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 | 14 | 13 | 17 | 12 | 382 | 363 | 163 | 500 | 189 | 185 | 15 | 10 |
2 | 14 | 13 | 15 | 15 | 482 | 327 | 158 | 432 | 659 | 248 | 14 | 9.9 |
3 | 14 | 13 | 15 | 15 | 518 | 943 | 151 | 387 | 966 | 208 | 13 | 9.4 |
4 | 15 | 13 | 14 | 13 | 436 | 1070 | 156 | 354 | 617 | 165 | 13 | 9.1 |
5 | 15 | 13 | 14 | e12 | 317 | 734 | 153 | 331 | 512 | 134 | 12 | 8.7 |
6 | 15 | 12 | 15 | e13 | 281 | 867 | 150 | 309 | 546 | 114 | 15 | 8.2 |
7 | 14 | 11 | 19 | e14 | 377 | 986 | 139 | 396 | 428 | 100 | 14 | 7.9 |
8 | 11 | 11 | 17 | e13 | 1450 | 720 | 134 | 398 | 324 | 88 | 14 | 7.5 |
9 | 9.1 | 12 | 15 | e12 | 1610 | 578 | 150 | 310 | 270 | 79 | 14 | 7.1 |
10 | 8.0 | 21 | 15 | e12 | 1160 | 456 | 145 | 256 | 237 | 69 | 14 | 7.0 |
11 | 7.4 | 27 | 14 | e11 | 801 | 355 | 476 | 233 | 228 | 60 | 13 | 7.0 |
12 | 7.0 | 32 | 14 | e11 | 751 | 317 | 762 | 221 | 272 | 55 | 13 | 7.0 |
13 | 7.3 | 26 | 14 | e11 | 697 | 313 | 422 | 470 | 630 | 50 | 42 | 7.0 |
14 | 7.3 | 21 | 14 | e11 | 501 | 320 | 316 | 1180 | 604 | 44 | 37 | 6.8 |
15 | 8.5 | 19 | 14 | e11 | 400 | 310 | 324 | 1100 | 454 | 38 | 24 | 6.3 |
16 | 9.4 | 17 | 14 | e12 | 359 | 401 | 1840 | 783 | 300 | 34 | 18 | 6.0 |
17 | 9.8 | 16 | 13 | e25 | 337 | 781 | 5470 | 518 | 244 | 34 | 15 | 6.2 |
18 | 11 | 15 | 13 | e60 | 323 | 699 | 4190 | 404 | 205 | 46 | 14 | 6.0 |
19 | 11 | 15 | 15 | e140 | 289 | 468 | 2620 | 334 | 185 | 52 | 14 | 6.1 |
20 | 10 | 14 | 17 | e120 | 251 | 367 | 1620 | 283 | 171 | 52 | 13 | 6.0 |
21 | 9.5 | 13 | 17 | 101 | 219 | 334 | 1170 | 262 | 160 | 63 | 12 | 5.9 |
22 | 9.1 | 13 | 13 | 393 | 194 | 290 | 1280 | 301 | 153 | 46 | 12 | 6.0 |
23 | 8.9 | 13 | 11 | 2640 | 189 | 255 | 1080 | 328 | 240 | 34 | 11 | 5.3 |
24 | 8.9 | 13 | 12 | 5260 | 183 | 236 | 857 | 352 | 291 | 27 | 20 | 5.3 |
25 | 9.1 | 13 | 12 | 3760 | 176 | 211 | 679 | 337 | 549 | 23 | 28 | 5.3 |
26 | 10 | 14 | 12 | 2160 | 163 | 191 | 570 | 271 | 416 | 22 | 19 | 5.3 |
27 | 12 | 14 | 12 | 1360 | 190 | 183 | 490 | 227 | 304 | 24 | 17 | 5.0 |
28 | 13 | 14 | 13 | 1130 | 305 | 178 | 547 | 204 | 242 | 25 | 14 | 5.6 |
29 | 13 | 14 | 13 | 757 | --- | 172 | 847 | 189 | 192 | 24 | 11 | 15 |
30 | 13 | 14 | 10 | 521 | --- | 160 | 633 | 176 | 157 | 21 | 11 | 16 |
31 | 13 | --- | 11 | 405 | --- | 157 | --- | 184 | --- | 17 | 10 | --- |
TOTAL | 337.3 | 469 | 434 | 19030 | 13341 | 13742 | 27692 | 12030 | 10745 | 2181 | 506 | 223.9 |
MEAN | 10.9 | 15.6 | 14.0 | 614 | 476 | 443 | 923 | 388 | 358 | 70.4 | 16.3 | 7.46 |
MAX | 15 | 32 | 19 | 5260 | 1610 | 1070 | 5470 | 1180 | 966 | 248 | 42 | 16 |
MIN | 7.0 | 11 | 10 | 11 | 163 | 157 | 134 | 176 | 153 | 17 | 10 | 5.0 |
CFSM | .02 | .04 | .03 | 1.38 | 1.07 | .99 | 2.07 | .87 | .80 | .16 | .04 | .02 |
IN. | .03 | .04 | .04 | 1.59 | 1.11 | 1.15 | 2.31 | 1.00 | .90 | .18 | .04 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 116 | 228 | 368 | 413 | 526 | 666 | 712 | 569 | 500 | 311 | 101 | 110 |
MAX | 1290 | 1964 | 1361 | 2240 | 1918 | 1915 | 1908 | 1824 | 1722 | 1599 | 814 | 1250 |
(WY) | 1994 | 1986 | 1991 | 1950 | 1951 | 1979 | 1994 | 1998 | 1980 | 1993 | 1977 | 1993 |
MIN | 4.55 | 7.69 | 5.57 | 4.06 | 12.0 | 64.5 | 110 | 56.6 | 27.2 | 10.8 | 6.13 | 4.27 |
(WY) | 1964 | 1964 | 1964 | 1977 | 1963 | 1981 | 1986 | 1988 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1948 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 243387.3 | 100731.2 | ||||
ANNUAL MEAN | 667 | 276 | 384 | |||
HIGHEST ANNUAL MEAN | 855 | 1993 | ||||
LOWEST ANNUAL MEAN | 87.2 | 1954 | ||||
HIGHEST DAILY MEAN | 8070 | May 8 | 5470 | Apr 17 | 15200 | Apr 13 1994 |
LOWEST DAILY MEAN | 7.0 | Oct 12 | 5.0 | Sep 27 | 2.5 | Sep 1 1972 |
ANNUAL SEVEN-DAY MINIMUM | 7.8 | Oct 9 | 5.4 | Sep 22 | 2.9 | Sep 11 1988 |
INSTANTANEOUS PEAK FLOW | 6080 | Apr 17 | 22900 A | Feb 21 1951 | ||
INSTANTANEOUS PEAK STAGE | 18.91 | Apr 17 | 28.16 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 4.7 | Sep 27-28 | 2.0 | B | ||
ANNUAL RUNOFF (CFSM) | 1.50 | .62 | .86 | |||
ANNUAL RUNOFF (INCHES) | 20.30 | 8.40 | 11.70 | |||
10 PERCENT EXCEEDS | 1790 | 686 | 1000 | |||
50 PERCENT EXCEEDS | 196 | 44 | 128 | |||
90 PERCENT EXCEEDS | 13 | 9.3 | 11 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |