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 | 3710 | 3390 | 3590 | 6580 | 8520 | 8430 | 45400 | 26400 | 13400 | 31900 | 28400 | 9690 |
2 | 3440 | 3460 | 5470 | 5970 | 8960 | 7770 | 47600 | 27300 | 12000 | 30800 | 23100 | 9520 |
3 | 3250 | 3370 | 6940 | 5550 | 8740 | 7730 | 48800 | 28500 | 10600 | 29700 | 19900 | 9350 |
4 | 3070 | 3490 | 6590 | 5250 | 8250 | 7560 | 48700 | 31100 | 9660 | 28300 | 18300 | 9280 |
5 | 2910 | 3530 | 5850 | 5020 | 7800 | 6890 | 46700 | 32400 | 9290 | 26300 | 23100 | 9150 |
6 | 2830 | 3530 | 5200 | 5260 | 7360 | 6400 | 43300 | 33700 | 9100 | 25700 | 27800 | 9110 |
7 | 2860 | 3690 | 4680 | 10000 | 6950 | 6060 | 39200 | 37100 | 8660 | 27700 | 27800 | 9860 |
8 | 2930 | 3740 | 4460 | 17900 | 6560 | 5980 | 34400 | 42900 | 8050 | 31500 | 28300 | 8500 |
9 | 3000 | 3650 | 4550 | 22400 | 6260 | 6650 | 30500 | 43800 | 8880 | 33600 | 29200 | 6840 |
10 | 2930 | 3580 | 4470 | 24100 | 6030 | 9260 | 29000 | 43200 | 11300 | 34900 | 30400 | 6160 |
11 | 2850 | 3430 | 4410 | 25200 | 5770 | 17300 | 28900 | 42900 | 11500 | 36000 | 31000 | 5950 |
12 | 2780 | 3360 | 4290 | 26200 | 5610 | 23400 | 29300 | 43600 | 17200 | 36500 | 30600 | 6520 |
13 | 2800 | 3320 | 4410 | 27100 | 5480 | 25500 | 30200 | 44600 | 27300 | 36200 | 28400 | 7390 |
14 | 2830 | 3320 | 4610 | 27400 | 5580 | 26400 | 31600 | 44600 | 31500 | 34000 | 26000 | 7150 |
15 | 2820 | 3380 | 4790 | 26600 | 6140 | 26400 | 33200 | 42700 | 39200 | 29200 | 23400 | 6250 |
16 | 2730 | 3320 | 4850 | 23500 | 6410 | 24700 | 38400 | 37600 | 49500 | 25300 | 21500 | 5290 |
17 | 2780 | 3260 | 4690 | 19700 | 6820 | 22600 | 40800 | 28500 | 60900 | 22700 | 20300 | 4810 |
18 | 2710 | 3270 | 4590 | 17000 | 7550 | 24000 | 39600 | 21700 | 75600 | 21000 | 19100 | 4620 |
19 | 2710 | 3320 | 4390 | 14800 | 7060 | 27000 | 37400 | 16700 | 87000 | 19600 | 18000 | 4500 |
20 | 2890 | 3300 | 4200 | 12300 | 7630 | 29100 | 34700 | 15300 | 90100 | 18000 | 16800 | 4430 |
21 | 3280 | 3310 | 4220 | 10700 | 9680 | 31900 | 31400 | 22100 | 88400 | 17000 | 14900 | 4310 |
22 | 3300 | 3240 | 4280 | 9630 | 12600 | 35000 | 28000 | 25400 | 83200 | 13700 | 13000 | 4500 |
23 | 3390 | 3260 | 4240 | 9100 | 14300 | 39200 | 26000 | 24200 | 75700 | 14700 | 12000 | 4710 |
24 | 3260 | 3170 | 4250 | 8570 | 15100 | 44100 | 24600 | 25500 | 66600 | 18100 | 11400 | 4270 |
25 | 3190 | 3220 | 4410 | 8150 | 14800 | 48000 | 23500 | 26500 | 58100 | 24200 | 11000 | 4090 |
26 | 3180 | 3400 | 4750 | 7900 | 13300 | 49900 | 22600 | 26500 | 51100 | 26300 | 10500 | 4090 |
27 | 3250 | 3750 | 5810 | 7840 | 11400 | 49300 | 21800 | 25300 | 45100 | 27600 | 10400 | 4030 |
28 | 3450 | 3760 | 7480 | 7650 | 9640 | 48900 | 19900 | 21200 | 39000 | 29400 | 10300 | 4060 |
29 | 3580 | 3550 | 8660 | 7420 | --- | 46700 | 18200 | 17000 | 33300 | 32100 | 10100 | 4090 |
30 | 3560 | 3500 | 8110 | 7340 | --- | 44300 | 21800 | 14400 | 32000 | 34600 | 9870 | 3870 |
31 | 3440 | --- | 7170 | 7750 | --- | 43700 | --- | 13700 | --- | 34000 | 9820 | --- |
TOTAL | 95710 | 102870 | 160410 | 419880 | 240300 | 800130 | 995500 | 926400 | 1163240 | 850600 | 614690 | 186390 |
MEAN | 3087 | 3429 | 5175 | 13540 | 8582 | 25810 | 33180 | 29880 | 38770 | 27440 | 19830 | 6213 |
MAX | 3710 | 3760 | 8660 | 27400 | 15100 | 49900 | 48800 | 44600 | 90100 | 36500 | 31000 | 9860 |
MIN | 2710 | 3170 | 3590 | 5020 | 5480 | 5980 | 18200 | 13700 | 8050 | 13700 | 9820 | 3870 |
CFSM | .23 | .26 | .39 | 1.03 | .65 | 1.96 | 2.52 | 2.27 | 2.95 | 2.08 | 1.51 | .47 |
IN. | .27 | .29 | .45 | 1.19 | .68 | 2.26 | 2.81 | 2.62 | 3.29 | 2.40 | 1.74 | .53 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 4898 | 7390 | 11010 | 13980 | 16860 | 21150 | 21390 | 17480 | 13980 | 9303 | 5914 | 4627 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1940 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 5069820 | 6556120 | ||||
ANNUAL MEAN | 13890 | 17960 | 12300 | |||
HIGHEST ANNUAL MEAN | 24340 | 1950 | ||||
LOWEST ANNUAL MEAN | 3206 | 1941 | ||||
HIGHEST DAILY MEAN | 72200 | Mar 5 | 90100 | Jun 20 | 200000 | May 21 1943 |
LOWEST DAILY MEAN | 2710 | Oct 18 | 2710 | Oct 18 | 858 | Sep 27 1941 |
ANNUAL SEVEN-DAY MINIMUM | 2770 | Oct 13 | 2770 | Oct 13 | 870 | Sep 25 1941 |
INSTANTANEOUS PEAK FLOW | 90300 | Jun 20 | 201000 | May 21 1943 | ||
INSTANTANEOUS PEAK STAGE | 23.11 | Jun 20 | 29.36 | May 21 1943 | ||
ANNUAL RUNOFF (CFSM) | 1.06 | 1.36 | .93 | |||
ANNUAL RUNOFF (INCHES) | 14.33 | 18.53 | 12.70 | |||
10 PERCENT EXCEEDS | 30700 | 39400 | 29900 | |||
50 PERCENT EXCEEDS | 7910 | 10500 | 7250 | |||
90 PERCENT EXCEEDS | 3310 | 3340 | 2200 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |