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 | 24 | 41 | 25 | e15 | 191 | 59 | 36 | 228 | 248 | 85 | 16 | 17 |
2 | 24 | 32 | 22 | e14 | 243 | 54 | 34 | 183 | 956 | 80 | 17 | 15 |
3 | 40 | 26 | 21 | e16 | 234 | 65 | 34 | 156 | 395 | 61 | 15 | 15 |
4 | 33 | 25 | 20 | e22 | 170 | 65 | 38 | 136 | 232 | 51 | 12 | 13 |
5 | 24 | 23 | 19 | e20 | 132 | 60 | 39 | 122 | 176 | 44 | 12 | 13 |
6 | 23 | 22 | 56 | e18 | 126 | 93 | 41 | 113 | 142 | 38 | 12 | 12 |
7 | 30 | 21 | 331 | e17 | 114 | 105 | 38 | 102 | 115 | 33 | 13 | 12 |
8 | 24 | 20 | 176 | e17 | 99 | 98 | 44 | 80 | 68 | 29 | 14 | 11 |
9 | 20 | 22 | 100 | e16 | 88 | 87 | 164 | 69 | 55 | 26 | 13 | 11 |
10 | 18 | 197 | 65 | e16 | 79 | 87 | 152 | 61 | 59 | 22 | 12 | 11 |
11 | 16 | 179 | 53 | e15 | 77 | 87 | 201 | 63 | 300 | 20 | 12 | 10 |
12 | 14 | 96 | 46 | e15 | 97 | 90 | 149 | 117 | 348 | 19 | 20 | 13 |
13 | 13 | 67 | 41 | e15 | 78 | 99 | 105 | 170 | 504 | 19 | 27 | 16 |
14 | 12 | 51 | 37 | e15 | 67 | 91 | 83 | 124 | 410 | 18 | 23 | 15 |
15 | 13 | 42 | 33 | e15 | 65 | 105 | 133 | 86 | 218 | 17 | 17 | 13 |
16 | 13 | 38 | 32 | e17 | 62 | 191 | 924 | 70 | 149 | 17 | 15 | 12 |
17 | 25 | 32 | 29 | e45 | 57 | 396 | 550 | 147 | 97 | 37 | 13 | 11 |
18 | 87 | 28 | 27 | e110 | 53 | 265 | 305 | 145 | 74 | 49 | 13 | 11 |
19 | 63 | 25 | 25 | e160 | 50 | 174 | 224 | 94 | 59 | 31 | 31 | 11 |
20 | 34 | 23 | 24 | e150 | 47 | 122 | 181 | 70 | 51 | 30 | 36 | 11 |
21 | 24 | 22 | 23 | e160 | 44 | 97 | 156 | 70 | 46 | 28 | 21 | 11 |
22 | 19 | 22 | e23 | e600 | 41 | 81 | 279 | 303 | 86 | 29 | 17 | 11 |
23 | 18 | 21 | e21 | 1400 | 39 | 69 | 1090 | 189 | 227 | 32 | 19 | 11 |
24 | 18 | 20 | e18 | 1220 | 39 | 60 | 478 | 196 | 528 | 25 | 156 | 10 |
25 | 16 | 20 | e17 | 637 | 40 | 53 | 280 | 120 | 234 | 22 | 156 | 10 |
26 | 15 | 21 | e16 | 383 | 42 | 49 | 211 | 84 | 132 | 20 | 80 | 10 |
27 | 24 | 20 | e16 | 370 | 52 | 45 | 865 | 66 | 173 | 19 | 47 | 12 |
28 | 60 | 19 | e15 | 408 | 63 | 43 | 1480 | 55 | 124 | 20 | 31 | 34 |
29 | 44 | 20 | e14 | 277 | --- | 40 | 580 | 47 | 85 | 19 | 25 | 51 |
30 | 109 | 24 | e18 | 228 | --- | 36 | 312 | 41 | 68 | 16 | 21 | 37 |
31 | 63 | --- | e17 | 202 | --- | 36 | --- | 47 | --- | 16 | 19 | --- |
TOTAL | 960 | 1219 | 1380 | 6613 | 2489 | 3002 | 9206 | 3554 | 6359 | 972 | 935 | 450 |
MEAN | 31.0 | 40.6 | 44.5 | 213 | 88.9 | 96.8 | 307 | 115 | 212 | 31.4 | 30.2 | 15.0 |
MAX | 109 | 197 | 331 | 1400 | 243 | 396 | 1480 | 303 | 956 | 85 | 156 | 51 |
MIN | 12 | 19 | 14 | 14 | 39 | 36 | 34 | 41 | 46 | 16 | 12 | 10 |
CFSM | .29 | .38 | .42 | 1.99 | .83 | .91 | 2.87 | 1.07 | 1.98 | .29 | .28 | .14 |
IN. | .33 | .42 | .48 | 2.30 | .87 | 1.04 | 3.20 | 1.24 | 2.21 | .34 | .33 | .16 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 38.6 | 63.7 | 80.7 | 85.7 | 107 | 171 | 172 | 127 | 102 | 57.0 | 34.3 | 40.1 |
MAX | 458 | 359 | 552 | 306 | 416 | 726 | 566 | 488 | 581 | 432 | 144 | 372 |
(WY) | 1955 | 1991 | 1983 | 1974 | 1997 | 1979 | 1947 | 1974 | 1981 | 1957 | 1998 | 1961 |
MIN | 3.05 | 5.34 | 3.15 | 3.89 | 5.54 | 18.9 | 13.8 | 20.1 | 10.9 | 7.17 | 3.36 | 4.35 |
(WY) | 1964 | 1964 | 1964 | 1963 | 1963 | 1964 | 1963 | 1985 | 1988 | 1988 | 1964 | 1966 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1945 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 45004 | 37139 | ||||
ANNUAL MEAN | 123 | 102 | 89.7 | |||
HIGHEST ANNUAL MEAN | 168 | 1993 | ||||
LOWEST ANNUAL MEAN | 20.8 | 1963 | ||||
HIGHEST DAILY MEAN | 2340 | May 7 | 1480 | Apr 28 | 8400 | Jun 13 1981 |
LOWEST DAILY MEAN | 12 | Sep 22,Oct 14 | 10 | Sep 11, 24-26 | .80 | Aug 16 1964 |
ANNUAL SEVEN-DAY MINIMUM | 13 | Sep 21 | 11 | Sep 20 | 1.0 | Aug 12 1964 |
INSTANTANEOUS PEAK FLOW | 2190 | Apr 27 | 17300 A | Jun 13 1981 | ||
INSTANTANEOUS PEAK STAGE | 5.25 | B | 14.90 | Jun 13 1981 | ||
INSTANTANEOUS LOW FLOW | 8.8 | Sep 26, 27 | .50 | C | ||
ANNUAL RUNOFF (CFSM) | 1.15 | .95 | .84 | |||
ANNUAL RUNOFF (INCHES) | 15.65 | 12.91 | 11.39 | |||
10 PERCENT EXCEEDS | 315 | 228 | 195 | |||
50 PERCENT EXCEEDS | 48 | 41 | 30 | |||
90 PERCENT EXCEEDS | 17 | 14 | 7.4 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |