DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 6180 | 6910 | 11000 | 8100 | 14800 | 22500 | 37500 | 29100 | 20500 | 23800 | 9120 | 7580 |
2 | 5620 | 7290 | 8320 | 7750 | 10500 | 22200 | 39700 | 30000 | 19400 | 23200 | 8350 | 7380 |
3 | 5730 | 7170 | 8450 | 7410 | 17100 | 22900 | 40700 | 30400 | 19200 | 19800 | 7220 | 6390 |
4 | 5710 | 6410 | 8450 | 14500 | 23400 | 22600 | 40000 | 29500 | 18600 | 20000 | 6960 | e5700 |
5 | 5590 | 5670 | 8510 | 16800 | 23000 | 22000 | 37900 | 28400 | 18400 | 20500 | 9490 | e5600 |
6 | 5640 | 7380 | 8470 | 22900 | 22100 | 21300 | 35900 | 29400 | 17600 | 21300 | 14000 | e5400 |
7 | 5610 | 7070 | 8460 | 25100 | 21500 | 20400 | 34900 | 31300 | 16900 | 23200 | 15400 | e5200 |
8 | 5380 | 6010 | 7490 | 28000 | 20900 | 20400 | 34500 | 37000 | 15900 | 24600 | 17200 | e6400 |
9 | 5430 | 5820 | 6730 | 28600 | 20400 | 22900 | 35800 | 45600 | 15400 | 26600 | 21100 | 7890 |
10 | 5430 | 5690 | 6570 | 30600 | 19700 | 21900 | 36200 | 56500 | 15600 | 27900 | 20500 | 8920 |
11 | 5090 | 5820 | 9030 | 33100 | 20000 | 24400 | 35200 | 63800 | 15100 | 28000 | 19500 | 7870 |
12 | 4800 | 5400 | 9300 | 34800 | 21500 | 25700 | 33200 | 61800 | 18400 | 28000 | 15300 | 6370 |
13 | 5250 | 5930 | 7010 | 34800 | 22900 | 26200 | 33900 | 60000 | 22500 | 27500 | 9950 | 5880 |
14 | 5700 | 6420 | 8050 | 34000 | 24700 | 28900 | 35200 | 56200 | 26700 | 26600 | 10700 | 5860 |
15 | 5590 | 6500 | 8360 | 32500 | 25300 | 29300 | 33900 | 52600 | 31200 | 24900 | 10300 | 6080 |
16 | 5640 | 6370 | 7640 | 31400 | 26300 | 29200 | 33400 | 50100 | 32800 | 23400 | 10900 | 5800 |
17 | 5280 | 6320 | 7570 | 30200 | 26000 | 29700 | 32500 | 46700 | 33300 | 21900 | 9100 | 6170 |
18 | 5180 | 5760 | 6700 | 29300 | 25800 | 33100 | 31800 | 43300 | 32500 | 20000 | 9490 | 6260 |
19 | 4980 | 5610 | 7740 | 27800 | 25600 | 37400 | 31700 | 41500 | 32400 | 19000 | 9660 | 6170 |
20 | 5220 | 5880 | 9170 | 26300 | 26200 | 45000 | 31300 | 39800 | 31700 | 18000 | 8350 | 5940 |
21 | 5210 | 6650 | 6560 | 25100 | 26200 | 49000 | 31700 | 37100 | 30900 | 17300 | 7080 | 5830 |
22 | 4510 | 7240 | 6930 | 24300 | 26000 | 50000 | 31800 | 35200 | 29700 | 17800 | 6800 | 6000 |
23 | e3900 | 6290 | 7300 | 23300 | 25600 | 50800 | 31800 | 33000 | 27900 | 17300 | 6470 | 5610 |
24 | e4100 | 6040 | 7830 | 22400 | 24900 | 50400 | 31500 | 31700 | 26800 | 17200 | 6170 | 5630 |
25 | e4300 | 5350 | 8610 | 21200 | 23700 | 48600 | 31400 | 29300 | 23700 | 15500 | 6720 | 5420 |
26 | e600 | 5880 | 8720 | 20700 | 22800 | 45600 | 31100 | 27500 | 23200 | 15300 | 7540 | 5250 |
27 | 5770 | 7180 | 11500 | 20100 | 22700 | 43800 | 31300 | 26500 | 21600 | 15700 | 8070 | 5600 |
28 | 4410 | 5850 | 11900 | 19200 | 23100 | 43700 | 30200 | 24700 | 24300 | 11500 | 8970 | 5330 |
29 | 5010 | 10700 | 12400 | 18500 | --- | 41700 | 29700 | 24300 | 25900 | 9820 | 9550 | 4500 |
30 | 5860 | 12100 | 12600 | 18000 | --- | 39100 | 29100 | 21800 | 25100 | 9510 | 7800 | 4580 |
31 | 5870 | --- | 12000 | 17300 | --- | 38600 | --- | 20500 | --- | 9350 | 7520 | --- |
TOTAL | 158590 | 198710 | 269370 | 734060 | 632700 | 1029300 | 1014800 | 1174600 | 713200 | 624480 | 325280 | 182610 |
MEAN | 5116 | 6624 | 8689 | 23680 | 22600 | 33200 | 33830 | 37890 | 23770 | 20140 | 10490 | 6087 |
MAX | 6180 | 12100 | 12600 | 34800 | 26300 | 50800 | 40700 | 63800 | 33300 | 28000 | 21100 | 8920 |
MIN | 600 | 5350 | 6560 | 7410 | 10500 | 20400 | 29100 | 20500 | 15100 | 9350 | 6170 | 4500 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 9535 | 11260 | 13680 | 14540 | 16800 | 23800 | 25660 | 23370 | 18780 | 13670 | 9860 | 9199 |
MAX | 33180 | 37100 | 52390 | 44480 | 40470 | 56190 | 55630 | 52180 | 46230 | 46130 | 28440 | 34620 |
(WY) | 1987 | 1986 | 1983 | 1993 | 1974 | 1979 | 1983 | 1943 | 1974 | 1993 | 1993 | 1993 |
MIN | 3362 | 4428 | 4598 | 3747 | 3421 | 7000 | 7928 | 7822 | 5579 | 4474 | 5038 | 4027 |
(WY) | 1964 | 1977 | 1944 | 1963 | 1963 | 1964 | 1940 | 1989 | 1977 | 1965 | 1944 | 1963 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1940 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 5621640 | 7057700 | ||||
ANNUAL MEAN | 15400 | 19340 | 15830 | |||
HIGHEST ANNUAL MEAN | 32200 | 1993 | ||||
LOWEST ANNUAL MEAN | 6820 | 1964 | ||||
HIGHEST DAILY MEAN | 76600 | Mar 2 | 63800 | May 11 | 86700 | Dec 7 1982 |
LOWEST DAILY MEAN | 600 A | Oct 26 | 600 A | Oct 26 | 600 A | Oct 26 1997 |
ANNUAL SEVEN-DAY MINIMUM | 3940 | Oct 22 | 3940 | Oct 22 | 2060 | Oct 8 1964 |
INSTANTANEOUS PEAK FLOW | 66400 B | May 11 | 88800 C | Dec 7 1982 | ||
INSTANTANEOUS PEAK STAGE | 20.90 D | May 13 | 26.02 | May 25 1943 | ||
10 PERCENT EXCEEDS | 26800 | 35200 | 32500 | |||
50 PERCENT EXCEEDS | 10600 | 19000 | 11000 | |||
90 PERCENT EXCEEDS | 5600 | 5640 | 5330 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |