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 | 116 | 38 | 68 | 989 | 1060 | 1560 | 4950 | 1360 | 1550 | 2640 | 1430 | 1620 |
2 | 189 | 39 | 77 | 987 | 1050 | 1520 | 4750 | 1240 | 1530 | 2630 | 1520 | 1610 |
3 | 223 | 38 | 69 | 990 | 1040 | 1380 | 4670 | 2520 | 1640 | 2580 | 1490 | 1490 |
4 | 153 | 38 | 60 | 989 | 938 | 1120 | 5790 | 3900 | 1640 | 2480 | 1440 | 1330 |
5 | 122 | 39 | 55 | 995 | 914 | 1090 | 5320 | 2170 | 1370 | 2460 | 2450 | 1290 |
6 | 119 | 44 | 52 | 1020 | 813 | 1230 | 4590 | 1700 | 1540 | 2450 | 1300 | 1120 |
7 | 120 | 44 | 51 | 1240 | 703 | 1290 | 4080 | 1730 | 1640 | 2900 | 1180 | 908 |
8 | 119 | 42 | 49 | 1770 | 681 | 1540 | 3890 | 2580 | 1640 | 2700 | 998 | 625 |
9 | 128 | 40 | 49 | 2440 | 669 | 2370 | 3700 | 2080 | 1350 | 2290 | 927 | 443 |
10 | 124 | 39 | 51 | 2220 | 534 | 2270 | 3520 | 1860 | 1470 | 2340 | 1240 | 334 |
11 | 119 | 38 | 53 | 1980 | 485 | 1770 | 3430 | 1750 | 1340 | 1950 | 1750 | 251 |
12 | 120 | 37 | 53 | 1930 | 492 | 1900 | 3380 | 1710 | 2150 | 1760 | 1920 | 160 |
13 | 124 | 37 | 59 | 1900 | 558 | 2010 | 3360 | 1680 | 2010 | 1900 | 2010 | 111 |
14 | 126 | 40 | 57 | 1890 | 488 | 2050 | 3250 | 1650 | 2280 | 1920 | 2020 | 98 |
15 | 196 | 40 | 54 | 1900 | 466 | 2050 | 3500 | 1620 | 1380 | 1910 | 2030 | 91 |
16 | 135 | 38 | 258 | 1890 | 474 | 2020 | 4800 | 1330 | 2280 | 2020 | 2020 | 84 |
17 | 57 | 38 | 691 | 1880 | 893 | 2530 | 3310 | 1250 | 2580 | 2270 | 1930 | 80 |
18 | 45 | 38 | 941 | 1860 | 1620 | 3730 | 2750 | 1250 | 2180 | 2290 | 1900 | 76 |
19 | 42 | 38 | 966 | 1850 | 1410 | 3230 | 2450 | 1380 | 2680 | 1970 | 1740 | 74 |
20 | 39 | 38 | 963 | 1840 | 1550 | 6160 | 2200 | 1400 | 2570 | 2230 | 1960 | 69 |
21 | 38 | 41 | 968 | 1830 | 1600 | 6400 | 2060 | 1320 | 2420 | 2300 | 1980 | 67 |
22 | 36 | 43 | 983 | 1720 | 1560 | 5550 | 2000 | 1250 | 2730 | 2110 | 1980 | 65 |
23 | 35 | 41 | 982 | 1540 | 1530 | 5890 | 1870 | 1020 | 3310 | 1860 | 1980 | 59 |
24 | 36 | 39 | 1000 | 1410 | 1510 | 5320 | 1730 | 1370 | 2880 | 1360 | 1960 | 57 |
25 | 36 | 39 | 1020 | 1390 | 1490 | 5460 | 1620 | 1420 | 2680 | 839 | 1950 | 60 |
26 | 38 | 48 | 1040 | 1370 | 1490 | 5390 | 1520 | 1540 | 2680 | 585 | 1880 | 58 |
27 | 41 | 41 | 1010 | 1210 | 1670 | 5090 | 1410 | 1770 | 2650 | 1110 | 1750 | 53 |
28 | 38 | 38 | 999 | 1130 | 1640 | 7540 | 1300 | 1800 | 2620 | 1350 | 1640 | 51 |
29 | 37 | 40 | 997 | 1120 | --- | 7270 | 1290 | 1780 | 2400 | 1440 | 1530 | 51 |
30 | 37 | 55 | 996 | 1100 | --- | 5860 | 1680 | 1760 | 2610 | 1460 | 1530 | 51 |
31 | 36 | --- | 994 | 1070 | --- | 5100 | --- | 1660 | --- | 1310 | 1600 | --- |
TOTAL | 2824 | 1208 | 15665 | 47450 | 29328 | 107690 | 94170 | 52850 | 63800 | 61414 | 53035 | 12436 |
MEAN | 91.1 | 40.3 | 505 | 1531 | 1047 | 3474 | 3139 | 1705 | 2127 | 1981 | 1711 | 415 |
MAX | 223 | 55 | 1040 | 2440 | 1670 | 7540 | 5790 | 3900 | 3310 | 2900 | 2450 | 1620 |
MIN | 35 | 37 | 49 | 987 | 466 | 1090 | 1290 | 1020 | 1340 | 585 | 927 | 51 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 396 | 616 | 1523 | 1739 | 1912 | 2143 | 1550 | 1111 | 1155 | 1018 | 769 | 412 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1970 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 267594 | 541870 | ||||
ANNUAL MEAN | 733 | 1485 | 1198 | |||
HIGHEST ANNUAL MEAN | 2409 | 1974 | ||||
LOWEST ANNUAL MEAN | 353 | 1977 | ||||
HIGHEST DAILY MEAN | 8910 | Feb 27 | 7540 | Mar 28 | 17300 | Apr 12 1979 |
LOWEST DAILY MEAN | 31 | Sep 16 | 35 | Oct 23 | 4.6 | Oct 6 1984 |
ANNUAL SEVEN-DAY MINIMUM | 36 | Sep 3 | 37 | Oct 20 | 6.0 | Nov 30 1976 |
INSTANTANEOUS PEAK FLOW | 9730 | Mar 28 | 19700 A | Apr 12 1979 | ||
INSTANTANEOUS PEAK STAGE | 17.55 | Mar 28 | 19.12 B | Feb 23 1985 | ||
INSTANTANEOUS LOW FLOW | 35 | Oct 22,23,24 | ||||
10 PERCENT EXCEEDS | 2660 | 2740 | 2950 | |||
50 PERCENT EXCEEDS | 119 | 1400 | 790 | |||
90 PERCENT EXCEEDS | 38 | 42 | 31 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |