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 | 885 | 62 | 1300 | 1510 | 9430 | 7080 | 619 | 2220 | 1210 | 1860 | 1110 | 145 |
2 | 886 | 67 | 2520 | 1520 | 9440 | 6820 | 440 | 2000 | 1650 | 1130 | 1110 | 143 |
3 | 886 | 265 | 3040 | 1400 | 9540 | 6540 | 464 | 1830 | 2390 | 1440 | 1110 | 142 |
4 | 885 | 424 | 3040 | 1300 | 9460 | 6240 | 741 | 1640 | 2560 | 1660 | 961 | 136 |
5 | 700 | 424 | 3020 | 1300 | 9340 | 5850 | 1570 | 1580 | 2040 | 1770 | 762 | 139 |
6 | 580 | 423 | 3000 | 1290 | 8680 | 5500 | 2270 | 1780 | 2220 | 2030 | 524 | 139 |
7 | 574 | 291 | 2830 | 1220 | 8970 | 5250 | 2720 | 2580 | 2450 | 2210 | 236 | 139 |
8 | 505 | 218 | 2360 | 1050 | 8370 | 5000 | 3310 | 2920 | 2600 | 2200 | 108 | 141 |
9 | 283 | 130 | 1850 | 814 | 6350 | 4790 | 3700 | 2930 | 2510 | 2110 | 233 | 142 |
10 | 155 | 77 | 1280 | 566 | 5770 | 4560 | 3910 | 2460 | 2670 | 1240 | 192 | 141 |
11 | 69 | 65 | 841 | 471 | 5940 | 4310 | 3500 | 2000 | 2660 | 1580 | 100 | 139 |
12 | 69 | 60 | 500 | 469 | 7330 | 4210 | 2480 | 1650 | 2650 | 2750 | 144 | 144 |
13 | 68 | 56 | 316 | 460 | 9040 | 4230 | 1470 | 1680 | 2600 | 3310 | 143 | 143 |
14 | 68 | 57 | 242 | 813 | 9530 | 4240 | 1060 | 2420 | 2490 | 3200 | 146 | 148 |
15 | 68 | 58 | 192 | 1290 | 9560 | 3980 | 893 | 2720 | 3100 | 2910 | 149 | 168 |
16 | 68 | 59 | 72 | 1290 | 9460 | 3670 | 986 | 2350 | 3330 | 2560 | 146 | 173 |
17 | 68 | 59 | 72 | 1390 | 9380 | 3350 | 2000 | 2040 | 3460 | 2120 | 143 | 172 |
18 | 68 | 60 | 72 | 2150 | 9270 | 3100 | 2860 | 1850 | 3450 | 2150 | 140 | 171 |
19 | 66 | 60 | 417 | 3690 | 9280 | 2810 | 2410 | 1620 | 3430 | 2060 | 139 | 171 |
20 | 67 | 228 | 1010 | 5010 | 9210 | 2500 | 2130 | 1340 | 3420 | 1820 | 145 | 144 |
21 | 68 | 504 | 1190 | 5890 | 9200 | 2040 | 2110 | 1060 | 3320 | 1390 | 147 | 66 |
22 | 68 | 505 | 1290 | 7450 | 9280 | 1670 | 2110 | 890 | 3100 | 1000 | 146 | 122 |
23 | 69 | 497 | 1410 | 9050 | 9010 | 1660 | 2120 | 892 | 2850 | 769 | 134 | 89 |
24 | 64 | 496 | 1500 | 9470 | 8390 | 1920 | 2120 | 996 | 2620 | 799 | 141 | 72 |
25 | 64 | 498 | 1500 | 9520 | 7990 | 1920 | 2110 | 1060 | 1920 | 868 | 150 | 71 |
26 | 63 | 500 | 1500 | 9570 | 7880 | 1890 | 2110 | 1220 | 1900 | 1100 | 144 | 70 |
27 | 61 | 500 | 1490 | 9520 | 7650 | 1760 | 2010 | 1410 | 1950 | 1330 | 143 | 71 |
28 | 61 | 500 | 1490 | 9450 | 7340 | 1500 | 1770 | 1170 | 1870 | 1430 | 148 | 73 |
29 | 63 | 611 | 1500 | 9360 | --- | 1210 | 1940 | 1050 | 1950 | 1490 | 149 | 74 |
30 | 62 | 688 | 1510 | 9270 | --- | 1090 | 2280 | 1050 | 2060 | 1260 | 154 | 73 |
31 | 61 | --- | 1500 | e9300 | --- | 939 | --- | 1060 | --- | 1110 | 151 | --- |
TOTAL | 7722 | 8442 | 43854 | 126853 | 240090 | 111629 | 60213 | 53468 | 76430 | 54656 | 9348 | 3761 |
MEAN | 249 | 281 | 1415 | 4092 | 8575 | 3601 | 2007 | 1725 | 2548 | 1763 | 302 | 125 |
MAX | 886 | 688 | 3040 | 9570 | 9560 | 7080 | 3910 | 2930 | 3460 | 3310 | 1110 | 173 |
MIN | 61 | 56 | 72 | 460 | 5770 | 939 | 440 | 890 | 1210 | 769 | 100 | 66 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 599 | 926 | 2934 | 3384 | 4154 | 4007 | 3333 | 2476 | 2028 | 1855 | 1194 | 690 |
MAX | 3415 | 6233 | 9762 | 7777 | 9484 | 10170 | 9700 | 9066 | 5328 | 4888 | 4091 | 3731 |
(WY) | 1994 | 1994 | 1994 | 1983 | 1974 | 1979 | 1979 | 1996 | 1990 | 1973 | 1974 | 1974 |
MIN | 40.3 | 43.1 | 47.8 | 47.5 | 50.3 | 557 | 137 | 53.4 | 50.0 | 57.9 | 51.8 | 37.8 |
(WY) | 1986 | 1988 | 1977 | 1977 | 1977 | 1992 | 1986 | 1997 | 1988 | 1976 | 1976 | 1986 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1968 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1033992 | 796466 | ||||
ANNUAL MEAN | 2833 | 2182 | 2291 | |||
HIGHEST ANNUAL MEAN | 4392 | 1974 | ||||
LOWEST ANNUAL MEAN | 709 | 1977 | ||||
HIGHEST DAILY MEAN | 11800 | Apr 9,10 | 9570 | Jan 26 | 12100 | A |
LOWEST DAILY MEAN | 56 | Nov 13 | 56 | Nov 13 | 7.9 | May 14 1988 |
ANNUAL SEVEN-DAY MINIMUM | 58 | Nov 12 | 58 | Nov 12 | 29 | May 13 1988 |
INSTANTANEOUS PEAK FLOW | 9640 | Feb 3 | 12300 | May 10 1996 | ||
INSTANTANEOUS PEAK STAGE | 22.87 | Feb 3 | 25.04 | May 8 1970 | ||
INSTANTANEOUS LOW FLOW | 16 | Sep 21 | ||||
10 PERCENT EXCEEDS | 5540 | 6920 | 5720 | |||
50 PERCENT EXCEEDS | 2980 | 1390 | 1380 | |||
90 PERCENT EXCEEDS | 71 | 72 | 52 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |