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 | 118 | 201 | 249 | e170 | 5510 | 1890 | 761 | 4870 | 1330 | 1730 | 173 | 170 |
2 | 114 | 197 | 240 | e190 | 5220 | 1760 | 809 | 4570 | 2560 | 1390 | 155 | 162 |
3 | 115 | 521 | 237 | e180 | 4700 | 1950 | 887 | 4250 | 4230 | 1340 | 151 | 153 |
4 | 114 | 1090 | 249 | e160 | 4280 | 1960 | 1110 | 3540 | 4790 | 1140 | 157 | 152 |
5 | 124 | 994 | 262 | e140 | 3800 | 2380 | 1180 | 3200 | 4770 | 1060 | 147 | 148 |
6 | 163 | 752 | 236 | e160 | 3450 | 2480 | 1440 | 3810 | 5650 | 1010 | 150 | 137 |
7 | 242 | 629 | 237 | e180 | 4460 | 2090 | 1710 | 3720 | 6250 | 815 | 171 | 132 |
8 | 194 | 564 | 231 | e170 | 8030 | 1940 | 1760 | 3170 | 6180 | 614 | 156 | 139 |
9 | 156 | 512 | 234 | e165 | 10200 | 2140 | 2490 | 2880 | 5530 | 709 | 166 | 130 |
10 | 147 | 617 | 224 | e155 | 10500 | 2180 | 2990 | 2760 | 5130 | 563 | 141 | 121 |
11 | 182 | 758 | 220 | e150 | 10400 | 2110 | 2750 | 2690 | 3530 | 431 | 130 | 116 |
12 | 178 | 709 | 232 | e142 | 9960 | 2330 | 2290 | 2590 | 3110 | 389 | 142 | 115 |
13 | 150 | 620 | 277 | e138 | 9000 | 2520 | 2110 | 3350 | 3640 | 376 | 1180 | 120 |
14 | 131 | 630 | 290 | e135 | 8150 | 2510 | 1990 | 4120 | 5430 | 356 | 2140 | 114 |
15 | 122 | 592 | 288 | e132 | 7030 | 2460 | 2450 | 4050 | 7870 | 344 | 1960 | 112 |
16 | 114 | 528 | 281 | e140 | 5410 | 2400 | 4490 | 3610 | 8560 | 324 | 905 | 107 |
17 | 129 | 471 | 262 | e180 | 4020 | 2260 | 6780 | 3890 | 7220 | 303 | 454 | 107 |
18 | 140 | 420 | 227 | 304 | 3570 | 2120 | 8190 | 3630 | 5720 | 322 | 322 | 105 |
19 | 123 | 386 | 214 | 511 | 3150 | 2100 | 9630 | 3040 | 4590 | 516 | 284 | 110 |
20 | 136 | 364 | 200 | 746 | 2680 | 1940 | 9490 | 2940 | 3790 | 334 | 278 | 106 |
21 | 124 | 335 | 201 | 660 | 2360 | 1780 | 9500 | 2700 | 2750 | 279 | 298 | 100 |
22 | 119 | 315 | 179 | 1630 | 2190 | 1710 | 9470 | 2300 | 2030 | 242 | 239 | 101 |
23 | 113 | 304 | 164 | 3970 | 2030 | 1630 | 9560 | 2060 | 1840 | 220 | 228 | 97 |
24 | 107 | 296 | 173 | 5270 | 2420 | 1570 | 8240 | 2110 | 1870 | 219 | 348 | 93 |
25 | 103 | 281 | 194 | 5950 | e1850 | 1430 | 6280 | 2020 | 1830 | 199 | 322 | 93 |
26 | 107 | 275 | 209 | 6840 | e1750 | 1350 | 4830 | 1810 | 1990 | 186 | 257 | 86 |
27 | 112 | 270 | 207 | 7550 | e1720 | 1230 | 4040 | 1760 | 2490 | 193 | 225 | 81 |
28 | 129 | 262 | e180 | 7940 | 1890 | 1120 | 4510 | 1570 | 2190 | 337 | 263 | 118 |
29 | 150 | 256 | e150 | 8020 | --- | 1090 | 5520 | 1350 | 1960 | 414 | 208 | 205 |
30 | 181 | 253 | e110 | 6950 | --- | 972 | 5590 | 1290 | 1790 | 269 | 188 | 219 |
31 | 232 | --- | e140 | 5520 | --- | 756 | --- | 1260 | --- | 202 | 177 | --- |
TOTAL | 4369 | 14402 | 6797 | 64548 | 139730 | 58158 | 132847 | 90910 | 120620 | 16826 | 12115 | 3749 |
MEAN | 141 | 480 | 219 | 2082 | 4990 | 1876 | 4428 | 2933 | 4021 | 543 | 391 | 125 |
MAX | 242 | 1090 | 290 | 8020 | 10500 | 2520 | 9630 | 4870 | 8560 | 1730 | 2140 | 219 |
MIN | 103 | 197 | 110 | 132 | 1720 | 756 | 761 | 1260 | 1330 | 186 | 130 | 81 |
CFSM | .05 | .18 | .08 | .80 | 1.91 | .72 | 1.69 | 1.12 | 1.54 | .21 | .15 | .05 |
IN. | .06 | .20 | .10 | .92 | 1.99 | .83 | 1.89 | 1.29 | 1.71 | .24 | .17 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1908 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 861 | 954 | 1145 | 1894 | 2293 | 2767 | 3321 | 3196 | 2321 | 1123 | 531 | 587 |
MAX | 12280 | 5516 | 7500 | 12940 | 7762 | 8117 | 14100 | 16760 | 8596 | 4819 | 5914 | 12730 |
(WY) | 1927 | 1942 | 1928 | 1950 | 1951 | 1939 | 1922 | 1943 | 1998 | 1951 | 1915 | 1926 |
MIN | 7.29 | 12.6 | 27.5 | 29.5 | 34.6 | 50.8 | 180 | 113 | 146 | 49.1 | 40.7 | 22.3 |
(WY) | 1915 | 1915 | 1915 | 1918 | 1931 | 1954 | 1931 | 1954 | 1934 | 1954 | 1936 | 1922 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1908 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1042224 | 665071 | ||||
ANNUAL MEAN | 2855 | 1822 | 1746 | |||
HIGHEST ANNUAL MEAN | 4808 | 1927 | ||||
LOWEST ANNUAL MEAN | 114 | 1954 | ||||
HIGHEST DAILY MEAN | 18700 | Jun 20 | 10500 | Feb 10 | 67700 | May 19 1943 |
LOWEST DAILY MEAN | 103 | Oct 25 | 81 | Sep 27 | 3.0 | A |
ANNUAL SEVEN-DAY MINIMUM | 112 | Oct 21 | 93 | Sep 21 | 3.0 | Oct 3 1914 |
INSTANTANEOUS PEAK FLOW | 10700 | Feb 10 | 68700 | May 19 1943 | ||
INSTANTANEOUS PEAK STAGE | 18.62 | Feb 10 | 31.52 B | May 19 1943 | ||
INSTANTANEOUS LOW FLOW | 79 | Sep 27-28 | ||||
ANNUAL RUNOFF (CFSM) | 1.09 | .70 | .67 | |||
ANNUAL RUNOFF (INCHES) | 14.81 | 9.45 | 9.06 | |||
10 PERCENT EXCEEDS | 8730 | 5420 | 4620 | |||
50 PERCENT EXCEEDS | 1190 | 617 | 665 | |||
90 PERCENT EXCEEDS | 144 | 129 | 59 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |