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 | 3740 | 5310 | 5170 | 4220 | 63500 | 18200 | 9890 | 28200 | 9690 | 6010 | 2960 | 2200 |
2 | 3580 | 5370 | 5100 | 3870 | 57200 | 20600 | 9520 | 27600 | 18700 | 5980 | 2850 | 2120 |
3 | 3610 | 6270 | 5080 | 2990 | 51200 | 23500 | 9470 | 25900 | 25900 | 5720 | 2690 | 2050 |
4 | 3480 | 6370 | 5090 | 2200 | 46500 | 24600 | 10200 | 22700 | 24900 | 5560 | 2620 | 1970 |
5 | 3430 | 5800 | 4980 | e2170 | 42300 | 25400 | 9890 | 19500 | 25500 | 5490 | 2620 | 1940 |
6 | 4230 | 5470 | 4860 | e2150 | 38800 | 27100 | 10100 | 18300 | 24400 | 5260 | 2510 | 1880 |
7 | 5840 | 5390 | 4990 | e2140 | 41400 | 28200 | 10200 | 16800 | 21800 | 5110 | 2490 | 1840 |
8 | 6590 | 5230 | 5340 | e2130 | 46500 | 28700 | 9490 | 15000 | 18400 | 4840 | 2440 | 1780 |
9 | 6040 | 5150 | 5440 | e2120 | 46700 | 29900 | 10300 | 14000 | 14600 | 4590 | 2380 | 1730 |
10 | 6130 | 5500 | 5270 | e2120 | 47500 | 30900 | 9850 | 13000 | 12100 | 4440 | 2380 | 1670 |
11 | 7630 | 8050 | 5020 | e2120 | 48800 | 30900 | 9840 | 11900 | 10600 | 4220 | 2360 | 1620 |
12 | 7940 | 9270 | 4940 | e2130 | 49300 | 29500 | 9670 | 11000 | 10100 | 3910 | e2350 | 1570 |
13 | 7460 | 10300 | 4840 | e2200 | 48400 | 26800 | 10500 | 11000 | 9960 | 3730 | e2340 | 1540 |
14 | 6910 | 11300 | 4640 | e2300 | 46500 | 24000 | 12200 | 12400 | 10800 | 3570 | e2330 | 1510 |
15 | 6160 | 10700 | 4540 | e2500 | 44000 | 21100 | 12500 | 12900 | 11700 | 3450 | e2400 | 1480 |
16 | 5490 | 9520 | 4510 | e3000 | 41300 | 18600 | 12900 | 14200 | 12200 | 3350 | e3060 | 1450 |
17 | 4970 | 8510 | 4500 | e4500 | 38200 | 17000 | 18200 | 13300 | 11400 | 3240 | 3250 | 1440 |
18 | 4590 | 7530 | 4380 | e6000 | 34600 | 16700 | 25500 | 12500 | 10100 | 3370 | 2910 | 1910 |
19 | 4680 | 6720 | 4270 | e9000 | 31000 | 18800 | 27600 | 11500 | 9030 | 3550 | 2690 | 2150 |
20 | 4880 | 6330 | 4290 | e13000 | 27800 | 21600 | 29100 | 10700 | 8180 | 3650 | 2540 | 2260 |
21 | 4960 | 5920 | 4190 | e19000 | 25300 | 23100 | 31600 | 10400 | 7470 | 5090 | 2420 | 2300 |
22 | 4790 | 5630 | 4420 | 33100 | 22600 | 23200 | 34500 | 11100 | 6940 | 5220 | 2300 | 2310 |
23 | 4680 | 5430 | 4430 | 43800 | 19900 | 22200 | 37100 | 10900 | 6560 | 4240 | 2280 | 2350 |
24 | 4680 | 5200 | 4300 | 48500 | 18200 | 20100 | 37800 | 11800 | 7360 | 4150 | 2270 | 2320 |
25 | 4570 | 5090 | 4220 | 53300 | 17000 | 17100 | 36000 | 12000 | 8060 | 4000 | 2190 | 2240 |
26 | 4520 | 5140 | 3950 | 59600 | 15800 | 14500 | 33100 | 11700 | 6750 | 3680 | 2170 | 2160 |
27 | 4420 | 5170 | 3890 | 66200 | 14100 | 12900 | 31000 | 12300 | 6610 | 3540 | 2170 | 2130 |
28 | 4440 | 5240 | 4070 | 71900 | 16100 | 11900 | 30900 | 12900 | 6440 | 3450 | 2140 | 2150 |
29 | 4410 | 5350 | 4240 | 74700 | --- | 11100 | 30600 | 12000 | 6340 | 3210 | 2150 | 2220 |
30 | 4460 | 5280 | 4350 | 73100 | --- | 10800 | 29100 | 10700 | 6240 | 3060 | 2190 | 2350 |
31 | 4880 | --- | 4390 | 68400 | --- | 10400 | --- | 9760 | --- | 2970 | 2300 | --- |
TOTAL | 158190 | 197540 | 143700 | 684460 | 1040500 | 659400 | 598620 | 447960 | 368830 | 131650 | 76750 | 58640 |
MEAN | 5103 | 6585 | 4635 | 22080 | 37160 | 21270 | 19950 | 14450 | 12290 | 4247 | 2476 | 1955 |
MAX | 7940 | 11300 | 5440 | 74700 | 63500 | 30900 | 37800 | 28200 | 25900 | 6010 | 3250 | 2350 |
MIN | 3430 | 5090 | 3890 | 2120 | 14100 | 10400 | 9470 | 9760 | 6240 | 2970 | 2140 | 1440 |
CFSM | .39 | .50 | .35 | 1.68 | 2.82 | 1.62 | 1.52 | 1.10 | .93 | .32 | .19 | .15 |
IN. | .45 | .56 | .41 | 1.93 | 2.94 | 1.86 | 1.69 | 1.27 | 1.04 | .37 | .22 | .17 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 4902 | 7377 | 10910 | 14110 | 17200 | 21150 | 21360 | 17430 | 13950 | 9218 | 5856 | 4583 |
MAX | 18350 | 39340 | 39250 | 80210 | 54530 | 60520 | 41840 | 68010 | 45640 | 36240 | 23680 | 25370 |
(WY) | 1991 | 1993 | 1986 | 1950 | 1950 | 1982 | 1957 | 1943 | 1958 | 1957 | 1958 | 1989 |
MIN | 1382 | 1437 | 1213 | 1318 | 2058 | 2763 | 6363 | 3435 | 2601 | 1968 | 1215 | 1261 |
(WY) | 1957 | 1954 | 1964 | 1977 | 1963 | 1941 | 1941 | 1941 | 1977 | 1988 | 1941 | 1940 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1940 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 6696560 | 4566240 | ||||
ANNUAL MEAN | 18350 | 12510 | 12310 | |||
HIGHEST ANNUAL MEAN | 24340 | 1950 | ||||
LOWEST ANNUAL MEAN | 3206 | 1941 | ||||
HIGHEST DAILY MEAN | 90100 | Jun 20 | 74700 | Jan 29 | 200000 | May 21 1943 |
LOWEST DAILY MEAN | 3430 | Oct 5 | 1440 | Sep 17 | 858 | Sep 27 1941 |
ANNUAL SEVEN-DAY MINIMUM | 3690 | Sep 29 | 1520 | Sep 11 | 870 | Sep 25 1941 |
INSTANTANEOUS PEAK FLOW | 75100 | Jan 29 | 201000 | May 21 1943 | ||
INSTANTANEOUS PEAK STAGE | 21.89 | Jan 29 | 29.36 | May 21 1943 | ||
ANNUAL RUNOFF (CFSM) | 1.39 | .95 | .94 | |||
ANNUAL RUNOFF (INCHES) | 18.93 | 12.91 | 12.70 | |||
10 PERCENT EXCEEDS | 39400 | 30900 | 30000 | |||
50 PERCENT EXCEEDS | 10700 | 6040 | 7240 | |||
90 PERCENT EXCEEDS | 4510 | 2200 | 2200 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |