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 | 155 | 134 | 1080 | 650 | 1420 | 2610 | 4810 | 11900 | 2070 | 5750 | 715 | 300 |
2 | 156 | 134 | 1340 | 786 | 1420 | 2440 | 4680 | 12200 | 1920 | 3910 | 675 | 292 |
3 | 133 | 145 | 1070 | 747 | 1380 | 2300 | 4080 | 11300 | 1800 | 3380 | 644 | 280 |
4 | 129 | 133 | 926 | 719 | 1330 | 2180 | 4070 | 9340 | 1690 | 3050 | 655 | 271 |
5 | 126 | 140 | 819 | 947 | 1300 | 2010 | 4070 | 7740 | 1640 | 2760 | 1450 | 258 |
6 | 126 | 157 | 726 | 1300 | 1270 | 1940 | 3730 | 6070 | 1560 | 2540 | 2840 | 250 |
7 | 124 | 197 | 656 | 1660 | 1220 | 1920 | 3470 | 6900 | 1460 | 2760 | 1770 | 236 |
8 | 123 | 191 | 609 | 2690 | 1170 | 2100 | 4440 | 9480 | 1390 | 5050 | 1150 | 234 |
9 | 124 | 192 | 589 | 5400 | 1130 | 4570 | 4850 | 10200 | 1840 | 4010 | 903 | 227 |
10 | 124 | 177 | 585 | 5020 | 1120 | 5120 | 3830 | 8220 | 2470 | 3230 | 759 | 223 |
11 | 127 | 165 | 577 | 4030 | 1420 | 5020 | 3440 | 6360 | 2820 | 2790 | 675 | 223 |
12 | 124 | 160 | 574 | 3540 | 3330 | 4720 | 3200 | 5780 | 5200 | 2490 | 612 | 218 |
13 | 129 | 156 | 576 | 3080 | 3410 | 4310 | 3050 | 6140 | 5090 | 2270 | 543 | 213 |
14 | 137 | 161 | 568 | 2680 | 2780 | 3400 | 3770 | 5290 | 4140 | 2090 | 505 | 214 |
15 | 154 | 156 | 548 | 2490 | 2420 | 3130 | 3930 | 4530 | 5000 | 1930 | 472 | 214 |
16 | 131 | 152 | 543 | 2360 | 2250 | 2930 | 3510 | 4020 | 7830 | 1810 | 482 | 214 |
17 | 143 | 158 | 537 | 2120 | 2280 | 3190 | 3120 | 3470 | 10200 | 1690 | 453 | 211 |
18 | 130 | 154 | 534 | 1900 | 2790 | 7770 | 2760 | 3050 | 9460 | 1590 | 1220 | 207 |
19 | 124 | 153 | 533 | 1680 | 3200 | 8860 | 2560 | 2790 | 7030 | 1500 | 1520 | 204 |
20 | 122 | 150 | 521 | 1560 | 3080 | 8410 | 2420 | 2680 | 6820 | 1440 | 1060 | 204 |
21 | 119 | 148 | 507 | 1490 | 2960 | 9830 | 2400 | 2520 | 6020 | 1320 | 703 | 204 |
22 | 117 | 147 | 506 | 1440 | 2750 | 10000 | 2350 | 2500 | 5290 | 1280 | 570 | 201 |
23 | 120 | 147 | 534 | 1390 | 2590 | 9380 | 2170 | 2830 | 7350 | 1400 | 493 | 198 |
24 | 124 | 145 | 588 | 1320 | 2530 | 7940 | 2040 | 3930 | 6560 | 1240 | 443 | 197 |
25 | 122 | 145 | 815 | 1260 | 2450 | 6580 | 1940 | 4460 | 4930 | 1100 | 406 | 223 |
26 | 130 | 146 | 1100 | 1200 | 2420 | 5900 | 1870 | 3840 | 4040 | 1010 | 376 | 225 |
27 | 131 | 145 | 1030 | 1180 | 2640 | 5210 | 1740 | 3290 | 3600 | 944 | 351 | 207 |
28 | 165 | 174 | 954 | 1240 | 2860 | 4990 | 1600 | 2890 | 3190 | 892 | 345 | 207 |
29 | 146 | 256 | 912 | 1360 | --- | 5940 | 1900 | 2620 | 4470 | 833 | 354 | 201 |
30 | 147 | 411 | 875 | 1510 | --- | 5510 | 9390 | 2400 | 7910 | 788 | 339 | 194 |
31 | 137 | --- | 798 | 1470 | --- | 4910 | --- | 2260 | --- | 759 | 315 | --- |
TOTAL | 4099 | 5029 | 22530 | 60219 | 60920 | 155120 | 101190 | 171000 | 134790 | 67606 | 23798 | 6750 |
MEAN | 132 | 168 | 727 | 1943 | 2176 | 5004 | 3373 | 5516 | 4493 | 2181 | 768 | 225 |
MAX | 165 | 411 | 1340 | 5400 | 3410 | 10000 | 9390 | 12200 | 10200 | 5750 | 2840 | 300 |
MIN | 117 | 133 | 506 | 650 | 1120 | 1920 | 1600 | 2260 | 1390 | 759 | 315 | 194 |
CFSM | .07 | .09 | .40 | 1.08 | 1.21 | 2.77 | 1.87 | 3.06 | 2.49 | 1.21 | .43 | .12 |
IN. | .08 | .10 | .46 | 1.24 | 1.26 | 3.20 | 2.09 | 3.53 | 2.78 | 1.39 | .49 | .14 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1942 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 532 | 793 | 1062 | 1187 | 1634 | 2171 | 2461 | 2422 | 1833 | 1219 | 664 | 426 |
MAX | 3666 | 7170 | 7545 | 6674 | 5363 | 8252 | 7523 | 9888 | 8412 | 5819 | 7914 | 4890 |
(WY) | 1978 | 1986 | 1983 | 1993 | 1951 | 1979 | 1979 | 1995 | 1974 | 1981 | 1981 | 1993 |
MIN | 65.0 | 72.7 | 65.6 | 81.7 | 89.5 | 238 | 208 | 308 | 191 | 115 | 101 | 68.1 |
(WY) | 1964 | 1964 | 1964 | 1956 | 1989 | 1954 | 1956 | 1963 | 1963 | 1988 | 1963 | 1954 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1942 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 324347 | 813051 | ||||
ANNUAL MEAN | 889 | 2228 | 1365 | |||
HIGHEST ANNUAL MEAN | 3362 | 1993 | ||||
LOWEST ANNUAL MEAN | 315 | 1954 | ||||
HIGHEST DAILY MEAN | 6970 | Feb 28 | 12200 | May 2 | 38700 | May 19 1943 |
LOWEST DAILY MEAN | 117 | Oct 22 | 117 | Oct 22 | 46 | A |
ANNUAL SEVEN-DAY MINIMUM | 121 | Oct 19 | 121 | Oct 19 | 50 | Oct 8 1963 |
INSTANTANEOUS PEAK FLOW | 12500 | May 2 | 41200 | May 19 1943 | ||
INSTANTANEOUS PEAK STAGE | 13.31 | May 2 | 20.50 B | May 19 1943 | ||
INSTANTANEOUS LOW FLOW | 116 | Oct 22-23 | ||||
ANNUAL RUNOFF (CFSM) | .49 | 1.23 | .76 | |||
ANNUAL RUNOFF (INCHES) | 6.69 | 16.77 | 10.28 | |||
10 PERCENT EXCEEDS | 2320 | 5330 | 3270 | |||
50 PERCENT EXCEEDS | 522 | 1420 | 660 | |||
90 PERCENT EXCEEDS | 147 | 147 | 124 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |