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 | 79 | 58 | 80 | 620 | 861 | 952 | 7340 | 6050 | 1540 | 2450 | 330 | 116 |
2 | 78 | 64 | 124 | 558 | 782 | 886 | 6760 | 4160 | 1330 | 2540 | 355 | 111 |
3 | 73 | 70 | 659 | 473 | 715 | 818 | 4830 | 5270 | 1190 | 1920 | 324 | 107 |
4 | 70 | 64 | 870 | 436 | 663 | 769 | 5150 | 10300 | 1090 | 1490 | 317 | 103 |
5 | 65 | 62 | 791 | 458 | 604 | 757 | 6170 | 14200 | 1050 | 1250 | 1170 | 99 |
6 | 62 | 65 | 652 | 520 | 556 | 740 | 4510 | 14100 | 984 | 1030 | 3700 | 96 |
7 | 60 | 64 | 530 | 790 | 532 | 674 | 3730 | 11500 | 954 | 1360 | 2930 | 91 |
8 | 57 | 59 | 450 | 1920 | 507 | 997 | 4160 | 11100 | 932 | 4420 | 1050 | 86 |
9 | 57 | 67 | 401 | 3300 | 478 | 2950 | 3560 | 11800 | 1290 | 3130 | 757 | 81 |
10 | 57 | 72 | 366 | 3470 | 454 | 3880 | 2900 | 9320 | 1700 | 2610 | 770 | 78 |
11 | 55 | 66 | 330 | 3410 | 447 | 3210 | 3220 | 5440 | 2460 | 2370 | 773 | 77 |
12 | 54 | 69 | 328 | 3310 | 444 | 2730 | 2950 | 4210 | 4010 | 1760 | 608 | 75 |
13 | 66 | 92 | 453 | 2860 | 460 | 2390 | 2310 | 3320 | 4450 | 1220 | 459 | 72 |
14 | 65 | 96 | 575 | 2180 | 494 | 1980 | 2090 | 2530 | 5240 | 978 | 403 | 71 |
15 | 58 | 91 | 556 | 1570 | 516 | 1660 | 2140 | 2030 | 5290 | 845 | 350 | 70 |
16 | 56 | 88 | 494 | 1260 | 544 | 1530 | 5960 | 1740 | 5410 | 742 | 303 | 69 |
17 | 61 | 82 | 439 | 1110 | 1010 | 1640 | 6950 | 1570 | 5930 | 650 | 269 | 69 |
18 | 60 | 77 | 394 | 982 | 2850 | 4310 | 2880 | 1400 | 6380 | 594 | 244 | 72 |
19 | 56 | 77 | 364 | 874 | 2360 | 5330 | 1870 | 1240 | 7780 | 546 | 226 | 79 |
20 | 56 | 75 | 343 | 773 | 2100 | 5730 | 1580 | 1140 | 7410 | 477 | 211 | 74 |
21 | 56 | 77 | 323 | 696 | 1990 | 7710 | 1420 | 1180 | 6690 | 576 | 197 | 72 |
22 | 55 | 75 | 313 | 654 | 1780 | 8570 | 1330 | 1770 | 5740 | 840 | 182 | 78 |
23 | 52 | 71 | 296 | 698 | 1530 | 8310 | 1260 | 2270 | 4780 | 3020 | 170 | 73 |
24 | 52 | 70 | e280 | 656 | 1340 | 6330 | 1160 | 3710 | 5500 | 3820 | 161 | 75 |
25 | 51 | 72 | e260 | 643 | 1180 | 5350 | 1070 | 4830 | 4070 | 1230 | 152 | 78 |
26 | 52 | 72 | e250 | 625 | 1060 | 3990 | 1010 | 4900 | 3040 | 686 | 142 | e75 |
27 | 51 | 79 | e350 | 603 | 972 | 2850 | 1170 | 4890 | 2470 | 548 | 136 | e68 |
28 | 50 | 83 | e700 | 606 | 963 | 4040 | 1060 | 4380 | 1970 | 463 | 131 | e65 |
29 | 54 | 78 | e1100 | 692 | --- | 6740 | 934 | 3140 | 1670 | 400 | 127 | e62 |
30 | 59 | 78 | e800 | 833 | --- | 7940 | 4210 | 2280 | 2440 | 362 | 125 | e61 |
31 | 59 | --- | 696 | 905 | --- | 7610 | --- | 1810 | --- | 339 | 122 | --- |
TOTAL | 1836 | 2213 | 14567 | 38485 | 28192 | 113373 | 95684 | 157580 | 104790 | 44666 | 17194 | 2403 |
MEAN | 59.2 | 73.8 | 470 | 1241 | 1007 | 3657 | 3189 | 5083 | 3493 | 1441 | 555 | 80.1 |
MAX | 79 | 96 | 1100 | 3470 | 2850 | 8570 | 7340 | 14200 | 7780 | 4420 | 3700 | 116 |
MIN | 50 | 58 | 80 | 436 | 444 | 674 | 934 | 1140 | 932 | 339 | 122 | 61 |
CFSM | .04 | .05 | .31 | .82 | .66 | 2.41 | 2.10 | 3.35 | 2.30 | .95 | .37 | .05 |
IN. | .05 | .05 | .36 | .94 | .69 | 2.78 | 2.35 | 3.87 | 2.57 | 1.10 | .42 | .06 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 415 | 758 | 1269 | 1660 | 1904 | 2214 | 2215 | 1910 | 1268 | 734 | 432 | 375 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1910 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 409610 | 620983 | ||||
ANNUAL MEAN | 1122 | 1701 | 1259 | |||
HIGHEST ANNUAL MEAN | 2696 | 1927 | ||||
LOWEST ANNUAL MEAN | 35.9 | 1954 | ||||
HIGHEST DAILY MEAN | 14800 | Mar 1 | 14200 | May 5 | 38200 | May 30 1927 |
LOWEST DAILY MEAN | 50 | Oct 28 | 50 | Oct 28 | 1.0 | A |
ANNUAL SEVEN-DAY MINIMUM | 52 | Oct 23 | 52 | Oct 23 | 1.6 | Oct 3 1914 |
INSTANTANEOUS PEAK FLOW | 15700 | May 5 | 44800 B | Jan 4 1950 | ||
INSTANTANEOUS PEAK STAGE | 21.26 | May 5 | 26.54 C | Jun 30 1957 | ||
INSTANTANEOUS LOW FLOW | 49 | Oct 25,27,28 | 1.0 D | A | ||
ANNUAL RUNOFF (CFSM) | .74 | 1.12 | .83 | |||
ANNUAL RUNOFF (INCHES) | 10.05 | 15.24 | 11.29 | |||
10 PERCENT EXCEEDS | 3050 | 5000 | 3350 | |||
50 PERCENT EXCEEDS | 430 | 715 | 468 | |||
90 PERCENT EXCEEDS | 68 | 66 | 45 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |