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 | 92 | 148 | 186 | e250 | 680 | 1280 | 2010 | 1400 | 782 | 2280 | 367 | 221 |
2 | 91 | 144 | 174 | 325 | 992 | 1170 | 2220 | 1340 | 790 | 1590 | 349 | 212 |
3 | 91 | 139 | 180 | 505 | 1120 | 1100 | 1940 | 1270 | 759 | 1280 | 336 | 206 |
4 | 89 | 135 | 185 | 970 | 1080 | 1040 | 1660 | 1190 | 743 | 1500 | 459 | 200 |
5 | 89 | 136 | 168 | 1250 | 1010 | 981 | 1460 | 1140 | 736 | 1550 | 1010 | 190 |
6 | 89 | 159 | 117 | 1220 | 934 | 932 | 1340 | 1270 | 723 | 1570 | 636 | 186 |
7 | 89 | 199 | 187 | 1830 | 860 | 896 | 1260 | 1800 | 702 | 1880 | 538 | 187 |
8 | 89 | 191 | 183 | 1790 | 815 | 1160 | 1500 | 4060 | 687 | 1920 | 656 | 186 |
9 | 90 | 181 | 175 | 1500 | 782 | 2320 | 2540 | 4560 | 1040 | 1660 | 531 | 178 |
10 | 92 | 169 | 172 | 1230 | 755 | 2040 | 3180 | 3550 | 1360 | 1260 | 446 | 176 |
11 | 90 | 165 | 211 | 1140 | 974 | 1640 | 2830 | 2880 | 2270 | 1060 | 399 | 172 |
12 | 89 | 163 | 185 | e1000 | 2290 | 1380 | 2260 | 2310 | 3390 | 935 | 365 | 168 |
13 | 91 | 157 | 126 | e810 | 2020 | 1290 | 2030 | 2000 | 2750 | 847 | 340 | 166 |
14 | 105 | 153 | 120 | e620 | 1600 | 1220 | 2650 | 2130 | 2160 | 783 | 324 | 216 |
15 | 102 | 162 | 156 | e700 | 1370 | 1130 | 2560 | 1870 | 2110 | 727 | 310 | 353 |
16 | 99 | 149 | 186 | e790 | 1270 | 1060 | 3190 | 1650 | 2900 | 681 | 293 | 326 |
17 | 98 | 118 | 166 | e760 | 1220 | 1120 | 3640 | 1460 | 2430 | 637 | 288 | 273 |
18 | 99 | 151 | 186 | e680 | 1160 | 3250 | 3100 | 1310 | 1780 | 603 | 338 | 244 |
19 | 99 | 169 | 175 | e640 | 1090 | 3790 | 2540 | 1280 | 2960 | 571 | 331 | 228 |
20 | 101 | 157 | 175 | e610 | 1020 | 3260 | 2160 | 1450 | 2940 | 558 | 287 | 217 |
21 | 101 | 154 | 175 | 593 | 976 | 2500 | 2080 | 1260 | 2200 | 598 | 267 | 365 |
22 | 97 | 153 | 181 | e580 | 933 | 1950 | 2500 | 1150 | 1770 | 1150 | 252 | 255 |
23 | 97 | 139 | 191 | e560 | 894 | 1640 | 2550 | 1080 | 1540 | 777 | 242 | 228 |
24 | 103 | 131 | 196 | e550 | 886 | 1440 | 2120 | 1050 | 1640 | 580 | 231 | 224 |
25 | 115 | 155 | 161 | e540 | 860 | 1330 | 1830 | 1030 | 1410 | 528 | 224 | 225 |
26 | 116 | 153 | 243 | 540 | 848 | 1250 | 1690 | 968 | 1220 | 495 | 215 | 223 |
27 | 128 | 147 | 178 | 537 | 1070 | 1190 | 1620 | 918 | 1100 | 469 | 208 | 212 |
28 | 140 | 146 | 341 | 547 | 1390 | 1160 | 1640 | 881 | 1120 | 445 | 267 | 205 |
29 | 142 | 181 | 244 | 558 | --- | 1120 | 1530 | 876 | 1430 | 423 | 322 | 212 |
30 | 144 | 179 | 189 | 581 | --- | 1060 | 1460 | 853 | 3100 | 398 | 270 | 240 |
31 | 143 | --- | e210 | 600 | --- | 1280 | --- | 825 | --- | 383 | 240 | --- |
TOTAL | 3200 | 4683 | 5722 | 24806 | 30899 | 47979 | 65090 | 50811 | 50542 | 30138 | 11341 | 6694 |
MEAN | 103 | 156 | 185 | 800 | 1104 | 1548 | 2170 | 1639 | 1685 | 972 | 366 | 223 |
MAX | 144 | 199 | 341 | 1830 | 2290 | 3790 | 3640 | 4560 | 3390 | 2280 | 1010 | 365 |
MIN | 89 | 118 | 117 | 250 | 680 | 896 | 1260 | 825 | 687 | 383 | 208 | 166 |
CFSM | .10 | .16 | .18 | .80 | 1.10 | 1.54 | 2.16 | 1.63 | 1.68 | .97 | .36 | .22 |
IN. | .12 | .17 | .21 | .92 | 1.15 | 1.78 | 2.41 | 1.88 | 1.87 | 1.12 | .42 | .25 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1936 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 363 | 449 | 463 | 536 | 738 | 1046 | 1070 | 973 | 871 | 558 | 393 | 349 |
MAX | 2043 | 1790 | 1905 | 1976 | 2070 | 3244 | 3562 | 3500 | 3568 | 2946 | 1845 | 1777 |
(WY) | 1942 | 1978 | 1983 | 1946 | 1949 | 1979 | 1973 | 1974 | 1974 | 1990 | 1987 | 1970 |
MIN | 48.8 | 60.4 | 57.1 | 26.5 | 68.8 | 198 | 174 | 140 | 127 | 62.9 | 61.0 | 46.5 |
(WY) | 1954 | 1954 | 1959 | 1977 | 1940 | 1956 | 1956 | 1989 | 1977 | 1940 | 1988 | 1940 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1936 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 190815 | 331905 | ||||
ANNUAL MEAN | 523 | 909 | 652 | |||
HIGHEST ANNUAL MEAN | 1579 | 1993 | ||||
LOWEST ANNUAL MEAN | 159 | 1940 | ||||
HIGHEST DAILY MEAN | 7230 | Feb 22 | 4560 | May 9 | 10100 | Mar 19 1979 |
LOWEST DAILY MEAN | 87 | Aug 6-9 | 89 | A | 22 | Jan 18 1977 |
ANNUAL SEVEN-DAY MINIMUM | 89 | Oct 3 | 89 | Oct 3 | 24 | Jan 17 1977 |
INSTANTANEOUS PEAK FLOW | 4800 | May 9 | 12100 B | Jun 22 1974 | ||
INSTANTANEOUS PEAK STAGE | 13.09 | May 9 | 18.59 C | Jan 23 1969 | ||
INSTANTANEOUS LOW FLOW | 73 | Nov 17 | ||||
ANNUAL RUNOFF (CFSM) | .52 | .91 | .65 | |||
ANNUAL RUNOFF (INCHES) | 7.08 | 12.31 | 8.83 | |||
10 PERCENT EXCEEDS | 893 | 2140 | 1460 | |||
50 PERCENT EXCEEDS | 227 | 680 | 385 | |||
90 PERCENT EXCEEDS | 101 | 140 | 95 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |