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 | 2680 | 2530 | 2970 | 2240 | e3100 | 6060 | 9530 | 11100 | 5690 | 9370 | 3150 | 3730 |
2 | 2580 | 2440 | 3100 | 2620 | 3540 | 6260 | 10200 | 10800 | 5750 | 9130 | 3040 | 3150 |
3 | 2510 | 2350 | 3040 | 3000 | 3700 | 6370 | 11000 | 10600 | 5420 | 9040 | 2980 | 3110 |
4 | 2670 | 2430 | 3010 | 3460 | 3820 | 6330 | 11800 | 10300 | 5300 | 9340 | 3170 | 3040 |
5 | 2520 | 2600 | 3020 | 3830 | 3840 | 6130 | 12500 | 10100 | 5200 | 9140 | 5450 | 2900 |
6 | 2480 | 2700 | 2920 | 4230 | 3750 | 5930 | 12600 | 9750 | 4930 | 8780 | 7810 | 2920 |
7 | 2520 | 3310 | 2900 | 4870 | 3690 | 5770 | 12600 | 10100 | 4650 | 8530 | 7480 | 3000 |
8 | 2450 | 3350 | 2890 | 5380 | 3630 | 6050 | 13100 | 10900 | 4570 | 8480 | 6830 | 3000 |
9 | 2420 | 3300 | 2920 | 5020 | 3580 | 6630 | 13700 | 10700 | 4480 | 8230 | 6790 | 2940 |
10 | 2190 | 3120 | 2980 | 4200 | 3560 | 6380 | 13700 | 10400 | 4440 | 8040 | 6450 | 2770 |
11 | 2330 | 2910 | 2950 | 3930 | 3740 | 5960 | 13700 | 10100 | 4340 | 7610 | 6260 | 2880 |
12 | 2200 | 2740 | 2930 | e3400 | 4290 | 5670 | 13500 | 9930 | 4770 | 7100 | 5850 | 2690 |
13 | 2320 | 2690 | 2860 | e2800 | 4670 | 5420 | 13400 | 10300 | 5530 | 6470 | 5480 | 2660 |
14 | 1810 | 2780 | 2830 | e2200 | 4810 | 5240 | 13700 | 9960 | 5750 | 6230 | 5240 | 3120 |
15 | 2310 | 2810 | 2810 | e2300 | 4810 | 5170 | 13400 | 9410 | 5820 | 5710 | 5040 | 3740 |
16 | 2290 | 2690 | 2770 | e2500 | 4840 | 5130 | 13800 | 8820 | 6090 | 5450 | 4950 | 4350 |
17 | 2000 | 2490 | 2710 | e2750 | 5180 | 5110 | 13700 | 8390 | 5800 | 5480 | 4750 | 4710 |
18 | 2020 | 2630 | 2670 | e2900 | 5030 | 5330 | 13300 | 7990 | 5830 | 4710 | 4560 | 4760 |
19 | 2060 | 2610 | 2680 | e2800 | 5170 | 5570 | 13200 | 7680 | 6710 | 4580 | 4510 | 4330 |
20 | 2040 | 2430 | 2780 | e2700 | 5370 | 5950 | 13200 | 7300 | 6950 | 4680 | 4000 | 4080 |
21 | 2070 | 2660 | 2780 | e2600 | 5370 | 6230 | 13700 | 7070 | 6930 | 4850 | 3850 | 3610 |
22 | 2400 | 2740 | 2790 | e2550 | 5220 | 6310 | 14100 | 6780 | 6950 | 5090 | 3680 | 3650 |
23 | 2610 | 2770 | 2770 | e2500 | 5260 | 6260 | 13800 | 6450 | 7280 | 4440 | 3640 | 3340 |
24 | 2610 | 2670 | 2830 | e2450 | 5340 | 6280 | 13500 | 6480 | 7640 | 4740 | 3480 | 3280 |
25 | 2790 | 2780 | 2810 | e2400 | 5360 | 6030 | 13200 | 6350 | 7570 | 4460 | 4030 | 3270 |
26 | 2910 | 2730 | 2770 | e2360 | 5450 | 6030 | 13000 | 6280 | 10500 | 4350 | 3740 | 3160 |
27 | 3000 | 2700 | 2650 | e2340 | 5560 | 6030 | 12800 | 6130 | 10100 | 4110 | 3820 | 3060 |
28 | 3030 | 2790 | 2460 | e2320 | 5630 | 6090 | 12300 | 5860 | 10600 | 3910 | 3880 | 3230 |
29 | 2870 | 2830 | 2730 | e2300 | --- | 6020 | 11700 | 6020 | 10900 | 2990 | 3920 | 3140 |
30 | 2760 | 2910 | 2570 | e2300 | --- | 5960 | 11400 | 5940 | 9840 | 2740 | 3850 | 3140 |
31 | 2480 | --- | 2460 | e2700 | --- | 7340 | --- | 5820 | --- | 2980 | 3780 | --- |
TOTAL | 75930 | 82490 | 87360 | 93950 | 127310 | 185040 | 385130 | 263810 | 196330 | 190760 | 145460 | 100760 |
MEAN | 2449 | 2750 | 2818 | 3031 | 4547 | 5969 | 12840 | 8510 | 6544 | 6154 | 4692 | 3359 |
MAX | 3030 | 3350 | 3100 | 5380 | 5630 | 7340 | 14100 | 11100 | 10900 | 9370 | 7810 | 4760 |
MIN | 1810 | 2350 | 2460 | 2200 | 3100 | 5110 | 9530 | 5820 | 4340 | 2740 | 2980 | 2660 |
CFSM | .38 | .43 | .44 | .48 | .71 | .94 | 2.02 | 1.34 | 1.03 | .97 | .74 | .53 |
IN. | .44 | .48 | .51 | .55 | .74 | 1.08 | 2.25 | 1.54 | 1.15 | 1.12 | .85 | .59 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 3042 | 3479 | 3253 | 3215 | 3791 | 7325 | 7375 | 5202 | 4183 | 3615 | 2817 | 2839 |
MAX | 13340 | 11320 | 9049 | 9432 | 8365 | 13920 | 18530 | 17770 | 13700 | 17000 | 9039 | 7753 |
(WY) | 1987 | 1986 | 1983 | 1960 | 1997 | 1974 | 1993 | 1973 | 1996 | 1993 | 1993 | 1972 |
MIN | 857 | 1100 | 1004 | 800 | 1000 | 1692 | 2476 | 1103 | 1248 | 1056 | 793 | 780 |
(WY) | 1965 | 1940 | 1959 | 1940 | 1940 | 1954 | 1958 | 1958 | 1977 | 1965 | 1958 | 1958 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1940 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1867220 | 1934330 | ||||
ANNUAL MEAN | 5116 | 5300 | 4178 | |||
HIGHEST ANNUAL MEAN | 9484 | 1993 | ||||
LOWEST ANNUAL MEAN | 1568 | 1958 | ||||
HIGHEST DAILY MEAN | 19800 | Feb 23 | 14100 | Apr 22 | 29700 | Mar 25 1975 |
LOWEST DAILY MEAN | 1810 | Oct 14 | 1810 | Oct 14 | 501 | Sep 14 1958 |
ANNUAL SEVEN-DAY MINIMUM | 2080 | Oct 14 | 2080 | Oct 14 | 622 | Oct 2 1958 |
INSTANTANEOUS PEAK FLOW | 14300 | Apr 22 | 30000 | Mar 25 1975 | ||
INSTANTANEOUS PEAK STAGE | 9.35 | Apr 22 | 15.54 | Mar 25 1975 | ||
INSTANTANEOUS LOW FLOW | 1320 | Oct 14 | ||||
ANNUAL RUNOFF (CFSM) | .80 | .83 | .66 | |||
ANNUAL RUNOFF (INCHES) | 10.92 | 11.31 | 8.92 | |||
10 PERCENT EXCEEDS | 7940 | 10400 | 8350 | |||
50 PERCENT EXCEEDS | 3970 | 4350 | 3120 | |||
90 PERCENT EXCEEDS | 2620 | 2510 | 1290 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |