DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 75 | 46 | 47 | 68 | 1470 | 3480 | 8670 | 4120 | 3030 | 3580 | 3090 | 3510 |
2 | 59 | 45 | 46 | 66 | 1160 | 3260 | 7330 | 3850 | 2570 | 3780 | 3400 | 3240 |
3 | 60 | 45 | 48 | 67 | 557 | 2780 | 6590 | 3620 | 2200 | 3700 | 3640 | 3090 |
4 | 59 | 44 | 47 | 67 | 1110 | 2380 | 5870 | 3550 | 2010 | 3680 | 3850 | 2930 |
5 | 58 | 48 | 47 | 433 | 1120 | 2070 | 5300 | 3670 | 2420 | 3670 | 3050 | 2790 |
6 | 59 | 49 | 47 | 1350 | 1120 | 1980 | 6300 | 3810 | 2940 | 3340 | 1630 | 2620 |
7 | 58 | 48 | 47 | 2040 | 1120 | 1970 | 9430 | 4060 | 2900 | 3950 | 1780 | 2340 |
8 | 59 | 47 | 47 | 2720 | 1120 | 2040 | 11200 | 4050 | 2820 | 4320 | 2150 | 2120 |
9 | 52 | 47 | 47 | 3880 | 1110 | 2290 | 11800 | 4040 | 2950 | 4350 | 2090 | 1940 |
10 | 44 | 46 | 47 | 4190 | 1110 | 2850 | 11800 | 4000 | 3110 | 4340 | 2570 | 1750 |
11 | 45 | 46 | 47 | 4170 | 1110 | 3730 | 10100 | 3880 | 3120 | 4250 | 3760 | 1560 |
12 | 45 | 45 | 46 | 4110 | 1110 | 3960 | 9800 | 3550 | 3140 | 4180 | 3940 | 1310 |
13 | 48 | 45 | 45 | 4090 | 921 | 3900 | 9590 | 3200 | 3160 | 3870 | 3990 | 1030 |
14 | 46 | 45 | 45 | 4150 | 737 | 3610 | 9470 | 3010 | 3260 | 3100 | 3970 | 885 |
15 | 44 | 45 | 262 | 4230 | 573 | 3550 | 8930 | 2630 | 3310 | 3040 | 3950 | 749 |
16 | 44 | 45 | 432 | 4210 | 446 | 3930 | 7450 | 2410 | 3330 | 3030 | 3930 | 656 |
17 | 44 | 45 | 432 | 4190 | 689 | 4470 | 6300 | 2030 | 3280 | 3020 | 3910 | 384 |
18 | 45 | 45 | 434 | 4170 | 1440 | 5140 | 5820 | 1810 | 3410 | 3030 | 3860 | 242 |
19 | 46 | 45 | 434 | 4150 | 3030 | 5510 | 5540 | 1720 | 3890 | 3020 | 3460 | 417 |
20 | 47 | 45 | 435 | 4130 | 3520 | 5960 | 5830 | 1600 | 3930 | 3290 | 3410 | 417 |
21 | 46 | 45 | 438 | 4040 | 3310 | 5530 | 6850 | 1710 | 4090 | 3840 | 3690 | 416 |
22 | 46 | 45 | 441 | 3830 | 3040 | 5440 | 7340 | 2020 | 4110 | 3830 | 3810 | 293 |
23 | 46 | 46 | 437 | 3560 | 3010 | 5550 | 7410 | 2170 | 4120 | 3450 | 3810 | 108 |
24 | 50 | 47 | 442 | 3400 | 2990 | 6120 | 7200 | 2240 | 4010 | 3650 | 3890 | 126 |
25 | 46 | 45 | 440 | 3380 | 2980 | 7090 | 6940 | 2240 | 3950 | 3880 | 3970 | 87 |
26 | 49 | 46 | 212 | 3150 | 2980 | 8390 | 6560 | 2620 | 4000 | 3700 | 3960 | 297 |
27 | 47 | 45 | 73 | 2770 | 3120 | 9360 | 6220 | 3280 | 3180 | 3610 | 3970 | 553 |
28 | 47 | 47 | 71 | 2330 | 3470 | 10500 | 5960 | 3240 | 2880 | 3850 | 3810 | 786 |
29 | 45 | 48 | 70 | 1890 | --- | 10900 | 5330 | 3210 | 2930 | 3830 | 3520 | 877 |
30 | 45 | 49 | 70 | 1690 | --- | 11000 | 4690 | 3200 | 3240 | 3570 | 3370 | 877 |
31 | 45 | --- | 69 | 1680 | --- | 10800 | --- | 3190 | --- | 3240 | 3500 | --- |
TOTAL | 1549 | 1379 | 5845 | 88201 | 49473 | 159540 | 227620 | 93730 | 97290 | 112990 | 106730 | 38400 |
MEAN | 50.0 | 46.0 | 189 | 2845 | 1767 | 5146 | 7587 | 3024 | 3243 | 3645 | 3443 | 1280 |
MAX | 75 | 49 | 442 | 4230 | 3520 | 11000 | 11800 | 4120 | 4120 | 4350 | 3990 | 3510 |
MIN | 44 | 44 | 45 | 66 | 446 | 1970 | 4690 | 1600 | 2010 | 3020 | 1630 | 87 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 611 | 947 | 2983 | 3361 | 4013 | 4021 | 3375 | 2500 | 2011 | 1858 | 1223 | 709 |
MAX | 3415 | 6233 | 9762 | 7777 | 9484 | 10170 | 9700 | 9066 | 5328 | 4888 | 4091 | 3731 |
(WY) | 1994 | 1994 | 1994 | 1983 | 1974 | 1979 | 1979 | 1996 | 1990 | 1973 | 1974 | 1974 |
MIN | 40.3 | 43.1 | 47.8 | 47.5 | 50.3 | 557 | 137 | 53.4 | 50.0 | 57.9 | 51.8 | 37.8 |
(WY) | 1986 | 1988 | 1977 | 1977 | 1977 | 1992 | 1986 | 1997 | 1988 | 1976 | 1976 | 1986 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1968 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 519009 | 982747 | ||||
ANNUAL MEAN | 1422 | 2692 | 2294 | |||
HIGHEST ANNUAL MEAN | 4392 | 1974 | ||||
LOWEST ANNUAL MEAN | 709 | 1977 | ||||
HIGHEST DAILY MEAN | 11900 | Mar 17 | 11800 | Apr 9-10 | 12100 | A |
LOWEST DAILY MEAN | 39 | May 1,6 | 44 | Several days | 7.9 | May 14 1988 |
ANNUAL SEVEN-DAY MINIMUM | 40 | Apr 30 | 45 | Oct 29 | 29 | May 13 1988 |
INSTANTANEOUS PEAK FLOW | 12200 | Apr 10 | 12300 | May 10 1996 | ||
INSTANTANEOUS PEAK STAGE | 23.39 | Apr 10 | 25.04 | May 8 1970 | ||
INSTANTANEOUS LOW FLOW | 10 | Sep 25 | ||||
10 PERCENT EXCEEDS | 4950 | 5540 | 5690 | |||
50 PERCENT EXCEEDS | 122 | 2930 | 1380 | |||
90 PERCENT EXCEEDS | 46 | 46 | 52 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |