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 | 140 | 837 | 804 | e580 | 3450 | 1070 | 793 | 3760 | 1370 | 3310 | 337 | 148 |
2 | 148 | 838 | 780 | e700 | 3590 | 1010 | 794 | 2930 | 2110 | 3400 | 292 | 140 |
3 | 159 | 994 | 730 | e760 | 4010 | 954 | 825 | 2540 | 3010 | 1810 | 263 | 131 |
4 | 162 | 1070 | 718 | e720 | 3810 | 917 | 884 | 2290 | 2100 | 1330 | 244 | 126 |
5 | 257 | 1100 | 713 | e680 | 3140 | 938 | 952 | 2170 | 2440 | 1120 | 227 | 121 |
6 | 572 | 992 | 909 | e800 | 2620 | 959 | 821 | 2060 | 2510 | 991 | 212 | 119 |
7 | 894 | 913 | 1810 | e820 | 2390 | 937 | 822 | 1860 | 1950 | 890 | 214 | 110 |
8 | 661 | 873 | 3370 | e760 | 2220 | 868 | 827 | 1720 | 1630 | 806 | 257 | 103 |
9 | 471 | 862 | 2930 | e700 | 2050 | 842 | 1170 | 1570 | 2260 | 743 | 283 | 98 |
10 | 374 | 1390 | 2150 | e660 | 1910 | 908 | 2080 | 1450 | 4590 | 699 | 232 | 93 |
11 | 318 | 3830 | 1750 | e620 | 1940 | 997 | 1710 | 1370 | 4600 | 648 | 200 | 88 |
12 | 288 | 4380 | 1550 | e580 | 2530 | 988 | 1350 | 1390 | 2540 | 594 | 316 | 89 |
13 | 261 | 2960 | 1440 | e560 | 2690 | 932 | 1160 | 3870 | 2310 | 553 | 517 | 90 |
14 | 238 | 2230 | 1350 | e550 | 2190 | 939 | 1050 | 8120 | 3340 | 521 | 459 | 89 |
15 | 226 | 1920 | 1250 | e540 | 1930 | 980 | 1230 | 9190 | 4440 | 492 | 366 | 86 |
16 | 219 | 1730 | 1170 | e535 | 1820 | 1160 | 4670 | 10400 | 2950 | 470 | 281 | 84 |
17 | 300 | 1560 | 1130 | e525 | 1710 | 1500 | 7440 | 9800 | 2020 | 442 | 205 | 84 |
18 | 1270 | 1430 | 1090 | e515 | 1560 | 1770 | 6820 | 8300 | 1740 | 417 | 172 | 82 |
19 | 4260 | 1310 | 1040 | e510 | 1450 | 1790 | 4810 | 6910 | 1550 | 593 | 159 | 83 |
20 | 4770 | 1220 | 997 | e500 | 1360 | 1510 | 3440 | 4070 | 1430 | 3080 | 153 | 86 |
21 | 3150 | 1140 | 920 | e600 | 1280 | 1330 | 2880 | 3110 | 1330 | 1380 | 151 | 94 |
22 | 1780 | 1080 | 811 | e2000 | 1190 | 1240 | 2580 | 2960 | 1240 | 956 | 146 | 84 |
23 | 1370 | 1010 | e660 | e8000 | 1160 | 1140 | 2670 | 2930 | 1200 | 705 | 145 | 81 |
24 | 1160 | 982 | e760 | e10000 | 1160 | 1060 | 3850 | 2570 | 1760 | 529 | 426 | 79 |
25 | 1030 | 933 | e850 | 10500 | 1140 | 1000 | 3430 | 2240 | 1560 | 678 | 900 | 77 |
26 | 938 | 887 | e900 | 10400 | 1100 | 940 | 2680 | 1980 | 1340 | 437 | 481 | 75 |
27 | 880 | 869 | e910 | 10600 | 1100 | 891 | 2420 | 1790 | 1150 | 447 | 346 | 73 |
28 | 988 | 829 | e870 | 7620 | 1090 | 872 | 2890 | 1660 | 2470 | 482 | 256 | 573 |
29 | 1010 | 800 | e700 | 7110 | --- | 871 | 4940 | 1560 | 1800 | 855 | 210 | 2770 |
30 | 1050 | 801 | e600 | 5220 | --- | 849 | 5360 | 1470 | 1250 | 586 | 178 | 1300 |
31 | 923 | --- | e480 | 3750 | --- | 806 | --- | 1400 | --- | 409 | 160 | --- |
TOTAL | 30267 | 41770 | 36142 | 88415 | 57590 | 32968 | 77348 | 109440 | 65990 | 30373 | 8788 | 7256 |
MEAN | 976 | 1392 | 1166 | 2852 | 2057 | 1063 | 2578 | 3530 | 2200 | 980 | 283 | 242 |
MAX | 4770 | 4380 | 3370 | 10600 | 4010 | 1790 | 7440 | 10400 | 4600 | 3400 | 900 | 2770 |
MIN | 140 | 800 | 480 | 500 | 1090 | 806 | 793 | 1370 | 1150 | 409 | 145 | 73 |
CFSM | .60 | .85 | .71 | 1.74 | 1.26 | .65 | 1.58 | 2.16 | 1.34 | .60 | .17 | .15 |
IN. | .69 | .95 | .82 | 2.01 | 1.31 | .75 | 1.76 | 2.49 | 1.50 | .69 | .20 | .16 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1914 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 546 | 620 | 674 | 1040 | 1419 | 1668 | 1870 | 1719 | 1581 | 1051 | 530 | 620 |
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 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1914 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 794262 | 586347 | ||||
ANNUAL MEAN | 2176 | 1606 | 1109 | |||
HIGHEST ANNUAL MEAN | 3578 | 1993 | ||||
LOWEST ANNUAL MEAN | 168 | 1989 | ||||
HIGHEST DAILY MEAN | 13000 | Mar 20 | 10600 | Jan 27 | 32800 | Aug 23 1924 |
LOWEST DAILY MEAN | 116 | Sep 13 | 73 | Sep 27 | 3.8 | Jul 31 1914 |
ANNUAL SEVEN-DAY MINIMUM | 125 | Sep 7 | 80 | Sep 21 | 4.2 | Aug 23 1914 |
INSTANTANEOUS PEAK FLOW | 11100 | Jan 27 | 37300 A | Aug 22 1924 | ||
INSTANTANEOUS PEAK STAGE | 21.69 | Jan 27 | 33.10 B | Jul 26 1993 | ||
INSTANTANEOUS LOW FLOW | 72 | Sep 27 | 3.8 C | D | ||
ANNUAL RUNOFF (CFSM) | 1.33 | .98 | .68 | |||
ANNUAL RUNOFF (INCHES) | 18.06 | 13.33 | 9.21 | |||
10 PERCENT EXCEEDS | 4850 | 3440 | 2570 | |||
50 PERCENT EXCEEDS | 1670 | 997 | 481 | |||
90 PERCENT EXCEEDS | 224 | 161 | 62 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |