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 | 1.6 | e9.5 | 9.3 | e6.0 | 543 | 115 | 81 | 195 | 106 | 70 | 9.5 | 5.5 |
2 | 1.4 | e18 | 11 | e5.3 | 646 | 107 | 79 | 178 | 456 | 65 | 7.8 | 5.8 |
3 | 2.5 | e20 | 11 | e5.0 | 558 | 144 | 75 | 168 | 625 | 56 | 6.9 | 5.5 |
4 | 2.9 | e17 | 10 | e4.8 | 446 | 192 | 75 | 158 | 437 | 49 | 6.5 | 5.4 |
5 | 3.2 | e12 | 9.8 | e4.6 | 334 | 169 | 72 | 156 | 472 | 43 | 5.9 | 5.3 |
6 | 6.5 | e10 | 9.0 | e8.0 | 284 | 163 | 72 | 180 | 589 | 38 | 5.6 | 5.2 |
7 | 20 | e8.0 | 11 | e6.6 | 714 | 158 | 70 | 255 | 388 | 34 | 5.0 | 5.3 |
8 | 10 | e7.0 | 14 | e5.8 | 1910 | 142 | 66 | 215 | 259 | 31 | 20 | 5.6 |
9 | 5.4 | e10 | 10 | e5.4 | 1300 | 152 | 90 | 166 | 336 | 28 | 49 | 5.1 |
10 | 3.4 | e25 | 8.3 | e5.0 | 847 | 150 | 117 | 141 | 273 | 26 | 20 | 4.3 |
11 | 2.9 | e50 | 6.9 | e5.0 | 661 | 135 | 112 | 131 | 188 | 22 | 10 | 3.9 |
12 | 2.5 | e24 | e6.6 | e7.0 | 659 | 152 | 151 | 123 | 155 | 19 | 9.3 | 3.6 |
13 | 2.4 | e18 | e6.4 | e10 | 584 | 224 | 110 | 147 | 267 | 17 | 64 | 3.4 |
14 | 3.0 | e15 | e6.2 | e10 | 441 | 257 | 93 | 292 | 755 | 15 | 318 | 3.3 |
15 | 3.3 | e13 | e6.0 | e9.0 | 359 | 218 | 140 | 259 | 677 | 15 | 339 | 3.4 |
16 | 3.2 | e11 | e6.0 | e10 | 320 | 192 | 608 | 195 | 375 | 14 | 87 | 3.5 |
17 | 3.0 | e10 | e6.0 | e11 | 288 | 188 | 968 | 165 | 224 | 14 | 37 | 3.4 |
18 | 5.2 | e9.0 | e7.0 | e70 | 252 | 167 | e900 | 163 | 166 | 13 | 24 | 3.3 |
19 | 3.0 | e8.5 | e8.0 | e160 | 217 | 137 | e700 | 165 | 134 | 12 | 17 | 3.3 |
20 | 3.3 | e8.0 | e10 | e130 | 188 | 125 | e530 | 134 | 116 | 13 | 15 | 3.2 |
21 | 4.0 | e7.6 | e13 | e220 | 167 | 125 | 868 | 123 | 103 | 27 | 12 | 2.8 |
22 | 3.8 | e7.2 | e10 | e750 | 154 | 118 | 934 | 184 | 94 | 17 | 9.5 | 2.3 |
23 | e3.0 | e6.8 | e8.5 | 2440 | 146 | 108 | 670 | 307 | 92 | 11 | 9.0 | 2.1 |
24 | e2.7 | e6.5 | e7.5 | 2060 | 141 | 104 | 471 | 242 | 126 | 9.0 | 11 | 2.0 |
25 | e2.5 | e7.5 | e6.8 | 1230 | 133 | 97 | 354 | 184 | 240 | 13 | 15 | 1.9 |
26 | e3.0 | e9.0 | e6.2 | 848 | 124 | 89 | 301 | 148 | 179 | 12 | 13 | 1.8 |
27 | e7.0 | 14 | e5.6 | 681 | 124 | 87 | 274 | 125 | 146 | 12 | 9.4 | 1.8 |
28 | e6.5 | 11 | e5.4 | 592 | 128 | 86 | 265 | 113 | 136 | 45 | 8.1 | 4.2 |
29 | e13 | 8.1 | e7.5 | 475 | --- | 84 | 272 | 104 | 103 | 39 | 7.6 | 6.1 |
30 | e11 | 8.2 | e8.0 | 374 | --- | 78 | 229 | 97 | 80 | 27 | 6.9 | 20 |
31 | e10 | --- | e7.0 | 340 | --- | 77 | --- | 94 | --- | 14 | 5.9 | --- |
TOTAL | 155.2 | 388.9 | 258.0 | 10488.5 | 12668 | 4340 | 9747 | 5307 | 8297 | 820.0 | 1163.9 | 132.3 |
MEAN | 5.01 | 13.0 | 8.32 | 338 | 452 | 140 | 325 | 171 | 277 | 26.5 | 37.5 | 4.41 |
MAX | 20 | 50 | 14 | 2440 | 1910 | 257 | 968 | 307 | 755 | 70 | 339 | 20 |
MIN | 1.4 | 6.5 | 5.4 | 4.6 | 124 | 77 | 66 | 94 | 80 | 9.0 | 5.0 | 1.8 |
CFSM | .03 | .07 | .04 | 1.82 | 2.43 | .75 | 1.75 | .92 | 1.49 | .14 | .20 | .02 |
IN. | .03 | .08 | .05 | 2.10 | 2.53 | .87 | 1.95 | 1.06 | 1.66 | .16 | .23 | .03 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 54.5 | 117 | 200 | 182 | 238 | 265 | 303 | 290 | 180 | 103 | 63.5 | 46.3 |
MAX | 570 | 910 | 691 | 684 | 650 | 861 | 795 | 1263 | 773 | 487 | 315 | 422 |
(WY) | 1994 | 1993 | 1984 | 1974 | 1985 | 1979 | 1994 | 1996 | 1974 | 1992 | 1979 | 1993 |
MIN | .000 | .92 | 1.05 | .63 | 4.11 | 76.8 | 35.6 | 36.5 | 14.3 | 9.59 | .12 | .020 |
(WY) | 1961 | 1961 | 1961 | 1977 | 1963 | 1968 | 1971 | 1976 | 1988 | 1988 | 1964 | 1964 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1961 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 86770.3 | 53765.8 | ||||
ANNUAL MEAN | 238 | 147 | 170 | |||
HIGHEST ANNUAL MEAN | 357 | 1993 | ||||
LOWEST ANNUAL MEAN | 59.5 | 1963 | ||||
HIGHEST DAILY MEAN | 2180 | May 4 | 2440 | Jan 23 | 6150 | Apr 12 1994 |
LOWEST DAILY MEAN | 1.1 | Sep 19 | 1.4 | Oct 2 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 1.4 | Sep 15 | 2.1 | Sep 21 | .00 | Oct 1 1960 |
INSTANTANEOUS PEAK FLOW | 2550 | Jan 23 | 8040 | Apr 12 1994 | ||
INSTANTANEOUS PEAK STAGE | 12.67 | Jan 23 | 17.33 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 1.2 | Oct 2,3 | ||||
ANNUAL RUNOFF (CFSM) | 1.28 | .79 | .91 | |||
ANNUAL RUNOFF (INCHES) | 17.35 | 10.75 | 12.40 | |||
10 PERCENT EXCEEDS | 774 | 408 | 434 | |||
50 PERCENT EXCEEDS | 94 | 27 | 63 | |||
90 PERCENT EXCEEDS | 3.0 | 3.9 | 2.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |