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 | 1240 | 1390 | 2280 | 2860 | 3320 | 3060 | 5980 | 4030 | 2190 | 2170 | 1100 | 1030 |
2 | 1220 | 1410 | 2330 | 2740 | 3430 | 3010 | 5940 | 3980 | 2120 | 2050 | 1030 | 1020 |
3 | 1220 | 1440 | 2340 | 2650 | 3450 | 2970 | 5610 | 3880 | 2050 | 1930 | 1020 | 1020 |
4 | 1220 | 1480 | 2340 | 3650 | 3420 | 2920 | 5340 | 3790 | 1990 | 1850 | 2720 | 991 |
5 | 1220 | 1480 | 2310 | 4630 | 3370 | 2850 | 5130 | 3750 | 1940 | 1990 | 3570 | 983 |
6 | 1190 | 1470 | 2210 | 5540 | 3320 | 2800 | 4940 | 3810 | 1920 | 2240 | 3250 | 966 |
7 | 1180 | 1430 | 2110 | 5480 | 3260 | 2740 | 4820 | 4750 | 1910 | 2730 | 3010 | 1090 |
8 | 1140 | 1440 | 2040 | 6410 | 3170 | 2810 | 4800 | 7060 | 1890 | 3280 | 3220 | 1120 |
9 | 1130 | 1440 | 1980 | 7750 | 3090 | 3840 | 4810 | 6830 | 2030 | 3270 | 3170 | 1050 |
10 | 1120 | 1420 | 1960 | 7150 | 3020 | 4130 | 4850 | 6280 | 2050 | 3290 | 2950 | 1020 |
11 | 1120 | 1390 | 1950 | 6510 | 3160 | 4290 | 4740 | 5760 | 2250 | 3210 | 2810 | 1020 |
12 | 1080 | 1350 | 1900 | 6080 | 3890 | 4390 | 4590 | 5240 | 2990 | 3130 | 2570 | 1030 |
13 | 1080 | 1320 | 1850 | 5840 | 3630 | 4470 | 4480 | 4830 | 3020 | 2980 | 2310 | 1050 |
14 | 1070 | 1310 | 1810 | 5740 | 3520 | 4480 | 4660 | 4400 | 3030 | 2720 | 2060 | 1020 |
15 | 1040 | 1320 | 1770 | 5520 | 3470 | 4470 | 4880 | 4110 | 3040 | 2410 | 1850 | 1030 |
16 | 1010 | 1310 | 1750 | 5370 | 3440 | 4460 | 5110 | 3850 | 3070 | 2170 | 1650 | 992 |
17 | 994 | 1260 | 1750 | 5250 | 3500 | 4740 | 5220 | 3620 | 3170 | 1950 | 1510 | 930 |
18 | 989 | 1280 | 1740 | 5080 | 3920 | 8040 | 5130 | 3410 | 3100 | 1760 | 1410 | 903 |
19 | 987 | 1310 | 1740 | 4890 | 3830 | 9730 | 4980 | 3230 | 3020 | 1660 | 1310 | 883 |
20 | 1000 | 1320 | 1820 | 4610 | 3670 | 8700 | 4830 | 3130 | 2910 | 1610 | 1220 | 892 |
21 | 1010 | 1330 | 1840 | 4340 | 3580 | 8000 | 4940 | 3110 | 2780 | 1610 | 1140 | 892 |
22 | 989 | 1340 | 1820 | 4140 | 3530 | 7710 | 5140 | 3020 | 2650 | 1780 | 1100 | 862 |
23 | 1010 | 1390 | 2000 | 4010 | 3490 | 7140 | 4930 | 2910 | 2540 | 1880 | 1130 | 872 |
24 | 1010 | 1440 | 2120 | 3910 | 3430 | 6730 | 4660 | 2800 | 2400 | 1850 | 1160 | 865 |
25 | 1030 | 1430 | 2670 | 3740 | 3350 | 6420 | 4420 | 2670 | 2260 | 1750 | 1240 | 883 |
26 | 1040 | 1440 | 2830 | 3490 | 3270 | 6130 | 4280 | 2570 | 2100 | 1600 | 1210 | 894 |
27 | 1170 | 1460 | 2830 | 3400 | 3200 | 5860 | 4140 | 2500 | 1960 | 1490 | 1130 | 894 |
28 | 1320 | 1610 | 2870 | 3330 | 3130 | 5770 | 3990 | 2440 | 1820 | 1400 | 1130 | 862 |
29 | 1360 | 1920 | 2960 | 3290 | --- | 5810 | 3950 | 2380 | 1790 | 1300 | 1150 | 823 |
30 | 1400 | 2200 | 3010 | 3270 | --- | 5740 | 3950 | 2310 | 2310 | 1220 | 1130 | 821 |
31 | 1400 | --- | 2960 | 3270 | --- | 5650 | --- | 2250 | --- | 1150 | 1070 | --- |
TOTAL | 34989 | 43130 | 67890 | 143940 | 95860 | 159860 | 145240 | 118700 | 72300 | 65430 | 56330 | 28708 |
MEAN | 1129 | 1438 | 2190 | 4643 | 3424 | 5157 | 4841 | 3829 | 2410 | 2111 | 1817 | 957 |
MAX | 1400 | 2200 | 3010 | 7750 | 3920 | 9730 | 5980 | 7060 | 3170 | 3290 | 3570 | 1120 |
MIN | 987 | 1260 | 1740 | 2650 | 3020 | 2740 | 3950 | 2250 | 1790 | 1150 | 1020 | 821 |
CFSM | .49 | .63 | .95 | 2.02 | 1.49 | 2.25 | 2.11 | 1.67 | 1.05 | .92 | .79 | .42 |
IN. | .57 | .70 | 1.10 | 2.33 | 1.55 | 2.59 | 2.36 | 1.92 | 1.17 | 1.06 | .91 | .47 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1905 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 1203 | 1573 | 2011 | 2246 | 2480 | 3289 | 3504 | 2899 | 2199 | 1489 | 1096 | 992 |
MAX | 4739 | 4731 | 6759 | 6250 | 5136 | 7485 | 7438 | 5936 | 5966 | 4471 | 3530 | 4014 |
(WY) | 1994 | 1991 | 1928 | 1991 | 1968 | 1982 | 1950 | 1943 | 1997 | 1996 | 1996 | 1993 |
MIN | 429 | 511 | 547 | 404 | 498 | 1001 | 862 | 883 | 640 | 434 | 378 | 369 |
(WY) | 1964 | 1965 | 1964 | 1918 | 1963 | 1957 | 1915 | 1934 | 1934 | 1988 | 1988 | 1919 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1905 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1160449 | 1032377 | ||||
ANNUAL MEAN | 3179 | 2828 | 2090 | |||
HIGHEST ANNUAL MEAN | 3743 | 1991 | ||||
LOWEST ANNUAL MEAN | 857 | 1964 | ||||
HIGHEST DAILY MEAN | 9400 | Feb 27 | 9730 | Mar 19 | 14800 | Mar 7 1979 |
LOWEST DAILY MEAN | 987 | Oct 19 | 821 | Sep 30 | 248 | Aug 7 1988 |
ANNUAL SEVEN-DAY MINIMUM | 997 | Oct 16 | 863 | Sep 24 | 271 | Aug 3 1988 |
INSTANTANEOUS PEAK FLOW | 9990 | Mar 19 | 16000 A | Mar 6 1979 | ||
INSTANTANEOUS PEAK STAGE | 5.91 | Mar 19 | 10.51 B | Mar 6 1979 | ||
INSTANTANEOUS LOW FLOW | 810 | C | 243 | Aug. 7 1988 | ||
ANNUAL RUNOFF (CFSM) | 1.39 | 1.23 | .91 | |||
ANNUAL RUNOFF (INCHES) | 18.82 | 16.74 | 12.38 | |||
10 PERCENT EXCEEDS | 5970 | 5170 | 4330 | |||
50 PERCENT EXCEEDS | 2800 | 2500 | 1590 | |||
90 PERCENT EXCEEDS | 1320 | 1030 | 658 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |