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 | 674 | 745 | 668 | 560 | 898 | 779 | 640 | 2600 | 1350 | 1110 | 1230 | 720 |
2 | 682 | 725 | 662 | 580 | 950 | 758 | 645 | 2250 | 1480 | 1190 | 1370 | 715 |
3 | 700 | 708 | 651 | 580 | 1220 | 728 | 668 | 1970 | 1680 | 1250 | 1150 | 708 |
4 | 707 | 694 | 645 | 580 | 1360 | 704 | 835 | 1760 | 1760 | 1170 | 994 | 700 |
5 | 792 | 689 | 642 | 580 | 1250 | 686 | 1090 | 1640 | 1770 | 1120 | 932 | 694 |
6 | 1150 | 679 | 642 | 580 | 1070 | 679 | 1110 | 1570 | 1730 | 1080 | 900 | 685 |
7 | 1190 | 670 | 656 | 580 | 929 | 659 | 1030 | 1560 | 1720 | 1020 | 883 | 678 |
8 | 1050 | 665 | 651 | 580 | 867 | 645 | 991 | 1540 | 1650 | 995 | 880 | 673 |
9 | 913 | 663 | 635 | 580 | 868 | 595 | 1410 | 1500 | 1640 | 976 | 884 | 684 |
10 | 830 | 817 | 624 | 560 | 960 | 600 | 1730 | 1420 | 1610 | 1000 | 873 | 687 |
11 | 782 | 1020 | 617 | 560 | 1120 | 640 | 1810 | 1340 | 1770 | 986 | 859 | 676 |
12 | 752 | 1210 | 612 | 560 | 1390 | 620 | 1750 | 1300 | 1810 | 937 | 865 | 667 |
13 | 728 | 1090 | 607 | 560 | 1580 | 620 | 1570 | 1300 | 1880 | 919 | 880 | 661 |
14 | 715 | 945 | 604 | 560 | 1460 | 620 | 1390 | 1270 | 1980 | 900 | 886 | 658 |
15 | 702 | 875 | 601 | 560 | 1190 | 620 | 1260 | 1230 | 1900 | 886 | 855 | 657 |
16 | 697 | 839 | 600 | 560 | 1070 | 640 | 1230 | 1190 | 1740 | 874 | 819 | 650 |
17 | 732 | 807 | 598 | 560 | 1000 | 782 | 1190 | 1910 | 1550 | 996 | 799 | 641 |
18 | 1120 | 783 | 599 | 560 | 933 | 918 | 1140 | 3430 | 1440 | 1030 | 788 | 632 |
19 | 1260 | 764 | 602 | 560 | 876 | 940 | 1070 | 5290 | 1360 | 1120 | 801 | 625 |
20 | 1140 | 747 | 618 | 560 | 833 | 841 | 1030 | 5530 | 1300 | 1180 | 815 | 621 |
21 | 973 | 732 | 616 | 560 | 790 | 771 | 1020 | 4960 | 1260 | 1310 | 821 | 617 |
22 | 883 | 716 | 470 | 600 | 742 | 745 | 1120 | 4160 | 1240 | 1390 | 788 | 614 |
23 | 837 | 708 | 500 | 900 | 736 | 722 | 1840 | 3370 | 1390 | 1440 | 787 | 609 |
24 | 802 | 701 | 660 | 1400 | 735 | 702 | 2180 | 2810 | 1380 | 1430 | 916 | 606 |
25 | 778 | 693 | 620 | 1530 | 725 | 686 | 2560 | 2360 | 1300 | 1190 | 1020 | 603 |
26 | 760 | 682 | 600 | 1310 | 721 | 670 | 3150 | 2040 | 1220 | 1070 | 939 | 598 |
27 | 759 | 675 | 600 | 1090 | 750 | 657 | 3430 | 1810 | 1170 | 1080 | 844 | 610 |
28 | 768 | 668 | 600 | 1100 | 770 | 653 | 3390 | 1640 | 1140 | 1120 | 796 | 710 |
29 | 785 | 662 | 600 | 1140 | --- | 654 | 3080 | 1520 | 1110 | 1070 | 767 | 806 |
30 | 785 | 666 | 600 | 1070 | --- | 649 | 2850 | 1440 | 1090 | 980 | 739 | 769 |
31 | 764 | --- | 580 | 944 | --- | 644 | --- | 1380 | --- | 970 | 732 | --- |
TOTAL | 26210 | 23038 | 18980 | 23004 | 27793 | 21627 | 48209 | 69090 | 45420 | 33789 | 27612 | 19974 |
MEAN | 845 | 768 | 612 | 742 | 993 | 698 | 1607 | 2229 | 1514 | 1090 | 891 | 666 |
MAX | 1260 | 1210 | 668 | 1530 | 1580 | 940 | 3430 | 5530 | 1980 | 1440 | 1370 | 806 |
MIN | 674 | 662 | 470 | 560 | 721 | 595 | 640 | 1190 | 1090 | 874 | 732 | 598 |
CFSM | .82 | .74 | .59 | .72 | .96 | .67 | 1.55 | 2.16 | 1.46 | 1.05 | .86 | .64 |
IN. | .94 | .83 | .68 | .83 | 1.00 | .78 | 1.73 | 2.49 | 1.63 | 1.22 | .99 | .72 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 533 | 587 | 515 | 589 | 814 | 1392 | 979 | 818 | 823 | 795 | 584 | 572 |
MAX | 1226 | 2429 | 1492 | 2049 | 2512 | 3155 | 2943 | 3200 | 2075 | 5190 | 1752 | 1920 |
(WY) | 1987 | 1962 | 1983 | 1960 | 1953 | 1950 | 1960 | 1973 | 1993 | 1993 | 1993 | 1965 |
MIN | 187 | 211 | 162 | 147 | 182 | 259 | 328 | 234 | 233 | 181 | 167 | 166 |
(WY) | 1957 | 1965 | 1959 | 1959 | 1959 | 1957 | 1957 | 1958 | 1965 | 1965 | 1958 | 1958 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1940 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 355504 | 384746 | ||||
ANNUAL MEAN | 974 | 1054 | 750 | |||
HIGHEST ANNUAL MEAN | 1720 | 1993 | ||||
LOWEST ANNUAL MEAN | 292 | 1964 | ||||
HIGHEST DAILY MEAN | 3670 | Apr 4 | 5530 | May 20 | 14600 | Jul 1 1969 |
LOWEST DAILY MEAN | (a)390 | Jan 1,2,16 | (b)470 | Dec 22 | 132 | Nov 7 1949 |
ANNUAL SEVEN-DAY MINIMUM | (a)406 | Jan 14 | (a)560 | Jan 10 | (a)140 | Jan 18 1959 |
INSTANTANEOUS PEAK FLOW | 5610 | May 20 | 15100 | Jul 1 1969 | ||
INSTANTANEOUS PEAK STAGE | 16.49 | May 20 | 21.46 | Jul 1 1969 | ||
INSTANTANEOUS LOW FLOW | (c).00 | Dec 14 1939 | ||||
ANNUAL RUNOFF (CFSM) | .94 | 1.02 | .73 | |||
ANNUAL RUNOFF (INCHES) | 12.79 | 13.84 | 9.85 | |||
10 PERCENT EXCEEDS | 1650 | 1700 | 1350 | |||
50 PERCENT EXCEEDS | 805 | 839 | 524 | |||
90 PERCENT EXCEEDS | 480 | 601 | 255 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |