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 | 101 | 54 | 45 | e52 | 1730 | 1320 | 982 | 1250 | 566 | 484 | 206 | 75 |
2 | 98 | 52 | 43 | e100 | 2120 | 1360 | 954 | 1190 | 583 | 422 | 203 | 72 |
3 | 91 | 54 | 43 | e220 | 2570 | 1420 | 1060 | 1070 | 586 | 407 | 192 | 70 |
4 | 87 | 56 | 43 | e320 | 2480 | 1420 | 1650 | 963 | 558 | 418 | 178 | 67 |
5 | 81 | 55 | 45 | e430 | 2280 | 1310 | 2630 | 979 | 546 | 388 | 171 | 65 |
6 | 83 | 53 | 46 | e350 | 2080 | 1260 | 3730 | 1110 | 541 | 354 | 164 | 62 |
7 | 135 | 52 | 61 | e250 | 2230 | 1330 | 3990 | 1280 | 524 | 339 | 158 | 62 |
8 | 211 | 50 | 84 | e200 | 2480 | 1380 | 3980 | 1370 | 512 | 322 | 167 | 58 |
9 | 223 | 45 | 69 | e150 | 3120 | 1580 | 3870 | 1370 | 504 | 305 | 174 | 56 |
10 | 164 | 47 | 55 | e120 | 3590 | 1780 | 3660 | 1320 | 493 | 328 | 157 | 54 |
11 | 114 | 53 | 50 | e100 | 3620 | 1930 | 3390 | 1190 | 482 | 362 | 147 | e52 |
12 | 96 | 53 | 48 | e110 | 3480 | 2000 | 3100 | 1020 | 471 | 340 | 146 | 49 |
13 | 86 | 53 | 46 | e250 | 3280 | 1910 | 2790 | 938 | 459 | 318 | 139 | 46 |
14 | 82 | 46 | 45 | e400 | 3050 | 1760 | 2500 | 892 | 460 | 309 | 140 | 46 |
15 | 78 | 44 | 44 | e500 | 2800 | 1600 | 2320 | 856 | 461 | 306 | 135 | 45 |
16 | 75 | 44 | 46 | e530 | 2550 | 1540 | 2240 | 819 | 444 | 300 | 124 | 44 |
17 | 72 | 43 | 44 | e570 | 2300 | 1700 | 2150 | 786 | 431 | 296 | 116 | 45 |
18 | 76 | 44 | 44 | e720 | 2090 | 1920 | 2030 | 787 | 415 | 301 | 114 | 41 |
19 | 102 | 43 | 43 | e800 | 1900 | 2270 | 1900 | 807 | 396 | 323 | 110 | 39 |
20 | 85 | 45 | 43 | 899 | 1730 | 2300 | 1720 | 787 | 384 | 304 | 109 | 40 |
21 | 80 | 47 | 73 | 957 | 1590 | 2090 | 1510 | e760 | 376 | 281 | 105 | 42 |
22 | 77 | 45 | 288 | 1620 | 1450 | 1840 | 1330 | e730 | 367 | 270 | 99 | 43 |
23 | 71 | 43 | 423 | 3320 | 1340 | 1570 | 1200 | e700 | 356 | 276 | 97 | 38 |
24 | 66 | 43 | 380 | 4730 | 1250 | 1460 | 1110 | 675 | 348 | 280 | 92 | 37 |
25 | 62 | 44 | e220 | 4470 | 1170 | 1410 | 1050 | 658 | 354 | 261 | 90 | 36 |
26 | 60 | 43 | e120 | 3810 | 1100 | 1410 | 1020 | 637 | 348 | 245 | 87 | 35 |
27 | 58 | 43 | e80 | 3150 | 1080 | 1430 | 1020 | 618 | 358 | 233 | 86 | 35 |
28 | 55 | 43 | e70 | 2570 | 1250 | 1360 | 1080 | 598 | 528 | 235 | 83 | 36 |
29 | 54 | 43 | e64 | 2080 | --- | 1210 | 1200 | 579 | 595 | 226 | 82 | 37 |
30 | 52 | 44 | e60 | 1810 | --- | 1100 | 1250 | 562 | 548 | 218 | 81 | 39 |
31 | 54 | --- | e56 | 1670 | --- | 1030 | --- | 553 | --- | 210 | 78 | --- |
TOTAL | 2829 | 1424 | 2821 | 37258 | 61710 | 49000 | 62416 | 27854 | 13994 | 9661 | 4030 | 1466 |
MEAN | 91.3 | 47.5 | 91.0 | 1202 | 2204 | 1581 | 2081 | 899 | 466 | 312 | 130 | 48.9 |
MAX | 223 | 56 | 423 | 4730 | 3620 | 2300 | 3990 | 1370 | 595 | 484 | 206 | 75 |
MIN | 52 | 43 | 43 | 52 | 1080 | 1030 | 954 | 553 | 348 | 210 | 78 | 35 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 107 | 438 | 670 | 890 | 1084 | 1325 | 1562 | 1402 | 719 | 401 | 205 | 131 |
MAX | 488 | 3812 | 3510 | 3054 | 3355 | 4439 | 3740 | 6511 | 2062 | 1044 | 523 | 553 |
(WY) | 1985 | 1994 | 1983 | 1991 | 1982 | 1979 | 1989 | 1983 | 1995 | 1998 | 1973 | 1974 |
MIN | 27.3 | 26.1 | 31.0 | 27.2 | 48.8 | 73.6 | 67.4 | 117 | 38.9 | 30.8 | 21.8 | 20.6 |
(WY) | 1971 | 1972 | 1972 | 1972 | 1972 | 1981 | 1981 | 1987 | 1972 | 1971 | 1971 | 1971 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1971 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 281634 | 274463 | ||||
ANNUAL MEAN | 772 | 752 | 742 | |||
HIGHEST ANNUAL MEAN | 1515 | 1983 | ||||
LOWEST ANNUAL MEAN | 161 | 1972 | ||||
HIGHEST DAILY MEAN | 7950 | Apr 18 | 4730 | Jan 24 | 14000 | May 1 1996 |
LOWEST DAILY MEAN | 43 | Several days | 35 | Sep 26,27 | 6.8 | Oct 13 1970 |
ANNUAL SEVEN-DAY MINIMUM | 43 | Nov 23 | 36 | Sep 23 | 7.3 | Aug 17 1971 |
INSTANTANEOUS PEAK FLOW | 4810 | Jan 24 | 14200 A | May 1 1996 | ||
INSTANTANEOUS PEAK STAGE | 25.25 | Jan 24 | 31.84 B | May 4 1983 | ||
INSTANTANEOUS LOW FLOW | 35 | Sep 26,27 | ||||
10 PERCENT EXCEEDS | 2040 | 2100 | 1900 | |||
50 PERCENT EXCEEDS | 417 | 323 | 344 | |||
90 PERCENT EXCEEDS | 51 | 45 | 43 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |