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 | 79 | 167 | 138 | e94 | 198 | 132 | 120 | 249 | 211 | 153 | 96 | 74 |
2 | 78 | 162 | 137 | e112 | 313 | 130 | 120 | 239 | 460 | 142 | 92 | 73 |
3 | 87 | 156 | 136 | e106 | 334 | 129 | 119 | 230 | 235 | 159 | 91 | 77 |
4 | 88 | 152 | 133 | e99 | 235 | 125 | 120 | 220 | 209 | 145 | 90 | 75 |
5 | 251 | 149 | 132 | e91 | 196 | 125 | 113 | 218 | 205 | 136 | 90 | 72 |
6 | 245 | 145 | 140 | e130 | 187 | 123 | 120 | 214 | 244 | 130 | 91 | 71 |
7 | 179 | 140 | 177 | e120 | 180 | 114 | 113 | 213 | 370 | 126 | 93 | 71 |
8 | 151 | 139 | 156 | e110 | 174 | e108 | 113 | 200 | 214 | 124 | 94 | 70 |
9 | 133 | 139 | 146 | e102 | 177 | e105 | 140 | 192 | 195 | 131 | 90 | 69 |
10 | 124 | 619 | 140 | e97 | 177 | e122 | 153 | 186 | 186 | 122 | 89 | 68 |
11 | 117 | 408 | 136 | e95 | 210 | 119 | 140 | 179 | 181 | 117 | 86 | 68 |
12 | 111 | 269 | 134 | e93 | 297 | 115 | 131 | 339 | 201 | 116 | 89 | 68 |
13 | 106 | 234 | 132 | e91 | 213 | 112 | 126 | 1320 | 389 | 114 | 89 | 68 |
14 | 104 | 219 | 130 | e90 | 197 | 112 | 124 | 533 | 286 | 112 | 85 | 67 |
15 | 113 | 200 | 129 | e89 | 187 | 114 | 131 | 357 | 218 | 109 | 83 | 67 |
16 | 109 | 191 | 128 | e88 | 181 | 125 | 272 | 310 | 200 | 108 | 82 | 66 |
17 | 380 | 180 | 127 | e88 | 173 | 168 | 286 | 401 | 190 | 109 | 81 | 65 |
18 | 1400 | 173 | 126 | e87 | 164 | 194 | 225 | 322 | 180 | 109 | 80 | 65 |
19 | 477 | 169 | 124 | e86 | 157 | 161 | 203 | 274 | 174 | 116 | 82 | 65 |
20 | 322 | 161 | 118 | e86 | 151 | 151 | 190 | 253 | 168 | 124 | 80 | 65 |
21 | 277 | 156 | 117 | e88 | 144 | 145 | 201 | 242 | 162 | e116 | 79 | 64 |
22 | 237 | 155 | e100 | e300 | 139 | 138 | 415 | 240 | 160 | e110 | 78 | 64 |
23 | 219 | 152 | e102 | e800 | 137 | 135 | 1620 | 223 | 189 | 104 | 87 | 64 |
24 | 205 | 145 | e107 | 711 | 136 | 133 | 631 | 212 | 220 | 126 | 109 | 64 |
25 | 194 | 145 | e110 | 323 | 135 | 129 | 403 | 203 | 163 | 109 | 93 | 64 |
26 | 184 | 142 | 112 | 224 | 133 | 127 | 343 | 195 | 157 | 108 | 82 | 63 |
27 | 185 | 138 | 112 | 214 | 137 | 126 | 322 | 188 | 153 | 114 | 79 | 74 |
28 | 208 | 136 | 109 | 295 | 137 | 124 | 332 | 183 | 150 | 103 | 78 | 177 |
29 | 191 | 136 | e96 | 205 | --- | 123 | 291 | 177 | 146 | 101 | 76 | 151 |
30 | 182 | 140 | e66 | 174 | --- | 120 | 263 | 172 | 142 | 98 | 74 | 96 |
31 | 172 | --- | e78 | 175 | --- | 120 | --- | 171 | --- | 99 | 74 | --- |
TOTAL | 6908 | 5617 | 3828 | 5463 | 5199 | 4004 | 7880 | 8655 | 6358 | 3690 | 2662 | 2265 |
MEAN | 223 | 187 | 123 | 176 | 186 | 129 | 263 | 279 | 212 | 119 | 85.9 | 75.5 |
MAX | 1400 | 619 | 177 | 800 | 334 | 194 | 1620 | 1320 | 460 | 159 | 109 | 177 |
MIN | 78 | 136 | 66 | 86 | 133 | 105 | 113 | 171 | 142 | 98 | 74 | 63 |
CFSM | 1.53 | 1.28 | .85 | 1.21 | 1.27 | .88 | 1.80 | 1.91 | 1.45 | .82 | .59 | .52 |
IN. | 1.76 | 1.43 | .98 | 1.39 | 1.32 | 1.02 | 2.01 | 2.21 | 1.62 | .94 | .68 | .58 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 66.0 | 72.4 | 74.9 | 99.3 | 153 | 181 | 127 | 128 | 134 | 91.5 | 74.8 | 66.8 |
MAX | 280 | 314 | 267 | 580 | 556 | 588 | 618 | 607 | 560 | 401 | 422 | 225 |
(WY) | 1982 | 1986 | 1973 | 1969 | 1951 | 1993 | 1973 | 1974 | 1993 | 1951 | 1972 | 1972 |
MIN | 15.6 | 17.6 | 15.4 | 14.6 | 22.3 | 33.6 | 34.7 | 25.7 | 25.8 | 19.2 | 23.0 | 14.7 |
(WY) | 1958 | 1950 | 1959 | 1959 | 1964 | 1956 | 1957 | 1940 | 1957 | 1940 | 1963 | 1957 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1940 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 54863 | 62529 | ||||
ANNUAL MEAN | 150 | 171 | 105 | |||
HIGHEST ANNUAL MEAN | 275 | 1973 | ||||
LOWEST ANNUAL MEAN | 30.7 | 1940 | ||||
HIGHEST DAILY MEAN | 1400 | Oct 18 | 1620 | Apr 23 | 5430 | Apr 21 1973 |
LOWEST DAILY MEAN | 41 A | Jan 1 | 63 | Sep 26 | 10 | Dec 10 1958 |
ANNUAL SEVEN-DAY MINIMUM | 46 | Jan 25 | 64 | Sep 20 | 10 | Dec 9 1958 |
INSTANTANEOUS PEAK FLOW | 2280 | Apr 23 | 6770 B | May 17 1974 | ||
INSTANTANEOUS PEAK STAGE | 9.50 | Apr 23 | 17.75 C | Jan 5 1946 | ||
INSTANTANEOUS LOW FLOW | 63 | Sep 26 | 1.9 D | Jan 3 1976 | ||
ANNUAL RUNOFF (CFSM) | 1.03 | 1.17 | .72 | |||
ANNUAL RUNOFF (INCHES) | 13.98 | 15.93 | 9.81 | |||
10 PERCENT EXCEEDS | 245 | 273 | 177 | |||
50 PERCENT EXCEEDS | 127 | 136 | 63 | |||
90 PERCENT EXCEEDS | 72 | 79 | 26 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |