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 | 232 | 1340 | 825 | e600 | 1890 | 886 | 685 | 1620 | 926 | 825 | 228 | 140 |
2 | 254 | 1340 | 805 | e660 | 2230 | 845 | 668 | 1470 | 1880 | 791 | 217 | 137 |
3 | 302 | 1350 | 793 | e620 | 2640 | 855 | 663 | 1360 | 2170 | 758 | 210 | 133 |
4 | 409 | 1220 | 769 | e580 | 2400 | 828 | 669 | 1280 | 1760 | 711 | 203 | 129 |
5 | 1380 | 1130 | 745 | e560 | 1950 | 821 | 646 | 1230 | 2000 | 657 | 196 | 126 |
6 | 1780 | 1070 | 785 | e700 | 1680 | 832 | 654 | 1170 | 1730 | 615 | 187 | 124 |
7 | 1170 | 1020 | 1780 | e660 | 1570 | 778 | 653 | 1220 | 2400 | 575 | 187 | 121 |
8 | 919 | 1010 | 1940 | e640 | 1470 | 771 | 630 | 1320 | 1750 | 547 | 201 | 119 |
9 | 772 | 1010 | 1520 | e600 | 1410 | 737 | 714 | 1170 | 1420 | 530 | 198 | 116 |
10 | 679 | 3850 | 1270 | e570 | 1340 | 795 | 778 | 1080 | 1240 | 562 | 189 | 113 |
11 | 605 | 4150 | 1160 | e550 | 1370 | 785 | 729 | 1030 | 1170 | 532 | 180 | 115 |
12 | 552 | 3060 | 1090 | e540 | 1560 | 758 | 698 | 1150 | 1090 | 489 | 194 | 116 |
13 | 511 | 2300 | 1040 | e520 | 1370 | 746 | 662 | 4370 | 3670 | 462 | 249 | 120 |
14 | 489 | 1920 | 989 | e510 | 1270 | 738 | 646 | 4500 | 5350 | 442 | 207 | 120 |
15 | 526 | 1650 | 944 | e500 | 1190 | 757 | 674 | 3440 | 4260 | 424 | 187 | 119 |
16 | 552 | 1460 | 919 | e490 | 1140 | 850 | 1970 | 2730 | 3210 | 401 | 174 | 116 |
17 | 2510 | 1330 | 892 | e480 | 1100 | 1280 | 3340 | 2540 | 2390 | 379 | 166 | 116 |
18 | 9670 | 1220 | 872 | e480 | 1050 | 1590 | 2810 | 2490 | 1890 | 374 | 164 | 115 |
19 | 8030 | 1150 | 844 | e470 | 1000 | 1450 | 2120 | 2080 | 1610 | 367 | 169 | 114 |
20 | 6090 | 1090 | 803 | e470 | 961 | 1180 | 1690 | 1770 | 1410 | 382 | 174 | 114 |
21 | 5110 | 1050 | 788 | e470 | 914 | 1070 | 1470 | 1600 | 1270 | 371 | 164 | 114 |
22 | 4340 | 1020 | e600 | e900 | 882 | 1000 | 1380 | 2290 | 1170 | 344 | 153 | 115 |
23 | 3600 | 990 | e650 | e2300 | 867 | 938 | 4720 | 1950 | 1090 | 323 | 160 | 118 |
24 | 2920 | 942 | e700 | e3400 | 852 | 894 | 5020 | 1580 | 1310 | 323 | 263 | 117 |
25 | 2340 | 926 | e800 | 3630 | 834 | 844 | 3790 | 1360 | 1710 | 311 | 231 | 115 |
26 | 1940 | 901 | e760 | 3030 | 810 | 807 | 3070 | 1220 | 1220 | 303 | 203 | 113 |
27 | 1710 | 865 | e720 | 3000 | 847 | 777 | 2500 | 1120 | 1040 | 288 | 182 | 142 |
28 | 1900 | 838 | e660 | 3710 | 894 | 768 | 2290 | 1050 | 949 | 281 | 170 | 618 |
29 | 1790 | 824 | e580 | 3010 | --- | 758 | 2150 | 999 | 869 | 270 | 158 | 750 |
30 | 1630 | 827 | e450 | 2320 | --- | 719 | 1830 | 947 | 806 | 250 | 147 | 525 |
31 | 1460 | --- | e520 | 1970 | --- | 690 | --- | 913 | --- | 235 | 143 | --- |
TOTAL | 66172 | 42853 | 28013 | 38940 | 37491 | 27547 | 50319 | 54049 | 54760 | 14122 | 5854 | 5150 |
MEAN | 2135 | 1428 | 904 | 1256 | 1339 | 889 | 1677 | 1744 | 1825 | 456 | 189 | 172 |
MAX | 9670 | 4150 | 1940 | 3710 | 2640 | 1590 | 5020 | 4500 | 5350 | 825 | 263 | 750 |
MIN | 232 | 824 | 450 | 470 | 810 | 690 | 630 | 913 | 806 | 235 | 143 | 113 |
CFSM | 2.13 | 1.42 | .90 | 1.25 | 1.33 | .89 | 1.67 | 1.74 | 1.82 | .45 | .19 | .17 |
IN. | 2.45 | 1.59 | 1.04 | 1.44 | 1.39 | 1.02 | 1.87 | 2.00 | 2.03 | .52 | .22 | .19 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1936 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 391 | 465 | 470 | 547 | 748 | 1043 | 1080 | 985 | 886 | 556 | 390 | 346 |
MAX | 2135 | 1790 | 1905 | 1976 | 2070 | 3244 | 3562 | 3500 | 3568 | 2946 | 1845 | 1777 |
(WY) | 1999 | 1978 | 1983 | 1946 | 1949 | 1979 | 1973 | 1974 | 1974 | 1990 | 1987 | 1970 |
MIN | 48.8 | 60.4 | 57.1 | 26.5 | 68.8 | 198 | 174 | 140 | 127 | 62.9 | 61.0 | 46.5 |
(WY) | 1954 | 1954 | 1959 | 1977 | 1940 | 1956 | 1956 | 1989 | 1977 | 1940 | 1988 | 1940 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1936 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 455338 | 425270 | ||||
ANNUAL MEAN | 1248 | 1165 | 660 | |||
HIGHEST ANNUAL MEAN | 1579 | 1993 | ||||
LOWEST ANNUAL MEAN | 159 | 1940 | ||||
HIGHEST DAILY MEAN | 9670 | Oct 18 | 9670 | Oct 18 | 10100 | Mar 19 1979 |
LOWEST DAILY MEAN | 166 | Sep 13 | 113 | Sep 10, 26 | 22 | Jan 18 1977 |
ANNUAL SEVEN-DAY MINIMUM | 176 | Sep 7 | 115 | Sep 16 | 24 | Jan 17 1977 |
INSTANTANEOUS PEAK FLOW | 10300 | Oct 18 | 12100 A | Jun 22 1974 | ||
INSTANTANEOUS PEAK STAGE | 18.77 | Oct 18 | 18.59 B | Jan 23 1969 | ||
INSTANTANEOUS LOW FLOW | 110 | Sep 26 | ||||
ANNUAL RUNOFF (CFSM) | 1.24 | 1.16 | .66 | |||
ANNUAL RUNOFF (INCHES) | 16.89 | 15.77 | 8.94 | |||
10 PERCENT EXCEEDS | 2460 | 2400 | 1480 | |||
50 PERCENT EXCEEDS | 1010 | 844 | 391 | |||
90 PERCENT EXCEEDS | 262 | 170 | 95 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |