DISCHARGE: January 1878 to current year. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 35500 | 33300 | 43800 | 33900 | 54400 | 116500 | 100200 | 280300 | 167500 | 154700 | 57000 | 35300 |
2 | 34200 | 32400 | 52800 | 34200 | 52800 | 91100 | 102500 | 276100 | 173400 | 154500 | 54600 | 35100 |
3 | 35700 | 34700 | 50900 | 35900 | 46100 | 80500 | 104600 | 268300 | 176200 | 153700 | 54900 | 34400 |
4 | 40500 | 39400 | 48200 | 38200 | 46900 | 77000 | 106400 | 271100 | 178500 | 152400 | 52200 | 30600 |
5 | 36300 | 41500 | 43800 | 38100 | 47000 | 79700 | 104300 | 278200 | 181000 | 150300 | 56400 | 35400 |
6 | 39100 | 43400 | 35900 | 38100 | 42700 | 76500 | 111500 | 278700 | 187300 | 145100 | 66600 | 39600 |
7 | 35600 | 45300 | 31900 | 34900 | 44300 | 73500 | 114100 | 286300 | 186800 | 135500 | 63800 | 37500 |
8 | 33700 | 47300 | 29900 | 38300 | 46400 | 67300 | 132400 | 289800 | 184300 | 126700 | 65400 | 36500 |
9 | 29700 | 49700 | 28300 | 36900 | 78000 | 62900 | 131200 | 291400 | 181600 | 121900 | 66400 | 38700 |
10 | 31100 | 52100 | 25400 | 35700 | 107800 | 58600 | 141500 | 292600 | 176300 | 112900 | 67400 | 41800 |
11 | 25400 | 61000 | 27000 | 37200 | 115400 | 60800 | 150400 | 302400 | 170500 | 109400 | 63000 | 52500 |
12 | 27000 | 59600 | 18300 | 38400 | 112300 | 63500 | 153300 | 319500 | 163400 | 90400 | 63300 | 55100 |
13 | 29000 | 53800 | 16900 | 37600 | 109300 | 68300 | 165200 | 324800 | 155200 | 83200 | 50500 | 61800 |
14 | 33400 | 59700 | 25100 | 39600 | 92200 | 85500 | 172700 | 333800 | 148900 | 65500 | 38300 | 58800 |
15 | 37100 | 56400 | 31800 | 39200 | 85300 | 102500 | 186800 | 344800 | 150000 | 60800 | 28600 | 56800 |
16 | 37700 | 58600 | 28200 | 38500 | 78300 | 127000 | 198500 | 333900 | 156500 | 55900 | 32400 | 50500 |
17 | 37400 | 62600 | 28400 | 39300 | 67000 | 127500 | 209400 | 313300 | 152900 | 50800 | 35800 | 44700 |
18 | 34300 | 64200 | 28500 | 40900 | 59000 | 134200 | 215400 | 294500 | 149200 | 51900 | 42300 | 40300 |
19 | 28500 | 61700 | 30000 | 42000 | 60500 | 134100 | 228400 | 273800 | 148300 | 55100 | 42700 | 42200 |
20 | 22800 | 65400 | 32300 | 41100 | 62000 | 126100 | 242200 | 255100 | 145000 | 57800 | 39800 | 43900 |
21 | 24800 | 59700 | 34200 | 41300 | 55100 | 114900 | 256200 | 241700 | 152500 | 53400 | 39200 | 54100 |
22 | 32500 | 54500 | 34200 | 42200 | 51700 | 120300 | 262900 | 229400 | 155900 | 53400 | 38700 | 57300 |
23 | 38400 | 45500 | 34500 | 42100 | 48500 | 120100 | 282000 | 215600 | 158800 | 55300 | 48300 | 56300 |
24 | 34900 | 49800 | 33200 | 39700 | 56100 | 120100 | 299100 | 205100 | 159400 | 58900 | 42100 | 53800 |
25 | 34900 | 48800 | 33500 | 38100 | 99500 | 122300 | 303100 | 191800 | 159700 | 58800 | 44200 | 50500 |
26 | 34200 | 45700 | 32000 | 33900 | 132800 | 123400 | 303000 | 183700 | 160400 | 61600 | 43500 | 52600 |
27 | 34500 | 48300 | 32600 | 33900 | 146500 | 121200 | 302200 | 179900 | 157800 | 57700 | 42100 | 54000 |
28 | 36600 | 47800 | 32800 | 34500 | 131300 | 114700 | 297400 | 176300 | 156800 | 56300 | 41900 | 52800 |
29 | 39600 | 48900 | 34200 | 35000 | --- | 111000 | 291800 | 170400 | 154800 | 60600 | 41700 | 54800 |
30 | 39800 | 46900 | 34300 | 41200 | --- | 105600 | 286700 | 163700 | 155300 | 59200 | 43900 | 46500 |
31 | 33100 | --- | 33400 | 47700 | --- | 102900 | --- | 162000 | --- | 60700 | 39700 | --- |
TOTAL | 1047300 | 1518000 | 1026300 | 1187600 | 2129200 | 3089600 | 5955400 | 8028300 | 4904200 | 2724400 | 1506700 | 1404200 |
MEAN | 33780 | 50600 | 33110 | 38310 | 76040 | 99660 | 198500 | 259000 | 163500 | 87880 | 48600 | 46810 |
MAX | 40500 | 65400 | 52800 | 47700 | 146000 | 134000 | 303000 | 345000 | 187000 | 155000 | 67400 | 61800 |
MIN | 22800 | 32400 | 16900 | 33900 | 42700 | 58600 | 100000 | 162000 | 145000 | 50800 | 28600 | 30600 |
AC-FT | 2077000 | 3011000 | 2036000 | 2356000 | 4223000 | 6128000 | 11810000 | 15920000 | 9727000 | 5404000 | 2989000 | 2785000 |
CFSM | .28 | .43 | .28 | .32 | .64 | .84 | 1.67 | 2.18 | 1.37 | .74 | .41 | .39 |
IN. | .33 | .47 | .32 | .37 | .67 | .97 | 1.86 | 2.51 | 1.53 | .85 | .47 | .44 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1879 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 50890 | 51200 | 38560 | 36080 | 42860 | 80700 | 120200 | 109000 | 94320 | 74870 | 49740 | 47400 |
MAX | 221100 | 211300 | 125600 | 101600 | 95620 | 185400 | 250100 | 260700 | 227300 | 385800 | 223000 | 163300 |
(WY) | 1882 | 1882 | 1983 | 1973 | 1984 | 1973 | 1993 | 1888 | 1892 | 1993 | 1993 | 1993 |
MIN | 16060 | 16020 | 13450 | 14650 | 15790 | 21780 | 32930 | 27600 | 17400 | 16280 | 13030 | 15530 |
(WY) | 1934 | 1934 | 1934 | 1940 | 1899 | 1934 | 1895 | 1934 | 1934 | 1988 | 1936 | 1976 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1879 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 23855200 | 34521200 | ||||
ANNUAL MEAN | 65180 | 94580 | 66370 | |||
HIGHEST ANNUAL MEAN | 162500 | 1993 | ||||
LOWEST ANNUAL MEAN | 21540 | 1934 | ||||
HIGHEST DAILY MEAN | 209000 | Jun 18 | 345000 | May 15 | 434000 | Jul 10 1993 |
LOWEST DAILY MEAN | 16900 | Dec 13 | 16900 | Dec 13 | 5000 | Dec 27 1933 |
ANNUAL SEVEN-DAY MINIMUM | 24400 | Dec 8 | 24400 | Dec 8 | 8270 | Dec 25 1933 |
MAXIMUM PEAK FLOW | 446000 | Jul 10 1993 | ||||
MAXIMUM PEAK STAGE | 27.58 | Jul 10 1993a | ||||
ANNUAL RUNOFF (AC-FT) | 47320000 | 68470000 | 48080000 | |||
ANNUAL RUNOFF (CFSM) | .55 | .79 | .56 | |||
ANNUAL RUNOFF (INCHES) | 7.46 | 10.79 | 7.58 | |||
10 PERCENT EXCEEDS | 145000 | 212000 | 134000 | |||
50 PERCENT EXCEEDS | 49900 | 56400 | 50800 | |||
90 PERCENT EXCEEDS | 31400 | 33600 | 23000 |
a From floodmark. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |