DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 5.1 | 8.5 | 396 | 89 | 136 | 246 | 685 | 2600 | 182 | 585 | 46 | 18 |
2 | 4.8 | 11 | 241 | 77 | 138 | 224 | 540 | 1360 | 175 | 404 | 43 | 18 |
3 | 4.6 | 11 | 184 | 73 | 133 | 205 | 439 | 1520 | 163 | 330 | 38 | 16 |
4 | 5.2 | 8.5 | 146 | 74 | 133 | 185 | 503 | 1290 | 162 | 296 | 40 | 15 |
5 | 6.1 | 7.7 | 119 | 111 | 131 | 167 | 454 | 778 | 156 | 258 | 50 | 16 |
6 | 5.2 | 17 | 96 | 161 | 120 | 157 | 390 | 654 | 143 | 247 | 81 | 15 |
7 | 4.5 | 34 | 82 | 214 | 111 | 154 | 512 | 1350 | 133 | 727 | 60 | 14 |
8 | 4.3 | 25 | 73 | 738 | 106 | 274 | 1440 | 2460 | 134 | 821 | 49 | 16 |
9 | 8.5 | 20 | 72 | 965 | 102 | 889 | 716 | 1390 | 314 | 406 | 43 | 15 |
10 | 4.4 | 18 | 73 | 571 | 101 | 650 | 521 | 743 | 313 | 320 | 52 | 15 |
11 | 5.2 | 18 | 66 | 396 | 242 | 481 | 425 | 560 | 293 | 266 | 46 | 16 |
12 | 5.2 | 16 | 70 | 320 | 595 | 372 | 373 | 467 | 618 | 234 | 38 | 15 |
13 | 6.5 | 15 | 73 | 249 | 421 | 336 | 357 | 401 | 460 | 203 | 34 | 14 |
14 | 10 | 16 | 68 | 216 | 319 | 356 | 587 | 348 | 416 | 178 | 31 | 13 |
15 | 9.9 | 14 | 65 | 212 | 262 | 347 | 444 | 319 | 857 | 163 | 29 | 14 |
16 | 7.5 | 12 | 65 | 180 | 244 | 313 | 389 | 302 | 1990 | 151 | 43 | 13 |
17 | 6.6 | 12 | 72 | 161 | 285 | 846 | 323 | 261 | 2300 | 138 | 37 | 15 |
18 | 5.2 | 13 | 72 | 142 | 490 | 2160 | 283 | 243 | 693 | 130 | 184 | 18 |
19 | 4.4 | 13 | 69 | 124 | 442 | 1140 | 269 | 234 | 815 | 119 | 132 | 14 |
20 | 4.1 | 13 | 65 | 123 | 381 | 1430 | 254 | 230 | 536 | 110 | 67 | 13 |
21 | 4.1 | 14 | 60 | 119 | 349 | 1590 | 311 | 217 | 417 | 102 | 49 | 13 |
22 | 4.9 | 11 | 67 | 114 | 310 | 1630 | 279 | 238 | 382 | 95 | 41 | 12 |
23 | 4.8 | 9.6 | 74 | 110 | 290 | 929 | 250 | 316 | 719 | 106 | 34 | 12 |
24 | 4.4 | 9.0 | 90 | 103 | 261 | 722 | 232 | 435 | 446 | 88 | 30 | 13 |
25 | 4.8 | 9.1 | 209 | 93 | 236 | 553 | 220 | 385 | 346 | 78 | 27 | 22 |
26 | 7.9 | 9.2 | 168 | 90 | 221 | 481 | 213 | 305 | 294 | 71 | 24 | 19 |
27 | 9.4 | 9.6 | 138 | 94 | 275 | 424 | 181 | 270 | 259 | 65 | 25 | 15 |
28 | 15 | 26 | 121 | 106 | 285 | 792 | 172 | 245 | 231 | 60 | 23 | 13 |
29 | 10 | 75 | 113 | 139 | --- | 743 | 418 | 227 | 886 | 57 | 22 | 12 |
30 | 8.7 | 311 | 98 | 148 | --- | 563 | 3070 | 217 | 1550 | 54 | 22 | 12 |
31 | 7.9 | --- | 79 | 135 | --- | 494 | --- | 204 | --- | 49 | 20 | --- |
TOTAL | 199.2 | 786.2 | 3384 | 6447 | 7119 | 19853 | 15250 | 20569 | 16383 | 6911 | 1460 | 446 |
MEAN | 6.43 | 26.2 | 109 | 208 | 254 | 640 | 508 | 664 | 546 | 223 | 47.1 | 14.9 |
MAX | 15 | 311 | 396 | 965 | 595 | 2160 | 3070 | 2600 | 2300 | 821 | 184 | 22 |
MIN | 4.1 | 7.7 | 60 | 73 | 101 | 154 | 172 | 204 | 133 | 49 | 20 | 12 |
CFSM | .03 | .12 | .48 | .92 | 1.12 | 2.82 | 2.24 | 2.92 | 2.41 | .98 | .21 | .07 |
IN. | .03 | .13 | .55 | 1.06 | 1.17 | 3.25 | 2.50 | 3.37 | 2.68 | 1.13 | .24 | .07 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 57.6 | 90.6 | 161 | 167 | 213 | 296 | 337 | 273 | 229 | 127 | 76.2 | 61.0 |
MAX | 523 | 877 | 954 | 1020 | 731 | 1294 | 1020 | 976 | 1100 | 713 | 1540 | 1028 |
(WY) | 1978 | 1986 | 1991 | 1993 | 1959 | 1979 | 1973 | 1995 | 1974 | 1993 | 1981 | 1993 |
MIN | .31 | 2.07 | .79 | 3.69 | 3.76 | 34.6 | 47.7 | 32.1 | 9.69 | 2.40 | 1.33 | .70 |
(WY) | 1964 | 1964 | 1964 | 1977 | 1963 | 1956 | 1956 | 1963 | 1963 | 1988 | 1963 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1948 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 43941.0 | 98807.4 | ||||
ANNUAL MEAN | 120 | 271 | 175 | |||
HIGHEST ANNUAL MEAN | 518 | 1993 | ||||
LOWEST ANNUAL MEAN | 38.5 | 1954 | ||||
HIGHEST DAILY MEAN | 1430 A | Jun 13 | 3070 | Apr 30 | 16100 | Aug 15 1981 |
LOWEST DAILY MEAN | 4.1 | Oct 20, 21 | 4.1 | Oct 20, 21 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 4.5 | Oct 19 | 4.5 | Oct 19 | .20 | Oct 21 1963 |
INSTANTANEOUS PEAK FLOW | 4000 | Apr 30 | 24600 | Aug 15 1981 | ||
INSTANTANEOUS PEAK STAGE | 13.50 | Apr 30 | 16.91 | Aug 15 1981 | ||
INSTANTANEOUS LOW FLOW | 3.7 | Oct 22 | ||||
ANNUAL RUNOFF (CFSM) | .53 | 1.19 | .77 | |||
ANNUAL RUNOFF (INCHES) | 7.20 | 16.19 | 10.45 | |||
10 PERCENT EXCEEDS | 321 | 666 | 400 | |||
50 PERCENT EXCEEDS | 62 | 134 | 64 | |||
90 PERCENT EXCEEDS | 9.3 | 10 | 4.6 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |