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 | 199 | 578 | 1390 | 563 | 1480 | 2200 | 2810 | 1300 | 859 | 1780 | 256 | 158 |
2 | 191 | 536 | 1200 | 628 | 2370 | 1850 | 2440 | 1500 | 797 | 1360 | 240 | 146 |
3 | 192 | 500 | 1070 | 1000 | 2650 | 1660 | 2030 | 1400 | 761 | 1150 | 227 | 138 |
4 | 192 | 469 | 1030 | e1800 | 2350 | 1530 | 1810 | 1290 | 771 | 1060 | 324 | 130 |
5 | 189 | 426 | 952 | e4000 | 2050 | 1390 | 1640 | 1180 | 736 | 991 | 1030 | 122 |
6 | 182 | 650 | 845 | e4150 | 1790 | 1280 | 1530 | 1160 | 706 | 949 | 519 | 117 |
7 | 174 | 1020 | 772 | e4500 | 1590 | 1220 | 1490 | 1590 | 668 | 1150 | 394 | 112 |
8 | 171 | 1090 | 729 | e4800 | 1470 | 2060 | 2070 | 4660 | 654 | 1220 | 742 | 107 |
9 | 175 | 973 | 704 | e4200 | 1370 | 5490 | 3460 | 4670 | 1350 | 1040 | 541 | 103 |
10 | 174 | 853 | 710 | e3600 | 1300 | 4520 | 3700 | 2630 | 1960 | 992 | 435 | 99 |
11 | 173 | 753 | 702 | 2930 | 2170 | 3180 | 2970 | 2050 | 1600 | 885 | 349 | 98 |
12 | 170 | 672 | 646 | 2510 | 5360 | 2490 | 2340 | 1780 | 2590 | 776 | 275 | 96 |
13 | 174 | 624 | 588 | 2210 | 4750 | 2210 | 2060 | 1600 | 3200 | 713 | 237 | 95 |
14 | 180 | 597 | 549 | e1900 | 3170 | 2190 | 2140 | 1420 | 2370 | 662 | 216 | 120 |
15 | 173 | 614 | 541 | e1800 | 2350 | 2060 | 2140 | 1310 | 4270 | 620 | 204 | 215 |
16 | 165 | 591 | 552 | e1900 | 2040 | 1880 | 2140 | 1420 | 5530 | 577 | 194 | 233 |
17 | 157 | 533 | 543 | e1600 | 1910 | 3360 | 2090 | 1280 | 5810 | 538 | 184 | 198 |
18 | 157 | 507 | 544 | e1480 | 1820 | 7960 | 1850 | 1150 | 4160 | 504 | 325 | 155 |
19 | 156 | 499 | 535 | e1330 | 1700 | 8090 | 1680 | 1090 | 3660 | 482 | 716 | 134 |
20 | 159 | 490 | 536 | 1240 | 1570 | 7340 | 1580 | 1270 | 3290 | 460 | 436 | 123 |
21 | 157 | 477 | 527 | 1270 | 1470 | 6120 | 1530 | 1120 | 2780 | 428 | 287 | 118 |
22 | 159 | 456 | 539 | 1190 | 1400 | 3270 | 1500 | 1090 | 2270 | 402 | 233 | 114 |
23 | 158 | 429 | 574 | 1140 | 1340 | 2480 | 1450 | 1160 | 2020 | 616 | 207 | 115 |
24 | 187 | 404 | 584 | 1100 | 1280 | 2160 | 1360 | 1680 | 1750 | 779 | 190 | 139 |
25 | 275 | 392 | 644 | 1050 | 1220 | 1970 | 1280 | 1750 | 1570 | 509 | 178 | 156 |
26 | 280 | 395 | 689 | 1000 | 1180 | 1850 | 1250 | 1430 | 1430 | 427 | 167 | 143 |
27 | 345 | 399 | 662 | 956 | 2370 | 1730 | 1170 | 1200 | 1300 | 388 | 158 | 123 |
28 | 528 | 556 | 628 | 929 | 2850 | 1640 | 1060 | 1090 | 1210 | 361 | 155 | 116 |
29 | 600 | 1310 | 710 | 1010 | --- | 1580 | 1080 | 1060 | 1150 | 334 | 161 | 113 |
30 | 596 | 1520 | 663 | 1220 | --- | 1490 | 1100 | 985 | 1380 | 303 | 176 | 110 |
31 | 612 | --- | 632 | 1260 | --- | 1730 | --- | 925 | --- | 277 | 182 | --- |
TOTAL | 7400 | 19313 | 21990 | 60266 | 58370 | 89980 | 56750 | 49240 | 62602 | 22733 | 9938 | 3946 |
MEAN | 239 | 644 | 709 | 1944 | 2085 | 2903 | 1892 | 1588 | 2087 | 733 | 321 | 132 |
MAX | 612 | 1520 | 1390 | 4800 | 5360 | 8090 | 3700 | 4670 | 5810 | 1780 | 1030 | 233 |
MIN | 156 | 392 | 527 | 563 | 1180 | 1220 | 1060 | 925 | 654 | 277 | 155 | 95 |
CFSM | .22 | .60 | .66 | 1.81 | 1.94 | 2.71 | 1.76 | 1.48 | 1.95 | .68 | .30 | .12 |
IN. | .26 | .67 | .76 | 2.09 | 2.03 | 3.12 | 1.97 | 1.71 | 2.17 | .79 | .34 | .14 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1943 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 299 | 392 | 467 | 661 | 932 | 1213 | 1319 | 1212 | 1096 | 731 | 337 | 361 |
MAX | 3647 | 2196 | 3090 | 3262 | 3185 | 4185 | 3905 | 4793 | 6036 | 4654 | 2989 | 3715 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1949 | 1979 | 1983 | 1995 | 1974 | 1993 | 1993 | 1970 |
MIN | 15.1 | 23.0 | 14.3 | 11.3 | 35.4 | 132 | 71.2 | 94.3 | 80.8 | 30.2 | 11.1 | 10.4 |
(WY) | 1964 | 1950 | 1964 | 1977 | 1989 | 1956 | 1956 | 1989 | 1963 | 1988 | 1989 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1943 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 265471 | 462528 | ||||
ANNUAL MEAN | 727 | 1267 | 750 | |||
HIGHEST ANNUAL MEAN | 2205 | 1993 | ||||
LOWEST ANNUAL MEAN | 150 | 1989 | ||||
HIGHEST DAILY MEAN | 11300 | Feb 22 | 8090 | Mar 19 | 35100 | Jun 23 1974 |
LOWEST DAILY MEAN | 29 A | Jan 19 | 95 | Sep 13 | 3.0 | Sep 15 1988 |
ANNUAL SEVEN-DAY MINIMUM | 32 | Jan 15 | 101 | Sep 7 | 3.3 | Sep 12 1988 |
INSTANTANEOUS PEAK FLOW | 8560 | Mar 18 | 41000 | Jun 23 1974 | ||
INSTANTANEOUS PEAK STAGE | 19.29 | Mar 18 | 28.03 B | Jun 23 1974 | ||
INSTANTANEOUS LOW FLOW | 94 | Sep 13 | 2.6 | Sep 16 1988 | ||
ANNUAL RUNOFF (CFSM) | .68 | 1.18 | .70 | |||
ANNUAL RUNOFF (INCHES) | 9.21 | 16.05 | 9.50 | |||
10 PERCENT EXCEEDS | 1310 | 2610 | 1710 | |||
50 PERCENT EXCEEDS | 469 | 1000 | 325 | |||
90 PERCENT EXCEEDS | 137 | 160 | 42 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |