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 | 195 | 34 | 35 | 970 | 965 | 1400 | 4190 | 941 | 1550 | 2630 | 1590 | 1540 |
2 | 245 | 34 | 35 | 970 | 964 | 1330 | 4080 | 945 | 1630 | 2620 | 1620 | 1500 |
3 | 154 | 34 | 36 | 969 | 890 | 1110 | 3940 | 899 | 1730 | 2540 | 1520 | 1290 |
4 | 104 | 34 | 36 | 968 | 839 | 962 | 3860 | 969 | 1460 | 2490 | 1500 | 1220 |
5 | 104 | 34 | 36 | 970 | 764 | 1050 | 3680 | 1200 | 1430 | 2480 | 875 | 1110 |
6 | 104 | 34 | 35 | 1100 | 638 | 1200 | 3560 | 1120 | 1660 | 2560 | 713 | 885 |
7 | 104 | 34 | 35 | 1200 | 591 | 1200 | 3460 | 1210 | 1700 | 2100 | 713 | 611 |
8 | 104 | 34 | 35 | 1480 | 592 | 1210 | 3370 | 1540 | 1410 | 1990 | 713 | 356 |
9 | 104 | 34 | 35 | 1760 | 502 | 1280 | 3260 | 1540 | 1110 | 2340 | 952 | 237 |
10 | 104 | 35 | 35 | 1850 | 386 | 1410 | 3160 | 1550 | 1150 | 2070 | 1450 | 151 |
11 | 104 | 35 | 35 | 1840 | 387 | 1610 | 3150 | 1550 | 1160 | 1730 | 1830 | 54 |
12 | 105 | 35 | 35 | 1850 | 444 | 1840 | 3130 | 1550 | 1260 | 1840 | 1950 | 26 |
13 | 106 | 36 | 35 | 1850 | 429 | 1900 | 3010 | 1560 | 1540 | 1960 | 1990 | 25 |
14 | 197 | 36 | 35 | 1840 | 388 | 1900 | 2780 | 1560 | 1060 | 1950 | 1990 | 25 |
15 | 120 | 36 | 219 | 1840 | 387 | 1900 | 2660 | 1340 | 1370 | 2030 | 1980 | 24 |
16 | 31 | 36 | 644 | 1840 | 388 | 1890 | 2660 | 1140 | 1870 | 2270 | 1910 | 24 |
17 | 31 | 36 | 887 | 1840 | 478 | 2030 | 2520 | 1140 | 1870 | 2440 | 1860 | 24 |
18 | 32 | 36 | 987 | 1830 | 798 | 2250 | 2270 | 1260 | 1820 | 2130 | 1680 | 24 |
19 | 32 | 36 | 988 | 1830 | 1190 | 2370 | 2030 | 1350 | 1440 | 2210 | 1830 | 25 |
20 | 32 | 38 | 987 | 1820 | 1350 | 2470 | 1840 | 1300 | 2190 | 2430 | 1960 | 24 |
21 | 32 | 36 | 981 | 1730 | 1400 | 3430 | 1800 | 1230 | 2200 | 2310 | 1950 | 24 |
22 | 32 | 36 | 983 | 1540 | 1400 | 5090 | 1720 | 912 | 1950 | 1980 | 1940 | 24 |
23 | 32 | 36 | 979 | 1370 | 1400 | 4600 | 1610 | 659 | 2260 | 1480 | 1930 | 24 |
24 | 32 | 35 | 978 | 1310 | 1400 | 5100 | 1510 | 970 | 2440 | 881 | 1930 | 24 |
25 | 32 | 36 | 979 | 1310 | 1400 | 4910 | 1400 | 1330 | 2550 | 440 | 1890 | 24 |
26 | 32 | 35 | 976 | 1200 | 1400 | 4630 | 1310 | 1620 | 2600 | 788 | 1730 | 25 |
27 | 32 | 36 | 974 | 1020 | 1400 | 4360 | 1190 | 1790 | 2600 | 1370 | 1610 | 25 |
28 | 32 | 36 | 972 | 968 | 1400 | 4230 | 1090 | 1790 | 2510 | 1490 | 1490 | 24 |
29 | 32 | 36 | 972 | 969 | --- | 4270 | 981 | 1800 | 2100 | 1530 | 1450 | 24 |
30 | 33 | 36 | 971 | 966 | --- | 4230 | 940 | 1720 | 2330 | 1380 | 1520 | 24 |
31 | 33 | --- | 971 | 965 | --- | 4210 | --- | 1600 | --- | 1430 | 1550 | --- |
TOTAL | 2466 | 1059 | 15941 | 43965 | 24570 | 81372 | 76161 | 41085 | 53950 | 59889 | 49616 | 9417 |
MEAN | 79.5 | 35.3 | 514 | 1418 | 878 | 2625 | 2539 | 1325 | 1798 | 1932 | 1601 | 314 |
MAX | 245 | 38 | 988 | 1850 | 1400 | 5100 | 4190 | 1800 | 2600 | 2630 | 1990 | 1540 |
MIN | 31 | 34 | 35 | 965 | 386 | 962 | 940 | 659 | 1060 | 440 | 713 | 24 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 395 | 464 | 1216 | 1388 | 1519 | 1632 | 1131 | 816 | 961 | 886 | 662 | 318 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1970 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 215715 | 459491 | ||||
ANNUAL MEAN | 591 | 1259 | 947 | |||
HIGHEST ANNUAL MEAN | 1941 | 1974 | ||||
LOWEST ANNUAL MEAN | 275 | 1971 | ||||
HIGHEST DAILY MEAN | 4390 | Mar 11 | 5100 | Mar 24 | 5100 | Mar 24 1998 |
LOWEST DAILY MEAN | 23 | Jun 4 | 24 | Several days | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 26 | Jun 3 | 24 | Sep 15 | 2.0 | Dec 22 1976 |
INSTANTANEOUS PEAK FLOW | 5580 | Mar 22 | 5580 B | Mar 22 1998 | ||
INSTANTANEOUS PEAK STAGE | 12.99 | Mar 22 | 13.16 C | Mar 20 1982 | ||
INSTANTANEOUS LOW FLOW | 24 | Several days | ||||
10 PERCENT EXCEEDS | 1990 | 2500 | 2280 | |||
50 PERCENT EXCEEDS | 51 | 1210 | 584 | |||
90 PERCENT EXCEEDS | 29 | 34 | 14 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |