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 | 33 | 71 | 165 | 128 | 731 | 4980 | 4400 | 4580 | 1010 | 9150 | 143 | 71 |
2 | 32 | 64 | 234 | 180 | 747 | 4610 | 4860 | 5200 | 837 | 7750 | 131 | 67 |
3 | 29 | 56 | 215 | 219 | 1060 | 2280 | 5590 | 5660 | 714 | 7240 | 123 | 65 |
4 | 28 | 52 | 189 | 270 | 1030 | 1430 | 7090 | 6280 | 668 | 3570 | 119 | 64 |
5 | 26 | 56 | 165 | 571 | 832 | 1190 | 6780 | 6510 | 632 | 1330 | 233 | 62 |
6 | 25 | 61 | 154 | 847 | 708 | 1010 | 3940 | 4170 | 595 | 1840 | 760 | 56 |
7 | 24 | 58 | 146 | 1020 | 616 | 886 | 2100 | 1920 | 543 | 2860 | 409 | 54 |
8 | 35 | 61 | 136 | 1550 | 542 | 1890 | 2430 | 1730 | 522 | 2550 | 358 | 50 |
9 | 41 | 96 | 123 | 1960 | 494 | 5770 | 3110 | 1360 | 1280 | 1780 | 296 | 47 |
10 | 39 | 102 | 125 | 1800 | 462 | 5570 | 3170 | 1070 | 2040 | 1900 | 201 | 44 |
11 | 39 | 100 | 123 | 1240 | 1510 | 5470 | 2850 | 889 | 1700 | 2040 | 160 | 42 |
12 | 38 | 87 | 123 | 810 | 3570 | 5190 | 2080 | 838 | 1410 | 1300 | 133 | 41 |
13 | 41 | 77 | 129 | 595 | 4220 | 2560 | 1810 | 878 | 1180 | 709 | 117 | 40 |
14 | 40 | 70 | 129 | 567 | 3500 | 2110 | 4610 | 2070 | 1270 | 562 | 106 | 53 |
15 | 39 | 65 | 107 | 490 | 1960 | 2200 | 5240 | 1690 | 3990 | 482 | 97 | 71 |
16 | 39 | 61 | 92 | 438 | 1350 | 1930 | 5080 | 1080 | 4850 | 427 | 90 | 173 |
17 | 43 | 57 | 100 | e420 | 1310 | 2800 | 3830 | 885 | 5080 | 384 | 85 | 247 |
18 | 44 | 56 | 109 | e410 | 1570 | 6150 | 2310 | 653 | 5510 | 387 | 145 | 158 |
19 | 41 | 56 | 115 | e390 | 1500 | 6180 | 1530 | 504 | 6280 | 360 | 97 | 107 |
20 | 41 | 56 | 112 | e380 | 1280 | 6840 | 1230 | 959 | 6610 | 333 | 85 | 79 |
21 | 40 | 57 | 117 | e365 | 1220 | 8730 | 1060 | 1400 | 6040 | 308 | 80 | 65 |
22 | 38 | 56 | 119 | e355 | 1080 | 9510 | 977 | 2260 | 4400 | 375 | 75 | 57 |
23 | 37 | 53 | 125 | e345 | 937 | 7930 | 906 | 3110 | 3820 | 384 | 72 | 50 |
24 | 37 | 55 | 131 | e335 | 845 | 3070 | 832 | 3200 | 2740 | 289 | 69 | 49 |
25 | 38 | 57 | 150 | e325 | 768 | 1650 | 751 | 4550 | 1610 | 246 | 65 | 53 |
26 | 41 | 57 | 167 | e320 | 716 | 1340 | 727 | 6250 | 1090 | 219 | 62 | 53 |
27 | 42 | 56 | 185 | 311 | 4860 | 1210 | 728 | 6220 | 832 | 198 | 58 | 51 |
28 | 48 | 62 | 180 | 313 | 5250 | 1170 | 670 | 6480 | 682 | 184 | 61 | 50 |
29 | 52 | 61 | 158 | 362 | --- | 1230 | 1070 | 6320 | 6480 | 172 | 66 | 51 |
30 | 58 | 70 | 141 | 421 | --- | 1100 | 2090 | 2250 | 10100 | 164 | 60 | 63 |
31 | 70 | --- | 140 | 615 | --- | 1460 | --- | 1180 | --- | 156 | 60 | --- |
TOTAL | 1218 | 1946 | 4404 | 18352 | 44668 | 109446 | 83851 | 92146 | 84515 | 49649 | 4616 | 2133 |
MEAN | 39.3 | 64.9 | 142 | 592 | 1595 | 3531 | 2795 | 2972 | 2817 | 1602 | 149 | 71.1 |
MAX | 70 | 102 | 234 | 1960 | 5250 | 9510 | 7090 | 6510 | 10100 | 9150 | 760 | 247 |
MIN | 24 | 52 | 92 | 128 | 462 | 886 | 670 | 504 | 522 | 156 | 58 | 40 |
CFSM | .03 | .05 | .11 | .46 | 1.23 | 2.73 | 2.16 | 2.30 | 2.18 | 1.24 | .12 | .05 |
IN. | .04 | .06 | .13 | .53 | 1.29 | 3.15 | 2.41 | 2.65 | 2.43 | 1.43 | .13 | .06 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 440 | 516 | 499 | 616 | 1030 | 1336 | 1590 | 1405 | 1137 | 792 | 349 | 451 |
MAX | 5747 | 5949 | 5060 | 3338 | 3899 | 5785 | 5678 | 9257 | 6336 | 5975 | 1591 | 5726 |
(WY) | 1987 | 1986 | 1983 | 1946 | 1985 | 1985 | 1944 | 1995 | 1990 | 1993 | 1932 | 1961 |
MIN | 7.06 | 9.08 | 7.92 | 13.2 | 9.96 | 61.4 | 116 | 21.3 | 42.5 | 16.1 | 11.4 | 5.13 |
(WY) | 1957 | 1990 | 1990 | 1954 | 1989 | 1941 | 1934 | 1934 | 1936 | 1936 | 1936 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1921 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 265954 | 496944 | ||||
ANNUAL MEAN | 729 | 1361 | 846 | |||
HIGHEST ANNUAL MEAN | 2452 | 1993 | ||||
LOWEST ANNUAL MEAN | 50.2 | 1989 | ||||
HIGHEST DAILY MEAN | 9630 | Feb 25 | 10100 | Jun 30 | 26800 | Mar 7 1985 |
LOWEST DAILY MEAN | 15 A | Jan 20, 21 | 24 | Oct 7 | .96 | Sep 25 1989 |
ANNUAL SEVEN-DAY MINIMUM | 17 A | Jan 15 | 28 | Oct 1 | 1.8 | Sep 22 1989 |
INSTANTANEOUS PEAK FLOW | 10600 | Jun 30 | 28000 B | Mar 7 1985 | ||
INSTANTANEOUS PEAK STAGE | 23.93 | Jun 30 | 29.15 C | May 18 1995 | ||
INSTANTANEOUS LOW FLOW | 23 | Oct 7 | .00 | Sep 26 1989 | ||
ANNUAL RUNOFF (CFSM) | .56 | 1.05 | .65 | |||
ANNUAL RUNOFF (INCHES) | 7.65 | 14.30 | 8.89 | |||
10 PERCENT EXCEEDS | 1900 | 4860 | 2250 | |||
50 PERCENT EXCEEDS | 146 | 410 | 235 | |||
90 PERCENT EXCEEDS | 41 | 50 | 27 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |