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 | 3010 | 3300 | 5300 | 6290 | 9150 | 7640 | 45000 | 21800 | 12200 | e24000 | 19300 | 8810 |
2 | 2830 | 3180 | 7370 | 5720 | 8940 | 7630 | 41800 | 25000 | 10700 | e23000 | 17600 | 8630 |
3 | 2640 | 3370 | 7000 | 5410 | 8400 | 7620 | 36300 | 25600 | 9770 | e22500 | 17000 | 8570 |
4 | 2480 | 3390 | 6130 | 5030 | 7950 | 6850 | 32900 | 30200 | 9290 | e22000 | 17300 | 8460 |
5 | 2400 | 3320 | 5370 | 4850 | 7490 | 6310 | 30700 | 33700 | 9070 | e21000 | 21800 | 8250 |
6 | 2450 | 3520 | 4760 | 8390 | 7080 | 5960 | 28400 | 36000 | 8870 | e20000 | 24400 | 9360 |
7 | 2530 | 3610 | 4450 | 16700 | 6670 | 5720 | 24900 | 35200 | 8250 | e30000 | 26600 | 8140 |
8 | 2630 | 3490 | 4620 | 22000 | 6330 | 5760 | e23000 | 34000 | 7550 | 33600 | 27500 | 5890 |
9 | 2510 | 3450 | 4470 | 24800 | 6100 | 7270 | e25000 | 36000 | 8880 | 34500 | 28800 | 5080 |
10 | 2470 | 3270 | 4470 | 26300 | 5740 | 14800 | 27400 | 38600 | 10700 | 33800 | 29900 | 4890 |
11 | 2370 | 3210 | 4300 | 27500 | 5580 | e22000 | 29100 | 40800 | 11500 | 33300 | 28400 | 5420 |
12 | 2410 | 3150 | 4450 | 28500 | 5440 | e26500 | 29900 | 39800 | 27600 | 31800 | 25800 | 6710 |
13 | 2440 | 3130 | 4700 | e28600 | 5520 | 27400 | 31300 | 35400 | 43500 | 28200 | 23200 | 6500 |
14 | 2470 | 3270 | 4890 | e26200 | 6220 | 26900 | 32900 | 31100 | 58000 | 24000 | 21200 | 5500 |
15 | 2360 | 3200 | 5010 | 22500 | 6520 | 24100 | 33300 | 25800 | 66600 | 21300 | 19800 | 4310 |
16 | 2440 | 3120 | 4820 | 19000 | 6560 | 21600 | 32700 | 20200 | 76500 | 19900 | 19200 | 3780 |
17 | 2350 | 3170 | 4710 | 16900 | 6370 | 20700 | 31000 | 16600 | 83300 | 19200 | 18300 | 3590 |
18 | 2400 | 3230 | 4500 | 14900 | 6450 | 24900 | 29600 | 14300 | 79600 | 18300 | 17300 | 3550 |
19 | 2630 | 3170 | 4250 | 12300 | 7110 | 29500 | 28500 | 13000 | 74700 | 17100 | 16300 | 3470 |
20 | 3110 | 3170 | 4330 | 10600 | 8970 | 32300 | 25700 | 19300 | 71100 | 14800 | 14500 | 3360 |
21 | 3050 | 3090 | 4360 | 9570 | 12200 | 39600 | 23300 | 26200 | 61200 | 11900 | 12200 | 3550 |
22 | 3190 | 3160 | 4350 | 8690 | 14200 | 46900 | 22600 | 21400 | 52300 | 10300 | 11200 | 3900 |
23 | 2990 | 3030 | 4280 | 8140 | 15200 | 48300 | 22200 | 19900 | 45100 | 12800 | 10400 | 3390 |
24 | 2930 | 3110 | 4330 | 7920 | 15200 | 48300 | 21600 | 23900 | 39100 | 23800 | 10100 | 3220 |
25 | 2900 | 3340 | 4690 | 7750 | 13700 | 46500 | 21000 | 25100 | 33700 | 27700 | 9680 | 3270 |
26 | 3010 | 3760 | 5930 | 7770 | 11700 | 42100 | 20200 | 24100 | 30300 | 30700 | 9480 | 3220 |
27 | 3300 | 3720 | 7560 | 7600 | 9780 | 37000 | 18600 | 19700 | 27200 | 34500 | 9500 | 3270 |
28 | 3440 | 3460 | 9300 | 7370 | 8370 | 33400 | 16700 | 16200 | 25000 | 36800 | 9290 | 3300 |
29 | 3410 | 3320 | 8780 | 7280 | --- | 36200 | 15400 | 13800 | 25200 | 34000 | 9080 | 3050 |
30 | 3260 | 3330 | 7620 | 7680 | --- | 41900 | 15900 | 12800 | e24600 | 28400 | 9070 | 2970 |
31 | 3180 | --- | 6930 | 8570 | --- | 44800 | --- | 12900 | --- | 22500 | 8960 | --- |
TOTAL | 85590 | 99040 | 168030 | 420830 | 238940 | 796460 | 816900 | 788400 | 1051380 | 765700 | 543160 | 155410 |
MEAN | 2761 | 3301 | 5420 | 13580 | 8534 | 25690 | 27230 | 25430 | 35050 | 24700 | 17520 | 5180 |
MAX | 3440 | 3760 | 9300 | 28600 | 15200 | 48300 | 45000 | 40800 | 83300 | 36800 | 29900 | 9360 |
MIN | 2350 | 3030 | 4250 | 4850 | 5440 | 5720 | 15400 | 12800 | 7550 | 10300 | 8960 | 2970 |
CFSM | .23 | .27 | .44 | 1.11 | .70 | 2.10 | 2.22 | 2.07 | 2.86 | 2.01 | 1.43 | .42 |
IN. | .26 | .30 | .51 | 1.28 | .72 | 2.42 | 2.48 | 2.39 | 3.19 | 2.32 | 1.65 | .47 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1928 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 4639 | 6789 | 10380 | 13920 | 15450 | 18930 | 19280 | 15640 | 12030 | 8267 | 5091 | 4073 |
MAX | 18880 | 40220 | 44490 | 77540 | 47990 | 51250 | 41940 | 64810 | 44130 | 27840 | 21330 | 21440 |
(WY) | 1991 | 1993 | 1928 | 1950 | 1950 | 1982 | 1938 | 1943 | 1958 | 1957 | 1958 | 1989 |
MIN | 1103 | 1405 | 1145 | 1216 | 1998 | 2645 | 5250 | 2405 | 1492 | 1292 | 1002 | 966 |
(WY) | 1957 | 1954 | 1964 | 1977 | 1963 | 1941 | 1931 | 1934 | 1934 | 1936 | 1941 | 1941 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1928 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 4646510 | 5929840 | ||||
ANNUAL MEAN | 12730 | 16250 | 11180 | |||
HIGHEST ANNUAL MEAN | 22800 | 1950 | ||||
LOWEST ANNUAL MEAN | 2864 | 1931 | ||||
HIGHEST DAILY MEAN | 65800 | Mar 3 | 83300 | Jun 17 | 186000 | May 20 1943 |
LOWEST DAILY MEAN | 2350 | Oct 17 | 2350 | Oct 17 | 701 | Aug 3 1934 |
ANNUAL SEVEN-DAY MINIMUM | 2410 | Oct 11 | 2410 | Oct 11 | 732 | Sep 24 1941 |
INSTANTANEOUS PEAK FLOW | 84600 | Jun 17 | 189000 | May 20 1943 | ||
INSTANTANEOUS PEAK STAGE | 23.89 | Jun 17 | 30.50 | May 20 1943 | ||
ANNUAL RUNOFF (CFSM) | 1.04 | 1.32 | .91 | |||
ANNUAL RUNOFF (INCHES) | 14.10 | 17.99 | 12.39 | |||
10 PERCENT EXCEEDS | 29300 | 34000 | 27600 | |||
50 PERCENT EXCEEDS | 7310 | 9770 | 6470 | |||
90 PERCENT EXCEEDS | 3020 | 3170 | 1990 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |