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 | 52 | 68 | 63 | e40 | 1050 | 934 | 266 | 1050 | 250 | 318 | 44 | 25 |
2 | 51 | 67 | 71 | e37 | 922 | 913 | 261 | 929 | 308 | 521 | 42 | 25 |
3 | 63 | 70 | 67 | e32 | 844 | 944 | 257 | 794 | 409 | 514 | 37 | 28 |
4 | 67 | 82 | 65 | e31 | 770 | 996 | 291 | 658 | 358 | 402 | 35 | 24 |
5 | 63 | 67 | 62 | e30 | 667 | 957 | 333 | 541 | 306 | 277 | 35 | 21 |
6 | 66 | 62 | 61 | e30 | 575 | 992 | 319 | 460 | 267 | 204 | 33 | 20 |
7 | 88 | 60 | 68 | e29 | 522 | 1080 | 287 | 409 | 233 | 173 | 29 | 19 |
8 | 91 | 59 | 88 | e29 | 616 | 1060 | 265 | 363 | 210 | 139 | 37 | 19 |
9 | 66 | 61 | 87 | e28 | 824 | 983 | 285 | 330 | 192 | 111 | 42 | 20 |
10 | 53 | 79 | 78 | e28 | 911 | 875 | 300 | 306 | 212 | 100 | 40 | 20 |
11 | 48 | 162 | 71 | e28 | 894 | 756 | 318 | 289 | 249 | 89 | 37 | 20 |
12 | 45 | 151 | 67 | e28 | 849 | 643 | 373 | 281 | 219 | 79 | 37 | 20 |
13 | 44 | 107 | 65 | e27 | 779 | 560 | 354 | 376 | 334 | 71 | 77 | 20 |
14 | 45 | 91 | 64 | e27 | 668 | 514 | 329 | 478 | 477 | 65 | 82 | 20 |
15 | 46 | 87 | 62 | e27 | 571 | 487 | 334 | 497 | 475 | 54 | 54 | 20 |
16 | 47 | 80 | 60 | e28 | 509 | 538 | 720 | 451 | 347 | 52 | 40 | 20 |
17 | 51 | 73 | 60 | e40 | 486 | 765 | 1250 | 389 | 264 | 51 | 35 | 21 |
18 | 55 | 67 | 59 | e70 | 462 | 849 | 1530 | 347 | 220 | 58 | 31 | 22 |
19 | 59 | 63 | 60 | e130 | 427 | 808 | 1490 | 311 | 193 | 61 | 31 | 23 |
20 | 58 | 64 | 67 | e250 | 387 | 710 | 1300 | 278 | 174 | 60 | 34 | 21 |
21 | 54 | 61 | 69 | e540 | 351 | 611 | 1120 | 261 | 161 | 171 | 33 | 19 |
22 | 57 | 58 | 65 | e1000 | 320 | 513 | 981 | 269 | 150 | 130 | 31 | 19 |
23 | 56 | 56 | 59 | e2000 | 308 | 432 | 934 | 265 | 138 | 79 | 30 | 18 |
24 | 53 | 56 | e56 | e3000 | 298 | 389 | 970 | 287 | 139 | 79 | 31 | 17 |
25 | 53 | 55 | e54 | e3300 | 288 | 355 | 965 | 288 | 215 | 85 | 30 | 17 |
26 | 56 | 56 | e52 | 3070 | 282 | 324 | 907 | 251 | 232 | 70 | 30 | 17 |
27 | 55 | 57 | e50 | 2750 | 509 | 307 | 817 | 222 | 402 | 62 | 29 | 16 |
28 | 62 | 55 | 58 | 2410 | 858 | 297 | 917 | 204 | 455 | 58 | 28 | 16 |
29 | 72 | 53 | 63 | 2010 | --- | 287 | 1090 | 194 | 352 | 58 | 30 | 36 |
30 | 74 | 55 | 61 | 1620 | --- | 273 | 1120 | 185 | 262 | 54 | 30 | 45 |
31 | 72 | --- | e52 | 1280 | --- | 264 | --- | 209 | --- | 48 | 27 | --- |
TOTAL | 1822 | 2182 | 1984 | 23949 | 16947 | 20416 | 20683 | 12172 | 8203 | 4293 | 1161 | 648 |
MEAN | 58.8 | 72.7 | 64.0 | 773 | 605 | 659 | 689 | 393 | 273 | 138 | 37.5 | 21.6 |
MAX | 91 | 162 | 88 | 3300 | 1050 | 1080 | 1530 | 1050 | 477 | 521 | 82 | 45 |
MIN | 44 | 53 | 50 | 27 | 282 | 264 | 257 | 185 | 138 | 48 | 27 | 16 |
CFSM | .13 | .16 | .14 | 1.72 | 1.35 | 1.47 | 1.54 | .87 | .61 | .31 | .08 | .05 |
IN. | .15 | .18 | .16 | 1.98 | 1.40 | 1.69 | 1.71 | 1.01 | .68 | .36 | .10 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 179 | 259 | 403 | 449 | 561 | 755 | 772 | 566 | 489 | 261 | 105 | 140 |
MAX | 1792 | 1218 | 1274 | 1736 | 1490 | 2266 | 1672 | 1360 | 2314 | 1099 | 435 | 1387 |
(WY) | 1994 | 1993 | 1968 | 1993 | 1968 | 1982 | 1950 | 1974 | 1958 | 1993 | 1990 | 1993 |
MIN | 9.70 | 16.1 | 15.3 | 27.0 | 31.4 | 81.7 | 199 | 108 | 39.8 | 17.7 | 12.2 | 11.1 |
(WY) | 1957 | 1965 | 1964 | 1963 | 1964 | 1957 | 1986 | 1958 | 1988 | 1988 | 1988 | 1964 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1950 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 204969 | 114460 | ||||
ANNUAL MEAN | 562 | 314 | 410 | |||
HIGHEST ANNUAL MEAN | 891 | 1993 | ||||
LOWEST ANNUAL MEAN | 77.6 | 1964 | ||||
HIGHEST DAILY MEAN | 3470 | May 9 | 3300 | Jan 25 | 5930 | Jun 14 1958 |
LOWEST DAILY MEAN | 44 | Oct 13 | 16 | Sep 27 | 6.3 | Sep 10 1964 |
ANNUAL SEVEN-DAY MINIMUM | 47 | Oct 11 | 17 | Sep 22 | 8.0 | Sep 5 1964 |
INSTANTANEOUS PEAK FLOW | 3510 | Jan 25 | 5930 | Jun 14 1958 | ||
INSTANTANEOUS PEAK STAGE | 19.81 | Jan 25 | 24.42 | Jun 14 1958 | ||
ANNUAL RUNOFF (CFSM) | 1.25 | .70 | .91 | |||
ANNUAL RUNOFF (INCHES) | 16.98 | 9.48 | 12.42 | |||
10 PERCENT EXCEEDS | 1430 | 909 | 1090 | |||
50 PERCENT EXCEEDS | 272 | 88 | 198 | |||
90 PERCENT EXCEEDS | 55 | 28 | 29 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |