DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 1.7 | 3.8 | 368 | 420 | 517 | 720 | 3190 | 2530 | 868 | 1750 | 159 | .00 |
2 | 2.0 | 3.5 | 760 | 399 | 461 | 902 | 1860 | 2830 | 667 | 1480 | 158 | .00 |
3 | 2.3 | 3.2 | 497 | 376 | 334 | 843 | 2000 | 5050 | 674 | 1320 | 86 | .00 |
4 | 2.6 | 3.1 | 353 | 381 | 627 | 710 | 3320 | 7680 | 693 | 1750 | 48 | .00 |
5 | 2.8 | 3.1 | 349 | 371 | 521 | 578 | 2920 | 6740 | 751 | 856 | 592 | .00 |
6 | 3.0 | 4.4 | 281 | 424 | 395 | 701 | 2690 | 4420 | 627 | 842 | 497 | .00 |
7 | 3.4 | 4.0 | 273 | 673 | 272 | 487 | 2280 | 4490 | 429 | 1220 | 323 | .00 |
8 | 3.6 | 2.9 | 261 | 1580 | 264 | 518 | 1880 | 5800 | 410 | 1490 | 233 | .00 |
9 | 4.5 | 2.2 | 277 | 2110 | 309 | 1070 | 1790 | 5900 | 891 | 1380 | 226 | .00 |
10 | 4.9 | 1.9 | 331 | 1860 | 353 | 1740 | 1710 | 4470 | 1030 | 1180 | 135 | .00 |
11 | 4.9 | 1.7 | 329 | 1920 | 407 | 1920 | 1440 | 4770 | 1570 | 902 | 37 | .00 |
12 | 4.9 | 1.4 | 306 | 2140 | 394 | 1910 | 1360 | 4520 | 2540 | 489 | 5.8 | .00 |
13 | 6.5 | 1.3 | 284 | 2090 | 386 | 1920 | 1540 | 3330 | 3310 | 593 | 31 | .00 |
14 | 7.2 | 1.3 | 281 | 2000 | 429 | 1970 | 1480 | 3330 | 3140 | 630 | 4.1 | .00 |
15 | 6.8 | 1.4 | 279 | 1690 | 430 | 1970 | 1340 | 2610 | 4910 | 461 | 121 | .00 |
16 | 6.4 | .92 | 269 | 940 | 690 | 1850 | 1530 | 1430 | 7760 | 357 | 285 | .00 |
17 | 6.2 | .21 | 254 | 545 | 812 | 2010 | 1220 | 1220 | 6560 | 306 | 26 | .00 |
18 | 6.1 | .31 | 252 | 584 | 935 | 3090 | 971 | 1160 | 5460 | 284 | 117 | .00 |
19 | 6.0 | .40 | 178 | 642 | 1420 | 4120 | 1120 | 610 | 8110 | 287 | 47 | .00 |
20 | 5.7 | .65 | 162 | 702 | 1270 | 4920 | 1110 | 962 | 7570 | 168 | 18 | .00 |
21 | 5.6 | 1.1 | 164 | 742 | 1230 | 6840 | 881 | 1100 | 6060 | 80 | 4.9 | .00 |
22 | 5.3 | 1.1 | 225 | 584 | 1200 | 7550 | 858 | 782 | 4010 | 288 | 2.1 | .00 |
23 | 5.3 | .59 | 261 | 435 | 1160 | 6530 | 839 | 1470 | 6710 | 662 | 1.5 | .00 |
24 | 5.2 | .28 | 259 | 425 | 935 | 5110 | 669 | 2440 | 4450 | 185 | 2.2 | .00 |
25 | 5.0 | .28 | 286 | 421 | 835 | 4500 | 473 | 3420 | 3110 | 117 | .90 | .21 |
26 | 6.6 | .31 | 370 | 298 | 846 | 2860 | 594 | 2980 | 2860 | 270 | .45 | .35 |
27 | 6.5 | 1.0 | 460 | 348 | 708 | 2900 | 1090 | 2570 | 2720 | 251 | .00 | .54 |
28 | 5.1 | 7.8 | 465 | 429 | 728 | 4230 | 765 | 1340 | 2360 | 28 | 40 | .92 |
29 | 4.4 | 14 | 467 | 442 | --- | 5030 | 451 | 1210 | 1580 | 5.5 | 28 | 1.5 |
30 | 3.8 | 109 | 466 | 405 | --- | 3870 | 562 | 972 | 2090 | 74 | 3.4 | 2.0 |
31 | 3.7 | --- | 448 | 501 | --- | 3490 | --- | 737 | --- | 197 | .52 | --- |
TOTAL | 148.0 | 177.15 | 10215 | 26877 | 18868 | 86859 | 43933 | 92873 | 93920 | 19902.5 | 3232.87 | 5.52 |
MEAN | 4.77 | 5.90 | 330 | 867 | 674 | 2802 | 1464 | 2996 | 3131 | 642 | 104 | .18 |
MAX | 7.2 | 109 | 760 | 2140 | 1420 | 7550 | 3320 | 7680 | 8110 | 1750 | 592 | 2.0 |
MIN | 1.7 | .21 | 162 | 298 | 264 | 487 | 451 | 610 | 410 | 5.5 | .00 | .00 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1983 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 262 | 645 | 919 | 723 | 864 | 1226 | 1174 | 1595 | 934 | 409 | 123 | 139 |
MAX | 2217 | 4041 | 2294 | 3087 | 2230 | 2802 | 3674 | 4027 | 3131 | 1947 | 515 | 1736 |
(WY) | 1994 | 1986 | 1991 | 1993 | 1984 | 1998 | 1994 | 1995 | 1998 | 1993 | 1985 | 1993 |
MIN | .24 | 3.67 | 2.21 | 26.8 | 56.0 | 180 | 83.8 | 129 | 17.3 | 2.69 | .33 | .18 |
(WY) | 1995 | 1983 | 1990 | 1990 | 1989 | 1996 | 1986 | 1988 | 1988 | 1989 | 1996 | 1998 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1983 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 160026.68 | 397011.04 | ||||
ANNUAL MEAN | 438 | 1088 | 751 | |||
HIGHEST ANNUAL MEAN | 1511 | 1993 | ||||
LOWEST ANNUAL MEAN | 337 | 1989 | ||||
HIGHEST DAILY MEAN | 5000 | Feb 27 | 8110 | Jun 19 | 16400 | Apr 15 1994 |
LOWEST DAILY MEAN | .00 | Jan 17-19 | .00 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .62 | Nov 20 | .00 | Sep 1 | .00 | Oct 8 1988 |
INSTANTANEOUS PEAK FLOW | 8930 | Jun 19 | 17100 C | Apr 15 1994 | ||
INSTANTANEOUS PEAK STAGE | 17.87 | Jun 19 | 23.04 D | May 2 1983 | ||
10 PERCENT EXCEEDS | 1170 | 3240 | 2160 | |||
50 PERCENT EXCEEDS | 216 | 429 | 255 | |||
90 PERCENT EXCEEDS | 2.8 | .57 | 1.5 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |