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 | 103 | 120 | 128 | e47 | 264 | 199 | 90 | 381 | 186 | 224 | 45 | 44 |
2 | 90 | 103 | 91 | e49 | 330 | 173 | 93 | 294 | 725 | 181 | 41 | 40 |
3 | 146 | 90 | 78 | e50 | 365 | 185 | 88 | 247 | 531 | 124 | 36 | 38 |
4 | 106 | 83 | 72 | e58 | 289 | 160 | 101 | 213 | 281 | 98 | 33 | 39 |
5 | 183 | 74 | 68 | e62 | 231 | 145 | 98 | 186 | 216 | 76 | 35 | 36 |
6 | 250 | 67 | 162 | e63 | 218 | 162 | 99 | 227 | 177 | 66 | 35 | 33 |
7 | 200 | 64 | 429 | e64 | 205 | 158 | 92 | 233 | 146 | 61 | 42 | 38 |
8 | 136 | 65 | 274 | e63 | 179 | 145 | 106 | 183 | 130 | 54 | 48 | 37 |
9 | 102 | 68 | 187 | e62 | 164 | 145 | 519 | 156 | 115 | 116 | 39 | 32 |
10 | 80 | 523 | 148 | e62 | 152 | 153 | 465 | 138 | 106 | 153 | 38 | 36 |
11 | 67 | 577 | 122 | e62 | 176 | 154 | 297 | 173 | 209 | 93 | 37 | 35 |
12 | 61 | 315 | 106 | e61 | 293 | 155 | 202 | 663 | 434 | 71 | 61 | 40 |
13 | 57 | 220 | 98 | e62 | 213 | 164 | 162 | 509 | 700 | 58 | 66 | 60 |
14 | 50 | 173 | 92 | e62 | 170 | 161 | 139 | 323 | 1250 | 50 | 50 | 51 |
15 | 50 | 143 | 84 | e67 | 150 | 172 | 181 | 237 | 843 | 47 | 40 | 43 |
16 | 49 | 124 | 74 | e70 | 138 | 226 | 721 | 195 | 421 | 44 | 37 | 40 |
17 | 413 | 110 | 70 | e100 | 132 | 417 | 693 | 405 | 299 | 53 | 36 | 40 |
18 | 1450 | 99 | 68 | e130 | 119 | 426 | 416 | 392 | 231 | 55 | 33 | 38 |
19 | 1330 | 90 | e64 | e84 | 113 | 308 | 297 | 272 | 190 | 74 | 122 | 38 |
20 | 625 | 78 | 63 | e94 | 102 | 238 | 226 | 201 | 160 | 87 | 73 | 43 |
21 | 353 | 70 | 61 | e220 | 94 | 199 | 217 | 201 | 134 | 171 | 50 | 43 |
22 | 252 | 71 | e60 | e1070 | 93 | 173 | 405 | 740 | 138 | 139 | 44 | 40 |
23 | 200 | 67 | e59 | 1680 | 90 | 154 | 1580 | 598 | 140 | 106 | 48 | 41 |
24 | 159 | 65 | e58 | 1770 | 87 | 139 | 1500 | 392 | 170 | 178 | 122 | 40 |
25 | 130 | 61 | e55 | 1130 | 92 | 134 | 737 | 273 | 107 | 128 | 190 | 40 |
26 | 112 | 60 | e56 | 596 | 100 | 122 | 466 | 206 | 91 | 97 | 163 | 41 |
27 | 127 | 60 | e57 | 452 | 197 | 112 | 726 | 168 | 182 | 79 | 101 | 58 |
28 | 235 | 57 | e58 | 487 | 236 | 106 | 1210 | 144 | 220 | 61 | 73 | 349 |
29 | 172 | 56 | 52 | 383 | --- | 103 | 919 | 126 | 162 | 56 | 59 | 500 |
30 | 163 | 97 | e50 | 323 | --- | 97 | 512 | 111 | 112 | 52 | 50 | 274 |
31 | 144 | --- | e50 | 278 | --- | 90 | --- | 106 | --- | 49 | 48 | --- |
TOTAL | 7595 | 3850 | 3094 | 9761 | 4992 | 5475 | 13357 | 8693 | 8806 | 2901 | 1895 | 2227 |
MEAN | 245 | 128 | 99.8 | 315 | 178 | 177 | 445 | 280 | 294 | 93.6 | 61.1 | 74.2 |
MAX | 1450 | 577 | 429 | 1770 | 365 | 426 | 1580 | 740 | 1250 | 224 | 190 | 500 |
MIN | 49 | 56 | 50 | 47 | 87 | 90 | 88 | 106 | 91 | 44 | 33 | 32 |
CFSM | 1.99 | 1.04 | .81 | 2.56 | 1.45 | 1.44 | 3.62 | 2.28 | 2.39 | .76 | .50 | .60 |
IN. | 2.30 | 1.16 | .94 | 2.95 | 1.51 | 1.66 | 4.04 | 2.63 | 2.66 | .88 | .57 | .67 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 94.6 | 157 | 114 | 164 | 178 | 196 | 247 | 227 | 178 | 126 | 119 | 94.1 |
MAX | 245 | 290 | 187 | 315 | 518 | 316 | 449 | 449 | 368 | 456 | 174 | 229 |
(WY) | 1999 | 1996 | 1991 | 1999 | 1997 | 1990 | 1993 | 1990 | 1996 | 1996 | 1998 | 1989 |
MIN | 30.5 | 53.3 | 33.5 | 75.8 | 54.8 | 81.6 | 69.5 | 62.6 | 32.7 | 39.5 | 35.7 | 40.9 |
(WY) | 1990 | 1990 | 1990 | 1994 | 1989 | 1996 | 1989 | 1989 | 1992 | 1991 | 1991 | 1991 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1989 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 68136 | 72646 | ||||
ANNUAL MEAN | 187 | 199 | 158 | |||
HIGHEST ANNUAL MEAN | 200 | 1993 | ||||
LOWEST ANNUAL MEAN | 110 | 1989 | ||||
HIGHEST DAILY MEAN | 1650 | May 8 | 1770 | Jan 24 | 4960 | Jul 18 1996 |
LOWEST DAILY MEAN | 35 | Sep 28 | 32 | Sep 9 | 16 | Oct 13 1989 |
ANNUAL SEVEN-DAY MINIMUM | 40 | Sep 23 | 35 | Sep 5 | 19 | Jun 3 1994 |
INSTANTANEOUS PEAK FLOW | 1960 A | Jan 23 | 6620 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 9.81 B | Jan 22 | 14.31 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 29 | Sep 6,9 | 18 | C | ||
ANNUAL RUNOFF (CFSM) | 1.52 | 1.62 | 1.28 | |||
ANNUAL RUNOFF (INCHES) | 20.61 | 21.97 | 17.40 | |||
10 PERCENT EXCEEDS | 417 | 427 | 322 | |||
50 PERCENT EXCEEDS | 118 | 119 | 93 | |||
90 PERCENT EXCEEDS | 56 | 44 | 40 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |