | .99 | 1.93 | .52 | .02 | .01 |
IN. | .13 | .27 | .09 | 4.63 | 3.91 | 1.43 | 2.05 | 1.15 | 2.15 | .60 | .02 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 202 | 576 | 1025 | 1397 | 1522 | 1746 | 1672 | 1392 | 789 | 434 | 306 | 206 |
MAX | 2146 | 5462 | 7882 | 9030 | 6833 | 5425 | 6267 | 10150 | 4271 | 2644 | 5794 | 2569 |
(WY) | 1950 | 1986 | 1968 | 1950 | 1982 | 1978 | 1922 | 1943 | 1945 | 1993 | 1915 | 1993 |
MIN | .30 | 1.07 | 1.73 | 6.90 | 12.6 | 4.92 | 56.9 | 45.1 | 14.4 | 9.75 | 4.17 | .79 |
(WY) | 1954 | 1954 | 1954 | 1977 | 1963 | 1954 | 1954 | 1925 | 1988 | 1930 | 1964 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1914 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 534187 | 499899.1 | ||||
ANNUAL MEAN | 1464 | 1370 | 936 | |||
HIGHEST ANNUAL MEAN | 2040 | 1950 | ||||
LOWEST ANNUAL MEAN | 29.3 | 1954 | ||||
HIGHEST DAILY MEAN | 11000 | May 9 | 23600 | Jan 24 | 43200 | May 10 1961 |
LOWEST DAILY MEAN | 17 | Jan 4 | 4.5 A | Sep 27, 28 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 22 | Sep 11 | 4.8 | Sep 22 | .00 | Sep 3 1954 |
INSTANTANEOUS PEAK FLOW | 24600 | Jan 24 | 47000 | Jan 5 1950 | ||
INSTANTANEOUS PEAK STAGE | 23.74 | Jan 24 | 26.67 | Jan 5 1950 | ||
ANNUAL RUNOFF (CFSM) | 1.29 | 1.21 | .83 | |||
ANNUAL RUNOFF (INCHES) | 17.57 | 16.44 | 11.24 | |||
10 PERCENT EXCEEDS | 5320 | 4690 | 2950 | |||
50 PERCENT EXCEEDS | 244 | 225 | 148 | |||
90 PERCENT EXCEEDS | 34 | 18 | 10 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |