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 | 48 | 37 | 43 | 1220 | 4900 | 1910 | 382 | 1780 | 1010 | 1160 | 1140 | 61 |
2 | 47 | 41 | 42 | 1210 | 4540 | 1720 | 324 | 1650 | 9170 | 1170 | 947 | 53 |
3 | 45 | 72 | 40 | 1180 | 4190 | 1600 | 252 | 1470 | 3270 | 1360 | 822 | 31 |
4 | 46 | 82 | 40 | 1230 | 3900 | 1540 | 232 | 1080 | 1530 | 1400 | 682 | 30 |
5 | 46 | 66 | 41 | 1160 | 3570 | 1450 | 205 | 959 | 1720 | 1480 | 576 | 30 |
6 | 51 | 47 | 41 | 1000 | 3180 | 1280 | 386 | 2160 | 1420 | 1380 | 425 | 28 |
7 | 52 | 42 | 42 | 584 | 8340 | 1210 | 302 | 1430 | 1270 | 1280 | 308 | 28 |
8 | 47 | 41 | 42 | 399 | 7760 | 1190 | 277 | 1220 | 1300 | 1230 | 193 | 28 |
9 | 44 | 41 | 40 | e250 | 5200 | 1220 | 406 | 1150 | 1280 | 1460 | 118 | 27 |
10 | 42 | 112 | 39 | e130 | 3590 | 1280 | 306 | 1050 | 1290 | 2130 | 77 | 26 |
11 | 41 | 165 | 38 | e90 | 3280 | 1240 | 283 | 928 | 2400 | 925 | 67 | 26 |
12 | 41 | 94 | 38 | e80 | 3650 | 1200 | 265 | 945 | 2880 | 1200 | 63 | 27 |
13 | 40 | 65 | 38 | e75 | 3290 | 1100 | 257 | 1980 | 1690 | 1440 | 66 | 27 |
14 | 39 | 55 | 34 | e70 | 3100 | 1080 | 253 | 1300 | 2060 | 1450 | 59 | 26 |
15 | 40 | 47 | 35 | e120 | 3040 | 1130 | 571 | 1260 | 1620 | 1340 | 54 | 25 |
16 | 39 | 43 | 280 | e230 | 3010 | 1130 | 1070 | 1130 | 1710 | 1230 | 51 | 25 |
17 | 40 | 41 | 1010 | e240 | 2970 | 1120 | 1430 | 946 | 1670 | 1110 | 49 | 24 |
18 | 44 | 39 | 1150 | e800 | 2920 | 1100 | 1740 | 662 | 1620 | 1000 | 48 | 24 |
19 | 42 | 39 | 1170 | 990 | 2890 | 1090 | 1720 | 785 | 1330 | 978 | 136 | 24 |
20 | 39 | 39 | 1160 | 1270 | 2860 | 1000 | 1630 | 763 | 1150 | 964 | 285 | 24 |
21 | 38 | 38 | 1190 | 1550 | 2830 | 981 | 1480 | 676 | 1140 | 863 | 262 | 24 |
22 | 37 | 37 | 1560 | 4900 | 2800 | 976 | 1260 | 773 | 1220 | 844 | 148 | 23 |
23 | 36 | 38 | 1650 | 5410 | 2790 | 976 | 1130 | 713 | 1220 | 1200 | 107 | 27 |
24 | 36 | 38 | 1660 | 4630 | 2710 | 962 | 1250 | 812 | 1340 | 1570 | 80 | 29 |
25 | 36 | 40 | 1660 | 3380 | 2510 | 863 | 1170 | 1080 | 1330 | 1610 | 70 | 25 |
26 | 36 | 40 | 1650 | 3600 | 2380 | 755 | 1070 | 1190 | 1250 | 1600 | 67 | 23 |
27 | 36 | 41 | 1660 | 3950 | 2160 | 644 | 1050 | 1100 | 1130 | 1510 | 65 | 23 |
28 | 36 | 40 | 1650 | 3990 | 2100 | 624 | 1770 | 894 | 1010 | 1500 | 64 | 24 |
29 | 37 | 40 | 1580 | 3930 | --- | 616 | 1750 | 865 | 884 | 1480 | 63 | 34 |
30 | 39 | 42 | 1410 | 3880 | --- | 516 | 1820 | 857 | 1110 | 1390 | 61 | 32 |
31 | 39 | --- | 1370 | 4390 | --- | 403 | --- | 815 | --- | 1260 | 61 | --- |
TOTAL | 1279 | 1602 | 22403 | 55938 | 100460 | 33906 | 26041 | 34423 | 53024 | 40514 | 7214 | 858 |
MEAN | 41.3 | 53.4 | 723 | 1804 | 3588 | 1094 | 868 | 1110 | 1767 | 1307 | 233 | 28.6 |
MAX | 52 | 165 | 1660 | 5410 | 8340 | 1910 | 1820 | 2160 | 9170 | 2130 | 1140 | 61 |
MIN | 36 | 37 | 34 | 70 | 2100 | 403 | 205 | 662 | 884 | 844 | 48 | 23 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 384 | 597 | 1495 | 1741 | 1970 | 2107 | 1526 | 1111 | 1176 | 1027 | 751 | 399 |
MAX | 1769 | 2572 | 4259 | 4425 | 4787 | 5897 | 5221 | 4257 | 3258 | 2954 | 2360 | 1868 |
(WY) | 1975 | 1994 | 1986 | 1993 | 1974 | 1979 | 1979 | 1996 | 1974 | 1974 | 1974 | 1974 |
MIN | 13.2 | 12.1 | 7.27 | 8.02 | 69.4 | 332 | 140 | 36.3 | 25.6 | 24.5 | 19.6 | 13.5 |
(WY) | 1988 | 1977 | 1977 | 1977 | 1977 | 1992 | 1986 | 1987 | 1988 | 1976 | 1976 | 1976 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1970 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 547457 | 377662 | ||||
ANNUAL MEAN | 1500 | 1035 | 1192 | |||
HIGHEST ANNUAL MEAN | 2409 | 1974 | ||||
LOWEST ANNUAL MEAN | 353 | 1977 | ||||
HIGHEST DAILY MEAN | 7540 | Mar 28 | 9170 | Jun 2 | 17300 | Apr 12 1979 |
LOWEST DAILY MEAN | 34 | Dec 14 | 23 | Sep 22,26,27 | 4.6 | Oct 6 1984 |
ANNUAL SEVEN-DAY MINIMUM | 36 | Oct 22 | 24 | Sep 16 | 6.0 | Nov 30 1976 |
INSTANTANEOUS PEAK FLOW | 14500 | Jun 2 | 19700 A | Apr 12 1979 | ||
INSTANTANEOUS PEAK STAGE | 18.61 | Jun 2 | 19.12 B | Feb 23 1985 | ||
INSTANTANEOUS LOW FLOW | 23 | C | ||||
10 PERCENT EXCEEDS | 2740 | 2740 | 2930 | |||
50 PERCENT EXCEEDS | 1460 | 884 | 792 | |||
90 PERCENT EXCEEDS | 40 | 37 | 32 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |