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 | 21 | 19 | 62 | e35 | 2190 | 463 | 196 | 1920 | 311 | 349 | 22 | 9.6 |
2 | 21 | 23 | 60 | e40 | 2190 | 430 | 197 | 1980 | 1130 | 300 | 20 | 7.9 |
3 | 21 | 165 | 58 | e36 | 2180 | 457 | 206 | 1910 | 1800 | 287 | 12 | 7.2 |
4 | 22 | 304 | e58 | e33 | 2140 | 447 | 234 | 1640 | 2020 | 256 | 4.7 | 8.0 |
5 | 21 | 270 | e58 | e31 | 1920 | 470 | 238 | 1370 | 2210 | 237 | 5.8 | 6.8 |
6 | 26 | 224 | e58 | e34 | 1660 | 489 | 263 | 1400 | 2490 | 212 | 37 | 6.1 |
7 | 24 | 221 | e60 | e39 | 2100 | 404 | 304 | 1300 | 2690 | 183 | 13 | 6.3 |
8 | 24 | 208 | e65 | e37 | 3210 | 356 | 451 | 1210 | 2650 | 157 | 13 | 6.5 |
9 | 30 | 181 | e73 | e35 | 3650 | 367 | 1020 | 1220 | 2380 | 137 | 6.5 | 6.3 |
10 | 46 | 179 | e76 | e34 | 4030 | 386 | 975 | 1170 | 2050 | 121 | 4.7 | 5.5 |
11 | 81 | 190 | e75 | e32 | 4580 | 412 | 798 | 1060 | 1460 | 108 | 6.2 | 5.0 |
12 | 57 | 175 | e107 | e31 | 4520 | 505 | 678 | 934 | 1050 | 99 | 4.4 | 5.2 |
13 | 36 | 211 | e145 | e30 | 3920 | 608 | 570 | 1200 | 1080 | 89 | 83 | 6.0 |
14 | 26 | 250 | 148 | e29 | 3120 | 619 | 457 | 1390 | e1500 | 97 | 301 | 5.3 |
15 | 21 | 238 | 146 | e29 | 2470 | 577 | 565 | 1330 | e1800 | 110 | 208 | 5.2 |
16 | 17 | 205 | 138 | e35 | 1950 | 536 | 1490 | 1270 | e1940 | 88 | 17 | 5.2 |
17 | 16 | 175 | 105 | e55 | 1530 | 499 | 2240 | 1340 | e2050 | 70 | 10 | 5.2 |
18 | 15 | 150 | 67 | e90 | 1290 | 444 | 2420 | 1440 | 2060 | 60 | 19 | 4.9 |
19 | 14 | 132 | 51 | e160 | 1080 | 390 | e2630 | 1310 | 1850 | 55 | 7.0 | 5.1 |
20 | 15 | 119 | 45 | e230 | 897 | 341 | e2840 | 1140 | 1460 | 51 | 115 | 5.2 |
21 | 15 | 106 | 44 | 285 | 756 | 314 | e2950 | 899 | 981 | 47 | 29 | 4.8 |
22 | 16 | 96 | 43 | 661 | 653 | 297 | 2770 | 697 | 696 | 42 | 18 | 4.5 |
23 | 16 | 89 | 43 | 1740 | 581 | 285 | 2330 | 619 | 585 | 39 | 19 | 4.1 |
24 | 15 | 82 | 42 | 2140 | 589 | 277 | e1960 | 598 | 553 | 37 | 16 | 4.1 |
25 | 14 | 77 | 41 | e2250 | e512 | 267 | e1650 | 553 | 527 | 33 | 5.8 | 3.6 |
26 | 13 | 73 | 40 | e2550 | e468 | 253 | e1400 | 472 | 485 | 31 | 4.2 | 3.3 |
27 | 13 | 70 | 39 | 2930 | e453 | 237 | 1230 | 389 | 531 | 29 | 88 | 3.3 |
28 | 13 | 67 | 39 | 3300 | e474 | 223 | e1480 | 335 | 470 | 27 | 29 | 7.7 |
29 | 13 | 64 | e35 | 3190 | --- | 216 | e1710 | 303 | 421 | 26 | 19 | 5.7 |
30 | 33 | 63 | e25 | 2690 | --- | 208 | e1850 | 280 | 366 | 25 | 15 | 1.4 |
31 | 22 | --- | e30 | 2170 | --- | 199 | --- | 267 | --- | 23 | 12 | --- |
TOTAL | 737 | 4426 | 2076 | 24981 | 55113 | 11976 | 38102 | 32946 | 41596 | 3425 | 1164.3 | 165.0 |
MEAN | 23.8 | 148 | 67.0 | 806 | 1968 | 386 | 1270 | 1063 | 1387 | 110 | 37.6 | 5.50 |
MAX | 81 | 304 | 148 | 3300 | 4580 | 619 | 2950 | 1980 | 2690 | 349 | 301 | 9.6 |
MIN | 13 | 19 | 25 | 29 | 453 | 199 | 196 | 267 | 311 | 23 | 4.2 | 1.4 |
CFSM | .03 | .17 | .08 | .93 | 2.27 | .45 | 1.46 | 1.23 | 1.60 | .13 | .04 | .01 |
IN. | .03 | .19 | .09 | 1.07 | 2.36 | .51 | 1.63 | 1.41 | 1.78 | .15 | .05 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1949 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 176 | 257 | 537 | 601 | 881 | 1041 | 1077 | 966 | 840 | 390 | 250 | 142 |
MAX | 2748 | 2846 | 4546 | 3788 | 4273 | 3669 | 3991 | 4482 | 3600 | 3053 | 3046 | 2876 |
(WY) | 1970 | 1986 | 1968 | 1950 | 1982 | 1978 | 1994 | 1996 | 1974 | 1957 | 1958 | 1993 |
MIN | 1.06 | .67 | .19 | .75 | 4.48 | 13.1 | 79.0 | 17.9 | 3.20 | 1.74 | 1.02 | 1.13 |
(WY) | 1989 | 1977 | 1977 | 1990 | 1989 | 1954 | 1977 | 1954 | 1988 | 1954 | 1964 | 1987 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1949 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 309953.9 | 216707.3 | ||||
ANNUAL MEAN | 849 | 594 | 595 | |||
HIGHEST ANNUAL MEAN | 1345 | 1973 | ||||
LOWEST ANNUAL MEAN | 26.3 | 1954 | ||||
HIGHEST DAILY MEAN | 5050 | Jun 23 | 4580 | Feb 11 | 19000 | Apr 14 1994 |
LOWEST DAILY MEAN | 1.5 | Jan 4 | 1.4 A | Sep 30 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 5.0 | Jan 1 | 4.0 | Sep 21 | .00 | Jun 9 1988 |
INSTANTANEOUS PEAK FLOW | 4680 | Feb 11 | 20300 | Apr 14 1994 | ||
INSTANTANEOUS PEAK STAGE | 23.81 | Feb 11 | 32.40 | Apr 14 1994 | ||
INSTANTANEOUS LOW FLOW | .64 A | Sep 30 | ||||
ANNUAL RUNOFF (CFSM) | .98 | .68 | .69 | |||
ANNUAL RUNOFF (INCHES) | 13.30 | 9.30 | 9.33 | |||
10 PERCENT EXCEEDS | 2830 | 2030 | 1590 | |||
50 PERCENT EXCEEDS | 284 | 179 | 164 | |||
90 PERCENT EXCEEDS | 21 | 7.8 | 5.5 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |