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 | 572 | 1330 | 1400 | e940 | 5330 | 2480 | 1500 | 6400 | 2860 | 2700 | 1040 | 711 |
2 | 646 | 1320 | 1340 | e870 | 5730 | 2350 | 1360 | 5840 | 4400 | 2580 | 893 | 616 |
3 | 674 | 1310 | 1250 | e830 | 6070 | 2290 | 1420 | 5390 | 4570 | 2150 | 913 | 621 |
4 | 755 | 1450 | 1250 | e880 | 5610 | 2220 | 1420 | 5050 | 4000 | 1900 | 860 | 586 |
5 | 765 | 1320 | 1170 | e920 | 5190 | 2140 | 1520 | 4790 | 3750 | 1590 | 704 | 603 |
6 | 1120 | 1240 | 1210 | e940 | 4960 | 2140 | 1550 | 4680 | 3460 | 1480 | 718 | 605 |
7 | 1330 | 1200 | 2040 | e960 | 4810 | 2010 | 1530 | 4480 | 3240 | 1400 | 689 | 584 |
8 | 1310 | 1140 | 2690 | e960 | 4660 | 1910 | 1440 | 4010 | 3040 | 1390 | 693 | 617 |
9 | 1320 | 1240 | 2240 | e950 | 4420 | 1920 | 2280 | 3560 | 2620 | 1340 | 737 | 614 |
10 | 1270 | 1500 | 2000 | e940 | 4290 | e1920 | 3330 | 3350 | 2510 | 1530 | 664 | 524 |
11 | 1230 | 3310 | 1870 | e940 | 4270 | e1920 | 3120 | 3280 | 2620 | 1330 | 680 | 565 |
12 | 1180 | 3070 | 1760 | e930 | 4970 | 1910 | 3020 | 5040 | 2910 | 1210 | 670 | 472 |
13 | 1170 | 2880 | 1690 | e920 | 4840 | 1890 | 2890 | 7300 | 4430 | 1160 | 797 | 474 |
14 | 1050 | 2840 | 1650 | e930 | 4390 | 1900 | 2770 | 6060 | 9780 | 896 | 703 | 598 |
15 | 799 | 2760 | 1590 | e930 | 4160 | 1920 | 2760 | 4890 | 8780 | 866 | 679 | 617 |
16 | 760 | 2630 | 1520 | e1020 | 4020 | 1980 | 5380 | 4270 | 7510 | 774 | 747 | 459 |
17 | 929 | 2530 | 1500 | e1160 | 3880 | 2960 | 6590 | 4270 | 6990 | 774 | 592 | 488 |
18 | 4570 | 2410 | 1500 | e1140 | 3690 | 4350 | 5450 | 4450 | 6690 | 781 | 633 | 445 |
19 | 6160 | 2310 | 1420 | e960 | 3550 | 3690 | 4710 | 4080 | 6440 | 976 | 689 | 474 |
20 | 4330 | 2190 | 1390 | e1050 | 3410 | 3030 | 4160 | 3950 | 6150 | 970 | 804 | 474 |
21 | 3310 | 2130 | 1360 | e1200 | 3230 | 2810 | 3650 | 4050 | 5840 | 1050 | 713 | 505 |
22 | 2800 | 2060 | 1100 | e3000 | 3060 | 2650 | 3870 | 4570 | 5550 | 1360 | 708 | 510 |
23 | 2430 | 1840 | 890 | e6000 | 2910 | 2470 | 10000 | 4490 | 5300 | 1390 | 731 | 500 |
24 | 2160 | 1710 | 1020 | e11500 | 2740 | 2300 | 12100 | 4190 | 5000 | 1270 | 768 | 471 |
25 | 1840 | 1450 | 1100 | 9860 | 2340 | 2220 | 8880 | 3890 | 4600 | 1650 | 1320 | 436 |
26 | 1650 | 1450 | 1130 | 7490 | 2190 | 2150 | 7360 | 3690 | 4180 | 1290 | 1280 | 463 |
27 | 1430 | 1400 | 1140 | 6430 | 2290 | 2090 | 6740 | 3500 | 3870 | 1270 | 1030 | 483 |
28 | 1580 | 1400 | 1180 | 6450 | 2580 | 2040 | 8340 | 3330 | 3460 | 1270 | 819 | 643 |
29 | 1560 | 1380 | 1190 | 5900 | --- | 1960 | 8260 | 3190 | 3020 | 1240 | 778 | 2730 |
30 | 1450 | 1350 | 1050 | 5380 | --- | 1800 | 7130 | 2950 | 2710 | 1130 | 714 | 2670 |
31 | 1390 | --- | 543 | 5280 | --- | 1630 | --- | 2810 | --- | 1120 | 747 | --- |
TOTAL | 53540 | 56150 | 44183 | 87660 | 113590 | 71050 | 134530 | 135800 | 140280 | 41837 | 24513 | 20558 |
MEAN | 1727 | 1872 | 1425 | 2828 | 4057 | 2292 | 4484 | 4381 | 4676 | 1350 | 791 | 685 |
MAX | 6160 | 3310 | 2690 | 11500 | 6070 | 4350 | 12100 | 7300 | 9780 | 2700 | 1320 | 2730 |
MIN | 572 | 1140 | 543 | 830 | 2190 | 1630 | 1360 | 2810 | 2510 | 774 | 592 | 436 |
CFSM | .65 | .71 | .54 | 1.07 | 1.54 | .87 | 1.70 | 1.66 | 1.77 | .51 | .30 | .26 |
IN. | .75 | .79 | .62 | 1.23 | 1.60 | 1.00 | 1.89 | 1.91 | 1.97 | .59 | .35 | .29 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 1121 | 1476 | 1491 | 1484 | 2045 | 3293 | 3295 | 2427 | 1892 | 1254 | 930 | 966 |
MAX | 5239 | 5444 | 7695 | 4941 | 5461 | 11290 | 9157 | 7575 | 6189 | 5988 | 4909 | 5141 |
(WY) | 1955 | 1986 | 1983 | 1960 | 1997 | 1979 | 1979 | 1974 | 1996 | 1996 | 1924 | 1972 |
MIN | 141 | 329 | 364 | 335 | 338 | 412 | 418 | 217 | 267 | 174 | 153 | 186 |
(WY) | 1957 | 1954 | 1940 | 1940 | 1934 | 1934 | 1934 | 1934 | 1934 | 1934 | 1934 | 1946 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1915 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 838554 | 923691 | ||||
ANNUAL MEAN | 2297 | 2531 | 1805 | |||
HIGHEST ANNUAL MEAN | 3940 | 1993 | ||||
LOWEST ANNUAL MEAN | 330 | 1934 | ||||
HIGHEST DAILY MEAN | 12200 | May 8 | 12100 | Apr 24 | 46600 | Jul 19 1996 |
LOWEST DAILY MEAN | 479 | Sep 28 | 436 | Sep 25 | 1.0 A | Aug 29 1934 |
ANNUAL SEVEN-DAY MINIMUM | 539 | Sep 25 | 479 | Sep 16 | 120 | Oct 8 1956 |
INSTANTANEOUS PEAK FLOW | 14200 B | Apr 23 | 55400 C | Jul 19 1996 | ||
INSTANTANEOUS PEAK STAGE | 15.13 D | Jan 23 | 36.47 D | Jan 25 1960 | ||
INSTANTANEOUS LOW FLOW | 60 E | Sep 18 | ||||
ANNUAL RUNOFF (CFSM) | .87 | .96 | .68 | |||
ANNUAL RUNOFF (INCHES) | 11.81 | 13.00 | 9.28 | |||
10 PERCENT EXCEEDS | 4420 | 5380 | 4100 | |||
50 PERCENT EXCEEDS | 1800 | 1800 | 1180 | |||
90 PERCENT EXCEEDS | 789 | 680 | 374 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |