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 | 40 | 51 | 57 | e29 | 134 | 83 | 43 | 230 | 484 | 75 | 31 | 27 |
2 | 27 | 46 | 38 | e32 | 190 | 73 | 41 | 120 | 917 | 44 | 24 | 25 |
3 | 62 | 46 | 31 | e33 | 207 | 105 | 41 | 94 | 554 | 33 | 22 | 25 |
4 | 33 | 51 | 30 | e34 | 145 | 87 | 74 | 83 | 197 | 31 | 22 | 25 |
5 | 26 | 69 | 30 | e35 | 118 | 84 | 56 | 73 | 109 | 29 | 23 | 26 |
6 | 49 | 89 | 186 | e34 | 107 | 147 | 69 | 97 | 78 | 29 | 23 | 26 |
7 | 40 | 66 | 554 | e33 | 100 | 135 | 55 | 84 | 58 | 30 | 24 | 26 |
8 | 30 | 58 | 228 | e33 | 97 | 117 | 51 | 67 | 65 | 28 | 25 | 26 |
9 | 25 | 49 | 118 | e33 | 90 | 104 | 237 | 62 | 70 | 28 | 23 | 26 |
10 | 23 | 290 | 83 | e32 | 102 | 103 | 167 | 55 | 92 | 27 | 22 | 26 |
11 | 24 | 244 | 64 | e32 | 125 | 105 | 324 | 76 | 101 | 27 | 28 | 25 |
12 | 23 | 126 | 55 | e32 | 105 | 108 | 218 | 199 | 106 | 24 | 43 | 25 |
13 | 23 | 86 | 51 | e32 | 80 | 114 | 125 | 417 | 301 | 24 | 39 | 27 |
14 | 22 | 77 | 50 | e33 | 72 | 105 | 98 | 184 | 335 | 24 | 29 | 26 |
15 | 26 | 60 | 54 | e35 | 68 | 119 | 116 | 109 | 118 | 24 | 25 | 25 |
16 | 26 | 61 | 83 | 40 | 68 | 177 | 899 | 80 | 70 | 25 | 23 | 25 |
17 | 30 | 57 | 55 | 49 | 67 | 397 | 733 | 86 | 52 | 25 | 23 | 25 |
18 | 86 | 52 | 43 | 132 | 60 | 312 | 321 | 89 | 43 | 29 | 22 | 24 |
19 | 53 | 47 | 40 | 96 | 56 | 155 | 158 | 70 | 38 | 27 | 73 | 24 |
20 | 51 | 50 | 36 | 84 | 54 | 119 | 115 | 59 | 35 | 28 | 37 | 24 |
21 | 37 | 44 | 38 | 89 | 53 | 97 | 115 | 53 | 33 | 29 | 30 | 25 |
22 | 32 | 37 | 39 | 769 | 49 | 85 | 292 | 92 | 63 | 59 | 28 | 25 |
23 | 32 | 46 | 40 | 1540 | 47 | 78 | 1360 | 118 | 81 | 30 | 26 | 25 |
24 | 30 | 40 | 39 | 1830 | 69 | 76 | 958 | 124 | 101 | 26 | 54 | 24 |
25 | 28 | 36 | 37 | 964 | 107 | 64 | 365 | 88 | 61 | 24 | 79 | 25 |
26 | 25 | 40 | 35 | 511 | 107 | 60 | 180 | 68 | 40 | 24 | 47 | 25 |
27 | 30 | 35 | 34 | 398 | 112 | 54 | 333 | 56 | 61 | 23 | 40 | 26 |
28 | 124 | 34 | 35 | 511 | 100 | 54 | 1760 | 50 | 40 | 24 | 33 | 55 |
29 | 68 | 34 | 36 | 308 | --- | 50 | 946 | 44 | 35 | 24 | 29 | 58 |
30 | 79 | 46 | 35 | 189 | --- | 46 | 371 | 41 | 31 | 26 | 27 | 37 |
31 | 68 | --- | 34 | 148 | --- | 43 | --- | 44 | --- | 24 | 26 | --- |
TOTAL | 1272 | 2067 | 2288 | 8150 | 2689 | 3456 | 10621 | 3112 | 4369 | 924 | 1000 | 833 |
MEAN | 41.0 | 68.9 | 73.8 | 263 | 96.0 | 111 | 354 | 100 | 146 | 29.8 | 32.3 | 27.8 |
MAX | 124 | 290 | 554 | 1830 | 207 | 397 | 1760 | 417 | 917 | 75 | 79 | 58 |
MIN | 22 | 34 | 30 | 29 | 47 | 43 | 41 | 41 | 31 | 23 | 22 | 24 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 59.7 | 87.8 | 99.1 | 102 | 122 | 181 | 181 | 136 | 114 | 74.1 | 59.3 | 58.8 |
MAX | 356 | 385 | 391 | 328 | 421 | 534 | 362 | 399 | 445 | 333 | 236 | 372 |
(WY) | 1955 | 1991 | 1983 | 1993 | 1997 | 1979 | 1950 | 1996 | 1993 | 1996 | 1968 | 1961 |
MIN | 12.5 | 14.3 | 15.5 | 16.2 | 26.6 | 37.4 | 34.0 | 29.3 | 24.9 | 21.7 | 14.9 | 11.7 |
(WY) | 1951 | 1949 | 1951 | 1954 | 1963 | 1981 | 1986 | 1958 | 1948 | 1952 | 1948 | 1948 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1948 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 54687 | 40781 | ||||
ANNUAL MEAN | 150 | 112 | 106 | |||
HIGHEST ANNUAL MEAN | 199 | 1993 | ||||
LOWEST ANNUAL MEAN | 51.5 | 1963 | ||||
HIGHEST DAILY MEAN | 2050 | May 8 | 1830 | Jan 24 | 3810 | Nov 28 1990 |
LOWEST DAILY MEAN | 20 | Sep 29 | 22 | A | 4.4 | Sep 11 1949 |
ANNUAL SEVEN-DAY MINIMUM | 22 | Sep 23 | 23 | Aug 3 | 9.0 | Sep 14 1948 |
INSTANTANEOUS PEAK FLOW | 2230 | Jan 24 | 4700 B | Jul 13 1957 | ||
INSTANTANEOUS PEAK STAGE | 12.82 | Jan 24 | 17.06 C | Jun 14 1981 | ||
INSTANTANEOUS LOW FLOW | 17 | Oct 14 | ||||
10 PERCENT EXCEEDS | 411 | 202 | 227 | |||
50 PERCENT EXCEEDS | 58 | 51 | 47 | |||
90 PERCENT EXCEEDS | 28 | 25 | 23 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |