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 | 16 | e8.5 | e30 | 32 | 96 | 720 | 2770 | 800 | 210 | 846 | 922 | 133 |
2 | e15 | e8.5 | 95 | e28 | 78 | 379 | 1840 | 652 | 161 | 795 | 403 | 212 |
3 | e12 | e9.0 | 117 | e27 | 67 | 256 | 1250 | 997 | 125 | 452 | 198 | 233 |
4 | e10 | e10 | 123 | e29 | 64 | 200 | 1860 | 1620 | 283 | 302 | 111 | 114 |
5 | e9.0 | e13 | 257 | e35 | 60 | 170 | 2570 | 2320 | 1160 | 223 | 1290 | 72 |
6 | e8.5 | e18 | 253 | 54 | 55 | 166 | 2200 | 1700 | 840 | 166 | 2680 | 58 |
7 | e8.0 | e25 | 229 | 105 | 53 | 174 | 1330 | 1170 | 427 | 609 | 2880 | 51 |
8 | e9.0 | e34 | 228 | 270 | 51 | 341 | 915 | 940 | 253 | 761 | 2990 | 47 |
9 | e8.5 | e37 | 228 | 1390 | 47 | 1810 | 675 | 852 | 1070 | 720 | 2810 | 43 |
10 | e8.5 | e31 | 228 | 1670 | 45 | 2590 | 544 | 709 | 2100 | 354 | 1630 | 41 |
11 | e9.5 | e26 | 226 | 794 | 47 | 2300 | 449 | 509 | 1720 | 176 | 932 | 38 |
12 | e8.0 | e23 | 228 | 470 | 47 | 1310 | 362 | 385 | 1650 | 679 | 756 | 37 |
13 | e8.5 | e21 | 226 | 373 | 82 | 757 | 299 | 300 | 2670 | 643 | 417 | 36 |
14 | e10 | e18 | 222 | 339 | 128 | 537 | 320 | 248 | 2860 | 337 | 282 | 36 |
15 | e12 | e17 | 210 | 320 | 100 | 467 | 771 | 483 | 2800 | 218 | 206 | e35 |
16 | e13 | e18 | 202 | 356 | 83 | 443 | 2750 | 338 | 3020 | 140 | 163 | e34 |
17 | e12 | e20 | 196 | 336 | 179 | 429 | 3230 | 232 | 3420 | 96 | 141 | e34 |
18 | e12 | e22 | 160 | 242 | 1460 | 1470 | 3920 | 192 | 3780 | 90 | 204 | e35 |
19 | e12 | e24 | e70 | 128 | 2310 | 2650 | 3530 | 142 | 4150 | 363 | 1090 | e35 |
20 | e11 | e25 | e40 | 83 | 1400 | 3290 | 1790 | 105 | 3600 | 163 | 943 | e35 |
21 | e10 | e25 | e35 | 91 | 749 | 3610 | 898 | 87 | 3140 | 75 | 561 | e37 |
22 | e9.0 | e22 | e37 | 89 | 532 | 4590 | 609 | 768 | 3030 | 56 | 318 | e39 |
23 | e9.0 | e18 | e43 | 80 | 388 | 7320 | 455 | 2530 | 2320 | 800 | 211 | e35 |
24 | e13 | e16 | e54 | 79 | 297 | 8940 | 366 | 2960 | 2120 | 925 | 155 | e30 |
25 | e15 | e13 | 116 | 76 | 230 | 6800 | 296 | 3240 | 1430 | 540 | 119 | 70 |
26 | e15 | e11 | 229 | 73 | 189 | 3210 | 252 | 2650 | 851 | 215 | 99 | 640 |
27 | e13 | e9.5 | 161 | 72 | 244 | 1640 | 215 | 1540 | 540 | 134 | 84 | 327 |
28 | e11 | e8.5 | 97 | 84 | 983 | 2100 | 188 | 876 | 377 | 102 | 74 | 114 |
29 | e10 | e9.0 | 71 | 98 | --- | 2860 | 217 | 547 | 346 | 77 | 69 | 62 |
30 | e9.0 | e15 | 54 | 101 | --- | 3220 | 661 | 374 | 745 | 494 | 65 | 45 |
31 | e8.5 | --- | 41 | 97 | --- | 3500 | --- | 280 | --- | 1920 | 63 | --- |
TOTAL | 335.0 | 555.0 | 4506 | 8021 | 10064 | 68249 | 37532 | 30546 | 51198 | 13471 | 22866 | 2758 |
MEAN | 10.8 | 18.5 | 145 | 259 | 359 | 2202 | 1251 | 985 | 1707 | 435 | 738 | 91.9 |
MAX | 16 | 37 | 257 | 1670 | 2310 | 8940 | 3920 | 3240 | 4150 | 1920 | 2990 | 640 |
MIN | 8.0 | 8.5 | 30 | 27 | 45 | 166 | 188 | 87 | 125 | 56 | 63 | 30 |
CFSM | .01 | .03 | .20 | .35 | .49 | 3.00 | 1.70 | 1.34 | 2.32 | .59 | 1.00 | .13 |
IN. | .02 | .03 | .23 | .41 | .51 | 3.45 | 1.90 | 1.55 | 2.59 | .68 | 1.16 | .14 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 173 | 297 | 577 | 668 | 890 | 1011 | 1002 | 776 | 509 | 311 | 177 | 137 |
MAX | 1704 | 2557 | 3925 | 4171 | 4385 | 4334 | 3062 | 4021 | 3697 | 1853 | 1493 | 1774 |
(WY) | 1970 | 1947 | 1983 | 1950 | 1982 | 1978 | 1979 | 1990 | 1957 | 1957 | 1946 | 1993 |
MIN | 1.19 | 4.65 | 8.03 | 6.31 | 8.97 | 11.9 | 56.0 | 12.3 | 15.9 | 2.50 | 7.38 | 2.32 |
(WY) | 1957 | 1955 | 1955 | 1977 | 1954 | 1954 | 1954 | 1954 | 1988 | 1954 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1910 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 137410.2 | 250101.0 | ||||
ANNUAL MEAN | 376 | 685 | 540 | |||
HIGHEST ANNUAL MEAN | 1067 | 1973,1974 | ||||
LOWEST ANNUAL MEAN | 28.5 | 1954 | ||||
HIGHEST DAILY MEAN | 9360 | Mar 2 | 8940 | Mar 24 | 22200 | Jun 17 1957 |
LOWEST DAILY MEAN | 8.0 | A | 8.0 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 8.6 | Oct 6 | 8.6 | Oct 6 | .00 | Jul 27 1954 |
INSTANTANEOUS PEAK FLOW | 9250 | Mar 24 | 23100 C | Jan 6 1950 | ||
INSTANTANEOUS PEAK STAGE | 18.86 | Mar 24 | 23.02 D | Apr 14 1979 | ||
ANNUAL RUNOFF (CFSM) | .51 | .93 | .74 | |||
ANNUAL RUNOFF (INCHES) | 6.95 | 12.66 | 9.99 | |||
10 PERCENT EXCEEDS | 919 | 2400 | 1430 | |||
50 PERCENT EXCEEDS | 63 | 211 | 108 | |||
90 PERCENT EXCEEDS | 12 | 13 | 13 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |