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 | 75 | 140 | 431 | 284 | 728 | 462 | 2420 | 1260 | 360 | 2290 | 222 | 67 |
2 | 75 | 129 | 400 | 263 | 734 | 430 | 2300 | 1350 | 341 | 2380 | 196 | 62 |
3 | 75 | 129 | 337 | 286 | 709 | 409 | 2120 | 1350 | 317 | 2200 | 175 | 61 |
4 | 75 | 135 | 287 | 476 | 669 | 395 | 1950 | 1870 | 299 | 2460 | 167 | 60 |
5 | 75 | 136 | 257 | 1030 | 627 | 377 | 1760 | 2150 | 288 | 2710 | 387 | 61 |
6 | 75 | 134 | 235 | 1530 | 564 | 360 | 1550 | 2180 | 278 | 2300 | 847 | 60 |
7 | 73 | 127 | 215 | e2000 | 512 | 352 | 1350 | 2500 | 265 | 2690 | 1130 | 63 |
8 | 70 | 122 | 198 | 2400 | 465 | 393 | 1330 | 4530 | 254 | 4040 | 1260 | 63 |
9 | 68 | 120 | 187 | 3100 | 432 | 1280 | 1400 | 5050 | 308 | 3740 | 1240 | 70 |
10 | 68 | 120 | 184 | 3370 | 408 | 2240 | 1800 | 4830 | 468 | 3140 | 1100 | 68 |
11 | 69 | 116 | 187 | 3330 | 408 | 2750 | 1900 | 4450 | 760 | 2460 | 879 | 61 |
12 | 73 | 112 | 195 | 3070 | 554 | 3080 | 1820 | 3960 | 1570 | 1800 | 611 | 57 |
13 | 74 | 108 | 195 | 2680 | 735 | 3110 | 1670 | 3390 | 1930 | 1210 | 405 | 54 |
14 | 73 | 108 | 196 | 2270 | 790 | 2920 | 1570 | 2770 | 2060 | 809 | 298 | 50 |
15 | 74 | 108 | 191 | 1880 | 758 | 2630 | 1510 | 2220 | 2050 | 577 | 247 | 48 |
16 | 78 | 111 | 188 | 1510 | 690 | 2340 | 1610 | 1750 | 1950 | 460 | 212 | 47 |
17 | 79 | 117 | 190 | 1170 | 648 | 2370 | 1660 | 1350 | 2120 | 394 | 182 | 49 |
18 | 77 | 118 | 206 | 908 | 752 | 3950 | 1570 | 1030 | 2160 | 348 | 162 | 55 |
19 | 75 | 112 | 224 | 711 | 872 | 4860 | 1450 | 816 | 2220 | 314 | 146 | 59 |
20 | 72 | 111 | 226 | 590 | 906 | 5120 | 1270 | 701 | 2200 | 290 | 132 | 56 |
21 | 70 | 117 | 225 | 517 | 881 | 5580 | 1190 | 661 | 2000 | 271 | 119 | 54 |
22 | 69 | 123 | 221 | 474 | 809 | 5680 | 1240 | 613 | 1750 | 353 | 108 | 52 |
23 | 68 | 128 | 223 | e445 | 736 | 5340 | 1300 | 567 | 1440 | 802 | 100 | 51 |
24 | 67 | 130 | 261 | e415 | 672 | 4830 | 1310 | 559 | 1130 | 1000 | 95 | 50 |
25 | 66 | 131 | 368 | e400 | 613 | 4260 | 1230 | 555 | 869 | 1040 | 91 | 48 |
26 | 69 | 128 | 496 | e385 | 566 | 3700 | 1140 | 520 | 663 | 909 | 85 | 47 |
27 | 80 | 125 | 524 | 363 | 540 | 3100 | 1060 | 477 | 525 | 656 | 83 | 47 |
28 | 114 | 138 | 488 | 374 | 506 | 2860 | 983 | 439 | 439 | 458 | 80 | 48 |
29 | 171 | 190 | 428 | 465 | --- | 3030 | 932 | 414 | 512 | 353 | 78 | 46 |
30 | 174 | 366 | 378 | 607 | --- | 2820 | 1070 | 399 | 1700 | 293 | 75 | 45 |
31 | 156 | --- | 333 | 695 | --- | 2580 | --- | 380 | --- | 251 | 73 | --- |
TOTAL | 2577 | 3989 | 8674 | 37998 | 18284 | 83608 | 45465 | 55091 | 33226 | 42998 | 10985 | 1659 |
MEAN | 83.1 | 133 | 280 | 1226 | 653 | 2697 | 1516 | 1777 | 1108 | 1387 | 354 | 55.3 |
MAX | 174 | 366 | 524 | 3370 | 906 | 5680 | 2420 | 5050 | 2220 | 4040 | 1260 | 70 |
MIN | 66 | 108 | 184 | 263 | 408 | 352 | 932 | 380 | 254 | 251 | 73 | 45 |
CFSM | .12 | .19 | .41 | 1.79 | .95 | 3.93 | 2.21 | 2.59 | 1.61 | 2.02 | .52 | .08 |
IN. | .14 | .22 | .47 | 2.06 | .99 | 4.53 | 2.47 | 2.99 | 1.80 | 2.33 | .60 | .09 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 253 | 352 | 553 | 640 | 807 | 1097 | 1104 | 859 | 742 | 424 | 143 | 191 |
MAX | 2556 | 1878 | 1794 | 3030 | 2213 | 3462 | 3116 | 1944 | 3496 | 1958 | 595 | 2020 |
(WY) | 1994 | 1986 | 1968 | 1950 | 1950 | 1982 | 1950 | 1981 | 1958 | 1951 | 1990 | 1993 |
MIN | 10.6 | 18.0 | 16.9 | 20.6 | 27.7 | 94.8 | 249 | 141 | 53.7 | 23.4 | 11.4 | 11.7 |
(WY) | 1957 | 1957 | 1964 | 1945 | 1963 | 1957 | 1946 | 1958 | 1988 | 1988 | 1988 | 1964 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1945 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 289460 | 344554 | ||||
ANNUAL MEAN | 793 | 944 | 595 | |||
HIGHEST ANNUAL MEAN | 1323 | 1993 | ||||
LOWEST ANNUAL MEAN | 121 | 1964 | ||||
HIGHEST DAILY MEAN | 5990 | Feb 28 | 5680 | Mar 22 | 10200 | Jun 14 1958 |
LOWEST DAILY MEAN | 66 | Oct 25 | 45 | Sep 30 | 5.5 | Sep 13 1964 |
ANNUAL SEVEN-DAY MINIMUM | 69 | Oct 20 | 47 | Sep 24 | 6.6 | Sep 8 1964 |
INSTANTANEOUS PEAK FLOW | 5740 A | Mar 22 | 10400 | Jun 13 1958 | ||
INSTANTANEOUS PEAK STAGE | 21.96 B | May 9 | 26.31 | Jun 13 1958 | ||
INSTANTANEOUS LOW FLOW | 45 | Sep 29-30 | 5.2 | Sep 13 1964 | ||
ANNUAL RUNOFF (CFSM) | 1.16 | 1.38 | .87 | |||
ANNUAL RUNOFF (INCHES) | 15.70 | 18.68 | 11.79 | |||
10 PERCENT EXCEEDS | 1950 | 2530 | 1630 | |||
50 PERCENT EXCEEDS | 366 | 439 | 270 | |||
90 PERCENT EXCEEDS | 85 | 69 | 32 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |