DISCHARGE: October 1940 to current year. Published as "at Troy" 1940-65. |
STAGE: Water years 1994-2000. |
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 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 406 | 143 | 136 | 153 | e162 | 347 | 187 | 401 | 1550 | 414 | 644 | 157 |
2 | 301 | 159 | 137 | 157 | e154 | 324 | 182 | 423 | 999 | 343 | 549 | 151 |
3 | 254 | 143 | 150 | 171 | e154 | 295 | 184 | 373 | 747 | 986 | 436 | 149 |
4 | 469 | 135 | 183 | 199 | e160 | 272 | 192 | 347 | 561 | 1300 | 324 | 146 |
5 | 442 | 137 | 663 | 209 | e158 | 259 | 175 | 318 | 598 | 850 | 318 | 150 |
6 | 310 | 150 | 1000 | 186 | e156 | 251 | 173 | 303 | 611 | 605 | 473 | 148 |
7 | 256 | 141 | 620 | 187 | 163 | 253 | 181 | 280 | 452 | 470 | 833 | 148 |
8 | 209 | 141 | 440 | 177 | 157 | 241 | 242 | 273 | 378 | 403 | 640 | 143 |
9 | 199 | 142 | 329 | 197 | 150 | 232 | 292 | 729 | 357 | 339 | 458 | 137 |
10 | 199 | 136 | 287 | 247 | 163 | 230 | 253 | 1110 | 320 | 1180 | 347 | 144 |
11 | 190 | 134 | 250 | 293 | 195 | 223 | 244 | 901 | 303 | 1380 | 288 | 180 |
12 | 180 | 129 | 222 | 258 | 213 | 207 | 225 | 839 | 951 | 845 | 246 | 951 |
13 | 178 | 140 | 210 | 212 | 198 | 204 | 216 | 1110 | 1480 | 591 | 212 | 1130 |
14 | 173 | 137 | 205 | 187 | 193 | 211 | 195 | 816 | 1490 | 466 | 200 | 796 |
15 | 165 | 140 | 202 | 177 | 190 | 197 | 185 | 535 | 1480 | 376 | 205 | 626 |
16 | 164 | 143 | 215 | 172 | 182 | 267 | 194 | 447 | 1020 | 323 | 192 | 426 |
17 | 170 | 139 | 214 | 166 | 182 | 281 | 696 | 446 | 688 | 296 | 281 | 312 |
18 | 169 | 131 | 205 | 187 | 192 | 227 | 787 | 444 | 522 | 286 | 455 | 255 |
19 | 173 | 136 | 197 | 168 | 207 | 218 | 672 | 930 | 436 | 252 | 323 | 216 |
20 | 158 | 133 | 196 | 133 | 208 | 262 | 2050 | 706 | 456 | 245 | 255 | 213 |
21 | 162 | 132 | 159 | 118 | 212 | 356 | 3610 | 488 | 583 | 235 | 220 | 267 |
22 | 154 | 136 | 168 | e145 | 317 | 297 | 3010 | 450 | 485 | 221 | 195 | 273 |
23 | 153 | 161 | 179 | e156 | 599 | 261 | 1760 | 434 | 393 | 206 | 191 | 539 |
24 | 149 | 191 | e174 | e160 | 675 | 246 | 1210 | 362 | 498 | 195 | 187 | 583 |
25 | 147 | 172 | e166 | e158 | 862 | 238 | 909 | 311 | 1600 | 205 | 180 | 468 |
26 | 153 | 150 | e160 | e150 | 681 | 220 | 708 | 276 | 1220 | 189 | 172 | 350 |
27 | 152 | 148 | e164 | e146 | 542 | 219 | 615 | 281 | 794 | 179 | 173 | 286 |
28 | 156 | 141 | e168 | e144 | 449 | 239 | 534 | 642 | 556 | 171 | 173 | 244 |
29 | 146 | 142 | e174 | e146 | 388 | 215 | 466 | 624 | 478 | 228 | 167 | 220 |
30 | 139 | 143 | e165 | e150 | --- | 205 | 422 | 492 | 433 | 363 | 162 | 200 |
31 | 141 | --- | 153 | e158 | --- | 199 | --- | 711 | --- | 573 | 160 | --- |
TOTAL | 6417 | 4305 | 7891 | 5467 | 8262 | 7696 | 20769 | 16802 | 22439 | 14715 | 9659 | 10008 |
MEAN | 207 | 144 | 255 | 176 | 285 | 248 | 692 | 542 | 748 | 475 | 312 | 334 |
MAX | 469 | 191 | 1000 | 293 | 862 | 356 | 3610 | 1110 | 1600 | 1380 | 833 | 1130 |
MIN | 139 | 129 | 136 | 118 | 150 | 197 | 173 | 273 | 303 | 171 | 160 | 137 |
CFSM | .64 | .44 | .79 | .54 | .88 | .77 | 2.14 | 1.67 | 2.31 | 1.47 | .96 | 1.03 |
IN. | .74 | .49 | .91 | .63 | .95 | .88 | 2.38 | 1.93 | 2.58 | 1.69 | 1.11 | 1.15 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 186 | 219 | 242 | 252 | 314 | 470 | 517 | 415 | 322 | 232 | 190 | 178 |
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 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1941 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 171057 | 134430 | ||||
ANNUAL MEAN | 469 | 367 | 295 | |||
HIGHEST ANNUAL MEAN | 564 | 1993 | ||||
LOWEST ANNUAL MEAN | 94.2 | 1963 | ||||
HIGHEST DAILY MEAN | 4410 | Jan 24 | 3610 | Apr 21 | 11400 | Oct 11 1954 |
LOWEST DAILY MEAN | 129 | Nov 12 | 118 | Jan 21 | 14 | Dec 24 1963 |
ANNUAL SEVEN-DAY MINIMUM | 136 | Nov 16 | 136 | Nov 16 | 15 | Dec 27 1963 |
INSTANTANEOUS PEAK FLOW | 3740 | Apr 21 | 17300 A | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 6.08 | Apr 21 | 14.03 B | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 64 C | Jan 21 | .20 C | Nov 17 1955 | ||
ANNUAL RUNOFF (CFSM) | 1.45 | 1.13 | .91 | |||
ANNUAL RUNOFF (INCHES) | 19.64 | 15.43 | 12.35 | |||
10 PERCENT EXCEEDS | 979 | 734 | 636 | |||
50 PERCENT EXCEEDS | 301 | 220 | 169 | |||
90 PERCENT EXCEEDS | 146 | 146 | 47 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |