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 | .92 | 2.8 | 3.8 | 8.6 | 75 | 895 | 1290 | 5450 | 79 | 144 | 433 | 8.1 |
2 | .42 | 3.0 | 4.1 | 7.9 | 64 | 405 | 834 | 2870 | 44 | 175 | 184 | 11 |
3 | .87 | 2.8 | 4.6 | 7.3 | 54 | 296 | 580 | 1310 | 34 | 86 | 156 | 17 |
4 | 1.8 | 1.9 | 5.4 | 8.0 | 50 | 217 | 942 | 2270 | 1500 | 46 | 3060 | 17 |
5 | 2.0 | 1.3 | 6.4 | 343 | 47 | 168 | 1030 | 2140 | 2000 | 28 | 3840 | 13 |
6 | 1.8 | 2.8 | 6.2 | 1290 | 46 | 137 | 677 | 1420 | 647 | 22 | 3490 | 11 |
7 | .99 | 3.4 | 5.6 | 1900 | 45 | 117 | 368 | 2910 | 451 | 86 | 1970 | 8.2 |
8 | .39 | 3.4 | 5.5 | 3050 | 42 | 150 | 307 | 2940 | 193 | 1530 | 493 | 7.3 |
9 | .18 | 3.4 | 5.8 | 2530 | 39 | 529 | 280 | 1150 | 111 | 2090 | 454 | 6.5 |
10 | .39 | 3.2 | 7.0 | 1380 | 35 | 1020 | 289 | 514 | 263 | 1210 | 500 | 5.7 |
11 | .51 | 2.4 | 8.1 | 451 | 37 | 618 | 208 | 256 | 388 | 1040 | 922 | 5.7 |
12 | .55 | 2.2 | 11 | 216 | 52 | 289 | 150 | 156 | 564 | 1540 | 1370 | 6.7 |
13 | .87 | 3.2 | 11 | 145 | 63 | 179 | 136 | 109 | 1400 | 933 | 575 | 6.1 |
14 | .94 | 4.1 | 11 | 105 | 62 | 153 | 2060 | 83 | 1800 | 210 | 213 | 6.5 |
15 | .97 | 3.7 | 8.2 | 323 | 54 | 131 | 1810 | 73 | 2310 | 88 | 105 | 5.5 |
16 | .97 | 3.4 | 7.3 | 231 | 199 | 110 | 5290 | 58 | 2460 | 57 | 64 | 5.6 |
17 | 1.1 | 2.8 | 6.6 | 145 | 1590 | 220 | 5740 | 48 | 1660 | 41 | 43 | 7.2 |
18 | 1.2 | 2.3 | 6.8 | 109 | 2770 | 2410 | 4230 | 39 | 348 | 33 | 33 | 9.0 |
19 | 1.2 | 2.3 | 6.4 | 91 | 1940 | 2710 | 2970 | 33 | 150 | 29 | 26 | 12 |
20 | 1.1 | 2.5 | 5.8 | 74 | 1080 | 4170 | 577 | 28 | 213 | 26 | 22 | 13 |
21 | .45 | 2.5 | 5.7 | 64 | 756 | 4430 | 245 | 30 | 305 | 22 | 19 | 34 |
22 | .01 | 2.5 | 9.9 | 64 | 544 | 3540 | 194 | 2570 | 139 | 18 | 17 | 24 |
23 | .11 | 2.6 | 24 | 148 | 333 | 3240 | 178 | 4290 | 227 | 21 | 15 | 18 |
24 | .97 | 2.7 | 76 | 178 | 225 | 1550 | 135 | 3820 | 237 | 143 | 15 | 12 |
25 | 1.6 | 2.9 | 302 | 166 | 164 | 351 | 104 | 3390 | 162 | 285 | 12 | 9.8 |
26 | 2.5 | 3.0 | 186 | 210 | 133 | 245 | 85 | 2050 | 84 | 97 | 12 | 226 |
27 | 2.2 | 2.5 | 73 | 221 | 986 | 189 | 123 | 375 | 46 | 49 | 11 | 475 |
28 | 1.3 | 2.7 | 35 | 174 | 1430 | 1850 | 205 | 187 | 29 | 31 | 9.7 | 142 |
29 | .91 | 3.0 | 24 | 140 | --- | 2650 | 123 | 115 | 23 | 24 | 9.6 | 49 |
30 | 1.1 | 3.7 | 17 | 117 | --- | 2050 | 4260 | 78 | 74 | 57 | 9.0 | 26 |
31 | 1.6 | --- | 13 | 94 | --- | 928 | --- | 75 | --- | 213 | 8.6 | --- |
TOTAL | 31.92 | 85.0 | 902.2 | 13990.8 | 12915 | 35947 | 35420 | 40837 | 17941 | 10374 | 18090.9 | 1197.9 |
MEAN | 1.03 | 2.83 | 29.1 | 451 | 461 | 1160 | 1181 | 1317 | 598 | 335 | 584 | 39.9 |
MAX | 2.5 | 4.1 | 302 | 3050 | 2770 | 4430 | 5740 | 5450 | 2460 | 2090 | 3840 | 475 |
MIN | .01 | 1.3 | 3.8 | 7.3 | 35 | 110 | 85 | 28 | 23 | 18 | 8.6 | 5.5 |
CFSM | .00 | .01 | .06 | .97 | .99 | 2.50 | 2.54 | 2.84 | 1.29 | .72 | 1.26 | .09 |
IN. | .00 | .01 | .07 | 1.12 | 1.04 | 2.88 | 2.84 | 3.27 | 1.44 | .83 | 1.45 | .10 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1909 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 97.8 | 270 | 432 | 642 | 631 | 792 | 793 | 637 | 294 | 151 | 116 | 78.6 |
MAX | 1462 | 2969 | 3314 | 4052 | 2408 | 2361 | 2495 | 4113 | 1438 | 1162 | 2257 | 1227 |
(WY) | 1920 | 1986 | 1983 | 1949 | 1982 | 1945 | 1957 | 1961 | 1917 | 1993 | 1915 | 1993 |
MIN | .016 | .13 | .29 | .69 | 2.51 | 1.96 | 11.6 | 8.96 | 1.48 | 1.05 | .056 | .047 |
(WY) | 1909 | 1954 | 1954 | 1981 | 1934 | 1954 | 1954 | 1936 | 1988 | 1930 | 1991 | 1940 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1909 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 133693.52 | 187732.72 | ||||
ANNUAL MEAN | 366 | 514 | 410 | |||
HIGHEST ANNUAL MEAN | 928 | 1950 | ||||
LOWEST ANNUAL MEAN | 32.1 | 1954 | ||||
HIGHEST DAILY MEAN | 4800 | Mar 2 | 5740 | Apr 17 | 45000 | May 9 1961 |
LOWEST DAILY MEAN | .01 | Oct 22 | .01 | Oct 22 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .55 | Oct 8 | .55 | Oct 8 | .00 | Oct 24 1908 |
INSTANTANEOUS PEAK FLOW | 5940 | Apr 17 | 59400 B | May 17 1990 | ||
INSTANTANEOUS PEAK STAGE | 14.46 | Apr 17 | 26.68 | May 8 1961 | ||
INSTANTANEOUS LOW FLOW | .00 | C | ||||
ANNUAL RUNOFF (CFSM) | .79 | 1.11 | .88 | |||
ANNUAL RUNOFF (INCHES) | 10.72 | 15.05 | 12.01 | |||
10 PERCENT EXCEEDS | 1050 | 1950 | 1120 | |||
50 PERCENT EXCEEDS | 45 | 75 | 35 | |||
90 PERCENT EXCEEDS | 2.0 | 2.5 | 1.3 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |