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 | e60 | 61 | 134 | e125 | 6570 | 3240 | 541 | 1730 | 539 | 1050 | 99 | 58 |
2 | 59 | 72 | 129 | e160 | 6560 | 1670 | 533 | 1460 | 3130 | 1180 | 96 | 58 |
3 | 59 | 233 | 130 | e140 | 4560 | 1360 | 652 | 1280 | 6920 | 797 | 104 | 56 |
4 | 56 | 322 | 127 | e120 | 3650 | 1200 | 1600 | 1150 | 8980 | 628 | 102 | 54 |
5 | 90 | 268 | 124 | e100 | 3080 | 1100 | 1460 | 1380 | 9990 | 535 | 94 | 52 |
6 | 170 | 202 | 125 | e90 | 2540 | 1790 | 1640 | 2080 | 8250 | 470 | 88 | 51 |
7 | 304 | 170 | 165 | e86 | 7660 | 2080 | 1490 | 1910 | 4420 | 428 | 84 | 49 |
8 | 266 | 163 | 164 | e84 | 13300 | 1290 | 926 | 1370 | 2890 | 402 | 83 | 47 |
9 | 207 | 154 | 179 | e82 | 14700 | 1540 | 2740 | 1200 | 2750 | 355 | 77 | 46 |
10 | 139 | 448 | 171 | e79 | 11100 | 2200 | 1770 | 1100 | 2000 | 320 | 74 | 44 |
11 | 104 | 1710 | 173 | e76 | 8190 | 1820 | 964 | 974 | 1650 | 342 | 72 | 43 |
12 | 87 | 899 | 162 | e74 | 8140 | 1480 | 900 | 880 | 1450 | 301 | 72 | 42 |
13 | 84 | 613 | 152 | e150 | 7700 | 1300 | 805 | 1090 | 1730 | 256 | 82 | 42 |
14 | 80 | 559 | 142 | e250 | 4570 | 1240 | 741 | 1220 | 2500 | 226 | 74 | 41 |
15 | 77 | 460 | 133 | e280 | 3200 | 1210 | 758 | 1040 | 1980 | 204 | 177 | 40 |
16 | 73 | 376 | 126 | e300 | 2620 | 1170 | 853 | 1200 | 1390 | 186 | 156 | 39 |
17 | 70 | 315 | 122 | e700 | 2230 | 1110 | 1690 | 1130 | 1480 | 172 | 119 | 38 |
18 | 79 | 269 | 119 | e3200 | 1960 | 1020 | 2970 | 1030 | 1360 | 161 | 219 | 38 |
19 | 78 | 239 | 115 | 5500 | 1720 | 949 | 3100 | 898 | 1100 | 150 | 234 | 37 |
20 | 69 | 209 | 116 | 4410 | 1530 | 884 | 3130 | 798 | 891 | 143 | 173 | 38 |
21 | 72 | 187 | 128 | 5360 | 1380 | 823 | 2900 | 748 | 781 | 136 | 131 | 36 |
22 | 81 | 176 | 152 | 12300 | 1240 | 777 | 2480 | 1070 | 708 | 128 | 109 | 35 |
23 | 73 | 164 | e135 | 21800 | 1140 | 754 | 2530 | 1090 | 657 | 124 | 93 | 35 |
24 | 68 | 152 | e125 | 18000 | 1070 | 732 | 3230 | 848 | 1800 | 127 | 86 | 35 |
25 | 65 | 153 | e120 | 12900 | 1030 | 695 | 3290 | 870 | 1660 | 118 | 78 | 33 |
26 | 65 | 155 | e115 | 10700 | 977 | 663 | 2600 | 855 | 2120 | 113 | 73 | 32 |
27 | 62 | 137 | e110 | 9490 | 1060 | 634 | 2200 | 771 | 5150 | 127 | 71 | 33 |
28 | 61 | 136 | e105 | 8470 | 3130 | 602 | 3970 | 673 | 2400 | 116 | 72 | 33 |
29 | 61 | 134 | e100 | 6170 | --- | 576 | 4660 | 596 | 1440 | 106 | 68 | 33 |
30 | 62 | 132 | e100 | 3520 | --- | 565 | 2480 | 545 | 1170 | 117 | 64 | 37 |
31 | 61 | --- | e110 | 3590 | --- | 553 | --- | 516 | --- | 105 | 60 | --- |
TOTAL | 2942 | 9268 | 4108 | 128306 | 126607 | 37027 | 59603 | 33502 | 83286 | 9623 | 3184 | 1255 |
MEAN | 94.9 | 309 | 133 | 4139 | 4522 | 1194 | 1987 | 1081 | 2776 | 310 | 103 | 41.8 |
MAX | 304 | 1710 | 179 | 21800 | 14700 | 3240 | 4660 | 2080 | 9990 | 1180 | 234 | 58 |
MIN | 56 | 61 | 100 | 74 | 977 | 553 | 533 | 516 | 539 | 105 | 60 | 32 |
CFSM | .06 | .20 | .09 | 2.73 | 2.98 | .79 | 1.31 | .71 | 1.83 | .20 | .07 | .03 |
IN. | .07 | .23 | .10 | 3.15 | 3.11 | .91 | 1.46 | .82 | 2.04 | .24 | .08 | .03 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 412 | 753 | 1256 | 1688 | 1934 | 2203 | 2212 | 1900 | 1285 | 729 | 428 | 371 |
MAX | 3892 | 6308 | 7495 | 11520 | 7790 | 7556 | 7676 | 10550 | 5752 | 3844 | 4437 | 3810 |
(WY) | 1927 | 1993 | 1968 | 1950 | 1982 | 1979 | 1922 | 1943 | 1957 | 1958 | 1915 | 1926 |
MIN | 14.6 | 4.37 | 4.84 | 13.4 | 21.6 | 23.4 | 120 | 78.3 | 65.9 | 18.8 | 11.6 | 7.68 |
(WY) | 1965 | 1915 | 1915 | 1977 | 1954 | 1954 | 1931 | 1954 | 1954 | 1954 | 1954 | 1954 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1910 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 618685 | 498711 | ||||
ANNUAL MEAN | 1695 | 1366 | 1260 | |||
HIGHEST ANNUAL MEAN | 2696 | 1927 | ||||
LOWEST ANNUAL MEAN | 35.9 | 1954 | ||||
HIGHEST DAILY MEAN | 14200 | May 5 | 21800 | Jan 23 | 38200 | May 30 1927 |
LOWEST DAILY MEAN | 56 | Oct 4 | 32 | Sep 26 | 1.0 | A |
ANNUAL SEVEN-DAY MINIMUM | 60 | Sep 28 | 33 | Sep 23 | 1.6 | Oct 3 1914 |
INSTANTANEOUS PEAK FLOW | 23500 | Jan 23 | 44800 B | Jan 4 1950 | ||
INSTANTANEOUS PEAK STAGE | 23.39 | Jan 23 | 26.54 C | Jun 30 1957 | ||
INSTANTANEOUS LOW FLOW | 32 | Sep 26,27,28 | 1.0 D | A | ||
ANNUAL RUNOFF (CFSM) | 1.12 | .90 | .83 | |||
ANNUAL RUNOFF (INCHES) | 15.18 | 12.24 | 11.30 | |||
10 PERCENT EXCEEDS | 5000 | 3210 | 3350 | |||
50 PERCENT EXCEEDS | 696 | 322 | 468 | |||
90 PERCENT EXCEEDS | 77 | 61 | 45 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |