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 | 2.0 | 3.1 | 256 | 65 | 118 | 214 | e450 | 781 | e250 | 526 | 45 | 17 |
2 | 1.9 | 3.4 | 149 | 54 | 112 | 198 | e400 | 1020 | e240 | 428 | 42 | 17 |
3 | 2.0 | 3.5 | 105 | 50 | 99 | 188 | e350 | 999 | 224 | 376 | 38 | 15 |
4 | 2.0 | 3.4 | 81 | 47 | 99 | 171 | e390 | 1130 | 215 | 341 | 47 | 14 |
5 | 2.1 | 3.6 | 66 | 49 | 98 | 152 | e330 | e840 | 215 | 313 | 85 | 14 |
6 | 2.1 | 4.4 | 51 | 67 | 93 | 144 | e300 | e600 | 198 | 288 | 83 | 13 |
7 | 2.0 | 4.7 | 43 | 121 | 88 | 142 | e370 | e800 | 184 | 372 | 60 | 14 |
8 | 1.9 | 4.0 | 38 | 400 | 84 | 182 | e550 | e1040 | 180 | 479 | 48 | 12 |
9 | 1.9 | 3.7 | 35 | 681 | 80 | 332 | e450 | e800 | 308 | 338 | 42 | 12 |
10 | 2.0 | 3.6 | 35 | 515 | 81 | 339 | e380 | e650 | 338 | 302 | 38 | 11 |
11 | 2.1 | 3.4 | 35 | 407 | 139 | 322 | e330 | e570 | 355 | 259 | 34 | 11 |
12 | 3.7 | 5.3 | 39 | 343 | 261 | 270 | e300 | e510 | 1340 | 236 | 31 | 11 |
13 | 2.8 | 3.3 | 42 | 283 | 232 | 268 | 285 | e460 | 1100 | 212 | 28 | 11 |
14 | 2.5 | 2.8 | 43 | 242 | 201 | 317 | 382 | e420 | 779 | 190 | 27 | 11 |
15 | 2.7 | 3.5 | 39 | 229 | 180 | 300 | 377 | e380 | 1380 | 169 | 29 | 11 |
16 | 2.7 | 3.4 | 37 | 201 | 179 | 278 | 347 | e350 | 1480 | 154 | 32 | 11 |
17 | 2.4 | 3.3 | 35 | 181 | 240 | 465 | 300 | e320 | e1000 | 138 | 27 | 11 |
18 | 2.6 | 3.2 | 32 | 156 | 447 | 955 | 270 | e300 | e700 | 127 | 175 | 11 |
19 | 2.4 | 3.4 | 30 | 142 | 413 | 747 | 260 | 287 | 1660 | 116 | 128 | 11 |
20 | 2.8 | 3.5 | 28 | 134 | 370 | 1010 | 248 | e270 | e1130 | 102 | 59 | 10 |
21 | 2.9 | 3.9 | 25 | 128 | 338 | 1240 | 237 | 257 | e840 | 92 | 42 | 11 |
22 | 3.6 | 3.8 | 27 | 118 | 309 | 1100 | 225 | 262 | e740 | 106 | 34 | 10 |
23 | 2.5 | 3.9 | 29 | 112 | 286 | e880 | 212 | 435 | 1320 | 106 | 30 | 9.7 |
24 | 2.0 | 4.6 | 39 | 106 | 254 | 633 | 204 | 618 | e1020 | 84 | 26 | 9.4 |
25 | 2.3 | 3.4 | 90 | 98 | 230 | e550 | 198 | e530 | e600 | 76 | 23 | 10 |
26 | 3.5 | 3.8 | 99 | 96 | 226 | e480 | 194 | e440 | e370 | 70 | 21 | 10 |
27 | 3.9 | 3.8 | 87 | 96 | 245 | e430 | 172 | e370 | e320 | 64 | 20 | 9.4 |
28 | 4.2 | 5.7 | 78 | 116 | 232 | e1000 | 166 | e330 | e290 | 59 | 20 | 8.8 |
29 | 3.9 | 8.3 | 75 | 133 | --- | e830 | 215 | e310 | e420 | 55 | 22 | 8.7 |
30 | 3.4 | 116 | 68 | 127 | --- | e570 | 273 | e290 | 772 | 52 | 19 | 9.0 |
31 | 3.2 | --- | 55 | 118 | --- | e510 | --- | e270 | --- | 51 | 18 | --- |
TOTAL | 82.0 | 229.7 | 1891 | 5615 | 5734 | 15217 | 9165 | 16639 | 19968 | 6281 | 1373 | 344.0 |
MEAN | 2.65 | 7.66 | 61.0 | 181 | 205 | 491 | 306 | 537 | 666 | 203 | 44.3 | 11.5 |
MAX | 4.2 | 116 | 256 | 681 | 447 | 1240 | 550 | 1130 | 1660 | 526 | 175 | 17 |
MIN | 1.9 | 2.8 | 25 | 47 | 80 | 142 | 166 | 257 | 180 | 51 | 18 | 8.7 |
CFSM | .01 | .04 | .29 | .85 | .96 | 2.29 | 1.43 | 2.51 | 3.11 | .95 | .21 | .05 |
IN. | .01 | .04 | .33 | .98 | 1.00 | 2.65 | 1.59 | 2.89 | 3.47 | 1.09 | .24 | .06 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 65.4 | 80.6 | 148 | 151 | 211 | 265 | 292 | 296 | 232 | 134 | 74.4 | 43.6 |
MAX | 680 | 1009 | 1260 | 988 | 712 | 1116 | 1016 | 1024 | 1099 | 772 | 887 | 546 |
(WY) | 1978 | 1986 | 1983 | 1950 | 1959 | 1979 | 1979 | 1995 | 1974 | 1981 | 1981 | 1993 |
MIN | 2.02 | 2.06 | 2.46 | 4.01 | 5.02 | 6.56 | 16.7 | 7.27 | 17.0 | 7.20 | 3.84 | 1.57 |
(WY) | 1955 | 1955 | 1964 | 1977 | 1963 | 1954 | 1954 | 1954 | 1963 | 1954 | 1988 | 1954 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1948 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 27868.5 | 82538.7 | ||||
ANNUAL MEAN | 76.4 | 226 | 166 | |||
HIGHEST ANNUAL MEAN | 372 | 1993 | ||||
LOWEST ANNUAL MEAN | 8.89 | 1954 | ||||
HIGHEST DAILY MEAN | 989 | Feb 27 | 1660 | Jun 19 | 7000 | Dec 4 1982 |
LOWEST DAILY MEAN | 1.9 | Oct 2, 8, 9 | 1.9 | Oct 2, 8, 9 | .77 | Sep 16 1988 |
ANNUAL SEVEN-DAY MINIMUM | 2.0 | Oct 2 | 2.0 | Oct 2 | .96 | Sep 7 1988 |
INSTANTANEOUS PEAK FLOW | 1740 | Jun 19 | 8930 | Apr 12 1979 | ||
INSTANTANEOUS PEAK STAGE | 15.34 | Jun 19 | 23.11 | Apr 12 1979 | ||
INSTANTANEOUS LOW FLOW | 1.3 | Oct 2 | .30 | Sep 16 1988 | ||
ANNUAL RUNOFF (CFSM) | .36 | 1.06 | .78 | |||
ANNUAL RUNOFF (INCHES) | 4.84 | 14.35 | 10.55 | |||
10 PERCENT EXCEEDS | 211 | 582 | 400 | |||
50 PERCENT EXCEEDS | 30 | 116 | 62 | |||
90 PERCENT EXCEEDS | 3.1 | 3.5 | 6.6 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |