| DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | .00 | .00 | .12 | e.02 | 157 | 20 | 9.3 | 32 | 71 | 14 | .10 | .00 |
| 2 | .00 | .01 | .19 | e.02 | 114 | 21 | 8.6 | 30 | 1230 | 13 | .04 | .00 |
| 3 | .00 | .47 | .32 | e.05 | 82 | 20 | 8.9 | 28 | 267 | 11 | .00 | .00 |
| 4 | .00 | 1.1 | .48 | e.14 | 59 | 19 | 9.3 | 27 | 225 | 9.7 | .00 | .00 |
| 5 | .00 | 1.1 | .63 | e.14 | 48 | 19 | 8.1 | 47 | 295 | 8.6 | .00 | .00 |
| 6 | .00 | 1.3 | .63 | e.10 | 44 | 19 | 10 | 62 | 100 | 7.9 | .00 | .00 |
| 7 | .00 | 1.4 | .84 | e.07 | 683 | 17 | 8.5 | 52 | 65 | 7.5 | .00 | .00 |
| 8 | .00 | 1.3 | 1.0 | e.05 | 327 | 18 | 9.2 | 39 | 49 | 6.3 | .00 | .00 |
| 9 | .00 | 1.2 | 1.0 | e.03 | 169 | 22 | 11 | 32 | 40 | 5.6 | .00 | .00 |
| 10 | .00 | 10 | .90 | e.01 | 110 | 21 | 8.1 | 30 | 34 | 5.1 | .00 | .00 |
| 11 | .00 | 4.8 | .82 | e.00 | 86 | 24 | 8.1 | 27 | 31 | 4.1 | .00 | .00 |
| 12 | .00 | 2.8 | .77 | e.00 | 104 | 23 | 6.5 | 27 | 28 | 3.1 | .00 | .00 |
| 13 | .00 | 1.6 | .74 | e.00 | 67 | 22 | 6.4 | 97 | 34 | 2.5 | .00 | .00 |
| 14 | .00 | .79 | .64 | e.50 | 53 | 22 | 7.3 | 62 | 39 | 2.0 | .00 | .00 |
| 15 | .00 | .37 | .59 | e1.0 | 48 | 19 | 20 | 44 | 29 | 1.5 | .00 | .00 |
| 16 | .00 | .13 | .54 | e1.5 | 42 | 18 | 80 | 37 | 24 | 1.1 | .00 | .00 |
| 17 | .00 | .03 | .53 | e8.0 | 37 | 18 | 113 | 33 | 22 | .93 | .05 | .00 |
| 18 | .00 | .00 | .49 | 341 | 34 | 16 | 77 | 29 | 19 | .85 | .15 | .00 |
| 19 | .00 | .00 | .42 | 141 | 31 | 14 | 56 | 25 | 19 | .76 | .06 | .00 |
| 20 | .00 | .00 | .41 | 82 | 28 | 15 | 44 | 24 | 18 | .68 | .01 | .00 |
| 21 | .00 | .00 | .50 | 145 | 25 | 15 | 41 | 27 | 19 | .59 | .00 | .00 |
| 22 | .00 | .00 | .68 | 843 | 24 | 13 | 36 | 41 | 18 | .43 | .00 | .00 |
| 23 | .00 | .00 | .57 | 550 | 25 | 13 | 30 | 33 | 16 | .32 | .00 | .00 |
| 24 | .00 | .00 | .39 | 279 | 23 | 12 | 26 | 31 | 17 | .37 | .00 | .00 |
| 25 | .00 | .00 | e.22 | 172 | 23 | 11 | 25 | 25 | 16 | .44 | .00 | .00 |
| 26 | .00 | .00 | e.14 | 122 | 21 | 10 | 28 | 22 | 15 | .90 | .00 | .00 |
| 27 | .00 | .00 | e.10 | 99 | 24 | 9.9 | 31 | 21 | 42 | .73 | .00 | .00 |
| 28 | .00 | .00 | e.06 | 76 | 23 | 10 | 52 | 20 | 28 | .34 | .00 | .00 |
| 29 | .00 | .01 | e.04 | 59 | --- | 9.0 | 44 | 19 | 19 | .26 | .00 | .00 |
| 30 | .00 | .06 | e.03 | 50 | --- | 8.1 | 36 | 18 | 15 | .19 | .00 | .00 |
| 31 | .00 | --- | e.02 | 89 | --- | 8.7 | --- | 19 | --- | .16 | .00 | --- |
| TOTAL | 0.00 | 28.47 | 14.81 | 3059.63 | 2511 | 506.7 | 858.3 | 1060 | 2844 | 110.95 | 0.41 | 0.00 |
| MEAN | .000 | .95 | .48 | 98.7 | 89.7 | 16.3 | 28.6 | 34.2 | 94.8 | 3.58 | .013 | .000 |
| MAX | .00 | 10 | 1.0 | 843 | 683 | 24 | 113 | 97 | 1230 | 14 | .15 | .00 |
| MIN | .00 | .00 | .02 | .00 | 21 | 8.1 | 6.4 | 18 | 15 | .16 | .00 | .00 |
| CFSM | .00 | .03 | .01 | 2.85 | 2.59 | .47 | .83 | .99 | 2.74 | .10 | .00 | .00 |
| IN. | .00 | .03 | .02 | 3.29 | 2.70 | .54 | .92 | 1.14 | 3.06 | .12 | .00 | .00 |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1999, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 7.69 | 35.2 | 38.8 | 39.8 | 48.8 | 48.5 | 54.8 | 50.0 | 35.0 | 11.0 | 3.22 | 4.47 |
| MAX | 41.2 | 235 | 131 | 122 | 124 | 117 | 146 | 141 | 102 | 37.6 | 14.1 | 54.2 |
| (WY) | 1994 | 1993 | 1983 | 1993 | 1982 | 1998 | 1994 | 1996 | 1998 | 1993 | 1981 | 1993 |
| MIN | .000 | .36 | .48 | .19 | 8.46 | 5.88 | 11.2 | 8.43 | 1.27 | .031 | .000 | .000 |
| (WY) | 1989 | 1998 | 1999 | 1981 | 1995 | 1981 | 1986 | 1997 | 1991 | 1991 | 1984 | 1983 |
| SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1980 - 1999 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 14595.63 | 10994.27 | ||||
| ANNUAL MEAN | 40.0 | 30.1 | 31.5 | |||
| HIGHEST ANNUAL MEAN | 59.8 | 1993 | ||||
| LOWEST ANNUAL MEAN | 12.4 | 1992 | ||||
| HIGHEST DAILY MEAN | 681 | May 23 | 1230 | Jun 2 | 1680 | May 16 1990 |
| LOWEST DAILY MEAN | .00 | Many days | .00 | Many days | .00 | A |
| ANNUAL SEVEN-DAY MINIMUM | .00 | Sep 5 | .00 | Oct 1 | .00 | Aug 11 1983 |
| INSTANTANEOUS PEAK FLOW | 2890 | Jun 2 | 3200 B | Apr 29 1996 | ||
| INSTANTANEOUS PEAK STAGE | 13.04 | Jun 2 | 13.04 C | Jun 2 1999 | ||
| ANNUAL RUNOFF (CFSM) | 1.16 | .87 | .91 | |||
| ANNUAL RUNOFF (INCHES) | 15.69 | 11.82 | 12.36 | |||
| 10 PERCENT EXCEEDS | 99 | 59 | 70 | |||
| 50 PERCENT EXCEEDS | 15 | 1.6 | 11 | |||
| 90 PERCENT EXCEEDS | .00 | .00 | .02 | |||
|
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |