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 | 25 | 26 | 28 | 1170 | 3830 | 1500 | 258 | 1490 | 662 | 1080 | 1030 | 24 |
2 | 25 | 28 | 28 | 1180 | 3810 | 1350 | 153 | 1380 | 287 | 1220 | 886 | 14 |
3 | 25 | 29 | 28 | 1170 | 3710 | 1280 | 98 | 1080 | 402 | 1310 | 730 | 19 |
4 | 25 | 28 | 27 | 1050 | 3490 | 1250 | 97 | 702 | 638 | 1380 | 625 | 20 |
5 | 25 | 28 | 27 | 847 | 3120 | 1080 | 149 | 692 | 642 | 1350 | 499 | 20 |
6 | 26 | 28 | 27 | 586 | 2770 | 979 | 179 | 680 | 911 | 1260 | 325 | 20 |
7 | 26 | 29 | 26 | 307 | 2830 | 976 | 178 | 802 | 1040 | 1180 | 173 | 20 |
8 | 25 | 29 | 26 | 108 | 2860 | 974 | 178 | 927 | 1070 | 1180 | 65 | 20 |
9 | 25 | 29 | 26 | 34 | 2780 | 977 | 177 | 916 | 1120 | 1020 | 27 | 20 |
10 | 26 | 31 | 26 | 34 | 2760 | 975 | 176 | 811 | 1110 | 731 | 28 | 21 |
11 | 26 | 28 | 26 | 33 | 2770 | 974 | 179 | 708 | 1110 | 979 | 28 | 21 |
12 | 26 | 27 | 22 | 34 | 2790 | 904 | 179 | 606 | 954 | 1300 | 28 | 21 |
13 | 26 | 27 | 22 | 34 | 2780 | 861 | 177 | 644 | 695 | 1390 | 29 | 21 |
14 | 30 | 27 | 26 | 113 | 2770 | 918 | 177 | 884 | 853 | 1330 | 28 | 21 |
15 | 25 | 27 | 237 | 200 | 2760 | 958 | 182 | 1010 | 1390 | 1220 | 28 | 20 |
16 | 26 | 27 | 886 | 200 | 2760 | 959 | 289 | 840 | 1430 | 1120 | 28 | 21 |
17 | 27 | 28 | 1220 | 204 | 2750 | 960 | 774 | 566 | 1430 | 1000 | 27 | 21 |
18 | 27 | 28 | 1210 | 374 | 2740 | 959 | 1290 | 632 | 1290 | 961 | 134 | 21 |
19 | 27 | 29 | 1200 | 814 | 2730 | 902 | 1300 | 675 | 998 | 959 | 303 | 21 |
20 | 27 | 29 | 1200 | 1080 | 2720 | 859 | 1240 | 621 | 997 | 875 | 315 | 21 |
21 | 26 | 29 | 1480 | 1090 | 2710 | 859 | 1060 | 610 | 1070 | 835 | 153 | 21 |
22 | 26 | 30 | 1740 | 1680 | 2690 | 858 | 926 | 612 | 1110 | 1000 | 88 | 22 |
23 | 26 | 30 | 1730 | 2240 | 2640 | 857 | 1020 | 661 | 1100 | 1500 | 54 | e22 |
24 | 25 | 30 | 1730 | 2250 | 2430 | 793 | 1100 | 975 | 1110 | 1600 | 53 | 22 |
25 | 25 | 30 | 1720 | 2860 | 2220 | 687 | 920 | 1150 | 1110 | 1590 | 53 | 21 |
26 | 26 | 30 | 1710 | 3810 | 2030 | 581 | 817 | 1140 | 1050 | 1520 | 53 | 21 |
27 | 26 | 30 | 1700 | 3860 | 1830 | 539 | 820 | 937 | 936 | 1480 | 53 | 21 |
28 | 27 | 30 | 1650 | 3860 | 1710 | 539 | 1000 | 854 | 801 | 1470 | 53 | 21 |
29 | 28 | 30 | 1500 | 3840 | --- | 476 | 1420 | 850 | 914 | 1410 | 52 | 21 |
30 | 28 | 29 | 1380 | 3830 | --- | 364 | 1560 | 840 | 1080 | 1310 | 52 | 21 |
31 | 28 | --- | 1280 | 3840 | --- | 317 | --- | 734 | --- | 1190 | 52 | --- |
TOTAL | 811 | 860 | 23938 | 42732 | 77790 | 27465 | 18073 | 26029 | 29310 | 37750 | 6052 | 620 |
MEAN | 26.2 | 28.7 | 772 | 1378 | 2778 | 886 | 602 | 840 | 977 | 1218 | 195 | 20.7 |
MAX | 30 | 31 | 1740 | 3860 | 3830 | 1500 | 1560 | 1490 | 1430 | 1600 | 1030 | 24 |
MIN | 25 | 26 | 22 | 33 | 1710 | 317 | 97 | 566 | 287 | 731 | 27 | 14 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 383 | 449 | 1201 | 1388 | 1560 | 1607 | 1114 | 817 | 961 | 897 | 647 | 308 |
MAX | 2031 | 1626 | 3492 | 3527 | 4551 | 4696 | 3980 | 2903 | 2689 | 2882 | 2079 | 1786 |
(WY) | 1970 | 1994 | 1986 | 1993 | 1974 | 1979 | 1979 | 1996 | 1996 | 1974 | 1973 | 1973 |
MIN | 5.15 | 5.44 | 2.58 | 3.57 | 15.4 | 253 | 25.3 | 10.0 | 8.56 | 12.5 | 8.24 | 3.72 |
(WY) | 1971 | 1971 | 1977 | 1977 | 1977 | 1992 | 1990 | 1987 | 1976 | 1976 | 1970 | 1970 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1970 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 465634 | 291430 | ||||
ANNUAL MEAN | 1276 | 798 | 942 | |||
HIGHEST ANNUAL MEAN | 1941 | 1974 | ||||
LOWEST ANNUAL MEAN | 275 | 1971 | ||||
HIGHEST DAILY MEAN | 5100 | Mar 24 | 3860 | Jan 27,28 | 5100 | Mar 24 1998 |
LOWEST DAILY MEAN | 22 | Dec 12,13 | 14 | Sep 2 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 24 | Sep 15 | 19 | Sep 2 | 2.0 | Dec 22 1976 |
INSTANTANEOUS PEAK FLOW | 3870 | Jan 27 | 5580 B | Mar 22 1998 | ||
INSTANTANEOUS PEAK STAGE | 15.83 | Jan 27 | 13.16 C | Mar 20 1982 | ||
INSTANTANEOUS LOW FLOW | 7.0 | Sep 1,2 | ||||
10 PERCENT EXCEEDS | 2500 | 1780 | 2270 | |||
50 PERCENT EXCEEDS | 1310 | 675 | 589 | |||
90 PERCENT EXCEEDS | 26 | 25 | 14 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |