DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 1070 | 228 | 844 | e1700 | 15500 | 12200 | 1670 | 4930 | 1600 | 2740 | 1300 | 228 |
2 | 1040 | 225 | 1500 | e1900 | 17200 | 12200 | 1380 | 3900 | 2980 | 5230 | 1260 | 225 |
3 | 1020 | 677 | 2620 | e2100 | 18300 | 11400 | 1300 | 3140 | 4230 | 5670 | 1260 | 223 |
4 | 1010 | 1250 | 3100 | e2250 | 17900 | 10200 | 3290 | 2750 | 4190 | 4630 | 1240 | 220 |
5 | 1000 | 1770 | 3260 | e2200 | 16900 | 9290 | 5050 | 2600 | 4680 | 3840 | 1100 | 214 |
6 | 944 | 1410 | 3270 | e2300 | 16100 | 9140 | 6140 | 3180 | 4720 | 3070 | 925 | 206 |
7 | 963 | 1080 | 3270 | e2300 | 17200 | 8990 | 6880 | 4910 | 4300 | 2630 | 733 | 201 |
8 | 1200 | 808 | 3040 | e2100 | 21100 | 8520 | 7390 | 5970 | 3780 | 3270 | 612 | 199 |
9 | 1330 | 608 | 2600 | e1800 | 23700 | 9270 | 7070 | 5830 | 3900 | 2910 | 573 | 198 |
10 | 935 | 682 | 2130 | e1500 | 21000 | 10100 | 6920 | 4620 | 3800 | 3010 | 549 | 199 |
11 | 568 | 1400 | 1630 | e1250 | 19400 | 10300 | 6480 | 3430 | 3350 | 4660 | 511 | 198 |
12 | 390 | 1600 | 1250 | e1050 | 18300 | 9520 | 5450 | 2800 | 3420 | 4420 | 315 | 196 |
13 | 320 | 1810 | 984 | e1100 | 16500 | 7850 | 4110 | 4330 | 4020 | 3840 | 308 | 199 |
14 | 286 | 1430 | 814 | e1800 | 15500 | 6260 | 2810 | 5820 | 5150 | 3760 | 299 | 197 |
15 | 264 | 892 | 684 | e3100 | 15100 | 5580 | 2610 | 6140 | 5880 | 3530 | 296 | 194 |
16 | 247 | 629 | 640 | 3490 | 14500 | 5120 | 4030 | 5350 | 6350 | 3190 | 283 | 204 |
17 | 245 | 511 | 475 | 3360 | 13700 | 4690 | 4690 | 3990 | 5460 | 2840 | 273 | 220 |
18 | 248 | 448 | 333 | 6690 | 13200 | 4330 | 5610 | 3600 | 4430 | 2500 | 265 | 223 |
19 | 261 | 400 | 289 | 8910 | 12800 | 4020 | 5430 | 3180 | 4050 | 2410 | 258 | 224 |
20 | 342 | 375 | 415 | 10700 | 12500 | 3690 | 4290 | 2580 | 3900 | 2270 | 253 | 224 |
21 | 355 | 381 | 1080 | 12300 | 12200 | 3310 | 3620 | 2130 | 3800 | 2010 | 251 | 220 |
22 | 317 | 676 | 1340 | 13900 | 11900 | 2840 | 3340 | 1750 | 3630 | 1620 | 248 | 181 |
23 | 278 | 735 | 1430 | 15300 | 11700 | 3430 | 3180 | 1540 | 3410 | 1250 | 242 | 139 |
24 | 258 | 726 | 1580 | 17800 | 11600 | 5060 | 3090 | 1490 | 5420 | 1010 | 240 | 161 |
25 | 242 | 721 | 1660 | 21400 | 11400 | 4710 | 2980 | 1560 | 6700 | 991 | 233 | 137 |
26 | 229 | 714 | 1680 | 20200 | 11100 | 3890 | 2930 | 1560 | 4750 | 1040 | 239 | 124 |
27 | 215 | 705 | 1660 | 18000 | 10800 | 3210 | 2900 | 1700 | 3760 | 1320 | 253 | 120 |
28 | 205 | 702 | 1640 | 16700 | 11600 | 2760 | 2920 | 1810 | 2870 | 1550 | 261 | 119 |
29 | 197 | 701 | 1630 | 15400 | --- | 2360 | 3240 | 1560 | 2590 | 1660 | 258 | 125 |
30 | 199 | 767 | 1620 | 14100 | --- | 2020 | 4690 | 1430 | 2530 | 1690 | 246 | 120 |
31 | 251 | --- | e1600 | 14100 | --- | 1860 | --- | 1440 | --- | 1440 | 234 | --- |
TOTAL | 16429 | 25061 | 50068 | 240800 | 428700 | 198120 | 125490 | 101020 | 123650 | 86001 | 15318 | 5638 |
MEAN | 530 | 835 | 1615 | 7768 | 15310 | 6391 | 4183 | 3259 | 4122 | 2774 | 494 | 188 |
MAX | 1330 | 1810 | 3270 | 21400 | 23700 | 12200 | 7390 | 6140 | 6700 | 5670 | 1300 | 228 |
MIN | 197 | 225 | 289 | 1050 | 10800 | 1860 | 1300 | 1430 | 1600 | 991 | 233 | 119 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 972 | 1956 | 4752 | 5242 | 6410 | 6823 | 6499 | 4558 | 3295 | 2474 | 1554 | 1010 |
MAX | 5021 | 12600 | 17460 | 12050 | 18850 | 16930 | 16750 | 15470 | 7875 | 6010 | 5397 | 5280 |
(WY) | 1994 | 1994 | 1983 | 1991 | 1982 | 1979 | 1979 | 1996 | 1990 | 1973 | 1998 | 1993 |
MIN | 99.9 | 90.2 | 89.4 | 74.2 | 516 | 891 | 487 | 211 | 102 | 104 | 161 | 102 |
(WY) | 1998 | 1972 | 1977 | 1977 | 1978 | 1981 | 1986 | 1976 | 1988 | 1976 | 1988 | 1976 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1970 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1653585 | 1416295 | ||||
ANNUAL MEAN | 4530 | 3880 | 3782 | |||
HIGHEST ANNUAL MEAN | 6824 | 1973 | ||||
LOWEST ANNUAL MEAN | 1194 | 1992 | ||||
HIGHEST DAILY MEAN | 17200 | Apr 18 | 23700 | Feb 9 | 48700 | May 19 1995 |
LOWEST DAILY MEAN | 182 | Jan 4 | 119 | Sep 28 | 56 | Sep 12 1970 |
ANNUAL SEVEN-DAY MINIMUM | 217 | Oct 27 | 129 | Sep 24 | 63 | Sep 7 1970 |
INSTANTANEOUS PEAK FLOW | 24300 | Feb 9 | 50300 | May 19 1995 | ||
INSTANTANEOUS PEAK STAGE | 22.70 | Feb 9 | 25.79 | May 19 1995 | ||
INSTANTANEOUS LOW FLOW | 116 | Sep 28,30 | 54 | A | ||
10 PERCENT EXCEEDS | 9720 | 11600 | 10400 | |||
50 PERCENT EXCEEDS | 3790 | 2130 | 2000 | |||
90 PERCENT EXCEEDS | 464 | 229 | 143 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |