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 | 31 | 70 | 80 | 76 | 150 | 106 | 586 | 326 | 56 | 97 | 43 | 49 |
2 | 31 | 62 | 68 | 80 | 289 | 98 | 515 | 231 | 60 | 83 | 45 | 50 |
3 | 31 | 50 | 57 | 106 | 331 | 94 | 359 | 176 | 73 | 65 | 43 | 62 |
4 | 47 | 50 | 54 | 718 | 255 | 108 | 250 | 150 | 64 | 378 | 589 | 70 |
5 | 61 | 43 | 49 | 1040 | 195 | 115 | 186 | 137 | 50 | 203 | 1650 | 52 |
6 | 40 | 52 | 47 | 1130 | 156 | 114 | 154 | 204 | 51 | 106 | 1140 | 48 |
7 | 37 | 52 | 45 | 799 | 136 | 93 | 136 | 1540 | 49 | 392 | 435 | 516 |
8 | 34 | 44 | 42 | 1040 | 127 | 351 | 268 | 2720 | 45 | 768 | 608 | 273 |
9 | 45 | 42 | 38 | 1340 | 117 | 1130 | 293 | 2060 | 143 | 328 | 334 | 126 |
10 | 53 | 38 | 61 | 896 | 112 | 1040 | 269 | 866 | 102 | 161 | 251 | 84 |
11 | 38 | 35 | 100 | 489 | 373 | 653 | 205 | 475 | 476 | 110 | 260 | 71 |
12 | 38 | 33 | 87 | 351 | 820 | 451 | 161 | 361 | 645 | 90 | 172 | 59 |
13 | 43 | 32 | 72 | 230 | 533 | 350 | 150 | 285 | 318 | 77 | 111 | 51 |
14 | 60 | 33 | 64 | 186 | 320 | 305 | 212 | 227 | 165 | 68 | 89 | 50 |
15 | 45 | 47 | 61 | 163 | 225 | 276 | 168 | 192 | 138 | 65 | 78 | 52 |
16 | 40 | 63 | 61 | 135 | 185 | 253 | 159 | 149 | 106 | 63 | 74 | 58 |
17 | 36 | 44 | 67 | 120 | 368 | 415 | 137 | 109 | 85 | 60 | 70 | 48 |
18 | 36 | 36 | 66 | 107 | 910 | 1480 | 114 | 96 | 82 | 55 | 65 | 43 |
19 | 37 | 35 | 75 | 102 | 656 | 2060 | 99 | 86 | 129 | 117 | 61 | 42 |
20 | 35 | 34 | 71 | 92 | 395 | 1330 | 117 | 79 | 80 | 114 | 53 | 50 |
21 | 35 | 35 | 67 | 87 | 281 | 730 | 557 | 73 | 69 | 78 | 51 | 84 |
22 | 33 | 34 | 83 | 81 | 214 | 540 | 544 | 70 | 64 | 99 | 51 | 45 |
23 | 31 | 34 | 151 | 84 | 177 | 409 | 331 | 66 | 59 | 216 | 51 | 41 |
24 | 36 | 33 | 156 | 81 | 181 | 326 | 223 | 70 | 53 | 118 | e135 | 38 |
25 | 42 | 35 | 342 | 76 | 159 | 268 | 164 | 66 | 53 | 78 | e130 | 37 |
26 | 80 | 34 | 326 | 73 | 140 | 234 | 162 | 63 | 478 | 66 | e72 | 38 |
27 | 397 | 40 | 211 | 74 | 146 | 187 | 201 | 61 | 355 | 58 | e58 | 38 |
28 | 157 | 79 | 142 | 76 | 121 | 269 | 150 | 61 | 179 | 58 | e96 | 38 |
29 | 83 | 99 | 117 | 92 | --- | 246 | 296 | 57 | 121 | 53 | e76 | 34 |
30 | 62 | 103 | 103 | 106 | --- | 176 | 308 | 57 | 119 | 46 | e58 | 65 |
31 | 54 | --- | 86 | 107 | --- | 273 | --- | 57 | --- | 48 | e51 | --- |
TOTAL | 1828 | 1421 | 3049 | 10137 | 8072 | 14480 | 7474 | 11170 | 4467 | 4318 | 7000 | 2312 |
MEAN | 59.0 | 47.4 | 98.4 | 327 | 288 | 467 | 249 | 360 | 149 | 139 | 226 | 77.1 |
MAX | 397 | 103 | 342 | 1340 | 910 | 2060 | 586 | 2720 | 645 | 768 | 1650 | 516 |
MIN | 31 | 32 | 38 | 73 | 112 | 93 | 99 | 57 | 45 | 46 | 43 | 34 |
CFSM | .28 | .23 | .47 | 1.57 | 1.39 | 2.25 | 1.20 | 1.73 | .72 | .67 | 1.09 | .37 |
IN. | .33 | .25 | .55 | 1.81 | 1.44 | 2.59 | 1.34 | 2.00 | .80 | .77 | 1.25 | .41 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 102 | 151 | 178 | 176 | 222 | 331 | 320 | 252 | 199 | 131 | 104 | 105 |
MAX | 645 | 572 | 767 | 572 | 667 | 916 | 712 | 638 | 817 | 555 | 360 | 480 |
(WY) | 1955 | 1991 | 1983 | 1993 | 1997 | 1979 | 1950 | 1996 | 1993 | 1957 | 1968 | 1961 |
MIN | 19.8 | 18.1 | 27.8 | 27.0 | 38.1 | 81.2 | 65.1 | 51.8 | 35.4 | 39.0 | 23.8 | 17.8 |
(WY) | 1957 | 1950 | 1963 | 1963 | 1964 | 1964 | 1986 | 1958 | 1949 | 1948 | 1948 | 1949 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1948 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 63568 | 75728 | ||||
ANNUAL MEAN | 174 | 207 | 189 | |||
HIGHEST ANNUAL MEAN | 333 | 1993 | ||||
LOWEST ANNUAL MEAN | 72.4 | 1964 | ||||
HIGHEST DAILY MEAN | 3450 | Feb 22 | 2720 | May 8 | 4240 | Jul 14 1957 |
LOWEST DAILY MEAN | 28 | Aug 1 | 31 | Oct 1-3, 23 | 7.9 | Oct 6 1950 |
ANNUAL SEVEN-DAY MINIMUM | 34 | Nov 20 | 34 | Nov 20 | 14 | Oct 27 1949 |
INSTANTANEOUS PEAK FLOW | 2820 | May 8 | 4440 A | Jul 14 1957 | ||
INSTANTANEOUS PEAK STAGE | 16.96 | May 8 | 20.50 | Nov 28 1990 | ||
INSTANTANEOUS LOW FLOW | 25 | Oct 3 | ||||
ANNUAL RUNOFF (CFSM) | .84 | 1.00 | .91 | |||
ANNUAL RUNOFF (INCHES) | 11.37 | 13.54 | 12.34 | |||
10 PERCENT EXCEEDS | 370 | 477 | 434 | |||
50 PERCENT EXCEEDS | 83 | 93 | 85 | |||
90 PERCENT EXCEEDS | 36 | 39 | 36 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |