DISCHARGE: October 1940 to current year. Published as "at Troy" 1940-65. |
STAGE: Water years 1994-2001. |
CHEMICAL: Water years 1978-91. |
WATER TEMPERATURE: Water years 1964-76. |
MISCELLANEOUS: June and July 1998. |
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 | 174 | 157 | 294 | e170 | 997 | 675 | 317 | 332 | 543 | 158 | 172 | 613 |
2 | 169 | 149 | 266 | e175 | 748 | 596 | 315 | 301 | 680 | 150 | 172 | 434 |
3 | 180 | 166 | 252 | e180 | 600 | 528 | 305 | 280 | 699 | 178 | 225 | 312 |
4 | 488 | 154 | 248 | e185 | 491 | 489 | 286 | 265 | 526 | 204 | 215 | 250 |
5 | 740 | 145 | 246 | e195 | 435 | 451 | 272 | 261 | 602 | 175 | 177 | 236 |
6 | 519 | 148 | 243 | e205 | 421 | 411 | 469 | 249 | 1220 | 162 | 160 | 204 |
7 | 395 | 683 | 239 | e205 | 393 | 389 | 766 | 266 | 914 | 152 | 157 | 448 |
8 | 309 | 757 | 237 | e200 | 473 | 359 | 627 | 315 | 657 | 163 | 152 | 465 |
9 | 266 | 826 | 224 | e190 | 3170 | 345 | 528 | 286 | 511 | 160 | 149 | 328 |
10 | 256 | 1690 | 230 | e180 | 3790 | 342 | 515 | 261 | 431 | 159 | 166 | 337 |
11 | 235 | 1280 | 226 | e170 | 2380 | 329 | 460 | 507 | 379 | 149 | 199 | 301 |
12 | 209 | 780 | 186 | e175 | 1360 | 354 | 563 | 800 | 383 | 139 | 166 | 243 |
13 | 189 | 623 | 186 | e185 | 1010 | 449 | 581 | 528 | 461 | 142 | 145 | 211 |
14 | 178 | 615 | e195 | 235 | 937 | 434 | 469 | 405 | 347 | 132 | 165 | 199 |
15 | 174 | 492 | e205 | 399 | 1080 | 466 | 561 | 362 | 313 | 127 | 156 | 179 |
16 | 171 | 417 | e205 | 564 | 909 | 826 | 728 | 320 | 301 | 124 | 188 | 162 |
17 | 186 | 371 | e200 | 515 | 741 | 927 | 595 | 315 | 257 | 146 | 323 | 162 |
18 | 170 | 332 | e195 | 444 | 608 | 920 | 491 | 295 | 234 | 141 | 262 | 176 |
19 | 163 | 302 | e190 | e390 | 549 | 806 | 435 | 264 | 257 | 142 | 272 | 855 |
20 | 163 | 289 | e185 | e330 | 519 | 698 | 486 | 241 | 237 | 141 | 248 | 1610 |
21 | 166 | 285 | e180 | e295 | 478 | 620 | 743 | 246 | 228 | 136 | 210 | 1620 |
22 | 167 | 266 | e175 | e270 | 432 | 551 | 912 | 321 | 239 | 278 | 199 | 1360 |
23 | 166 | 256 | e170 | e250 | 411 | 507 | 746 | 289 | 226 | 562 | 211 | 1060 |
24 | 190 | 245 | e170 | e240 | 589 | 454 | 934 | 271 | 207 | 568 | 271 | 1280 |
25 | 174 | 240 | e165 | e225 | 2180 | 424 | 753 | 258 | 193 | 714 | 332 | 1050 |
26 | 166 | 297 | e160 | e220 | 1740 | 383 | 599 | 453 | 200 | 777 | 865 | 682 |
27 | 158 | 352 | e160 | e225 | 1100 | 369 | 506 | 781 | 177 | 431 | 615 | 503 |
28 | 156 | 315 | e160 | e230 | 820 | 355 | 430 | 684 | 168 | 280 | 381 | 392 |
29 | 150 | 295 | e165 | 272 | --- | 342 | 385 | 541 | 167 | 226 | 282 | 323 |
30 | 151 | 300 | e165 | 1040 | --- | 330 | 348 | 440 | 172 | 198 | 239 | 280 |
31 | 160 | --- | e170 | 1300 | --- | 318 | --- | 357 | --- | 190 | 406 | --- |
TOTAL | 7138 | 13227 | 6292 | 9859 | 29361 | 15447 | 16125 | 11494 | 11929 | 7404 | 7880 | 16275 |
MEAN | 230 | 441 | 203 | 318 | 1049 | 498 | 538 | 371 | 398 | 239 | 254 | 542 |
MAX | 740 | 1690 | 294 | 1300 | 3790 | 927 | 934 | 800 | 1220 | 777 | 865 | 1620 |
MIN | 150 | 145 | 160 | 170 | 393 | 318 | 272 | 241 | 167 | 124 | 145 | 162 |
CFSM | .71 | 1.36 | .63 | .98 | 3.24 | 1.54 | 1.66 | 1.14 | 1.23 | .74 | .78 | 1.67 |
IN. | .82 | 1.52 | .72 | 1.13 | 3.37 | 1.77 | 1.85 | 1.32 | 1.37 | .85 | .90 | 1.87 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 187 | 223 | 241 | 253 | 326 | 471 | 517 | 415 | 324 | 232 | 191 | 184 |
MAX | 1474 | 788 | 1257 | 927 | 1267 | 1946 | 1418 | 1105 | 946 | 1337 | 1245 | 908 |
(WY) | 1955 | 1986 | 1983 | 1993 | 1997 | 1979 | 1983 | 1974 | 1996 | 1996 | 1987 | 1961 |
MIN | 26.2 | 27.4 | 22.7 | 30.8 | 28.4 | 71.2 | 102 | 99.5 | 68.6 | 45.8 | 31.2 | 26.8 |
(WY) | 1957 | 1957 | 1964 | 1954 | 1964 | 1945 | 1963 | 1958 | 1963 | 1956 | 1941 | 1946 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1941 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 142474 | 152431 | ||||
ANNUAL MEAN | 389 | 418 | 297 | |||
HIGHEST ANNUAL MEAN | 564 | 1993 | ||||
LOWEST ANNUAL MEAN | 94.2 | 1963 | ||||
HIGHEST DAILY MEAN | 3610 | Apr 21 | 3790 | Feb 10 | 11400 | Oct 11 1954 |
LOWEST DAILY MEAN | 118 | Jan 21 | 124 | Jul 16 | 14 | Dec 24 1963 |
ANNUAL SEVEN-DAY MINIMUM | 145 | Sep 4 | 136 | Jul 12 | 15 | Dec 27 1963 |
MAXIMUM PEAK FLOW | 4240 | Feb 9 | 17300 A | Jul 18 1996 | ||
MAXIMUM PEAK STAGE | 6.56 | Feb 9 | 14.03 B | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 118 | Jul 15-17 | .20 C | Nov 17 1955 | ||
ANNUAL RUNOFF (CFSM) | 1.20 | 1.29 | .92 | |||
ANNUAL RUNOFF (INCHES) | 16.36 | 17.50 | 12.44 | |||
10 PERCENT EXCEEDS | 789 | 780 | 638 | |||
50 PERCENT EXCEEDS | 248 | 295 | 171 | |||
90 PERCENT EXCEEDS | 158 | 162 | 47 |
A- From rating curve extended above 14,000 ft3/sec. | |
B- From Floodmark. | |
C- Result of freeze up. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |