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 | 114 | 51 | 108 | 973 | 1130 | 2010 | 8090 | 2950 | 1950 | 3900 | 1660 | 1540 |
2 | 115 | 61 | 140 | 975 | 1110 | 1800 | 7010 | 2120 | 1830 | 3150 | 1640 | 1550 |
3 | 140 | 58 | 123 | 977 | 1090 | 1710 | 6300 | 2440 | 1810 | 2910 | 1690 | 1530 |
4 | 209 | 57 | 113 | 975 | 1060 | 1540 | 6640 | 5260 | 1920 | 2800 | 1670 | 1400 |
5 | 193 | 61 | 99 | 984 | 989 | 1340 | 6870 | 5960 | 2000 | 2700 | 2680 | 1260 |
6 | 132 | 70 | 90 | 1040 | 955 | 1300 | 7000 | 4680 | 1740 | 2680 | 3330 | 1200 |
7 | 121 | 72 | 83 | 1130 | 866 | 1400 | 6490 | 2950 | 1830 | 4110 | 1780 | 1050 |
8 | 120 | 74 | 80 | 2330 | 774 | 1830 | 5730 | 4540 | 1960 | 6300 | 1400 | 873 |
9 | 123 | 74 | 80 | 4300 | 747 | 4450 | 5030 | 5680 | 2710 | 6690 | 1170 | 652 |
10 | 131 | 68 | 80 | 3400 | 733 | 4970 | 4500 | 4470 | 2500 | 5700 | 1060 | 497 |
11 | 137 | 63 | 81 | 2440 | 649 | 3490 | 4140 | 2850 | 2030 | 5340 | 1320 | 400 |
12 | 126 | 61 | 84 | 2090 | 621 | 2300 | 3900 | 2380 | 3320 | 3190 | 1740 | 334 |
13 | 130 | 60 | 87 | 1980 | 628 | 2240 | 3760 | 2420 | 4200 | 2300 | 1900 | 269 |
14 | 133 | 61 | 86 | 1920 | 649 | 2320 | 3770 | 2340 | 3570 | 2240 | 1980 | 217 |
15 | 133 | 60 | 85 | 1960 | 596 | 2350 | 4310 | 2120 | 4930 | 2200 | 1990 | 199 |
16 | 156 | 61 | 83 | 1960 | 587 | 2280 | 7570 | 2000 | 4750 | 2180 | 2000 | 181 |
17 | 199 | 62 | 113 | 1920 | 1030 | 2670 | 8460 | 1690 | 5500 | 2260 | 2000 | 170 |
18 | 122 | 62 | 563 | 1880 | 3510 | 5750 | 7970 | 1580 | 3960 | 2460 | 1920 | 160 |
19 | 87 | 62 | 809 | 1860 | 2920 | 6240 | 5220 | 1560 | 3660 | 2420 | 1930 | 152 |
20 | 70 | 62 | 874 | 1840 | 1980 | 7910 | 3600 | 1670 | 4150 | 2200 | 1760 | 144 |
21 | 64 | 63 | 897 | 1840 | 1900 | 13100 | 3030 | 1660 | 3610 | 2390 | 1900 | 135 |
22 | 58 | 64 | 944 | 1810 | 1840 | 15600 | 2690 | 3090 | 3490 | 2460 | 1930 | 128 |
23 | 46 | 64 | 971 | 1710 | 1750 | 11200 | 2530 | 4820 | 3730 | 3970 | 1920 | 122 |
24 | 47 | 65 | 996 | 1550 | 1690 | 8430 | 2350 | 2730 | 4070 | 3080 | 1910 | 116 |
25 | 45 | 63 | 1060 | 1430 | 1640 | 7180 | 2180 | 2360 | 3470 | 1730 | 1900 | 192 |
26 | 48 | 62 | 1080 | 1410 | 1620 | 6520 | 2060 | 2040 | 3060 | 1070 | 1880 | 132 |
27 | 49 | 61 | 1040 | 1410 | 1940 | 6200 | 1910 | 2060 | 2940 | 811 | 1790 | 117 |
28 | 51 | 65 | 1010 | 1330 | 2430 | 7300 | 1770 | 2170 | 2880 | 1270 | 1670 | 109 |
29 | 51 | 69 | 989 | 1270 | --- | 9300 | 1810 | 2160 | 2910 | 1520 | 1570 | 103 |
30 | 51 | 82 | 982 | 1210 | --- | 11000 | 2310 | 2120 | 3580 | 1820 | 1480 | 101 |
31 | 54 | --- | 974 | 1160 | --- | 9540 | --- | 2070 | --- | 2070 | 1470 | --- |
TOTAL | 3255 | 1918 | 14804 | 53064 | 37434 | 165270 | 139000 | 88940 | 94060 | 89921 | 56040 | 15033 |
MEAN | 105 | 63.9 | 478 | 1712 | 1337 | 5331 | 4633 | 2869 | 3135 | 2901 | 1808 | 501 |
MAX | 209 | 82 | 1080 | 4300 | 3510 | 15600 | 8460 | 5960 | 5500 | 6690 | 3330 | 1550 |
MIN | 45 | 51 | 80 | 973 | 587 | 1300 | 1770 | 1560 | 1740 | 811 | 1060 | 101 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 616 | 1020 | 2103 | 2433 | 2657 | 3153 | 2652 | 1994 | 1707 | 1277 | 918 | 582 |
MAX | 3349 | 5459 | 5783 | 7027 | 6884 | 7565 | 6462 | 8080 | 5486 | 3122 | 2599 | 3366 |
(WY) | 1970 | 1994 | 1986 | 1993 | 1982 | 1979 | 1979 | 1996 | 1974 | 1974 | 1974 | 1993 |
MIN | 34.3 | 39.1 | 20.6 | 19.0 | 347 | 517 | 286 | 165 | 61.9 | 48.7 | 50.5 | 30.2 |
(WY) | 1988 | 1977 | 1977 | 1977 | 1978 | 1981 | 1986 | 1987 | 1988 | 1988 | 1976 | 1976 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1970 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 407279 | 758739 | ||||
ANNUAL MEAN | 1116 | 2079 | 1755 | |||
HIGHEST ANNUAL MEAN | 3415 | 1974 | ||||
LOWEST ANNUAL MEAN | 583 | 1977 | ||||
HIGHEST DAILY MEAN | 18200 | Feb 28 | 15600 | Mar 22 | 23900 | Apr 30 1996 |
LOWEST DAILY MEAN | 45 | Oct 25 | 45 | Oct 25 | 17 | A |
ANNUAL SEVEN-DAY MINIMUM | 48 | Oct 23 | 48 | Oct 23 | 17 | Dec 23 1976 |
INSTANTANEOUS PEAK FLOW | 16600 | Mar 22 | 30000 B | Jun 16 1970 | ||
INSTANTANEOUS PEAK STAGE | 24.49 | Mar 22 | 27.41 | Apr 30 1996 | ||
INSTANTANEOUS LOW FLOW | 44 | C | ||||
10 PERCENT EXCEEDS | 3390 | 4950 | 4470 | |||
50 PERCENT EXCEEDS | 257 | 1710 | 1050 | |||
90 PERCENT EXCEEDS | 64 | 70 | 75 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |