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 | 26 | 44 | 50 | e14 | 1590 | 640 | 149 | 358 | 417 | 258 | 25 | 11 |
2 | 21 | 50 | 48 | e17 | 1920 | 413 | 145 | 220 | 346 | 1040 | 16 | 9.5 |
3 | 17 | 470 | 43 | e20 | 2080 | 300 | 172 | 155 | 312 | 1330 | 15 | 7.5 |
4 | 16 | 721 | 41 | e25 | 2020 | 254 | 665 | 130 | 277 | 1620 | 19 | 4.6 |
5 | 17 | 437 | 49 | e23 | 1860 | 229 | 641 | 368 | 719 | 756 | 14 | 6.3 |
6 | 24 | 224 | 59 | e19 | 1020 | 325 | 693 | 894 | 603 | 221 | 12 | 7.0 |
7 | 69 | 125 | 63 | e17 | 2060 | 335 | 1010 | 1080 | 270 | 144 | 12 | 7.2 |
8 | 51 | 81 | 62 | e20 | 5050 | 328 | 1110 | 1160 | 181 | 464 | 43 | 7.3 |
9 | 35 | 61 | 56 | e21 | 5910 | 1000 | 917 | 709 | 218 | 552 | 108 | 8.1 |
10 | 24 | 108 | 51 | e18 | 6920 | 1260 | 624 | 274 | 200 | 314 | 55 | 6.8 |
11 | 18 | 441 | 45 | e15 | 5490 | 1510 | 638 | 186 | 113 | 845 | 32 | 5.9 |
12 | 16 | 447 | 41 | e16 | 3350 | 1390 | 622 | 203 | 516 | 850 | 25 | 7.8 |
13 | 15 | 325 | 44 | e70 | 2190 | 747 | 353 | 908 | 812 | 375 | 22 | 8.2 |
14 | 15 | 180 | 42 | e220 | 1650 | 372 | 258 | 1150 | 1220 | 156 | 19 | 11 |
15 | 14 | 114 | 37 | e190 | 981 | 291 | 284 | 1320 | 1290 | 99 | 17 | 12 |
16 | 14 | 85 | 34 | e180 | 463 | 255 | 740 | 1330 | 1170 | 76 | 15 | 8.7 |
17 | 17 | 70 | 32 | e320 | 416 | 218 | 861 | 703 | 798 | 63 | 14 | 6.7 |
18 | 28 | 61 | 32 | 1260 | 363 | 192 | 784 | 500 | 328 | 54 | 11 | 6.2 |
19 | 50 | 52 | 34 | 1480 | 320 | 177 | 463 | 394 | 180 | 49 | 12 | 5.0 |
20 | 42 | 51 | 38 | 1630 | 278 | 166 | 298 | 274 | 130 | 42 | 13 | 5.5 |
21 | 29 | 53 | 43 | 1670 | 241 | 153 | 239 | 213 | 107 | 68 | 11 | 5.6 |
22 | 23 | 51 | 49 | 1720 | 213 | 141 | 227 | 185 | 92 | 82 | 11 | 6.3 |
23 | 19 | 45 | 41 | 1740 | 207 | 498 | 197 | 162 | 85 | 34 | 11 | 5.5 |
24 | 17 | 43 | 32 | 1810 | 212 | 1010 | 170 | 150 | 482 | 22 | 11 | 4.4 |
25 | 16 | 40 | e26 | 1820 | 211 | 963 | 151 | 140 | 489 | 17 | 11 | 3.5 |
26 | 17 | 39 | e22 | 1790 | 207 | 497 | 150 | 127 | 304 | 14 | 17 | 2.6 |
27 | 20 | 40 | e20 | 1740 | 305 | 290 | 177 | 112 | 892 | 9.8 | 15 | 2.1 |
28 | 21 | 38 | e18 | 1250 | 586 | 224 | 379 | 100 | 1000 | 13 | 12 | 2.9 |
29 | 24 | 35 | e16 | 485 | --- | 197 | 346 | 93 | 527 | 13 | 10 | 3.2 |
30 | 34 | 39 | e15 | 312 | --- | 173 | 442 | 89 | 214 | 23 | 14 | 2.0 |
31 | 73 | --- | e14 | 1060 | --- | 156 | --- | 105 | --- | 25 | 13 | --- |
TOTAL | 822 | 4570 | 1197 | 20972 | 48113 | 14704 | 13905 | 13792 | 14292 | 9628.8 | 635 | 190.4 |
MEAN | 26.5 | 152 | 38.6 | 677 | 1718 | 474 | 464 | 445 | 476 | 311 | 20.5 | 6.35 |
MAX | 73 | 721 | 63 | 1820 | 6920 | 1510 | 1110 | 1330 | 1290 | 1620 | 108 | 12 |
MIN | 14 | 35 | 14 | 14 | 207 | 141 | 145 | 89 | 85 | 9.8 | 10 | 2.0 |
CFSM | .06 | .33 | .08 | 1.46 | 3.70 | 1.02 | 1.00 | .96 | 1.03 | .67 | .04 | .01 |
IN. | .07 | .37 | .10 | 1.68 | 3.86 | 1.18 | 1.11 | 1.11 | 1.15 | .77 | .05 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 87.8 | 281 | 441 | 409 | 619 | 707 | 725 | 524 | 327 | 142 | 101 | 92.8 |
MAX | 506 | 1543 | 2380 | 1438 | 1954 | 2390 | 1771 | 3579 | 1214 | 530 | 822 | 1142 |
(WY) | 1987 | 1994 | 1983 | 1974 | 1982 | 1978 | 1979 | 1995 | 1998 | 1981 | 1998 | 1993 |
MIN | 2.55 | 2.21 | 6.86 | 3.87 | 42.2 | 34.5 | 45.3 | 25.4 | 12.4 | 12.9 | 10.7 | 4.30 |
(WY) | 1972 | 1972 | 1977 | 1977 | 1978 | 1981 | 1981 | 1976 | 1988 | 1976 | 1971 | 1983 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1971 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 183310 | 142821.2 | ||||
ANNUAL MEAN | 502 | 391 | 370 | |||
HIGHEST ANNUAL MEAN | 660 | 1973 | ||||
LOWEST ANNUAL MEAN | 74.6 | 1976 | ||||
HIGHEST DAILY MEAN | 4490 | Mar 21 | 6920 | Feb 10 | 15000 | May 19 1995 |
LOWEST DAILY MEAN | 14 | A | 2.0 | Sep 30 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 16 | Oct 11 | 3.0 | Sep 24 | .75 | Sep 15 1983 |
INSTANTANEOUS PEAK FLOW | 7100 | Feb 10 | 15300 | May 19 1995 | ||
INSTANTANEOUS PEAK STAGE | 19.00 | Feb 10 | 25.38 | May 19 1995 | ||
INSTANTANEOUS LOW FLOW | 1.6 | Sep 30 | ||||
ANNUAL RUNOFF (CFSM) | 1.08 | .84 | .80 | |||
ANNUAL RUNOFF (INCHES) | 14.70 | 11.45 | 10.83 | |||
10 PERCENT EXCEEDS | 1510 | 1130 | 1050 | |||
50 PERCENT EXCEEDS | 152 | 114 | 73 | |||
90 PERCENT EXCEEDS | 23 | 11 | 8.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |