DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 445 | 481 | 491 | 390 | 450 | 1280 | 2160 | 1380 | 1110 | 2110 | 789 | 748 |
2 | 438 | 487 | 511 | 390 | 460 | 1200 | 2490 | 1360 | 1140 | 2120 | 775 | 729 |
3 | 432 | 485 | 483 | 400 | 490 | 1060 | 3140 | 1370 | 1070 | 1880 | 763 | 716 |
4 | 433 | 484 | 479 | 480 | 480 | 977 | 3670 | 1380 | 1010 | 1630 | 768 | 715 |
5 | 429 | 480 | 484 | 580 | 470 | 921 | 3530 | 1390 | 970 | 1580 | 889 | 714 |
6 | 423 | 482 | 468 | 684 | 450 | 871 | 3010 | 1320 | 947 | 1690 | 1210 | 701 |
7 | 419 | 498 | 455 | 724 | 450 | 830 | 2490 | 1290 | 928 | 1690 | 1320 | 688 |
8 | 413 | 501 | 443 | 691 | 450 | 827 | 2160 | 1400 | 910 | 1580 | 1170 | 679 |
9 | 418 | 493 | 443 | 626 | 460 | 841 | 2090 | 1500 | 917 | 1420 | 1070 | 674 |
10 | 421 | 481 | 444 | 440 | 470 | 791 | 2060 | 1540 | 936 | 1300 | 951 | 656 |
11 | 429 | 472 | 454 | 420 | 480 | 702 | 2010 | 1420 | 993 | 1220 | 882 | 638 |
12 | 432 | 466 | 445 | 450 | 600 | 640 | 1910 | 1310 | 1180 | 1150 | 847 | 636 |
13 | 446 | 461 | 438 | 430 | 681 | 620 | 1760 | 1280 | 1380 | 1100 | 817 | 632 |
14 | 475 | 455 | 413 | 420 | 680 | 600 | 1720 | 1230 | 1350 | 1070 | 793 | 724 |
15 | 497 | 454 | 375 | 400 | 642 | 600 | 1670 | 1180 | 1170 | 1040 | 786 | 1200 |
16 | 481 | 447 | 440 | 390 | 630 | 620 | 1810 | 1140 | 1080 | 1010 | 789 | 1480 |
17 | 450 | 447 | 445 | 400 | 663 | 640 | 1930 | 1140 | 1080 | 980 | 798 | 1390 |
18 | 439 | 441 | 437 | 400 | 720 | 769 | 2020 | 1120 | 1090 | 953 | 799 | 1070 |
19 | 435 | 432 | 436 | 410 | 736 | 954 | 2060 | 1070 | 1640 | 957 | 806 | 896 |
20 | 434 | 444 | 438 | 420 | 701 | 1100 | 1980 | 1040 | 1820 | 962 | 789 | 821 |
21 | 432 | 448 | 430 | 420 | 664 | 1110 | 1910 | 1010 | 1950 | 1020 | 770 | 783 |
22 | 427 | 446 | 419 | 420 | 638 | 1070 | 1850 | 994 | 2040 | 1060 | 754 | 760 |
23 | 427 | 439 | 417 | 430 | 620 | 1040 | 1780 | 982 | 1940 | 1060 | 749 | 735 |
24 | 431 | 410 | 431 | 430 | 627 | 1010 | 1700 | 1110 | 1640 | 973 | 747 | 719 |
25 | 435 | 425 | 439 | 430 | 636 | 985 | 1590 | 1240 | 1410 | 918 | 787 | 719 |
26 | 442 | 468 | 427 | 430 | 637 | 963 | 1540 | 1290 | 1310 | 883 | 786 | 741 |
27 | 446 | 466 | 400 | 440 | 771 | 956 | 1570 | 1180 | 1290 | 859 | 763 | 730 |
28 | 466 | 445 | 380 | 440 | 1070 | 948 | 1570 | 1080 | 1670 | 855 | 781 | 708 |
29 | 484 | 442 | 410 | 450 | --- | 913 | 1510 | 1060 | 1890 | 839 | 843 | 687 |
30 | 480 | 456 | 400 | 450 | --- | 881 | 1430 | 1150 | 1990 | 821 | 887 | 672 |
31 | 478 | --- | 390 | 450 | --- | 1550 | --- | 1130 | --- | 805 | 815 | --- |
TOTAL | 13737 | 13836 | 13565 | 14335 | 16826 | 28269 | 62120 | 38086 | 39851 | 37535 | 26493 | 23761 |
MEAN | 443 | 461 | 438 | 462 | 601 | 912 | 2071 | 1229 | 1328 | 1211 | 855 | 792 |
MAX | 497 | 501 | 511 | 724 | 1070 | 1550 | 3670 | 1540 | 2040 | 2120 | 1320 | 1480 |
MIN | 413 | 410 | 375 | 390 | 450 | 600 | 1430 | 982 | 910 | 805 | 747 | 632 |
CFSM | .43 | .45 | .42 | .45 | .58 | .88 | 2.00 | 1.19 | 1.28 | 1.17 | .83 | .77 |
IN. | .49 | .50 | .49 | .52 | .61 | 1.02 | 2.23 | 1.37 | 1.43 | 1.35 | .95 | .85 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 527 | 584 | 513 | 586 | 811 | 1404 | 969 | 794 | 811 | 790 | 579 | 571 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1940 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 265599 | 328414 | ||||
ANNUAL MEAN | 728 | 900 | 745 | |||
HIGHEST ANNUAL MEAN | 1720 | 1993 | ||||
LOWEST ANNUAL MEAN | 292 | 1964 | ||||
HIGHEST DAILY MEAN | (a)4900 | Feb 23 | 3670 | Apr 4 | 14600 | Jul 1 1969 |
LOWEST DAILY MEAN | (b)375 | Dec 15 | (b)375 | Dec 15 | 132 | Nov 7 1949 |
ANNUAL SEVEN-DAY MINIMUM | (a)407 | Dec 25 | (a)394 | Dec 27 | (a)140 | Jan 18 1959 |
INSTANTANEOUS PEAK FLOW | 3730 | Apr 4 | 15100 | Jul 1 1969 | ||
INSTANTANEOUS PEAK STAGE | 14.54 | Apr 4 | 21.46 | Jul 1 1969 | ||
INSTANTANEOUS LOW FLOW | (c).00 | Dec 14 1939 | ||||
ANNUAL RUNOFF (CFSM) | .70 | .87 | .72 | |||
ANNUAL RUNOFF (INCHES) | 9.56 | 11.82 | 9.78 | |||
10 PERCENT EXCEEDS | 1050 | 1650 | 1330 | |||
50 PERCENT EXCEEDS | 577 | 763 | 520 | |||
90 PERCENT EXCEEDS | 438 | 430 | 255 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |