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 | 357 | 719 | 710 | 502 | 2670 | 1390 | 562 | 3800 | 1510 | 1480 | 596 | 355 |
2 | 344 | 917 | 691 | e450 | 2620 | 1210 | 581 | 3580 | 1700 | 1180 | 567 | 351 |
3 | 388 | 920 | 644 | e460 | 2850 | 1200 | 650 | 3390 | 2010 | 1010 | 469 | 341 |
4 | 398 | 831 | 631 | e480 | 2940 | 1160 | 739 | 3210 | 2070 | 812 | 425 | 334 |
5 | 512 | 778 | 603 | e490 | 2850 | 1080 | 791 | 2970 | 2010 | 780 | 394 | 324 |
6 | 701 | 754 | 673 | e510 | 2830 | 1060 | 659 | 2580 | 1900 | 837 | 351 | 326 |
7 | 856 | 736 | 833 | e500 | 2910 | 1000 | 697 | 2310 | 1670 | 814 | 341 | 300 |
8 | 979 | 731 | 974 | e495 | 2590 | e960 | 808 | 1990 | 1480 | 751 | 387 | 231 |
9 | 978 | 716 | 989 | e510 | 2620 | e960 | 1210 | 1920 | 1310 | 676 | 357 | 195 |
10 | 958 | 669 | 996 | e505 | 2690 | e910 | 1480 | 1860 | 1100 | 663 | 336 | 182 |
11 | 942 | 1420 | 971 | e500 | 2320 | e940 | 1760 | 1810 | 997 | 599 | 351 | 192 |
12 | 880 | 1690 | 967 | e495 | 2620 | e940 | 1820 | 1830 | 1190 | 573 | 352 | 194 |
13 | 680 | 1870 | 963 | e480 | 2690 | e940 | 1820 | 1840 | 2190 | 469 | 355 | 204 |
14 | 569 | 1890 | 931 | e490 | 2620 | e940 | 1790 | 1780 | 3580 | 392 | 403 | 198 |
15 | 501 | 1910 | 913 | 497 | 2580 | 959 | 1810 | 1700 | 3980 | 342 | 358 | 209 |
16 | 370 | 1860 | 927 | 552 | 2570 | 882 | 2000 | 1650 | 4380 | 342 | 335 | 216 |
17 | 458 | 1820 | 919 | 618 | 2580 | 757 | 2150 | 1640 | 4660 | 420 | 348 | 209 |
18 | 1010 | 1730 | 873 | 605 | 2510 | 904 | 2180 | 1720 | 4710 | 451 | 350 | 198 |
19 | 1360 | 1650 | 910 | 501 | 2460 | 930 | 2080 | 1950 | 4670 | 465 | 416 | 192 |
20 | 1570 | 1650 | 891 | 524 | 2380 | 1090 | 1780 | 2090 | 4510 | 512 | 414 | 229 |
21 | 1610 | 1500 | 828 | 615 | 2270 | 1190 | 1730 | 2190 | 4280 | 551 | 384 | 218 |
22 | 1550 | 1200 | 579 | 850 | 2140 | e1180 | 1970 | 2330 | 4010 | 583 | 371 | 186 |
23 | 1390 | 1110 | 604 | 1330 | 1930 | e1120 | 3060 | 2310 | 3730 | 579 | 393 | 180 |
24 | 1110 | 947 | 601 | 1650 | 1530 | 1150 | 3820 | 2310 | 3480 | 642 | 448 | 221 |
25 | 1010 | 882 | 600 | 1930 | 1450 | 1140 | 3890 | 2260 | 3200 | 681 | 463 | 201 |
26 | 811 | 871 | 600 | 2080 | 1400 | 1110 | 3870 | 2230 | 2920 | 719 | 451 | 171 |
27 | 750 | 874 | 600 | 2080 | 1390 | 1080 | 3900 | 2140 | 2490 | 778 | 424 | 273 |
28 | 734 | 839 | 597 | 2460 | 1400 | 948 | 4140 | 2080 | 2080 | 745 | 421 | 743 |
29 | 712 | 712 | 593 | 2520 | --- | 898 | 4180 | 1880 | 1820 | 698 | 452 | 1280 |
30 | 690 | 716 | 531 | 2650 | --- | e744 | 4050 | 1740 | 1660 | 678 | 422 | 1410 |
31 | 683 | --- | 512 | 2880 | --- | e517 | --- | 1650 | --- | 606 | 382 | --- |
TOTAL | 25861 | 34912 | 23654 | 31209 | 66410 | 31289 | 61977 | 68740 | 81297 | 20828 | 12516 | 9863 |
MEAN | 834 | 1164 | 763 | 1007 | 2372 | 1009 | 2066 | 2217 | 2710 | 672 | 404 | 329 |
MAX | 1610 | 1910 | 996 | 2880 | 2940 | 1390 | 4180 | 3800 | 4710 | 1480 | 596 | 1410 |
MIN | 344 | 669 | 512 | 450 | 1390 | 517 | 562 | 1640 | 997 | 342 | 335 | 171 |
CFSM | .59 | .83 | .54 | .72 | 1.69 | .72 | 1.47 | 1.58 | 1.93 | .48 | .29 | .23 |
IN. | .69 | .93 | .63 | .83 | 1.76 | .83 | 1.64 | 1.82 | 2.16 | .55 | .33 | .26 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1916 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 614 | 813 | 787 | 724 | 871 | 1660 | 1723 | 1145 | 807 | 602 | 466 | 496 |
MAX | 3650 | 2492 | 3105 | 2675 | 3613 | 4162 | 4961 | 3786 | 3075 | 2902 | 2964 | 2926 |
(WY) | 1987 | 1986 | 1983 | 1960 | 1938 | 1918 | 1993 | 1973 | 1996 | 1938 | 1924 | 1972 |
MIN | 31.8 | 147 | 185 | 142 | 168 | 274 | 237 | 150 | 110 | 57.7 | 31.4 | 52.9 |
(WY) | 1957 | 1954 | 1940 | 1940 | 1940 | 1934 | 1934 | 1934 | 1934 | 1934 | 1934 | 1934 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1916 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 420516 | 468556 | ||||
ANNUAL MEAN | 1152 | 1284 | 892 | |||
HIGHEST ANNUAL MEAN | 1936 | 1993 | ||||
LOWEST ANNUAL MEAN | 202 | 1934 | ||||
HIGHEST DAILY MEAN | 2920 | Apr 22 | 4710 | Jun 18 | 6610 | Apr 2 1979 |
LOWEST DAILY MEAN | 271 | Sep 26 | 171 | Sep 26 | 12 | A |
ANNUAL SEVEN-DAY MINIMUM | 339 | Sep 24 | 196 | Sep 9 | 19 | Oct 16 1956 |
INSTANTANEOUS PEAK FLOW | 4710 | Jun 17 | 6610 | B | ||
INSTANTANEOUS PEAK STAGE | 3.30 | Jun 17 | 4.50 C | Apr 1 1916 | ||
INSTANTANEOUS LOW FLOW | 83 | Sep 26 | .00 | D | ||
ANNUAL RUNOFF (CFSM) | .82 | .91 | .64 | |||
ANNUAL RUNOFF (INCHES) | 11.15 | 12.42 | 8.64 | |||
10 PERCENT EXCEEDS | 2040 | 2630 | 2010 | |||
50 PERCENT EXCEEDS | 979 | 927 | 599 | |||
90 PERCENT EXCEEDS | 406 | 352 | 189 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |