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 | 82 | 109 | 127 | e128 | 4600 | 3730 | 1060 | 4130 | 877 | 1390 | 128 | 70 |
2 | 81 | 111 | 137 | e130 | 4150 | 3650 | 1060 | 3720 | 1410 | 2080 | 123 | 66 |
3 | 82 | 113 | 134 | e120 | 3890 | 3830 | 1040 | 3340 | 2260 | 2070 | 111 | 63 |
4 | 84 | 123 | 134 | e108 | 3480 | 4470 | 1030 | 2960 | 2750 | 1810 | 98 | 59 |
5 | 88 | 121 | 142 | e94 | 2980 | 4570 | 1010 | 2590 | 2440 | 1450 | 91 | 57 |
6 | 97 | 120 | 147 | e98 | 2500 | 4560 | 1050 | 2300 | 2080 | 1120 | 84 | 51 |
7 | 101 | 119 | 151 | e103 | 2250 | 4790 | 1060 | 2230 | 1920 | 882 | 83 | 54 |
8 | 103 | 118 | 171 | e108 | 2670 | 4690 | 1010 | 2070 | 1650 | 694 | 85 | 50 |
9 | 108 | 116 | 169 | e105 | 4300 | 4200 | 1010 | 1930 | 1600 | 555 | 101 | 47 |
10 | 121 | 153 | 163 | e102 | 5000 | 3710 | 1020 | 1680 | 1510 | 450 | 98 | 45 |
11 | 133 | 132 | 169 | e100 | 4720 | 3210 | 1030 | 1480 | 1690 | 393 | 89 | 43 |
12 | 130 | 130 | 170 | e98 | 4220 | 2770 | 1180 | 1390 | 2850 | 337 | 100 | 42 |
13 | 117 | 143 | 163 | e97 | 3780 | 2430 | 1570 | 1610 | 5190 | 294 | 358 | 41 |
14 | 103 | 197 | 163 | e97 | 3350 | 2210 | 1450 | 2170 | 5730 | 258 | 497 | 40 |
15 | 97 | 215 | 158 | e97 | 2820 | 2110 | 1370 | 2950 | 4470 | 229 | 399 | 37 |
16 | 97 | 211 | 148 | e102 | 2400 | 2290 | 4030 | 3010 | 3260 | 204 | 309 | 37 |
17 | 100 | 185 | 144 | e120 | 2160 | 3360 | 10500 | 2570 | 2410 | 186 | 227 | 41 |
18 | 91 | 176 | 160 | e150 | 1990 | 3980 | 12100 | 2100 | 1850 | 179 | 171 | 41 |
19 | 86 | 163 | 137 | e200 | 1850 | 3680 | 12500 | 1760 | 1470 | 178 | 135 | 41 |
20 | 85 | 149 | 142 | e280 | 1700 | 3140 | 11500 | 1540 | 1230 | 185 | 121 | 36 |
21 | 84 | 145 | 146 | e500 | 1540 | 2730 | 9510 | 1380 | 1060 | 367 | 108 | 36 |
22 | 89 | 151 | e144 | e1000 | 1400 | 2390 | 7440 | 1300 | 942 | 395 | 96 | 42 |
23 | 90 | 128 | e138 | e3000 | 1280 | 2070 | 6860 | 1310 | 858 | 353 | 87 | 46 |
24 | 90 | 121 | e129 | e8000 | 1200 | 1810 | 5940 | 1330 | 852 | 484 | 84 | 38 |
25 | 86 | 124 | e120 | e12000 | 1140 | 1610 | 4840 | 1320 | 930 | 443 | 84 | 43 |
26 | 82 | 121 | e112 | e13500 | 1100 | 1460 | 4130 | 1280 | 1140 | 314 | 92 | 43 |
27 | 87 | 120 | e108 | e13400 | 1510 | 1330 | 3640 | 1180 | 1190 | 244 | 98 | 34 |
28 | 96 | 122 | e108 | 12400 | 3040 | 1250 | 3410 | 1060 | 1110 | 211 | 97 | 38 |
29 | 103 | 130 | e112 | 9840 | --- | 1180 | 3990 | 960 | 1130 | 182 | 80 | 51 |
30 | 105 | 127 | e118 | 7430 | --- | 1130 | 4430 | 888 | 1080 | 166 | 81 | 66 |
31 | 102 | --- | e122 | 5610 | --- | 1090 | --- | 852 | --- | 149 | 75 | --- |
TOTAL | 3000 | 4193 | 4386 | 89117 | 77020 | 89430 | 121770 | 60390 | 58939 | 18252 | 4390 | 1398 |
MEAN | 96.8 | 140 | 141 | 2875 | 2751 | 2885 | 4059 | 1948 | 1965 | 589 | 142 | 46.6 |
MAX | 133 | 215 | 171 | 13500 | 5000 | 4790 | 12500 | 4130 | 5730 | 2080 | 497 | 70 |
MIN | 81 | 109 | 108 | 94 | 1100 | 1090 | 1010 | 852 | 852 | 149 | 75 | 34 |
CFSM | .05 | .07 | .07 | 1.37 | 1.32 | 1.38 | 1.94 | .93 | .94 | .28 | .07 | .02 |
IN. | .05 | .07 | .08 | 1.59 | 1.37 | 1.59 | 2.17 | 1.07 | 1.05 | .32 | .08 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1923 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 701 | 964 | 1541 | 1934 | 2520 | 3163 | 3248 | 2701 | 2013 | 1235 | 461 | 569 |
MAX | 8019 | 5850 | 8203 | 9079 | 7425 | 11210 | 8396 | 10910 | 7934 | 7004 | 2497 | 7372 |
(WY) | 1994 | 1986 | 1928 | 1950 | 1982 | 1982 | 1950 | 1943 | 1958 | 1993 | 1977 | 1993 |
MIN | 25.5 | 37.2 | 40.7 | 26.1 | 82.3 | 200 | 574 | 169 | 94.6 | 33.0 | 33.7 | 26.3 |
(WY) | 1957 | 1965 | 1964 | 1945 | 1931 | 1931 | 1931 | 1934 | 1934 | 1934 | 1988 | 1941 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1923 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1046747 | 532285 | ||||
ANNUAL MEAN | 2868 | 1458 | 1753 | |||
HIGHEST ANNUAL MEAN | 4477 | 1993 | ||||
LOWEST ANNUAL MEAN | 365 | 1931 | ||||
HIGHEST DAILY MEAN | 19600 | May 10 | 13500 A | Jan 26 | 27000 | Mar 7 1979 |
LOWEST DAILY MEAN | 77 | Sep 29 | 34 | Sep 27 | 10 | Oct 6 1956 |
ANNUAL SEVEN-DAY MINIMUM | 80 | Sep 27 | 38 | Sep 15 | 14 | Aug 2 1934 |
INSTANTANEOUS PEAK FLOW | 14000 A | Jan 27 | 27000 | B | ||
INSTANTANEOUS PEAK STAGE | 14.23 C | Jan 27 | 21.68 D | Mar 7 1979 | ||
INSTANTANEOUS LOW FLOW | 29 | Sep 16 | 9.0 | E | ||
ANNUAL RUNOFF (CFSM) | 1.37 | .70 | .84 | |||
ANNUAL RUNOFF (INCHES) | 18.62 | 9.47 | 11.39 | |||
10 PERCENT EXCEEDS | 8480 | 4010 | 4780 | |||
50 PERCENT EXCEEDS | 1260 | 309 | 735 | |||
90 PERCENT EXCEEDS | 101 | 82 | 79 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |