DISCHARGE: May 1948 to current year. Prior to October 1974, records published with those for streams in the St. Lawrence River basin (WSP 1307, 1727, 1911, 2111, WDR IL 1971-74). |
STAGE: Water years 1994-2000. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 1.9 | .21 | .52 | e2.0 | e1.9 | 6.9 | .65 | 7.6 | 81 | 18 | 5.6 | 2.3 |
2 | 1.8 | .25 | .46 | 2.4 | e1.9 | 3.5 | 1.0 | 10 | 31 | 14 | 4.7 | 1.2 |
3 | 3.8 | .17 | 1.1 | 2.5 | e1.9 | 2.6 | 2.2 | 4.6 | 15 | 18 | 5.3 | .59 |
4 | 7.0 | .18 | 17 | 2.3 | e1.9 | 3.3 | 1.7 | 2.9 | 8.1 | 11 | 3.3 | 1.9 |
5 | 2.5 | .17 | 48 | e2.2 | e1.9 | 2.6 | 1.3 | 2.2 | 44 | 9.4 | 5.6 | 1.7 |
6 | 1.8 | .24 | 25 | 2.6 | e1.9 | 1.4 | .68 | 1.6 | 33 | 8.1 | 21 | 1.8 |
7 | 1.0 | .23 | 15 | 3.7 | e2.0 | 1.5 | 7.3 | 1.2 | 16 | 7.4 | 53 | 2.9 |
8 | 1.0 | .22 | 9.5 | 3.4 | e2.6 | 1.3 | 22 | 1.0 | 12 | 6.5 | 20 | 1.7 |
9 | .90 | .22 | 7.2 | 5.0 | e3.2 | 1.9 | 14 | 16 | 7.0 | 6.1 | 11 | 2.0 |
10 | .87 | .22 | 8.2 | 8.5 | 3.9 | 2.0 | 9.2 | 49 | 2.7 | 49 | 7.2 | 2.7 |
11 | .50 | .33 | 4.8 | 7.5 | 5.7 | 2.0 | 9.6 | 28 | 2.8 | 32 | 5.4 | 14 |
12 | .28 | .47 | 3.2 | 3.8 | 4.5 | 1.3 | 7.4 | 24 | 107 | 17 | 4.4 | 36 |
13 | .24 | .37 | 2.5 | 3.6 | 3.2 | 1.1 | 5.8 | 15 | 142 | 12 | 4.3 | 6.7 |
14 | .40 | .22 | 3.9 | e3.1 | 2.6 | 1.3 | 5.9 | 8.9 | 146 | 13 | 3.1 | 8.7 |
15 | .65 | .26 | 7.6 | 2.6 | 1.7 | 2.5 | 4.9 | 5.6 | 124 | 8.3 | 3.2 | 6.0 |
16 | .66 | .55 | 10 | 2.8 | 2.4 | 3.3 | 5.9 | 5.2 | 55 | 6.3 | 2.9 | 2.9 |
17 | .45 | .40 | 5.5 | e2.6 | 3.1 | 1.4 | 29 | 3.7 | 32 | 6.2 | 17 | 2.0 |
18 | .39 | .52 | 4.1 | e2.4 | 3.5 | 1.4 | 11 | 8.5 | 17 | 4.9 | 9.1 | 1.7 |
19 | .25 | .60 | 3.6 | e2.3 | 3.8 | 4.5 | 20 | 19 | 9.3 | 5.1 | 4.1 | 1.9 |
20 | .20 | .55 | e2.7 | e2.1 | 4.0 | 14 | 106 | 7.1 | 31 | 4.5 | 2.5 | 3.8 |
21 | .18 | .75 | e2.0 | e2.0 | 5.4 | 10 | 128 | 4.0 | 281 | 6.4 | 2.5 | 4.9 |
22 | .19 | .58 | e1.6 | e1.9 | 19 | 5.4 | 77 | 3.8 | 90 | 4.8 | 2.4 | 2.6 |
23 | .18 | .33 | e1.3 | e1.8 | 27 | 3.6 | 56 | 2.8 | 48 | 4.2 | 3.3 | 4.6 |
24 | .31 | .24 | e1.1 | e1.7 | 25 | 2.9 | 44 | 2.8 | 101 | 3.6 | 2.7 | 5.3 |
25 | .38 | .25 | e1.1 | e1.7 | 19 | 4.2 | 27 | 1.4 | 589 | 3.2 | 3.1 | 3.8 |
26 | .30 | .32 | e1.0 | e1.7 | 12 | 4.4 | 17 | .84 | 148 | 3.1 | 2.7 | 2.9 |
27 | .17 | .34 | e1.0 | e1.7 | 17 | 2.5 | 12 | 1.0 | 70 | 3.3 | 1.8 | 2.4 |
28 | .35 | .39 | e1.1 | e1.8 | 9.5 | 3.5 | 8.4 | 4.6 | 49 | 4.1 | 1.9 | 3.4 |
29 | .19 | .43 | e1.2 | e1.8 | 7.3 | 2.8 | 6.7 | 1.4 | 37 | 13 | 2.1 | 2.7 |
30 | .19 | .46 | e1.3 | e1.8 | --- | 1.2 | 5.1 | 3.0 | 26 | 15 | 1.6 | 2.5 |
31 | .19 | --- | e1.6 | e1.8 | --- | .79 | --- | 35 | --- | 8.9 | 2.7 | --- |
TOTAL | 29.22 | 10.47 | 194.18 | 87.1 | 198.8 | 101.09 | 646.73 | 281.74 | 2354.9 | 326.4 | 219.5 | 137.59 |
MEAN | .94 | .35 | 6.26 | 2.81 | 6.86 | 3.26 | 21.6 | 9.09 | 78.5 | 10.5 | 7.08 | 4.59 |
MAX | 7.0 | .75 | 48 | 8.5 | 27 | 14 | 128 | 49 | 589 | 49 | 53 | 36 |
MIN | .17 | .17 | .46 | 1.7 | 1.7 | .79 | .65 | .84 | 2.7 | 3.1 | 1.6 | .59 |
CFSM | .04 | .02 | .27 | .12 | .30 | .14 | .93 | .39 | 3.40 | .46 | .31 | .20 |
IN. | .05 | .02 | .31 | .14 | .32 | .16 | 1.04 | .45 | 3.79 | .53 | .35 | .22 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 7.68 | 14.5 | 18.9 | 18.9 | 25.6 | 38.5 | 35.2 | 23.5 | 20.8 | 9.54 | 7.12 | 7.16 |
MAX | 55.9 | 78.3 | 83.6 | 74.5 | 119 | 167 | 78.2 | 77.7 | 109 | 57.0 | 43.1 | 59.9 |
(WY) | 1955 | 1991 | 1983 | 1993 | 1997 | 1979 | 1999 | 1974 | 1993 | 1996 | 1968 | 1993 |
MIN | .000 | .25 | .59 | .36 | .51 | 3.26 | 3.75 | 2.15 | .61 | .54 | .63 | .030 |
(WY) | 1957 | 1957 | 1957 | 1984 | 1978 | 2000 | 1963 | 1988 | 1988 | 1988 | 1956 | 1956 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1948 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 7101.01 | 4587.72 | ||||
ANNUAL MEAN | 19.5 | 12.5 | 19.0 | |||
HIGHEST ANNUAL MEAN | 42.8 | 1993 | ||||
LOWEST ANNUAL MEAN | 5.77 | 1963 | ||||
HIGHEST DAILY MEAN | 517 | Jan 23 | 589 | Jun 25 | 860 | Jul 13 1957 |
LOWEST DAILY MEAN | .17 | A | .17 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .19 | Oct 30 | .19 | Oct 30 | .00 | B |
INSTANTANEOUS PEAK FLOW | 678 | Jun 25 | 1380 C | Jul 13 1957 | ||
INSTANTANEOUS PEAK STAGE | 11.35 | Jun 25 | 11.79 D | Nov 28 1990 | ||
INSTANTANEOUS LOW FLOW | .12 | Oct 21 | ||||
ANNUAL RUNOFF (CFSM) | .84 | .54 | .82 | |||
ANNUAL RUNOFF (INCHES) | 11.44 | 7.39 | 11.15 | |||
10 PERCENT EXCEEDS | 42 | 26 | 42 | |||
50 PERCENT EXCEEDS | 4.5 | 3.2 | 5.0 | |||
90 PERCENT EXCEEDS | .40 | .40 | .93 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |