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 | 845 | 868 | 928 | e1050 | 5160 | 2500 | 2170 | 6450 | 2460 | 1910 | 867 | 657 |
2 | 825 | 877 | 948 | e870 | 5130 | 2540 | 2130 | 6180 | 2800 | 2360 | 895 | 611 |
3 | 881 | 878 | 986 | e810 | 5020 | 2650 | 2110 | 5930 | 2570 | 2640 | 942 | 581 |
4 | 905 | 851 | 998 | e820 | 4620 | 2730 | 2120 | 5690 | 2340 | 2770 | 934 | 563 |
5 | 907 | 834 | 1050 | e880 | 4280 | 2760 | 2090 | 5480 | 2250 | 2780 | 808 | 569 |
6 | 925 | 829 | 1100 | e950 | 4020 | 2910 | 2080 | 5260 | 2130 | 2670 | 779 | 562 |
7 | 940 | 823 | 1300 | e1030 | 3850 | 3040 | 2110 | 4950 | 1990 | 2420 | 754 | 547 |
8 | 983 | 833 | 1380 | e1050 | 3860 | 3070 | 2130 | 4590 | 1850 | 2120 | 736 | 519 |
9 | 1050 | 831 | 1380 | e1020 | 3890 | 3120 | 2230 | 4270 | 1740 | 1840 | 740 | 491 |
10 | 1050 | 906 | 1380 | e1000 | 3800 | 3160 | 2260 | 3960 | 1820 | 1660 | 707 | 483 |
11 | 1040 | 973 | 1360 | e980 | 3690 | 3150 | 2300 | 3650 | 1800 | 1500 | 665 | 477 |
12 | 1010 | 983 | 1320 | e960 | 3690 | 3050 | 2500 | 3450 | 2870 | 1400 | 677 | 448 |
13 | 963 | 1010 | 1270 | e940 | 3620 | 2940 | 2710 | 3480 | 3250 | 1300 | 715 | 427 |
14 | 931 | 1030 | 1230 | e930 | 3510 | 2830 | 2860 | 3450 | 3350 | 1200 | 727 | 425 |
15 | 902 | 1050 | 1210 | e920 | 3410 | 2750 | 3020 | 3250 | 2760 | 1130 | 713 | 429 |
16 | 880 | 1050 | 1190 | e910 | 3300 | 2770 | 4270 | 3100 | 2470 | 1030 | 704 | 446 |
17 | 892 | 1010 | 1140 | e910 | 3200 | 3310 | 4820 | 2930 | 2300 | 986 | 639 | 450 |
18 | 904 | 979 | 1120 | e900 | 3080 | 3240 | 4420 | 2790 | 2140 | 984 | 561 | 453 |
19 | 892 | 940 | 1110 | e1050 | 2980 | 3070 | 4170 | 2650 | 1960 | 980 | 564 | 501 |
20 | 901 | 930 | 1070 | e1500 | 2870 | 3060 | 3990 | 2540 | 1810 | 949 | 606 | 508 |
21 | 907 | 912 | 1060 | e2200 | 2760 | 3080 | 4060 | 2470 | 1710 | 1000 | 637 | 502 |
22 | 886 | 898 | 1020 | e2800 | 2670 | 3110 | 5040 | 2440 | 1610 | 1050 | 641 | 510 |
23 | 859 | 906 | e980 | e3700 | 2560 | 3080 | 7880 | 2380 | 1490 | 1060 | 634 | 508 |
24 | 850 | 907 | e930 | e4400 | 2460 | 2950 | 7680 | 2350 | 1390 | 1260 | 669 | 496 |
25 | 838 | 920 | e840 | e5100 | 2380 | 2800 | 6650 | 2280 | 1380 | 1230 | 729 | 482 |
26 | 817 | 919 | e780 | e5600 | 2320 | 2680 | 6000 | 2260 | 1430 | 1100 | 751 | 472 |
27 | 837 | 911 | e750 | e5900 | 2340 | 2580 | 5700 | 2250 | 1560 | 998 | 767 | 462 |
28 | 844 | 899 | e760 | 6000 | 2410 | 2470 | 7560 | 2230 | 1640 | 908 | 795 | 514 |
29 | 848 | 906 | e800 | 5560 | --- | 2360 | 7370 | 2130 | 1690 | 857 | 789 | 573 |
30 | 858 | 917 | e850 | 5360 | --- | 2250 | 6760 | 2010 | 1680 | 808 | 740 | 623 |
31 | 858 | --- | e960 | 5240 | --- | 2200 | --- | 1980 | --- | 774 | 693 | --- |
TOTAL | 28028 | 27580 | 33200 | 71340 | 96880 | 88210 | 121190 | 108830 | 62240 | 45674 | 22578 | 15289 |
MEAN | 904 | 919 | 1071 | 2301 | 3460 | 2845 | 4040 | 3511 | 2075 | 1473 | 728 | 510 |
MAX | 1050 | 1050 | 1380 | 6000 | 5160 | 3310 | 7880 | 6450 | 3350 | 2780 | 942 | 657 |
MIN | 817 | 823 | 750 | 810 | 2320 | 2200 | 2080 | 1980 | 1380 | 774 | 561 | 425 |
CFSM | .39 | .40 | .47 | 1.00 | 1.51 | 1.24 | 1.76 | 1.53 | .90 | .64 | .32 | .22 |
IN. | .45 | .45 | .54 | 1.16 | 1.57 | 1.43 | 1.97 | 1.76 | 1.01 | .74 | .37 | .25 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1905 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 1199 | 1565 | 2000 | 2246 | 2491 | 3284 | 3511 | 2906 | 2198 | 1488 | 1092 | 987 |
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 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1905 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 975176 | 721039 | ||||
ANNUAL MEAN | 2672 | 1975 | 2089 | |||
HIGHEST ANNUAL MEAN | 3743 | 1991 | ||||
LOWEST ANNUAL MEAN | 857 | 1964 | ||||
HIGHEST DAILY MEAN | 9730 | Mar 19 | 7880 | Apr 23 | 14800 | Mar 7 1979 |
LOWEST DAILY MEAN | 750 A | Dec 27 | 425 | Sep 14 | 248 | Aug 7 1988 |
ANNUAL SEVEN-DAY MINIMUM | 816 | Dec 24 | 440 | Sep 12 | 271 | Aug 3 1988 |
INSTANTANEOUS PEAK FLOW | 8510 B | Apr 23 | 16000 A | Mar 6 1979 | ||
INSTANTANEOUS PEAK STAGE | 8.83 C | Jan 24 | 10.51 D | Mar 6 1979 | ||
INSTANTANEOUS LOW FLOW | 420 | Sep 13-15 | 243 | Aug 7 1988 | ||
ANNUAL RUNOFF (CFSM) | 1.16 | .86 | .91 | |||
ANNUAL RUNOFF (INCHES) | 15.81 | 11.69 | 12.37 | |||
10 PERCENT EXCEEDS | 5170 | 4040 | 4320 | |||
50 PERCENT EXCEEDS | 2310 | 1260 | 1590 | |||
90 PERCENT EXCEEDS | 885 | 651 | 658 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |