DISCHARGE: March 1921 to November 1933, May to August 1940, October 1940 to current year. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1978-91. |
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 | 10 | 11 | 9.4 | 6.8 | e6.2 | 9.0 | 25 | 21 | 137 | 384 | 682 | 93 |
2 | 9.0 | 11 | 8.9 | 7.0 | e6.8 | 8.7 | 22 | 20 | 98 | 303 | 383 | 81 |
3 | 9.3 | 10 | 8.8 | 8.0 | 7.8 | 8.6 | 20 | 20 | 66 | 257 | 261 | 72 |
4 | 10 | 9.8 | 9.5 | 9.0 | 6.7 | 9.9 | 18 | 19 | 52 | 222 | 197 | 66 |
5 | 9.3 | 10 | 244 | 7.6 | 6.0 | 9.9 | 16 | 17 | 58 | 248 | 158 | 60 |
6 | 8.8 | 11 | 97 | 7.1 | 6.0 | 8.4 | 14 | 16 | 46 | 262 | 142 | 56 |
7 | 8.7 | 12 | 37 | 6.9 | 6.2 | 7.5 | 21 | 527 | 39 | 271 | 208 | 53 |
8 | 55 | 12 | 22 | 8.4 | 6.0 | 7.0 | 24 | 159 | 33 | 243 | 874 | 51 |
9 | 31 | 11 | 19 | 8.3 | 6.2 | 6.5 | 28 | 74 | 30 | 180 | 631 | 49 |
10 | 17 | 10 | 19 | 8.0 | 7.2 | 5.9 | 30 | 51 | 25 | 149 | 348 | 47 |
11 | 22 | 9.9 | 16 | 6.9 | 7.7 | 6.9 | 24 | 38 | 30 | 861 | 217 | 47 |
12 | 15 | 11 | 14 | 6.3 | 6.8 | 7.9 | 24 | 35 | 53 | 956 | 161 | 97 |
13 | 11 | 10 | 12 | 5.5 | 7.0 | 9.3 | 22 | 91 | 86 | 321 | 124 | 108 |
14 | 9.4 | 10 | 11 | 5.1 | 6.9 | 9.5 | 20 | 83 | 38 | 202 | 102 | 107 |
15 | 8.7 | 10 | 11 | 5.1 | 6.3 | 9.1 | 19 | 47 | 28 | 143 | 91 | 108 |
16 | 8.5 | 10 | 10 | 5.1 | 5.6 | 8.9 | 20 | 31 | 25 | 118 | 84 | 82 |
17 | 8.9 | 9.7 | 10 | 5.3 | 5.5 | 8.4 | 25 | 23 | 25 | 103 | 82 | 65 |
18 | 8.1 | 9.6 | 9.5 | 5.4 | 61 | 8.5 | 34 | 19 | 24 | 1260 | 110 | 56 |
19 | 8.3 | 9.2 | 9.1 | 5.5 | 61 | 24 | 31 | 16 | 21 | 6750 | 94 | 50 |
20 | 8.2 | 8.9 | e8.2 | 5.2 | 55 | 82 | 54 | 15 | 297 | 2500 | 85 | 46 |
21 | 8.5 | 9.0 | e7.8 | 5.4 | 33 | 83 | 48 | 14 | 3750 | 570 | 72 | 44 |
22 | 8.8 | 9.0 | e7.4 | 4.6 | 20 | 65 | 35 | 16 | 1470 | 305 | 65 | 44 |
23 | 9.5 | 11 | e7.0 | 4.5 | 15 | 56 | 31 | 69 | 959 | 216 | 63 | 43 |
24 | 10 | 12 | e7.0 | e4.7 | 15 | 43 | 44 | 32 | 9810 | 171 | 2370 | 47 |
25 | 11 | 11 | e7.0 | e5.0 | 13 | 41 | 42 | 29 | 11700 | 142 | 2150 | 122 |
26 | 10 | 11 | e7.0 | e5.5 | 11 | 36 | 36 | 56 | 12000 | 120 | 791 | 758 |
27 | 11 | 20 | e7.4 | e6.0 | 11 | 44 | 34 | 1990 | 10600 | 106 | 315 | 943 |
28 | 11 | 16 | e7.5 | e7.0 | 9.1 | 42 | 31 | 3010 | 3920 | 840 | 211 | 426 |
29 | 11 | 14 | 7.5 | e7.0 | 8.2 | 41 | 26 | 859 | 859 | 4460 | 160 | 250 |
30 | 11 | 11 | 7.5 | e6.5 | --- | 35 | 24 | 358 | 523 | 4390 | 129 | 181 |
31 | 11 | --- | 7.1 | e6.0 | --- | 28 | --- | 209 | --- | 2700 | 109 | --- |
TOTAL | 389.0 | 330.1 | 665.6 | 194.7 | 423.2 | 769.9 | 842 | 7964 | 56802 | 29753 | 11469 | 4252 |
MEAN | 12.5 | 11.0 | 21.5 | 6.28 | 14.6 | 24.8 | 28.1 | 257 | 1893 | 960 | 370 | 142 |
MAX | 55 | 20 | 244 | 9.0 | 61 | 83 | 54 | 3010 | 12000 | 6750 | 2370 | 943 |
MIN | 8.1 | 8.9 | 7.0 | 4.5 | 5.5 | 5.9 | 14 | 14 | 21 | 103 | 63 | 43 |
CFSM | .01 | .01 | .02 | .01 | .02 | .03 | .03 | .30 | 2.18 | 1.11 | .43 | .16 |
IN. | .02 | .01 | .03 | .01 | .02 | .03 | .04 | .34 | 2.43 | 1.28 | .49 | .18 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 220 | 313 | 455 | 529 | 737 | 897 | 1156 | 860 | 568 | 330 | 205 | 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 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1921 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 125622.6 | 113854.5 | ||||
ANNUAL MEAN | 344 | 311 | 536 | |||
HIGHEST ANNUAL MEAN | 1883 | 1927 | ||||
LOWEST ANNUAL MEAN | 17.0 | 1954 | ||||
HIGHEST DAILY MEAN | 6750 A | Feb 8 | 12000 | Jun 26 | 32700 | May 19 1943 |
LOWEST DAILY MEAN | 7.0 A | Dec 23-26 | 4.5 B | Jan 23 | .00 | C |
ANNUAL SEVEN-DAY MINIMUM | 7.2 | Dec 22 | 5.0 | Jan 19 | .00 | Oct 19 1955 |
INSTANTANEOUS PEAK FLOW | 12600 | Jun 26 | 40100 D | Apr 12 1994 | ||
INSTANTANEOUS PEAK STAGE | 22.72 | Jun 26 | 28.50 | May 18 1943 | ||
INSTANTANEOUS LOW FLOW | 4.2 | Jan 23 | ||||
ANNUAL RUNOFF (CFSM) | .40 | .36 | .62 | |||
ANNUAL RUNOFF (INCHES) | 5.38 | 4.88 | 8.39 | |||
10 PERCENT EXCEEDS | 773 | 351 | 1140 | |||
50 PERCENT EXCEEDS | 48 | 22 | 96 | |||
90 PERCENT EXCEEDS | 8.8 | 6.9 | 7.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |