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 | 10 | 35 | 207 | e135 | 457 | 2170 | 3800 | 3980 | 590 | 3560 | 69 | 23 |
2 | 10 | 34 | 183 | 162 | 754 | 1280 | 3720 | 4350 | 503 | 1430 | 64 | 23 |
3 | 10 | 34 | 153 | 318 | 745 | 956 | 2330 | 3960 | 462 | 723 | 59 | 23 |
4 | 9.9 | 33 | 137 | 542 | 599 | 814 | 2230 | 2120 | 422 | 634 | 110 | 19 |
5 | 22 | 32 | 128 | 790 | 522 | 687 | 1480 | 1190 | 399 | 536 | 661 | 18 |
6 | 24 | 38 | 116 | 846 | 456 | 596 | 1120 | 1180 | 378 | 971 | 183 | 15 |
7 | 23 | 67 | 95 | 1210 | 402 | 544 | 1070 | 1240 | 340 | 1060 | 117 | 13 |
8 | 22 | 79 | 87 | 1450 | 368 | 1580 | 1680 | 1020 | 358 | 926 | 98 | 11 |
9 | 21 | 77 | 85 | 1400 | 346 | 3600 | 1990 | 813 | 1300 | 977 | 93 | 9.8 |
10 | 22 | 63 | 82 | 973 | 332 | 3410 | 1840 | 675 | 1170 | 947 | 79 | 9.2 |
11 | 23 | 53 | 85 | 648 | 1190 | 2060 | 1430 | 587 | 785 | 766 | 63 | 9.4 |
12 | 22 | 46 | 92 | 565 | 2960 | 1250 | 1110 | 547 | 838 | 450 | 53 | 9.2 |
13 | 23 | 44 | 77 | 539 | 2140 | 1050 | 1040 | 1270 | 668 | 366 | 46 | 9.1 |
14 | 24 | 41 | 58 | 453 | 1360 | 1240 | 2170 | 1120 | 920 | 319 | 41 | 44 |
15 | 28 | 38 | 60 | e430 | 966 | 1220 | 2160 | 677 | 4060 | 281 | 38 | 226 |
16 | 23 | 37 | 72 | e390 | 797 | 1000 | 2080 | 603 | 5010 | 251 | 35 | 155 |
17 | 23 | 37 | 71 | e360 | 834 | 2310 | 1420 | 533 | 5110 | 224 | 33 | 78 |
18 | 23 | 39 | 71 | e340 | 958 | 4320 | 1050 | 444 | 3830 | 205 | 33 | 43 |
19 | 21 | 38 | 77 | e320 | 799 | 5340 | 860 | 407 | 2490 | 196 | 31 | 29 |
20 | 20 | 34 | 76 | e300 | 784 | 4490 | 756 | 566 | 1680 | 184 | 28 | 21 |
21 | 20 | 36 | 80 | e280 | 714 | 2530 | 689 | 939 | 1340 | 168 | 27 | 17 |
22 | 19 | 37 | 83 | e270 | 618 | 1480 | 649 | 968 | 1470 | 160 | 24 | 17 |
23 | 19 | 37 | 94 | e260 | 562 | 1120 | 608 | 1150 | 1590 | 158 | 21 | 16 |
24 | 20 | 38 | 119 | e250 | 521 | 925 | 547 | 2720 | 1080 | 143 | 20 | 16 |
25 | 22 | 39 | 133 | e245 | 476 | 804 | 515 | 4070 | 794 | 129 | 18 | 17 |
26 | 30 | 35 | 160 | 243 | 466 | 748 | 540 | 5120 | 643 | 115 | 16 | 18 |
27 | 31 | 34 | 151 | 241 | 2850 | 677 | 502 | 2850 | 547 | 107 | 15 | 22 |
28 | 41 | 42 | 138 | 237 | 3330 | 695 | 425 | 1320 | 488 | 102 | 15 | 24 |
29 | 49 | 95 | e130 | 306 | --- | 681 | 842 | 894 | 2320 | 94 | 15 | 32 |
30 | 46 | 216 | e125 | 480 | --- | 593 | 1870 | 797 | 4840 | 87 | 24 | 87 |
31 | 39 | --- | e120 | 528 | --- | 2540 | --- | 702 | --- | 78 | 19 | --- |
TOTAL | 739.9 | 1508 | 3345 | 15511 | 27306 | 52710 | 42523 | 48812 | 46425 | 16347 | 2148 | 1053.7 |
MEAN | 23.9 | 50.3 | 108 | 500 | 975 | 1700 | 1417 | 1575 | 1548 | 527 | 69.3 | 35.1 |
MAX | 49 | 216 | 207 | 1450 | 3330 | 5340 | 3800 | 5120 | 5110 | 3560 | 661 | 226 |
MIN | 9.9 | 32 | 58 | 135 | 332 | 544 | 425 | 407 | 340 | 78 | 15 | 9.1 |
CFSM | .04 | .08 | .16 | .76 | 1.49 | 2.60 | 2.16 | 2.40 | 2.36 | .81 | .11 | .05 |
IN. | .04 | .09 | .19 | .88 | 1.55 | 2.99 | 2.42 | 2.77 | 2.64 | .93 | .12 | .06 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 266 | 261 | 269 | 341 | 513 | 736 | 829 | 759 | 681 | 469 | 163 | 271 |
MAX | 3502 | 2693 | 2686 | 2077 | 2199 | 3734 | 3193 | 4471 | 3081 | 4194 | 899 | 4024 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1949 | 1985 | 1973 | 1995 | 1974 | 1993 | 1993 | 1961 |
MIN | .67 | 2.61 | 2.54 | 3.33 | 5.70 | 30.5 | 22.9 | 20.8 | 21.1 | 3.89 | 2.82 | 1.75 |
(WY) | 1989 | 1990 | 1990 | 1956 | 1989 | 1956 | 1956 | 1956 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1945 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 159667.1 | 258428.6 | ||||
ANNUAL MEAN | 437 | 708 | 462 | |||
HIGHEST ANNUAL MEAN | 1347 | 1993 | ||||
LOWEST ANNUAL MEAN | 23.1 | 1989 | ||||
HIGHEST DAILY MEAN | 9840 | Feb 23 | 5340 | Mar 19 | 35600 | Mar 5 1985 |
LOWEST DAILY MEAN | 7.4 A | Jan 19, 20 | 9.1 | Sep 13 | .00 | Oct 19 1988 |
ANNUAL SEVEN-DAY MINIMUM | 8.2 | Jan 14 | 10 | Sep 7 | .12 | Oct 16 1988 |
INSTANTANEOUS PEAK FLOW | 5550 | May 26 | 38900 B | Mar 5 1985 | ||
INSTANTANEOUS PEAK STAGE | 21.58 | May 26 | 27.03 C | Jan 3 1965 | ||
INSTANTANEOUS LOW FLOW | 8.7 | Sep 12 | ||||
ANNUAL RUNOFF (CFSM) | .67 | 1.08 | .71 | |||
ANNUAL RUNOFF (INCHES) | 9.07 | 14.68 | 9.59 | |||
10 PERCENT EXCEEDS | 926 | 2070 | 1010 | |||
50 PERCENT EXCEEDS | 101 | 319 | 122 | |||
90 PERCENT EXCEEDS | 21 | 22 | 9.6 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |