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 | 121 | 207 | 160 | e56 | 344 | 260 | 120 | 483 | 198 | 216 | 61 | 87 |
2 | 83 | 178 | 129 | e58 | 411 | 227 | 121 | 343 | 610 | 208 | 56 | 80 |
3 | 205 | 157 | 103 | e65 | 438 | 229 | 115 | 264 | 592 | 154 | 55 | 60 |
4 | 135 | 142 | 90 | e62 | 409 | 201 | 117 | 236 | 440 | 114 | 55 | 53 |
5 | 264 | 143 | 82 | e59 | 367 | 179 | 101 | 214 | 273 | 92 | 53 | 49 |
6 | 352 | 126 | 191 | e57 | 355 | 206 | 111 | 247 | 210 | 86 | 52 | 46 |
7 | 273 | 116 | 568 | e56 | 340 | 210 | 104 | 268 | 199 | 72 | 61 | 47 |
8 | 219 | 99 | 461 | e55 | 301 | 196 | 103 | 249 | 169 | 65 | 63 | 52 |
9 | 137 | 97 | 320 | e54 | 278 | 196 | 675 | 219 | 143 | 144 | 55 | 47 |
10 | 96 | 624 | 227 | e53 | 255 | 214 | 641 | 196 | 160 | 153 | 59 | 46 |
11 | 74 | 695 | 181 | e52 | 273 | 228 | 489 | 199 | 265 | 122 | 57 | 42 |
12 | 69 | 565 | 142 | e51 | 369 | 235 | 320 | 793 | 385 | 97 | 88 | 46 |
13 | 64 | 408 | 117 | e50 | 357 | 239 | 230 | 591 | 697 | 82 | 88 | 75 |
14 | 63 | 283 | 103 | e50 | 297 | 232 | 186 | 348 | 946 | 73 | 84 | 59 |
15 | 63 | 232 | 96 | e53 | 253 | 254 | 210 | 229 | 862 | 75 | 67 | 53 |
16 | 61 | 197 | 91 | e60 | 195 | 311 | 677 | 180 | 613 | 83 | 62 | 50 |
17 | 344 | 152 | 85 | e95 | 181 | 448 | 662 | 386 | 320 | 94 | 58 | 48 |
18 | 1280 | 131 | 78 | e180 | 164 | 472 | 509 | 420 | 225 | 89 | 56 | 44 |
19 | 1140 | 117 | 80 | e160 | 148 | 394 | 352 | 325 | 169 | 81 | 164 | 43 |
20 | 981 | 110 | 71 | e130 | 138 | 303 | 273 | 225 | 138 | 90 | 116 | 46 |
21 | 656 | 93 | 69 | e180 | 129 | 248 | 275 | 244 | 127 | 108 | 90 | 48 |
22 | 395 | 85 | 70 | e1000 | 117 | 209 | 508 | 631 | 181 | 306 | 75 | 43 |
23 | 274 | 83 | 67 | e1300 | 107 | 178 | 1340 | 552 | 156 | 176 | 74 | 39 |
24 | 208 | 86 | e68 | 1210 | 114 | 160 | 1210 | 406 | 163 | 131 | 167 | 38 |
25 | 177 | 78 | 60 | 1020 | 114 | 146 | 1050 | 278 | 123 | 100 | 232 | 33 |
26 | 152 | 81 | 54 | 805 | 117 | 135 | 755 | 209 | 88 | 85 | 244 | 32 |
27 | 177 | 74 | 57 | 605 | 261 | 125 | 615 | 174 | 123 | 76 | 186 | 64 |
28 | 321 | 71 | 59 | 551 | 292 | 114 | 901 | 151 | 153 | 67 | 126 | 425 |
29 | 267 | 70 | 61 | 493 | --- | 108 | 850 | 136 | 145 | 68 | 95 | 599 |
30 | 283 | 141 | 59 | 422 | --- | 105 | 719 | 119 | 116 | 62 | 76 | 503 |
31 | 258 | --- | e58 | 358 | --- | 100 | --- | 118 | --- | 56 | 73 | --- |
TOTAL | 9192 | 5641 | 4057 | 9400 | 7124 | 6862 | 14339 | 9433 | 8989 | 3425 | 2848 | 2897 |
MEAN | 297 | 188 | 131 | 303 | 254 | 221 | 478 | 304 | 300 | 110 | 91.9 | 96.6 |
MAX | 1280 | 695 | 568 | 1300 | 438 | 472 | 1340 | 793 | 946 | 306 | 244 | 599 |
MIN | 61 | 70 | 54 | 50 | 107 | 100 | 101 | 118 | 88 | 56 | 52 | 32 |
CFSM | 2.58 | 1.64 | 1.14 | 2.64 | 2.21 | 1.92 | 4.16 | 2.65 | 2.61 | .96 | .80 | .84 |
IN. | 2.97 | 1.82 | 1.31 | 3.04 | 2.30 | 2.22 | 4.64 | 3.05 | 2.91 | 1.11 | .92 | .94 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1946 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 83.7 | 107 | 108 | 114 | 132 | 212 | 234 | 163 | 134 | 92.9 | 104 | 84.1 |
MAX | 331 | 457 | 500 | 368 | 444 | 809 | 565 | 480 | 388 | 288 | 795 | 414 |
(WY) | 1955 | 1986 | 1983 | 1993 | 1997 | 1979 | 1983 | 1996 | 1996 | 1978 | 1987 | 1972 |
MIN | 3.34 | 5.55 | 8.14 | 5.79 | 12.4 | 46.1 | 41.8 | 24.8 | 25.6 | 10.6 | 3.08 | 3.33 |
(WY) | 1949 | 1949 | 1954 | 1954 | 1954 | 1956 | 1946 | 1946 | 1956 | 1946 | 1948 | 1952 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1946 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 79737 | 84207 | ||||
ANNUAL MEAN | 218 | 231 | 131 | |||
HIGHEST ANNUAL MEAN | 250 | 1993 | ||||
LOWEST ANNUAL MEAN | 36.6 | 1953 | ||||
HIGHEST DAILY MEAN | 1280 | Oct 18 | 1340 | Apr 23 | 3220 | Aug 17 1987 |
LOWEST DAILY MEAN | 42 | Aug 3 | 32 | Sep 26 | 1.0 | Aug 27 1950 |
ANNUAL SEVEN-DAY MINIMUM | 45 | Jul 28 | 40 | Sep 20 | 2.1 | Oct 15 1948 |
INSTANTANEOUS PEAK FLOW | 1550 | Apr 23 | 3540 | Aug 17 1987 | ||
INSTANTANEOUS PEAK STAGE | 7.95 | Apr 23 | 10.54 | Aug 17 1987 | ||
INSTANTANEOUS LOW FLOW | 26 | Sep 24, 25 | .00 A | May 27 1998 | ||
ANNUAL RUNOFF (CFSM) | 1.90 | 2.01 | 1.14 | |||
ANNUAL RUNOFF (INCHES) | 25.79 | 27.24 | 15.44 | |||
10 PERCENT EXCEEDS | 473 | 557 | 300 | |||
50 PERCENT EXCEEDS | 144 | 146 | 73 | |||
90 PERCENT EXCEEDS | 61 | 56 | 15 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |