DISCHARGE: March 1936 to current year. |
STAGE: Water years 1994-2001. |
SEDIMENT: April 1978 to September 1981. |
CHEMICAL: Water years 1978-91. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 240 | 255 | e245 | e180 | e1600 | 1960 | 896 | 741 | 1170 | 471 | 245 | 128 |
2 | 230 | 258 | e240 | e185 | e1300 | 1600 | 861 | 722 | 1290 | 449 | 272 | 117 |
3 | 228 | 256 | e230 | e185 | e1200 | 1410 | 825 | 697 | 1280 | 461 | 375 | 111 |
4 | 548 | 254 | e220 | e190 | e1050 | 1300 | 793 | 687 | 1110 | 844 | 309 | 108 |
5 | 598 | 251 | e220 | e195 | e950 | 1170 | 775 | 671 | 2000 | 751 | 265 | 105 |
6 | 507 | 264 | e250 | e200 | e850 | 1080 | 803 | 676 | 3700 | 577 | 236 | 108 |
7 | 444 | 302 | e260 | e200 | e750 | 1020 | 829 | 685 | 2550 | 518 | 217 | 114 |
8 | 403 | 296 | e260 | e205 | e900 | 980 | 791 | 658 | 1880 | 511 | 203 | 111 |
9 | 375 | 312 | e245 | e205 | 5240 | 938 | 780 | 640 | 1510 | 554 | 191 | 130 |
10 | 357 | 401 | e235 | e200 | e5300 | 898 | 822 | 621 | 1300 | 493 | 185 | 166 |
11 | 343 | 444 | e230 | e200 | e3900 | 909 | 839 | 800 | 1160 | 440 | 175 | 145 |
12 | 331 | 434 | e300 | e195 | e3200 | 913 | 1100 | 833 | 1080 | 403 | 168 | 124 |
13 | 317 | 401 | e255 | e190 | 2770 | e1000 | 1120 | 757 | 1000 | 379 | 160 | 114 |
14 | 305 | 383 | e240 | e195 | 2960 | e1150 | 989 | 748 | 927 | 351 | 149 | 109 |
15 | 298 | 370 | e230 | e220 | 2970 | e1450 | 1330 | 792 | 886 | 335 | 146 | 109 |
16 | 298 | 361 | e220 | e300 | 2340 | e2050 | 1950 | 740 | 850 | 321 | 162 | 110 |
17 | 291 | 348 | e210 | e390 | e1600 | 2210 | 1660 | 712 | 802 | 308 | 171 | 111 |
18 | 285 | 328 | e200 | e340 | e1400 | 2070 | 1350 | 677 | 757 | 322 | 170 | 118 |
19 | 280 | e300 | e190 | e310 | e1300 | 2030 | 1200 | 632 | 724 | 352 | 186 | 163 |
20 | 269 | e285 | e185 | e280 | e1200 | 2000 | 1110 | 612 | 699 | 361 | 172 | 186 |
21 | 267 | e280 | e180 | e260 | e1100 | 1920 | 1040 | 795 | 700 | 329 | 155 | 164 |
22 | 265 | e275 | e175 | e240 | e1000 | 1810 | 1110 | 1140 | 694 | 392 | 147 | 147 |
23 | 264 | e270 | e170 | e235 | e950 | 1610 | 1190 | 914 | 673 | 368 | 147 | 150 |
24 | 264 | e270 | e170 | e225 | 2140 | 1410 | 1020 | 819 | 646 | 357 | 149 | 165 |
25 | 262 | e275 | e170 | e210 | 5950 | 1260 | 940 | 761 | 612 | 450 | 154 | 175 |
26 | 261 | e300 | e170 | e200 | 4620 | 1160 | 901 | 791 | 584 | 518 | 157 | 161 |
27 | 260 | e280 | e170 | e190 | 3640 | 1090 | 865 | 1250 | 562 | 384 | 144 | 152 |
28 | 256 | e270 | e170 | e190 | 2710 | 1020 | 812 | 1150 | 540 | 330 | 136 | 144 |
29 | 254 | e260 | e175 | e250 | --- | 992 | 775 | 974 | 518 | 307 | 126 | 140 |
30 | 257 | e250 | e175 | e500 | --- | 950 | 754 | 862 | 495 | 286 | 122 | 139 |
31 | 253 | --- | e180 | e1900 | --- | 915 | --- | 837 | --- | 265 | 121 | --- |
TOTAL | 9810 | 9233 | 6570 | 8965 | 64890 | 42275 | 30230 | 24394 | 32699 | 13187 | 5715 | 4024 |
MEAN | 316 | 308 | 212 | 289 | 2318 | 1364 | 1008 | 787 | 1090 | 425 | 184 | 134 |
MAX | 598 | 444 | 300 | 1900 | 5950 | 2210 | 1950 | 1250 | 3700 | 844 | 375 | 186 |
MIN | 228 | 250 | 170 | 180 | 750 | 898 | 754 | 612 | 495 | 265 | 121 | 105 |
CFSM | .32 | .31 | .21 | .29 | 2.31 | 1.36 | 1.00 | .78 | 1.09 | .42 | .18 | .13 |
IN. | .36 | .34 | .24 | .33 | 2.41 | 1.57 | 1.12 | .90 | 1.21 | .49 | .21 | .15 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1936 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 388 | 458 | 463 | 539 | 769 | 1040 | 1076 | 981 | 901 | 565 | 386 | 341 |
MAX | 2135 | 1790 | 1905 | 1976 | 2318 | 3244 | 3562 | 3500 | 3568 | 2946 | 1845 | 1777 |
(WY) | 1999 | 1978 | 1983 | 1946 | 2001 | 1979 | 1973 | 1974 | 1974 | 1990 | 1987 | 1970 |
MIN | 48.8 | 60.4 | 57.1 | 26.5 | 68.8 | 198 | 174 | 140 | 127 | 62.9 | 61.0 | 46.5 |
(WY) | 1954 | 1954 | 1959 | 1977 | 1940 | 1956 | 1956 | 1989 | 1977 | 1940 | 1988 | 1940 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1936 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 227568 | 251992 | ||||
ANNUAL MEAN | 622 | 690 | 660 | |||
HIGHEST ANNUAL MEAN | 1579 | 1993 | ||||
LOWEST ANNUAL MEAN | 159 | 1940 | ||||
HIGHEST DAILY MEAN | 4110 | Jul 5 | 5950 | Feb 25 | 10100 | Mar 19 1979 |
LOWEST DAILY MEAN | 159 | Sep 10 | 105 | Sep 5 | 22 | Jan 18 1977 |
ANNUAL SEVEN-DAY MINIMUM | 162 | Jan 26 | 111 | Sep 2 | 24 | Jan 17 1977 |
MAXIMUM PEAK FLOW | 6520 | Feb 9 | 12100 A | Jun 22 1974 | ||
MAXIMUM PEAK STAGE | 15.35 | Feb 9 | 21.59 B | Jan 23 1969 | ||
INSTANTANEOUS LOW FLOW | 102 | Sep 5-6 | ||||
ANNUAL RUNOFF (CFSM) | .62 | .69 | .66 | |||
ANNUAL RUNOFF (INCHES) | 8.44 | 9.35 | 8.94 | |||
10 PERCENT EXCEEDS | 1400 | 1400 | 1470 | |||
50 PERCENT EXCEEDS | 335 | 370 | 390 | |||
90 PERCENT EXCEEDS | 184 | 159 | 97 |
A - Gage height, 19.75 ft, present datum. | |
B - Present datum, due to backwater from ice, discharge 8,000 ft3/s. | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |