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 | 281 | 801 | 2020 | 868 | 2070 | 4040 | 4530 | 2020 | 1560 | 2600 | 364 | 229 |
2 | 260 | 754 | 1800 | 957 | 2930 | 3250 | 4850 | 2440 | 1450 | 2490 | 336 | 198 |
3 | 252 | 703 | 1590 | 1270 | 3830 | 2790 | 3960 | 2460 | 1350 | 1890 | 315 | 180 |
4 | 250 | 662 | 1490 | 1820 | 3680 | 2500 | 3360 | 2200 | 1330 | 1660 | 455 | 169 |
5 | 248 | 634 | 1410 | 3830 | 3200 | 2260 | 2970 | 2030 | 1320 | 1530 | 879 | 159 |
6 | 242 | 679 | 1300 | 5360 | 2770 | 2040 | 2700 | 2200 | 1230 | 1500 | 1360 | 152 |
7 | 229 | 1080 | 1180 | 5520 | 2410 | 1900 | 2610 | 2300 | 1170 | 1950 | 689 | 142 |
8 | 217 | 1390 | 1100 | 6620 | 2160 | 2800 | 3330 | 5750 | 1170 | 2280 | 811 | 133 |
9 | 221 | 1360 | 1060 | 6940 | 2000 | 6990 | 5150 | 8000 | 1650 | 2030 | 1040 | 128 |
10 | 223 | 1210 | 1060 | 6080 | 1880 | 7770 | 6570 | 6380 | 3110 | 1670 | 703 | 123 |
11 | 220 | 1090 | 1070 | 4840 | 2990 | 5860 | 5890 | 3950 | 3120 | 1540 | 544 | 119 |
12 | 217 | 976 | 1040 | 4010 | 6520 | 4360 | 4550 | 3250 | 3070 | 1320 | 451 | 117 |
13 | 222 | 892 | 948 | 3400 | 7510 | 3690 | 3810 | 2870 | 4980 | 1180 | 371 | 116 |
14 | 225 | 843 | 871 | 2870 | 6060 | 3530 | 3660 | 2490 | 4850 | 1080 | 327 | 153 |
15 | 230 | 824 | 826 | 2580 | 4250 | 3400 | 4050 | 2200 | 7130 | 1000 | 298 | 210 |
16 | 230 | 841 | 854 | 2670 | 3470 | 3070 | 3970 | 2220 | 8370 | 929 | 279 | 333 |
17 | 216 | 809 | 861 | 2380 | 3150 | 5600 | 3820 | 2190 | 9170 | 856 | 262 | 325 |
18 | 201 | 743 | 853 | 2060 | 2990 | 10100 | 3420 | 1890 | 9600 | 792 | 279 | 257 |
19 | 200 | 724 | 848 | 1810 | 2780 | 12300 | 2990 | 1810 | 7500 | 744 | 570 | 197 |
20 | 198 | 718 | 836 | 1680 | 2570 | 13000 | 2740 | 2840 | 6200 | 707 | 797 | 169 |
21 | 200 | 702 | 834 | 1690 | 2370 | 11500 | 2590 | 2200 | 5790 | 661 | 491 | 157 |
22 | 196 | 677 | 837 | 1650 | 2210 | 9530 | 2500 | 2200 | 5330 | 609 | 358 | 149 |
23 | 200 | 640 | 868 | 1560 | 2080 | 5320 | 2400 | 2180 | 4320 | 596 | 298 | 137 |
24 | 207 | 603 | 917 | 1500 | 1990 | 4200 | 2250 | 5000 | 3440 | 996 | 268 | 151 |
25 | 273 | 579 | 967 | 1450 | 1880 | 3670 | 2110 | 4240 | 2880 | 904 | 242 | 193 |
26 | 444 | 567 | 1050 | 1380 | 1810 | 3360 | 2040 | 3410 | 2520 | 652 | 225 | 207 |
27 | 478 | 587 | 1050 | 1340 | 3190 | 3110 | 1960 | 2600 | 2230 | 564 | 209 | 192 |
28 | 571 | 628 | 983 | 1320 | 5080 | 2870 | 1780 | 2170 | 2010 | 516 | 208 | 160 |
29 | 751 | 1170 | 1050 | 1400 | --- | 2720 | 1800 | 1970 | 1990 | 480 | 207 | 152 |
30 | 800 | 2040 | 1070 | 1680 | --- | 2560 | 1860 | 1890 | 2000 | 443 | 206 | 149 |
31 | 801 | --- | 990 | 1880 | --- | 2750 | --- | 1700 | --- | 398 | 223 | --- |
TOTAL | 9503 | 25926 | 33633 | 84415 | 89830 | 152840 | 100220 | 91050 | 111840 | 36567 | 14065 | 5256 |
MEAN | 307 | 864 | 1085 | 2723 | 3208 | 4930 | 3341 | 2937 | 3728 | 1180 | 454 | 175 |
MAX | 801 | 2040 | 2020 | 6940 | 7510 | 13000 | 6570 | 8000 | 9600 | 2600 | 1360 | 333 |
MIN | 196 | 567 | 826 | 868 | 1810 | 1900 | 1780 | 1700 | 1170 | 398 | 206 | 116 |
CFSM | .19 | .53 | .66 | 1.66 | 1.96 | 3.01 | 2.04 | 1.80 | 2.28 | .72 | .28 | .11 |
IN. | .22 | .59 | .76 | 1.92 | 2.04 | 3.48 | 2.28 | 2.07 | 2.54 | .83 | .32 | .12 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 541 | 611 | 668 | 1018 | 1411 | 1675 | 1862 | 1697 | 1574 | 1052 | 533 | 624 |
MAX | 5356 | 4386 | 5745 | 5500 | 4387 | 6524 | 6752 | 8015 | 7908 | 7839 | 4767 | 8440 |
(WY) | 1987 | 1986 | 1983 | 1916 | 1949 | 1985 | 1983 | 1995 | 1974 | 1993 | 1924 | 1926 |
MIN | 26.5 | 24.9 | 26.8 | 17.7 | 44.2 | 188 | 89.7 | 29.1 | 88.0 | 30.1 | 6.46 | 17.9 |
(WY) | 1957 | 1915 | 1915 | 1940 | 1989 | 1956 | 1956 | 1934 | 1934 | 1936 | 1914 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1914 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 435881 | 755145 | ||||
ANNUAL MEAN | 1194 | 2069 | 1103 | |||
HIGHEST ANNUAL MEAN | 3578 | 1993 | ||||
LOWEST ANNUAL MEAN | 168 | 1989 | ||||
HIGHEST DAILY MEAN | 20200 | Feb 23 | 13000 | Mar 20 | 32800 | Aug 23 1924 |
LOWEST DAILY MEAN | 38 A | Jan 19 | 116 | Sep 13 | 3.8 | Jul 31 1914 |
ANNUAL SEVEN-DAY MINIMUM | 42 | Jan 15 | 125 | Sep 7 | 4.2 | Aug 23 1914 |
INSTANTANEOUS PEAK FLOW | 13400 | Mar 19 | 37300 B | Aug 22 1924 | ||
INSTANTANEOUS PEAK STAGE | 23.54 | Mar 19 | 33.10 C | Jul 26 1993 | ||
INSTANTANEOUS LOW FLOW | 115 | Sep 12,13 | 3.8 D | E | ||
ANNUAL RUNOFF (CFSM) | .73 | 1.26 | .67 | |||
ANNUAL RUNOFF (INCHES) | 9.91 | 17.17 | 9.16 | |||
10 PERCENT EXCEEDS | 2030 | 4850 | 2540 | |||
50 PERCENT EXCEEDS | 724 | 1450 | 480 | |||
90 PERCENT EXCEEDS | 171 | 210 | 61 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |