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 | 10 | 194 | 112 | e78 | 434 | 137 | 139 | 313 | 192 | 166 | 8.6 | 3.1 |
2 | 16 | 188 | 104 | e85 | 658 | 137 | 132 | 288 | 445 | 151 | 6.9 | 2.6 |
3 | 27 | 175 | 107 | e79 | 718 | 137 | 128 | 266 | 449 | 135 | 5.9 | 2.4 |
4 | 28 | 161 | 104 | e75 | 557 | 132 | 126 | 246 | 348 | 123 | 4.8 | 2.0 |
5 | 45 | 152 | 100 | e73 | 441 | 135 | 116 | 240 | 322 | 112 | 4.0 | 1.6 |
6 | 83 | 144 | 152 | e82 | 374 | 141 | 114 | 257 | 269 | 103 | 3.5 | 1.5 |
7 | 74 | 135 | 557 | e86 | 340 | 110 | 112 | 417 | 240 | 94 | 5.1 | 1.4 |
8 | 58 | 135 | 474 | e83 | 315 | e105 | 120 | 359 | 219 | 85 | 5.5 | 1.4 |
9 | 48 | 134 | 351 | e80 | 310 | e100 | 150 | 309 | 199 | 80 | 4.3 | 1.2 |
10 | 41 | 353 | 288 | e77 | 318 | e120 | 142 | 277 | 184 | 76 | 3.6 | .89 |
11 | 36 | 609 | 250 | e75 | 370 | e112 | 129 | 260 | 174 | 71 | 3.0 | .97 |
12 | 33 | 392 | 227 | e74 | 470 | e110 | 121 | 437 | 285 | 62 | 9.5 | 1.0 |
13 | 29 | 320 | 208 | e73 | 359 | e112 | 113 | 1540 | 1340 | 57 | 9.6 | 1.6 |
14 | 28 | 284 | 188 | e71 | 305 | 117 | 114 | 955 | 1980 | 52 | 5.7 | 1.0 |
15 | 38 | 246 | 175 | e70 | 271 | 125 | 135 | 674 | 767 | 48 | 4.5 | .92 |
16 | 29 | 222 | 169 | e70 | 246 | 135 | 527 | 552 | 551 | 42 | 4.0 | .94 |
17 | 551 | 200 | 160 | e69 | 222 | 319 | 914 | 500 | 440 | 39 | 3.4 | 1.0 |
18 | 4900 | 181 | 153 | e68 | 204 | 717 | 583 | 512 | 368 | 35 | 3.2 | .86 |
19 | 1550 | 176 | 146 | e67 | 189 | 479 | 449 | 429 | 323 | 44 | 8.1 | .55 |
20 | 781 | 161 | 129 | e66 | 174 | 370 | 371 | 384 | 286 | 38 | 27 | 1.3 |
21 | 567 | 150 | 125 | e66 | 160 | 317 | 336 | 359 | 254 | 35 | 15 | .72 |
22 | 440 | 145 | e90 | e200 | 153 | 268 | 314 | 398 | 232 | 30 | 8.1 | .73 |
23 | 362 | 143 | e125 | e1800 | 151 | 235 | e1950 | 346 | 225 | 26 | 14 | .66 |
24 | 312 | 131 | e120 | 2190 | 144 | 214 | e1490 | 304 | 728 | 25 | 40 | .68 |
25 | 273 | 128 | e115 | 1250 | 140 | 189 | e827 | 271 | 341 | 34 | 31 | .83 |
26 | 242 | 127 | 113 | 751 | 140 | 175 | 603 | 245 | 264 | 26 | 17 | .69 |
27 | 237 | 116 | 108 | 649 | 145 | 168 | 500 | 225 | 228 | 21 | 11 | 4.1 |
28 | 282 | 113 | 100 | 965 | 147 | 164 | 441 | 218 | 204 | 17 | 9.5 | 74 |
29 | 265 | 114 | e86 | 581 | --- | 155 | 384 | 206 | 182 | 15 | 6.3 | 82 |
30 | 236 | 120 | e66 | 426 | --- | 142 | 341 | 189 | 163 | 13 | 4.5 | 68 |
31 | 209 | --- | e72 | 405 | --- | 140 | --- | 184 | --- | 10 | 3.7 | --- |
TOTAL | 11830 | 5849 | 5274 | 10784 | 8455 | 6017 | 11921 | 12160 | 12202 | 1865 | 290.3 | 260.64 |
MEAN | 382 | 195 | 170 | 348 | 302 | 194 | 397 | 392 | 407 | 60.2 | 9.36 | 8.69 |
MAX | 4900 | 609 | 557 | 2190 | 718 | 717 | 1950 | 1540 | 1980 | 166 | 40 | 82 |
MIN | 10 | 113 | 66 | 66 | 140 | 100 | 112 | 184 | 163 | 10 | 3.0 | .55 |
CFSM | 1.95 | .99 | .87 | 1.77 | 1.54 | .99 | 2.03 | 2.00 | 2.08 | .31 | .05 | .04 |
IN. | 2.25 | 1.11 | 1.00 | 2.05 | 1.60 | 1.14 | 2.26 | 2.31 | 2.32 | .35 | .06 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1936 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 63.8 | 87.5 | 95.3 | 132 | 188 | 261 | 249 | 228 | 204 | 100 | 57.6 | 56.6 |
MAX | 523 | 556 | 572 | 626 | 851 | 1439 | 832 | 915 | 716 | 624 | 356 | 567 |
(WY) | 1942 | 1993 | 1983 | 1969 | 1949 | 1979 | 1973 | 1995 | 1972 | 1982 | 1972 | 1970 |
MIN | .92 | .37 | 1.79 | .000 | 4.84 | 24.5 | 14.6 | 9.94 | 10.2 | .63 | 2.29 | 1.93 |
(WY) | 1954 | 1954 | 1977 | 1940 | 1963 | 1977 | 1977 | 1989 | 1977 | 1936 | 1944 | 1943 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1936 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 97202.5 | 86907.94 | ||||
ANNUAL MEAN | 266 | 238 | 144 | |||
HIGHEST ANNUAL MEAN | 365 | 1993 | ||||
LOWEST ANNUAL MEAN | 14.6 | 1977 | ||||
HIGHEST DAILY MEAN | 4900 | Oct 18 | 4900 | Oct 18 | 8730 | Jun 24 1994 |
LOWEST DAILY MEAN | 7.0 | Sep 13 | .55 | Sep 19 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 9.6 | Sep 7 | .78 | Sep 19 | .00 | Jan 1 1940 |
INSTANTANEOUS PEAK FLOW | 6330 | Oct 18 | 12500 B | May 17 1974 | ||
INSTANTANEOUS PEAK STAGE | 11.34 | Oct 18 | 16.01 | May 17 1974 | ||
INSTANTANEOUS LOW FLOW | .29 | Sep 19 | ||||
ANNUAL RUNOFF (CFSM) | 1.36 | 1.21 | .73 | |||
ANNUAL RUNOFF (INCHES) | 18.45 | 16.49 | 9.97 | |||
10 PERCENT EXCEEDS | 547 | 500 | 337 | |||
50 PERCENT EXCEEDS | 175 | 140 | 56 | |||
90 PERCENT EXCEEDS | 16 | 4.4 | 3.1 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |