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 | 61 | 203 | 123 | e54 | 1370 | 363 | 261 | 1770 | 338 | 274 | 43 | 46 |
2 | 62 | 166 | 129 | 51 | 1430 | 360 | 245 | 1440 | 754 | 235 | 41 | 38 |
3 | 104 | 141 | 125 | 54 | 1480 | 352 | 231 | 1100 | 670 | 201 | 41 | 43 |
4 | 101 | 127 | 122 | 89 | 1450 | 346 | 237 | 931 | 505 | 172 | 40 | 42 |
5 | 217 | 111 | 123 | 117 | 1340 | 343 | 245 | 816 | 432 | 146 | 36 | 38 |
6 | 218 | 99 | 192 | 129 | 1250 | 344 | 257 | 745 | 406 | 130 | 45 | 37 |
7 | 174 | 82 | 475 | 120 | 1100 | 338 | 259 | 679 | 455 | 112 | 36 | 33 |
8 | 144 | 76 | 493 | 110 | 993 | 315 | 281 | 581 | 339 | 94 | 44 | 35 |
9 | 120 | 74 | 432 | 92 | 928 | 320 | e550 | 483 | 281 | 104 | 58 | 34 |
10 | 104 | 531 | 391 | 81 | 869 | 300 | e690 | 404 | 268 | 80 | 51 | 32 |
11 | 82 | 706 | 355 | e73 | 839 | 303 | e700 | 352 | 351 | 73 | 40 | 32 |
12 | 71 | 565 | 326 | e70 | 893 | 341 | e695 | e350 | 411 | 71 | 59 | 37 |
13 | 63 | 497 | 286 | e68 | 892 | 336 | 665 | e340 | 1080 | 56 | 92 | 53 |
14 | 61 | 432 | 253 | 70 | 856 | 329 | 609 | 334 | 2170 | 65 | 69 | 50 |
15 | 57 | 396 | 222 | 71 | 815 | 342 | 628 | 288 | 1810 | 60 | 55 | 44 |
16 | 50 | 366 | 199 | e70 | 778 | 403 | e1100 | 264 | 1350 | 57 | 51 | 41 |
17 | 442 | 341 | 189 | e74 | 741 | 668 | e1200 | 356 | 1110 | 61 | 48 | 40 |
18 | 1590 | 312 | 180 | e84 | 694 | 830 | e1150 | 411 | 1030 | 61 | 65 | 38 |
19 | 851 | 289 | 177 | e88 | 649 | 776 | e1050 | 452 | 983 | 62 | 242 | 41 |
20 | 467 | 249 | 175 | e89 | 608 | 731 | e1000 | 441 | 945 | 61 | 148 | 54 |
21 | 314 | 200 | 169 | 158 | 563 | 685 | e1100 | 422 | 912 | 60 | 81 | 64 |
22 | 247 | 165 | 146 | 960 | 508 | 648 | e1500 | 452 | 871 | 60 | 62 | 53 |
23 | 197 | 146 | 108 | 1680 | 448 | 620 | e2200 | 435 | 824 | 60 | 60 | 48 |
24 | 147 | 134 | 123 | 2070 | 391 | 571 | 3330 | 402 | 769 | 134 | 113 | 46 |
25 | 123 | 128 | 102 | 1980 | 344 | 539 | 2860 | 347 | 692 | 84 | 157 | 48 |
26 | 113 | 118 | 90 | 1730 | 325 | 471 | 2480 | 298 | 592 | 68 | 135 | 46 |
27 | 121 | 112 | 85 | 1470 | 381 | 402 | 2270 | 262 | 481 | 60 | 93 | 64 |
28 | 144 | 105 | 78 | 1410 | 383 | 356 | 2520 | 237 | 422 | 44 | 72 | 487 |
29 | 135 | 93 | 77 | 1380 | --- | 324 | 2400 | 215 | e350 | 55 | 63 | 634 |
30 | 243 | 129 | 62 | 1350 | --- | 299 | 2110 | 191 | e300 | 53 | 57 | 396 |
31 | 279 | --- | e58 | 1370 | --- | 274 | --- | 200 | --- | 46 | 53 | --- |
TOTAL | 7102 | 7093 | 6065 | 17212 | 23318 | 13629 | 34823 | 15998 | 21901 | 2899 | 2250 | 2694 |
MEAN | 229 | 236 | 196 | 555 | 833 | 440 | 1161 | 516 | 730 | 93.5 | 72.6 | 89.8 |
MAX | 1590 | 706 | 493 | 2070 | 1480 | 830 | 3330 | 1770 | 2170 | 274 | 242 | 634 |
MIN | 50 | 74 | 58 | 51 | 325 | 274 | 231 | 191 | 268 | 44 | 36 | 32 |
CFSM | .64 | .66 | .54 | 1.54 | 2.31 | 1.22 | 3.22 | 1.43 | 2.03 | .26 | .20 | .25 |
IN. | .73 | .73 | .63 | 1.78 | 2.41 | 1.41 | 3.60 | 1.65 | 2.26 | .30 | .23 | .28 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 145 | 213 | 231 | 241 | 314 | 633 | 639 | 405 | 276 | 170 | 128 | 128 |
MAX | 1453 | 1187 | 1368 | 1046 | 1070 | 2216 | 1990 | 1557 | 1224 | 908 | 726 | 1191 |
(WY) | 1987 | 1986 | 1983 | 1960 | 1974 | 1979 | 1993 | 1996 | 1996 | 1993 | 1972 | 1972 |
MIN | .96 | 3.02 | 2.73 | 2.92 | 5.01 | 40.7 | 57.7 | 41.5 | 15.3 | 6.35 | .81 | .30 |
(WY) | 1945 | 1954 | 1945 | 1945 | 1963 | 1945 | 1945 | 1946 | 1963 | 1946 | 1944 | 1944 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1941 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 150307 | 154984 | ||||
ANNUAL MEAN | 412 | 425 | 293 | |||
HIGHEST ANNUAL MEAN | 656 | 1993 | ||||
LOWEST ANNUAL MEAN | 31.4 | 1963 | ||||
HIGHEST DAILY MEAN | 1840 | Apr 18 | 3330 | Apr 24 | 4870 | Oct 1 1986 |
LOWEST DAILY MEAN | 49 | Sep 13 | 32 | Sep 10, 11 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 58 | Sep 26 | 34 | Sep 6 | .00 | Aug 10 1944 |
INSTANTANEOUS PEAK FLOW | 3420 | Apr 24 | 4900 | Oct 1 1986 | ||
INSTANTANEOUS PEAK STAGE | 7.80 | Apr 24 | 10.88 | Oct 1 1986 | ||
INSTANTANEOUS LOW FLOW | 29 | Aug 7 | ||||
ANNUAL RUNOFF (CFSM) | 1.14 | 1.18 | .81 | |||
ANNUAL RUNOFF (INCHES) | 15.53 | 16.02 | 11.07 | |||
10 PERCENT EXCEEDS | 945 | 1100 | 771 | |||
50 PERCENT EXCEEDS | 247 | 245 | 132 | |||
90 PERCENT EXCEEDS | 72 | 51 | 10 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |