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 | 29 | 48 | 198 | 222 | 561 | 3010 | 8820 | 9130 | 6490 | 4890 | 2760 | 122 |
2 | 28 | 50 | 124 | 221 | 470 | 2570 | 8660 | 9330 | 5330 | 3360 | 3060 | 123 |
3 | 28 | 42 | 89 | 207 | 395 | 2160 | 8270 | 10100 | 3650 | 2300 | 3140 | 113 |
4 | 27 | 38 | 71 | 186 | 343 | 1840 | 8270 | 10700 | 3240 | 1770 | 3900 | 104 |
5 | 26 | 35 | 64 | 225 | 317 | 1480 | 8080 | 10800 | 5740 | 1250 | 5420 | 99 |
6 | 26 | 52 | 60 | 1820 | 308 | 1160 | 7710 | 10800 | 6240 | 766 | 6350 | 95 |
7 | 25 | 50 | 60 | 4290 | 297 | 908 | 7260 | 11900 | 5080 | 1200 | 7740 | 86 |
8 | 24 | 48 | 60 | 6150 | 323 | 917 | 6920 | 13300 | 3490 | 1790 | 8250 | 81 |
9 | 24 | 50 | 64 | 6790 | 308 | 1420 | 6630 | 13100 | 2160 | 4020 | 8360 | 72 |
10 | 26 | 46 | 78 | 6930 | 279 | 2340 | 6200 | 12900 | 1490 | 4880 | 7690 | 67 |
11 | 25 | 41 | 98 | 6770 | 335 | 3000 | 5750 | 12500 | 2220 | 5560 | 7350 | 64 |
12 | 24 | 36 | 110 | 6010 | 748 | 3210 | 5150 | 12200 | 3400 | 5580 | 7900 | 64 |
13 | 30 | 39 | 108 | 5110 | 665 | 3180 | 4590 | 11700 | 4000 | 5710 | 7730 | 62 |
14 | 36 | 50 | 106 | 4490 | 517 | 3140 | 4160 | 11300 | 4720 | 5700 | 6890 | 59 |
15 | 30 | 42 | 93 | 3830 | 398 | 2780 | 4770 | 10900 | 5580 | 5530 | 5900 | 58 |
16 | 28 | 40 | 83 | 3020 | 898 | 1970 | 10500 | 10300 | 5950 | 5290 | 4890 | 58 |
17 | 27 | 39 | 76 | 1930 | 3380 | 1380 | 12600 | 9640 | 6320 | 4900 | 3540 | 58 |
18 | 26 | 43 | 67 | 1190 | 5680 | 3180 | 12600 | 8840 | 6280 | 4090 | 1840 | 63 |
19 | 26 | 45 | 61 | 948 | 6370 | 5630 | 12700 | 7820 | 5930 | 2560 | 819 | 65 |
20 | 26 | 43 | 57 | 798 | 6500 | 8010 | 12800 | 6900 | 5750 | 1190 | 387 | 68 |
21 | 26 | 43 | 55 | 603 | 6310 | 9530 | 12800 | 5950 | 5910 | 550 | 284 | 84 |
22 | 25 | 41 | 77 | 530 | 5820 | 9750 | 12500 | 6490 | 6000 | 313 | 244 | 112 |
23 | 26 | 39 | 84 | 823 | 5200 | 9860 | 12000 | 9340 | 5600 | 319 | 213 | 125 |
24 | 35 | 36 | 285 | 1480 | 4660 | 9860 | 11300 | 9360 | 5800 | 414 | 193 | 112 |
25 | 37 | 36 | 897 | 1800 | 4120 | 9690 | 10600 | 9260 | 5830 | 691 | 177 | 103 |
26 | 36 | 37 | 1160 | 1830 | 3150 | 9320 | 9590 | 9320 | 5730 | 1950 | 162 | 108 |
27 | 35 | 35 | 920 | 1610 | 2450 | 8840 | 8580 | 9620 | 5660 | 2500 | 146 | 231 |
28 | 31 | 36 | 695 | 1320 | 3070 | 8490 | 7700 | 9400 | 5570 | 2730 | 136 | e550 |
29 | 32 | 40 | 500 | 1060 | --- | 8610 | 6300 | 8930 | 5390 | 2880 | 131 | 611 |
30 | 33 | 100 | 353 | 857 | --- | 8790 | 7830 | 8150 | 5750 | 2830 | 125 | 448 |
31 | 31 | --- | 276 | 691 | --- | 8840 | --- | 7180 | --- | 2770 | 121 | --- |
TOTAL | 888 | 1320 | 7029 | 73741 | 63872 | 154865 | 261640 | 307160 | 150300 | 90283 | 105848 | 4065 |
MEAN | 28.6 | 44.0 | 227 | 2379 | 2281 | 4996 | 8721 | 9908 | 5010 | 2912 | 3414 | 136 |
MAX | 37 | 100 | 1160 | 6930 | 6500 | 9860 | 12800 | 13300 | 6490 | 5710 | 8360 | 611 |
MIN | 24 | 35 | 55 | 186 | 279 | 908 | 4160 | 5950 | 1490 | 313 | 121 | 58 |
CFSM | .01 | .01 | .07 | .77 | .74 | 1.61 | 2.81 | 3.19 | 1.62 | .94 | 1.10 | .04 |
IN. | .01 | .02 | .08 | .88 | .77 | 1.86 | 3.14 | 3.68 | 1.80 | 1.08 | 1.27 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 535 | 1532 | 2716 | 3711 | 4344 | 5479 | 5435 | 4339 | 2385 | 1280 | 782 | 404 |
MAX | 5429 | 12840 | 12960 | 23300 | 15640 | 17680 | 15400 | 19330 | 10120 | 7315 | 6024 | 2766 |
(WY) | 1950 | 1994 | 1983 | 1950 | 1949 | 1979 | 1945 | 1961 | 1957 | 1969 | 1979 | 1993 |
MIN | 5.25 | 8.23 | 16.4 | 30.6 | 62.7 | 25.3 | 176 | 167 | 44.5 | 40.8 | 22.7 | 3.07 |
(WY) | 1965 | 1954 | 1954 | 1977 | 1963 | 1954 | 1954 | 1988 | 1988 | 1940 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1940 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1061051 | 1221011 | ||||
ANNUAL MEAN | 2907 | 3345 | 2737 | |||
HIGHEST ANNUAL MEAN | 6094 | 1950 | ||||
LOWEST ANNUAL MEAN | 151 | 1954 | ||||
HIGHEST DAILY MEAN | 13200 | A | 13300 | May 8 | 46000 | May 13 1961 |
LOWEST DAILY MEAN | 24 | Oct 8,9,12 | 24 | Oct 8,9,12 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 25 | Oct 6 | 25 | Oct 6 | 1.5 | Sep 18 1953 |
INSTANTANEOUS PEAK FLOW | 13400 C | May 8 | 46900 | May 12 1961 | ||
INSTANTANEOUS PEAK STAGE | 28.50 D | May 8 | 36.70 | May 13 1961 | ||
INSTANTANEOUS LOW FLOW | 23 | Oct 9,12,13 | ||||
ANNUAL RUNOFF (CFSM) | .94 | 1.08 | .88 | |||
ANNUAL RUNOFF (INCHES) | 12.72 | 14.64 | 11.99 | |||
10 PERCENT EXCEEDS | 11200 | 9320 | 8760 | |||
50 PERCENT EXCEEDS | 551 | 1490 | 560 | |||
90 PERCENT EXCEEDS | 36 | 37 | 37 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |