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 | .68 | .21 | .00 | .68 | e.40 | 3.9 | 1.3 | 10 | 95 | 7.0 | 6.3 | .28 |
2 | .31 | .22 | .00 | .92 | e.40 | 2.9 | 1.3 | 11 | 31 | 5.7 | 4.1 | .19 |
3 | 11 | .11 | .00 | 1.1 | e.41 | 2.5 | 1.3 | 7.1 | 14 | 22 | 6.9 | .19 |
4 | 20 | .31 | 2.1 | 1.6 | e.43 | 2.3 | 1.3 | 5.2 | 8.9 | 11 | 2.5 | .21 |
5 | 3.2 | .14 | 101 | 1.3 | e.42 | 1.9 | 1.2 | 4.6 | 67 | 5.7 | 11 | .51 |
6 | .98 | .06 | 27 | .98 | e.42 | 1.6 | 1.1 | 3.9 | 28 | 4.8 | 42 | .26 |
7 | .37 | .10 | 7.8 | .76 | e.43 | 1.4 | 12 | 4.3 | 14 | 3.5 | 50 | .19 |
8 | .37 | .09 | 3.2 | .64 | e.65 | 1.3 | 21 | 3.9 | 8.0 | 2.9 | 17 | .19 |
9 | 1.2 | .05 | 2.2 | 2.2 | 1.2 | 1.2 | 7.3 | 21 | 5.5 | 2.5 | 7.3 | .22 |
10 | .38 | .03 | 1.9 | 8.5 | 2.5 | 1.2 | 3.7 | 22 | 4.0 | 109 | 4.2 | .61 |
11 | .26 | .02 | 1.4 | 5.5 | 3.7 | 1.2 | 4.9 | 18 | 3.0 | 53 | 2.7 | 53 |
12 | .13 | .00 | 1.5 | 2.9 | 3.0 | 1.1 | 3.3 | 15 | 38 | 22 | 1.8 | 105 |
13 | .10 | .04 | .68 | 2.0 | 2.3 | 1.0 | 2.6 | 7.6 | 40 | 12 | 1.5 | 22 |
14 | .07 | .07 | 1.8 | 1.3 | 2.0 | 1.8 | 2.1 | 4.5 | 63 | 17 | 1.3 | 17 |
15 | .06 | .07 | 5.9 | 1.1 | 1.7 | 2.4 | 1.9 | 2.9 | 60 | 8.0 | 1.0 | 8.3 |
16 | .06 | .04 | 8.4 | .96 | 1.8 | 2.0 | 22 | 2.6 | 22 | 4.4 | .80 | 3.8 |
17 | .10 | .00 | 3.9 | .72 | 1.7 | 1.9 | 131 | 2.6 | 12 | 3.0 | 32 | 2.1 |
18 | .08 | .00 | 2.4 | e.66 | 1.8 | 1.4 | 35 | 4.0 | 7.6 | 2.4 | 13 | 1.6 |
19 | .04 | .00 | 1.8 | e.59 | 2.7 | 3.6 | 45 | 17 | 4.9 | 2.3 | 4.7 | 1.2 |
20 | .03 | .00 | e1.4 | e.56 | 3.1 | 16 | 126 | 6.2 | 72 | 2.0 | 2.4 | 3.5 |
21 | .00 | .00 | e.98 | e.52 | 4.5 | 8.3 | 199 | 4.1 | 313 | 1.9 | 1.4 | 5.2 |
22 | .23 | .00 | e.78 | e.48 | 26 | 4.0 | 81 | 2.9 | 75 | 1.5 | .96 | 3.2 |
23 | .34 | .39 | e.64 | e.46 | 25 | 3.2 | 43 | 3.0 | 36 | 1.1 | .92 | 19 |
24 | .27 | .41 | e.52 | e.43 | 46 | 4.9 | 31 | 1.9 | 98 | 1.1 | .76 | 14 |
25 | .11 | 1.2 | e.45 | e.41 | 30 | 2.1 | 20 | 1.6 | 300 | 1.0 | .68 | 5.9 |
26 | .04 | .46 | e.43 | e.39 | 18 | 1.6 | 15 | 1.4 | 83 | .79 | .64 | 3.0 |
27 | .00 | .08 | e.45 | e.37 | 19 | 2.7 | 11 | 2.1 | 43 | .67 | .64 | 2.0 |
28 | .01 | .05 | e.48 | e.38 | 9.2 | 3.6 | 8.1 | 9.5 | 25 | .79 | .50 | 1.4 |
29 | .02 | .00 | e.51 | e.40 | 5.4 | 2.3 | 8.1 | 3.5 | 17 | 36 | .44 | 1.1 |
30 | .02 | .00 | e.55 | e.42 | --- | 1.7 | 7.0 | 11 | 10 | 24 | .41 | .84 |
31 | .13 | --- | e.60 | e.41 | --- | 1.4 | --- | 72 | --- | 12 | .34 | --- |
TOTAL | 40.59 | 4.15 | 180.77 | 39.64 | 214.16 | 88.4 | 848.5 | 286.4 | 1597.9 | 381.05 | 220.19 | 275.99 |
MEAN | 1.31 | .14 | 5.83 | 1.28 | 7.38 | 2.85 | 28.3 | 9.24 | 53.3 | 12.3 | 7.10 | 9.20 |
MAX | 20 | 1.2 | 101 | 8.5 | 46 | 16 | 199 | 72 | 313 | 109 | 50 | 105 |
MIN | .00 | .00 | .00 | .37 | .40 | 1.0 | 1.1 | 1.4 | 3.0 | .67 | .34 | .19 |
CFSM | .06 | .01 | .25 | .05 | .31 | .12 | 1.20 | .39 | 2.27 | .52 | .30 | .39 |
IN. | .06 | .01 | .29 | .06 | .34 | .14 | 1.34 | .45 | 2.53 | .60 | .35 | .44 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 7.50 | 13.8 | 16.9 | 17.9 | 21.4 | 33.6 | 33.7 | 25.7 | 21.8 | 12.3 | 8.12 | 8.41 |
MAX | 76.1 | 96.7 | 105 | 73.7 | 88.4 | 120 | 97.7 | 95.6 | 119 | 85.9 | 60.0 | 77.1 |
(WY) | 1955 | 1991 | 1983 | 1969 | 1997 | 1979 | 1970 | 1996 | 1993 | 1957 | 1968 | 1961 |
MIN | .27 | .14 | .073 | .032 | .38 | 2.85 | 3.57 | 2.49 | 1.14 | .55 | .32 | .25 |
(WY) | 1953 | 2000 | 1977 | 1977 | 1978 | 2000 | 1986 | 1992 | 1988 | 1988 | 1948 | 1953 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1948 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 6659.86 | 4177.74 | ||||
ANNUAL MEAN | 18.2 | 11.4 | 18.5 | |||
HIGHEST ANNUAL MEAN | 42.3 | 1993 | ||||
LOWEST ANNUAL MEAN | 4.82 | 1963 | ||||
HIGHEST DAILY MEAN | 472 | Jan 23 | 313 | Jun 21 | 1500 | Jul 13 1957 |
LOWEST DAILY MEAN | .00 | A | .00 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .01 | Nov 16 | .01 | Nov 16 | .00 | Aug 8 1975 |
INSTANTANEOUS PEAK FLOW | 497 | Jun 25 | 2220 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 8.74 | Jun 25 | 12.59 | Jul 18 1996 | ||
ANNUAL RUNOFF (CFSM) | .78 | .49 | .79 | |||
ANNUAL RUNOFF (INCHES) | 10.54 | 6.61 | 10.67 | |||
10 PERCENT EXCEEDS | 40 | 27 | 42 | |||
50 PERCENT EXCEEDS | 3.5 | 2.0 | 4.5 | |||
90 PERCENT EXCEEDS | .09 | .10 | .43 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |