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 | 295 | 73 | 248 | e230 | 24600 | 6370 | 938 | 4580 | 430 | 4440 | 198 | 56 |
2 | 196 | 71 | 234 | e750 | 24000 | 5940 | 892 | 4350 | 1620 | 6770 | 159 | 49 |
3 | 145 | 80 | 219 | e2000 | 23000 | 5250 | 1860 | 4380 | 4160 | 7360 | 133 | 47 |
4 | 119 | 89 | 211 | e2700 | 22100 | 4650 | 8120 | 4390 | 4520 | 8370 | 114 | 46 |
5 | 111 | 206 | 206 | e2400 | 21100 | 4460 | 10200 | 4620 | 4670 | 9430 | 104 | 46 |
6 | 165 | 629 | 198 | e1700 | 20200 | 6010 | 12000 | 5570 | 4670 | 9950 | 94 | 48 |
7 | 1760 | 813 | 394 | e1300 | 20100 | 7160 | 13000 | 6250 | 5300 | 9680 | 102 | 37 |
8 | 2870 | 793 | 744 | e1000 | 20100 | 7780 | 13400 | 6440 | 5230 | 8970 | 114 | 33 |
9 | 2750 | 610 | 788 | e800 | 20000 | 8770 | 13600 | 6490 | 5170 | 8070 | 110 | 30 |
10 | 2680 | 463 | e650 | e700 | 20100 | 9790 | 13700 | 5960 | 5460 | 7880 | 100 | 28 |
11 | 2280 | 435 | 519 | e600 | 20300 | 9830 | 13200 | 5200 | 5720 | 8490 | 87 | 27 |
12 | 1540 | 932 | 439 | e550 | 20900 | 9700 | 12700 | 4880 | 5420 | 8630 | 80 | 27 |
13 | 852 | 1800 | 374 | e2500 | 20900 | 9270 | 11800 | 4740 | 4820 | 7710 | 78 | 29 |
14 | 415 | 2080 | 328 | e5000 | 20700 | 8560 | 10900 | 4060 | 4230 | 6080 | 71 | 28 |
15 | 244 | 1960 | 281 | e5500 | 20200 | 7760 | 9910 | 2680 | 4010 | 4360 | 65 | 26 |
16 | 183 | 1520 | 248 | e6000 | 19500 | 7540 | 9140 | 1810 | 3590 | 2370 | 62 | 25 |
17 | 150 | 978 | 225 | 7050 | 18500 | 9000 | 7970 | 1680 | 3700 | 1060 | 56 | 23 |
18 | 153 | 558 | 206 | 8420 | 17300 | 8650 | 6530 | 2130 | 3970 | 596 | 55 | 22 |
19 | 160 | 356 | e180 | 9310 | 16100 | 7250 | 5090 | 1910 | 4100 | 397 | 66 | 22 |
20 | 228 | 288 | e160 | 9610 | 14900 | 5420 | 3960 | 1410 | 3970 | 301 | 72 | 22 |
21 | 304 | 238 | e700 | 9840 | 13900 | 3450 | 3160 | 1090 | 3240 | 589 | 69 | 21 |
22 | 344 | 210 | 3130 | 12800 | 12900 | 1970 | 2590 | 904 | e2000 | 480 | 71 | 20 |
23 | 289 | 195 | 2750 | e15500 | 11900 | 3940 | 2050 | 757 | 718 | 223 | 68 | 19 |
24 | 225 | 181 | 2140 | e19000 | 10700 | 6890 | 1590 | 666 | 405 | 1900 | 62 | 19 |
25 | 181 | 170 | 1550 | e22000 | 9450 | 7130 | 1290 | 958 | 373 | 4380 | 52 | 20 |
26 | 155 | 170 | 1050 | 24300 | 7760 | 6250 | 1800 | 1400 | 911 | 3790 | 49 | 21 |
27 | 136 | 184 | 739 | 25500 | 5920 | 4340 | 2350 | 1280 | 2780 | 1870 | 52 | 25 |
28 | 121 | 184 | 569 | 26400 | 6320 | 2520 | 3020 | 918 | 3790 | 756 | 66 | 34 |
29 | 105 | 189 | 442 | 26100 | --- | 1620 | 4700 | 605 | 3930 | 404 | 80 | 34 |
30 | 91 | 229 | e320 | 24900 | --- | 1220 | 4990 | 424 | 3340 | 302 | 74 | 29 |
31 | 78 | --- | e260 | 24500 | --- | 1030 | --- | 349 | --- | 240 | 64 | --- |
TOTAL | 19325 | 16684 | 20502 | 298960 | 483450 | 189520 | 206450 | 92881 | 106247 | 135848 | 2627 | 913 |
MEAN | 623 | 556 | 661 | 9644 | 17270 | 6114 | 6882 | 2996 | 3542 | 4382 | 84.7 | 30.4 |
MAX | 2870 | 2080 | 3130 | 26400 | 24600 | 9830 | 13700 | 6490 | 5720 | 9950 | 198 | 56 |
MIN | 78 | 71 | 160 | 230 | 5920 | 1030 | 892 | 349 | 373 | 223 | 49 | 19 |
CFSM | .20 | .18 | .21 | 3.11 | 5.57 | 1.97 | 2.22 | .97 | 1.14 | 1.41 | .03 | .01 |
IN. | .23 | .20 | .25 | 3.59 | 5.80 | 2.27 | 2.48 | 1.11 | 1.27 | 1.63 | .03 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 537 | 1516 | 2681 | 3810 | 4557 | 5490 | 5459 | 4316 | 2404 | 1332 | 770 | 398 |
MAX | 5429 | 12840 | 12960 | 23300 | 17270 | 17680 | 15400 | 19330 | 10120 | 7315 | 6024 | 2766 |
(WY) | 1950 | 1994 | 1983 | 1950 | 1999 | 1979 | 1945 | 1961 | 1957 | 1969 | 1979 | 1993 |
MIN | 5.25 | 8.23 | 16.4 | 30.6 | 62.7 | 25.3 | 176 | 167 | 44.5 | 40.8 | 22.7 | 3.07 |
(WY) | 1965 | 1954 | 1954 | 1977 | 1963 | 1954 | 1954 | 1988 | 1988 | 1940 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1940 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1268285 | 1573407 | ||||
ANNUAL MEAN | 3475 | 4311 | 2763 | |||
HIGHEST ANNUAL MEAN | 6094 | 1950 | ||||
LOWEST ANNUAL MEAN | 151 | 1954 | ||||
HIGHEST DAILY MEAN | 13300 | May 8 | 26400 | Jan 28 | 46000 | May 13 1961 |
LOWEST DAILY MEAN | 58 | Sep 15-17 | 19 | Sep 23,24 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 60 | Sep 12 | 20 | Sep 20 | 1.5 | Sep 18 1953 |
INSTANTANEOUS PEAK FLOW | 26800 B | Jan 28 | 46900 | May 12 1961 | ||
INSTANTANEOUS PEAK STAGE | 32.91 C | Jan 27 | 36.70 | May 13 1961 | ||
INSTANTANEOUS LOW FLOW | 18 | Sep 23,24 | ||||
ANNUAL RUNOFF (CFSM) | 1.12 | 1.39 | .89 | |||
ANNUAL RUNOFF (INCHES) | 15.21 | 18.87 | 12.10 | |||
10 PERCENT EXCEEDS | 9320 | 12800 | 8820 | |||
50 PERCENT EXCEEDS | 1930 | 1550 | 568 | |||
90 PERCENT EXCEEDS | 124 | 62 | 38 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |