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 | 75 | 311 | 169 | e111 | 2620 | 1190 | 642 | 1130 | 841 | 447 | 105 | 57 |
2 | 68 | 238 | 155 | e120 | 3070 | 1000 | 675 | 1070 | 3210 | 525 | 88 | 56 |
3 | 76 | 225 | 158 | e180 | 2730 | 2010 | 639 | 1020 | 3820 | 622 | 80 | 55 |
4 | 81 | 320 | 149 | e160 | 2270 | 2710 | 755 | 949 | 2340 | 485 | 75 | 54 |
5 | 93 | 387 | 157 | e130 | 1700 | 2000 | 627 | 917 | 2080 | 396 | 70 | 57 |
6 | 753 | 288 | 196 | e140 | 1360 | 2280 | 565 | 994 | 2250 | 316 | 69 | 55 |
7 | 701 | 212 | 324 | e150 | 4120 | 2570 | 573 | 1550 | 1520 | 283 | 68 | 50 |
8 | 498 | 170 | 228 | e140 | 8320 | 1920 | 591 | 1290 | 1280 | 260 | 72 | 47 |
9 | 383 | 166 | 187 | e135 | 6360 | 1680 | 814 | 991 | 1090 | 221 | 68 | 44 |
10 | 239 | 819 | 161 | e130 | 4170 | 1510 | 958 | 876 | 950 | 200 | 78 | 45 |
11 | 150 | 1200 | 149 | e128 | 3080 | 1260 | 1240 | 801 | 1050 | 183 | 68 | 68 |
12 | 116 | 881 | 142 | e125 | 3090 | 1120 | 1680 | 785 | 968 | e167 | 64 | 80 |
13 | 105 | 566 | 142 | e123 | 2760 | 1220 | 1190 | 1790 | 1530 | e150 | 163 | 61 |
14 | 135 | 477 | 137 | e121 | 1930 | 1320 | 968 | 3120 | 3290 | 137 | 393 | 50 |
15 | 135 | 437 | 189 | e120 | 1680 | 1310 | 1460 | 2300 | 1940 | 130 | 211 | 50 |
16 | 108 | 378 | 132 | e130 | 1650 | 1280 | 6320 | 1710 | 1200 | 123 | 123 | 50 |
17 | 97 | 307 | 130 | e180 | 1520 | 1920 | 9400 | 1410 | 924 | 137 | 92 | 48 |
18 | 122 | 270 | 129 | e400 | 1390 | 1720 | 8450 | 1270 | 777 | 133 | 78 | 48 |
19 | 121 | 258 | 137 | e1500 | 1270 | 1210 | 5720 | 1230 | 690 | 142 | 71 | 47 |
20 | 129 | 237 | 135 | e1200 | 1160 | 1150 | 3630 | 1050 | 659 | 390 | 65 | 46 |
21 | 118 | 214 | 151 | e1000 | 1040 | 1100 | 3230 | 975 | 621 | 223 | 62 | 46 |
22 | 97 | 184 | 130 | e4000 | 974 | 1020 | 3520 | 1670 | 583 | 204 | 62 | 45 |
23 | 95 | 178 | 135 | e11000 | 906 | 851 | 2810 | 2060 | 518 | 163 | 61 | 45 |
24 | 92 | 173 | 132 | 12500 | 854 | 823 | 2240 | 1580 | 572 | e160 | 60 | 41 |
25 | 91 | 190 | 137 | 9130 | 916 | 842 | 1850 | 1310 | 692 | e163 | 62 | 39 |
26 | 91 | 228 | 136 | 5330 | 861 | 780 | 1660 | 1130 | 786 | e166 | 87 | 39 |
27 | 95 | 255 | 133 | 3710 | 827 | 674 | 1550 | 953 | 736 | 159 | 94 | 39 |
28 | 113 | 227 | 128 | 3320 | 927 | 731 | 1410 | 822 | 974 | 177 | 87 | 52 |
29 | 113 | 176 | e120 | 2640 | --- | 755 | 1350 | 768 | 673 | 208 | 88 | 87 |
30 | 483 | 173 | e120 | 2090 | --- | 625 | 1290 | 734 | 519 | 226 | 79 | 152 |
31 | 315 | --- | e110 | 1810 | --- | 609 | --- | 722 | --- | 130 | 66 | --- |
TOTAL | 5888 | 10145 | 4738 | 61953 | 63555 | 41190 | 67807 | 38977 | 39083 | 7426 | 2909 | 1653 |
MEAN | 190 | 338 | 153 | 1998 | 2270 | 1329 | 2260 | 1257 | 1303 | 240 | 93.8 | 55.1 |
MAX | 753 | 1200 | 324 | 12500 | 8320 | 2710 | 9400 | 3120 | 3820 | 622 | 393 | 152 |
MIN | 68 | 166 | 110 | 111 | 827 | 609 | 565 | 722 | 518 | 123 | 60 | 39 |
CFSM | .15 | .26 | .12 | 1.55 | 1.76 | 1.03 | 1.75 | .97 | 1.01 | .19 | .07 | .04 |
IN. | .17 | .29 | .14 | 1.79 | 1.83 | 1.19 | 1.96 | 1.12 | 1.13 | .21 | .08 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 332 | 586 | 875 | 1153 | 1423 | 1723 | 1883 | 1689 | 1226 | 764 | 411 | 258 |
MAX | 3346 | 5743 | 3593 | 6930 | 4818 | 5383 | 6846 | 7615 | 5290 | 4008 | 3049 | 2807 |
(WY) | 1978 | 1986 | 1991 | 1950 | 1982 | 1979 | 1994 | 1943 | 1998 | 1993 | 1979 | 1993 |
MIN | 12.8 | 22.8 | 27.3 | 27.8 | 39.6 | 59.6 | 190 | 83.7 | 43.3 | 26.6 | 17.9 | 14.4 |
(WY) | 1921 | 1921 | 1915 | 1977 | 1931 | 1931 | 1915 | 1934 | 1934 | 1934 | 1930 | 1920 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1915 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 639155 | 345324 | ||||
ANNUAL MEAN | 1751 | 946 | 1024 | |||
HIGHEST ANNUAL MEAN | 2694 | 1993 | ||||
LOWEST ANNUAL MEAN | 139 | 1954 | ||||
HIGHEST DAILY MEAN | 20400 | Jun 16 | 12500 | Jan 24 | 45100 | Apr 13 1994 |
LOWEST DAILY MEAN | 68 | Oct 2 | 39 | Sep 25 - 27 | 2.0 | A |
ANNUAL SEVEN-DAY MINIMUM | 78 | Sep 28 | 42 | Sep 21 | 2.1 | Oct 8 1920 |
INSTANTANEOUS PEAK FLOW | 13300 B | Jan 24 | 48700 C | Mar 13 1939 | ||
INSTANTANEOUS PEAK STAGE | 17.28 D | Jan 23 | 31.56 E | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | 35 | Sep 28 | ||||
ANNUAL RUNOFF (CFSM) | 1.36 | .73 | .79 | |||
ANNUAL RUNOFF (INCHES) | 18.43 | 9.96 | 10.79 | |||
10 PERCENT EXCEEDS | 4570 | 2260 | 2480 | |||
50 PERCENT EXCEEDS | 688 | 383 | 400 | |||
90 PERCENT EXCEEDS | 106 | 68 | 52 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |