DISCHARGE: October 1945 to current year. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1978-91 and 1999-2000. |
MISCELLANEOUS: Contaminants in streambed sediments, August 1998; contaminants in fish tissue, August 1998. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 270 | 53 | 55 | 65 | 67 | 138 | 69 | 183 | 264 | 104 | 334 | 58 |
2 | 160 | 55 | 51 | 58 | 63 | 124 | 70 | 174 | 302 | 99 | 302 | 53 |
3 | 172 | 55 | 61 | 68 | 67 | 105 | 73 | 164 | 263 | 682 | 210 | 50 |
4 | 329 | 55 | 72 | 108 | 64 | 98 | 74 | 117 | 186 | 631 | 156 | 48 |
5 | 270 | 52 | 580 | 94 | 64 | 91 | 72 | 103 | 219 | e401 | 160 | 49 |
6 | 178 | 52 | 590 | 86 | 62 | 87 | 69 | 95 | 280 | e235 | 208 | 47 |
7 | 125 | 50 | 384 | 81 | 67 | 84 | 88 | 89 | 215 | e170 | e250 | 45 |
8 | 99 | 52 | 213 | 73 | 63 | 79 | 178 | 93 | 148 | e130 | e150 | 46 |
9 | 86 | 55 | 144 | 81 | 68 | 80 | 172 | 505 | 113 | e110 | e94 | 44 |
10 | 78 | 61 | 123 | 119 | 80 | 78 | 151 | 480 | 90 | 391 | e82 | 44 |
11 | 76 | 72 | 97 | 127 | 95 | 78 | 134 | 377 | 155 | 441 | e73 | 202 |
12 | 74 | 77 | 84 | 122 | 90 | 82 | 119 | 414 | 350 | 319 | e64 | 922 |
13 | 69 | 70 | 78 | 99 | 90 | 80 | 103 | 492 | 347 | 202 | e60 | 819 |
14 | 70 | 52 | 76 | 87 | 87 | 78 | 98 | 237 | 428 | 152 | e65 | 735 |
15 | 62 | 53 | 100 | 81 | 82 | 88 | 92 | 162 | 351 | 119 | e61 | 451 |
16 | 71 | 51 | 99 | 76 | 87 | 139 | 102 | 155 | 215 | 102 | e58 | 266 |
17 | 71 | 50 | 90 | 72 | 84 | 82 | 444 | 147 | 158 | 96 | 146 | 178 |
18 | 69 | 47 | 84 | 70 | 89 | 75 | 419 | 210 | 119 | 83 | 171 | 123 |
19 | 65 | 46 | 78 | 70 | 102 | 75 | 440 | 384 | 103 | 74 | 128 | 107 |
20 | 63 | 48 | 78 | 70 | 109 | 148 | 1100 | 375 | 127 | 73 | 94 | 122 |
21 | 60 | 48 | 74 | e65 | 117 | 157 | 1250 | 258 | 165 | 69 | 79 | 133 |
22 | 55 | 50 | 74 | e62 | 228 | 134 | 1170 | 185 | 149 | 65 | 69 | 213 |
23 | 60 | 90 | e68 | e69 | 400 | 126 | 867 | 148 | 123 | 62 | 66 | 412 |
24 | 58 | 95 | e68 | e64 | 527 | 146 | 618 | 121 | 206 | 57 | 60 | 544 |
25 | 54 | 68 | e62 | e66 | 588 | 140 | 421 | 98 | 528 | e57 | 58 | 412 |
26 | 55 | 59 | e62 | e58 | 456 | 119 | 325 | 84 | 427 | e56 | 53 | 253 |
27 | 57 | 55 | 65 | e59 | 302 | 101 | 285 | 94 | 268 | 56 | 67 | 169 |
28 | 50 | 53 | 62 | e60 | 207 | 91 | 238 | 244 | 184 | 50 | 79 | 148 |
29 | 53 | 54 | 62 | e58 | 159 | 82 | 216 | 191 | 156 | 60 | 73 | 113 |
30 | 51 | 51 | 65 | e63 | --- | 76 | 183 | 185 | 120 | 211 | 64 | 98 |
31 | 53 | --- | 63 | 67 | --- | 75 | --- | 213 | --- | 203 | 58 | --- |
TOTAL | 3063 | 1729 | 3862 | 2398 | 4564 | 3136 | 9640 | 6777 | 6759 | 5560 | 3592 | 6904 |
MEAN | 98.8 | 57.6 | 125 | 77.4 | 157 | 101 | 321 | 219 | 225 | 179 | 116 | 230 |
MAX | 329 | 95 | 590 | 127 | 588 | 157 | 1250 | 505 | 528 | 682 | 334 | 922 |
MIN | 50 | 46 | 51 | 58 | 62 | 75 | 69 | 84 | 90 | 50 | 53 | 44 |
CFSM | .86 | .50 | 1.08 | .67 | 1.37 | .88 | 2.79 | 1.90 | 1.96 | 1.56 | 1.01 | 2.00 |
IN. | .99 | .56 | 1.25 | .78 | 1.48 | 1.01 | 3.12 | 2.19 | 2.19 | 1.80 | 1.16 | 2.23 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1946 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 83.9 | 106 | 108 | 114 | 132 | 210 | 236 | 164 | 136 | 94.5 | 105 | 86.8 |
MAX | 331 | 457 | 500 | 368 | 444 | 809 | 565 | 480 | 388 | 288 | 795 | 414 |
(WY) | 1955 | 1986 | 1983 | 1993 | 1997 | 1979 | 1983 | 1996 | 1996 | 1978 | 1987 | 1972 |
MIN | 3.34 | 5.55 | 8.14 | 5.79 | 12.4 | 46.1 | 41.8 | 24.8 | 25.6 | 10.6 | 3.08 | 3.33 |
(WY) | 1949 | 1949 | 1954 | 1954 | 1954 | 1956 | 1946 | 1946 | 1956 | 1946 | 1948 | 1952 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1946 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 73971 | 57984 | ||||
ANNUAL MEAN | 203 | 158 | 131 | |||
HIGHEST ANNUAL MEAN | 250 | 1993 | ||||
LOWEST ANNUAL MEAN | 36.6 | 1953 | ||||
HIGHEST DAILY MEAN | 1340 | Apr 23 | 1250 | Apr 21 | 3220 | Aug 17 1987 |
LOWEST DAILY MEAN | 32 | Sep 26 | 44 | Sep 9, 10 | 1.0 | Aug 27 1950 |
ANNUAL SEVEN-DAY MINIMUM | 40 | Sep 20 | 46 | Sep 4 | 2.1 | Oct 15 1948 |
INSTANTANEOUS PEAK FLOW | 1520 | Apr 20 | 3540 | Aug 17 1987 | ||
INSTANTANEOUS PEAK STAGE | 7.89 | Apr 20 | 10.54 | Aug 17 1987 | ||
INSTANTANEOUS LOW FLOW | 35 | Sep 6, 7, 9 | .00 A | May 27 1998 | ||
ANNUAL RUNOFF (CFSM) | 1.76 | 1.38 | 1.14 | |||
ANNUAL RUNOFF (INCHES) | 23.93 | 18.76 | 15.50 | |||
10 PERCENT EXCEEDS | 491 | 379 | 300 | |||
50 PERCENT EXCEEDS | 116 | 91 | 74 | |||
90 PERCENT EXCEEDS | 52 | 55 | 15 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |