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 | 1360 | 1690 | 3030 | 3980 | 7220 | 6450 | 17700 | 11000 | 4080 | 7630 | 1820 | 1130 |
2 | 1350 | 1570 | 3190 | 4040 | 8000 | 6230 | 16800 | 12400 | 3900 | 8090 | 1630 | 1080 |
3 | 1300 | 1600 | 3250 | 3760 | 8120 | 6080 | 15200 | 12400 | 3630 | 7520 | 1460 | 1130 |
4 | 1360 | 1610 | 3200 | 5930 | 7550 | 5890 | 13900 | 12400 | 3420 | 6760 | 2800 | 1190 |
5 | 1430 | 1640 | 3060 | 11200 | 7120 | 5690 | 12600 | 13800 | 3340 | 7320 | 8300 | 1110 |
6 | 1410 | 1660 | 2830 | 14500 | 6680 | 5460 | 11700 | 16600 | 3320 | 8710 | 6510 | 1150 |
7 | 1380 | 1700 | 2670 | 15600 | 6370 | 5220 | 11000 | 27900 | 3220 | 10400 | 5120 | 1130 |
8 | 1360 | 1700 | 2510 | 17400 | 6080 | 5400 | 10800 | 37900 | 3150 | 14200 | 5800 | 1440 |
9 | 1370 | 1710 | 2400 | 22200 | 5830 | 10100 | 11400 | 30600 | 3610 | 15600 | 6960 | 1350 |
10 | 1390 | 1710 | 2490 | 21200 | 5600 | 15100 | 12100 | 27900 | 4110 | 16600 | 6490 | 1240 |
11 | 1260 | 1630 | 2430 | 19300 | 6160 | 16700 | 12700 | 26200 | 8960 | 15600 | 5720 | 1190 |
12 | 1150 | 1620 | 2400 | 17700 | 10700 | 16400 | 12500 | 23400 | 21300 | 13400 | 5050 | 1180 |
13 | 1140 | 1440 | 2320 | 15900 | 9890 | 15900 | 11500 | 20300 | 18900 | 10200 | 4230 | 1200 |
14 | 1130 | 1420 | 2270 | 13700 | 8810 | 14900 | 11200 | 16900 | 17600 | 7320 | 3480 | 1210 |
15 | 1090 | 1420 | 2220 | 12600 | 8280 | 13800 | 11700 | 13600 | 16600 | 5540 | 2880 | 1170 |
16 | 1060 | 1430 | 2220 | 11600 | 7810 | 13200 | 12100 | 11400 | 15200 | 4370 | 2450 | 1110 |
17 | 1030 | 1400 | 2120 | 10600 | 7860 | 14000 | 12600 | 9690 | 14500 | 3650 | 2180 | 972 |
18 | 1030 | 1420 | 2110 | 9850 | 9800 | 28400 | 12600 | 8510 | 13600 | 3150 | 2040 | 969 |
19 | 1010 | 1490 | 2160 | 9060 | 10300 | 34100 | 11900 | 7350 | 13300 | e2900 | 1940 | 768 |
20 | 1110 | 1510 | 2210 | 8440 | 10000 | 30900 | 10800 | 6840 | 12900 | e2750 | 1710 | 859 |
21 | 1150 | 1550 | 2360 | 7740 | 9530 | 30600 | 11800 | 6830 | 12100 | e2750 | 1460 | 967 |
22 | 1150 | 1530 | 2310 | 7210 | 8850 | 30700 | 12000 | 7080 | 10900 | e3000 | 1390 | 938 |
23 | 1140 | 1610 | 2440 | 6770 | 8300 | 28700 | 11400 | 6480 | 9170 | 3870 | 1310 | 879 |
24 | 1190 | 1640 | 2940 | 6470 | 7860 | 26300 | 10600 | 6000 | 7600 | 4560 | 1300 | 908 |
25 | 1080 | 1680 | 3850 | 6180 | 7480 | 23700 | 9970 | 6000 | 6660 | 5000 | 1320 | 984 |
26 | 1100 | 1560 | 5110 | 5900 | 7090 | 21100 | 9490 | 6080 | 5800 | 4650 | 1370 | 957 |
27 | 1250 | 1580 | 4930 | 5540 | 6910 | 18300 | 8970 | 5720 | 4840 | 4090 | 1380 | 896 |
28 | 1490 | 1750 | 4960 | 5390 | 6690 | 16100 | 8310 | 5160 | 4230 | 3520 | 1300 | 876 |
29 | 1590 | 2580 | 4880 | 5510 | --- | 16000 | 8050 | 4740 | 3940 | 2930 | 1250 | 913 |
30 | 1650 | 2740 | 4720 | 5880 | --- | 16700 | 8950 | 4560 | 5820 | 2410 | 1230 | 852 |
31 | 1690 | --- | 4370 | 6400 | --- | 17000 | --- | 4280 | --- | 2050 | 1190 | --- |
TOTAL | 39200 | 49590 | 93960 | 317550 | 220890 | 515120 | 352340 | 410020 | 259700 | 210540 | 93070 | 31748 |
MEAN | 1265 | 1653 | 3031 | 10240 | 7889 | 16620 | 11740 | 13230 | 8657 | 6792 | 3002 | 1058 |
MAX | 1690 | 2740 | 5110 | 22200 | 10700 | 34100 | 17700 | 37900 | 21300 | 16600 | 8300 | 1440 |
MIN | 1010 | 1400 | 2110 | 3760 | 5600 | 5220 | 8050 | 4280 | 3150 | 2050 | 1190 | 768 |
CFSM | .25 | .32 | .59 | 1.99 | 1.53 | 3.23 | 2.28 | 2.57 | 1.68 | 1.32 | .58 | .21 |
IN. | .28 | .36 | .68 | 2.29 | 1.60 | 3.72 | 2.55 | 2.96 | 1.88 | 1.52 | .67 | .23 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1934 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 2293 | 3316 | 4404 | 4968 | 5943 | 7981 | 8110 | 7073 | 5532 | 3511 | 1982 | 1893 |
MAX | 15570 | 15530 | 18150 | 17270 | 13870 | 22730 | 18360 | 21480 | 14320 | 12710 | 5793 | 14370 |
(WY) | 1994 | 1986 | 1983 | 1993 | 1968 | 1982 | 1950 | 1943 | 1993 | 1993 | 1990 | 1993 |
MIN | 515 | 605 | 637 | 700 | 709 | 1443 | 2359 | 1820 | 957 | 463 | 451 | 482 |
(WY) | 1964 | 1954 | 1964 | 1945 | 1963 | 1957 | 1940 | 1958 | 1936 | 1936 | 1988 | 1941 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1934 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 2282290 | 2593728 | ||||
ANNUAL MEAN | 6253 | 7106 | 4747 | |||
HIGHEST ANNUAL MEAN | 10380 | 1993 | ||||
LOWEST ANNUAL MEAN | 1407 | 1964 | ||||
HIGHEST DAILY MEAN | 34400 | Feb 22 | 37900 | May 8 | 55100 | Nov 28 1990 |
LOWEST DAILY MEAN | 1010 | Oct 19 | 768 | Sep 19 | 270 | Jan 1 1940 |
ANNUAL SEVEN-DAY MINIMUM | 1070 | Oct 14 | 898 | Sep 18 | 340 | Aug 2 1988 |
INSTANTANEOUS PEAK FLOW | 39800 | May 8 | 75900 A | Jul 13 1957 | ||
INSTANTANEOUS PEAK STAGE | 7.56 | May 8 | 13.88 B | Jan 30 1968 | ||
INSTANTANEOUS LOW FLOW | 669 | Sep 19 | 204 | Aug 1, 1936 | ||
ANNUAL RUNOFF (CFSM) | 1.21 | 1.38 | .92 | |||
ANNUAL RUNOFF (INCHES) | 16.49 | 18.74 | 12.52 | |||
10 PERCENT EXCEEDS | 13600 | 16000 | 10800 | |||
50 PERCENT EXCEEDS | 4550 | 5160 | 3080 | |||
90 PERCENT EXCEEDS | 1500 | 1180 | 877 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |