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 | 17 | 23 | 39 | e31 | 2640 | 268 | 162 | 608 | 271 | 109 | 20 | 10 |
2 | 15 | 1110 | 38 | e38 | 2490 | 261 | 161 | 451 | 1180 | 91 | 19 | 10 |
3 | 15 | 1200 | 38 | e60 | 1410 | 267 | 180 | 381 | 1140 | 74 | 18 | 10 |
4 | 15 | 498 | 37 | e56 | 861 | 263 | 358 | 340 | 647 | 72 | 17 | 10 |
5 | 43 | 284 | 37 | e50 | 616 | 252 | 361 | 437 | 638 | 63 | 16 | 10 |
6 | 30 | 157 | 38 | e45 | 505 | 256 | 289 | 395 | 612 | 57 | 15 | 9.8 |
7 | 20 | 109 | 45 | e45 | e3450 | 230 | 244 | 591 | 352 | 58 | 15 | 9.4 |
8 | 16 | 90 | 42 | e47 | e6750 | 224 | 236 | 454 | 231 | 48 | 18 | 9.4 |
9 | 15 | 77 | 39 | e54 | e6700 | 469 | 1010 | 300 | 220 | 46 | 17 | 9.1 |
10 | 14 | 320 | 38 | e50 | e3150 | 601 | 787 | 246 | 180 | 42 | 16 | 8.7 |
11 | 14 | 264 | 37 | e48 | 1240 | 550 | 497 | 219 | 170 | 39 | 15 | 8.6 |
12 | 13 | 161 | 36 | e45 | 1030 | 503 | 335 | 462 | 704 | 42 | 15 | 8.8 |
13 | 12 | 129 | 36 | e48 | 861 | 453 | 271 | 763 | 4540 | 49 | 14 | 8.9 |
14 | 12 | 108 | 35 | e48 | 630 | 392 | 244 | 902 | 5290 | 38 | 15 | 8.9 |
15 | 13 | 88 | 35 | e46 | 531 | 341 | 1100 | 560 | 2240 | 36 | 13 | 9.0 |
16 | 68 | 75 | 35 | e45 | 489 | 301 | 3200 | 395 | 748 | 31 | 13 | 8.8 |
17 | 191 | 66 | 35 | e60 | 469 | 276 | 3450 | 479 | 430 | 32 | 13 | 8.5 |
18 | 122 | 58 | 35 | e250 | 426 | 250 | 2290 | 431 | 322 | 28 | 13 | 8.1 |
19 | 34 | 55 | 40 | e480 | 388 | 226 | 1220 | 305 | 249 | 30 | 13 | 8.5 |
20 | 21 | 51 | 40 | e450 | 337 | 213 | 834 | 252 | 220 | 28 | 13 | 8.5 |
21 | 16 | 48 | 43 | e470 | 300 | 208 | 677 | 221 | 184 | 26 | 12 | 8.3 |
22 | 14 | 45 | 53 | 1580 | 275 | 199 | 608 | 275 | 155 | 24 | 12 | 7.9 |
23 | 13 | 43 | 48 | 3560 | 272 | 227 | 508 | 241 | 149 | 22 | 12 | 7.9 |
24 | 13 | 42 | 41 | 3520 | 276 | 243 | 447 | 210 | 180 | 20 | 20 | 7.7 |
25 | 12 | 41 | e34 | 2220 | 282 | 218 | 389 | 177 | 142 | 19 | 16 | 7.8 |
26 | 12 | 41 | e31 | 1270 | 274 | 196 | 409 | 160 | 128 | 17 | 17 | 7.7 |
27 | 11 | 42 | e29 | 1080 | 271 | 186 | 594 | 146 | 128 | 24 | 19 | 7.6 |
28 | 11 | 40 | e29 | 956 | 278 | 182 | 1100 | 136 | 120 | 32 | 15 | 12 |
29 | 35 | 39 | e31 | 741 | --- | 177 | 1490 | 127 | 105 | 26 | 12 | 28 |
30 | 220 | 39 | e35 | 546 | --- | 166 | 1060 | 121 | 93 | 22 | 11 | 15 |
31 | 43 | --- | e35 | 1120 | --- | 161 | --- | 133 | --- | 20 | 10 | --- |
TOTAL | 1100 | 5343 | 1164 | 19059 | 37201 | 8759 | 24511 | 10918 | 21768 | 1265 | 464 | 292.9 |
MEAN | 35.5 | 178 | 37.5 | 615 | 1329 | 283 | 817 | 352 | 726 | 40.8 | 15.0 | 9.76 |
MAX | 220 | 1200 | 53 | 3560 | 6750 | 601 | 3450 | 902 | 5290 | 109 | 20 | 28 |
MIN | 11 | 23 | 29 | 31 | 271 | 161 | 161 | 121 | 93 | 17 | 10 | 7.6 |
CFSM | .04 | .21 | .04 | .71 | 1.53 | .33 | .94 | .41 | .84 | .05 | .02 | .01 |
IN. | .05 | .23 | .05 | .82 | 1.59 | .38 | 1.05 | .47 | .93 | .05 | .02 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 223 | 317 | 461 | 536 | 748 | 909 | 1172 | 868 | 550 | 321 | 203 | 179 |
MAX | 4037 | 3703 | 3538 | 3514 | 3358 | 3844 | 6645 | 5386 | 4060 | 3216 | 3233 | 3161 |
(WY) | 1927 | 1947 | 1983 | 1950 | 1982 | 1978 | 1927 | 1929 | 1945 | 1981 | 1946 | 1926 |
MIN | 2.40 | 4.54 | 1.77 | .76 | 3.59 | 3.82 | 23.0 | 2.89 | 13.6 | 11.8 | 6.86 | 2.38 |
(WY) | 1923 | 1953 | 1956 | 1956 | 1954 | 1954 | 1931 | 1954 | 1988 | 1988 | 1964 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1921 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 271258 | 131844.9 | ||||
ANNUAL MEAN | 743 | 361 | 539 | |||
HIGHEST ANNUAL MEAN | 1883 | 1927 | ||||
LOWEST ANNUAL MEAN | 17.0 | 1954 | ||||
HIGHEST DAILY MEAN | 8710 | Mar 21 | 6750 A | Feb 8 | 32700 | May 19 1943 |
LOWEST DAILY MEAN | 11 | Oct 27,28 | 7.6 | Sep 27 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 12 | Oct 22 | 7.8 | Sep 21 | .00 | Oct 19 1955 |
INSTANTANEOUS PEAK FLOW | 8270 | Feb 8 | 40100 C | Apr 12 1994 | ||
INSTANTANEOUS PEAK STAGE | 20.94 | Feb 8 | 28.50 | May 18 1943 | ||
INSTANTANEOUS LOW FLOW | 7.5 | Sep 22-27 | ||||
ANNUAL RUNOFF (CFSM) | .86 | .42 | .62 | |||
ANNUAL RUNOFF (INCHES) | 11.63 | 5.65 | 8.43 | |||
10 PERCENT EXCEEDS | 2320 | 845 | 1150 | |||
50 PERCENT EXCEEDS | 110 | 77 | 98 | |||
90 PERCENT EXCEEDS | 17 | 12 | 7.9 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |