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 1994-2001. |
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 | 2.5 | 1.3 | 7.2 | e3.0 | e53 | 32 | 8.8 | 4.6 | 15 | 2.0 | 1.6 | 2.9 |
2 | 2.4 | 1.3 | 6.0 | e3.1 | e42 | 26 | 8.0 | 4.4 | 18 | 2.2 | 35 | 2.1 |
3 | 2.4 | 1.2 | 4.7 | e3.1 | e27 | 20 | 7.7 | 4.0 | 13 | 6.3 | 18 | 1.8 |
4 | 29 | .97 | 4.2 | e3.2 | e20 | 18 | 7.2 | 3.7 | 8.5 | 8.0 | 9.9 | 1.4 |
5 | 9.1 | .92 | 3.7 | e3.2 | e17 | 16 | 7.7 | 3.5 | 63 | 2.6 | 4.3 | 1.4 |
6 | 6.3 | 1.3 | 3.5 | e3.2 | e16 | 14 | 13 | 3.3 | 79 | 1.5 | 2.7 | 2.3 |
7 | 3.2 | 5.3 | 3.4 | e3.2 | e14 | 13 | 12 | 3.4 | 42 | 2.1 | 2.2 | 11 |
8 | 8.5 | 3.3 | 3.6 | e3.1 | 48 | 13 | 8.8 | 2.8 | 25 | 2.3 | 1.8 | 2.7 |
9 | 12 | 46 | 3.1 | e3.1 | 493 | 12 | 8.6 | 2.6 | 17 | 2.7 | 2.4 | 4.8 |
10 | 6.2 | 61 | 3.4 | e3.0 | 376 | 12 | 8.3 | 3.2 | 13 | 1.9 | 2.5 | 14 |
11 | 3.5 | 22 | 3.1 | e3.0 | 136 | 12 | 7.9 | 4.5 | 9.9 | 1.6 | 1.7 | 10 |
12 | 2.4 | 11 | 3.1 | e3.0 | 69 | 13 | 9.2 | 4.0 | 12 | 1.7 | 1.7 | 3.5 |
13 | 1.8 | 22 | e3.6 | e3.2 | 47 | 14 | 7.3 | 2.6 | 9.6 | 2.1 | 1.6 | 1.6 |
14 | 1.6 | 19 | e3.5 | 9.3 | 51 | 13 | 6.4 | 2.6 | 8.3 | 2.0 | 1.4 | 1.5 |
15 | 1.6 | 11 | e3.4 | e25 | 61 | 16 | 17 | 2.4 | 7.5 | 1.8 | 1.5 | 1.3 |
16 | 1.8 | 7.7 | e3.3 | e27 | 43 | 24 | 17 | 3.4 | 7.0 | 2.9 | 2.8 | 1.4 |
17 | 2.0 | 5.8 | e3.2 | e23 | 27 | 32 | 12 | 3.1 | 6.0 | 2.4 | 2.2 | 1.5 |
18 | 1.7 | 4.8 | e3.1 | e18 | e20 | 40 | 9.9 | 3.5 | 4.9 | 2.9 | 6.5 | 2.2 |
19 | 1.9 | 4.2 | e3.0 | e12 | e16 | 38 | 13 | 2.7 | 4.3 | 2.6 | 7.7 | 15 |
20 | 2.3 | 3.9 | e2.8 | e9.5 | e14 | 27 | 14 | 1.9 | 3.5 | 1.8 | 2.2 | 4.4 |
21 | 1.2 | 3.2 | e2.7 | e8.0 | e12 | 24 | 19 | 3.5 | 4.7 | 12 | 1.9 | 2.3 |
22 | 1.2 | 3.0 | e2.6 | e6.7 | e11 | 18 | 17 | 4.2 | 4.6 | 15 | 1.6 | 1.9 |
23 | 1.4 | 2.9 | e2.6 | e5.8 | e10 | 15 | 14 | 2.3 | 3.2 | 39 | 1.5 | 5.6 |
24 | 3.6 | 3.1 | e2.5 | e5.3 | 99 | 13 | 11 | 2.5 | 2.6 | 23 | 2.3 | 10 |
25 | 3.3 | 3.6 | e2.5 | e4.9 | 385 | 12 | 8.9 | 4.7 | 2.6 | 9.1 | 15 | 6.9 |
26 | 2.0 | 7.9 | e2.6 | e4.4 | 111 | 11 | 7.4 | 13 | 2.4 | 7.2 | 16 | 3.2 |
27 | 1.2 | 7.8 | e2.6 | e4.2 | 61 | 10 | 6.7 | 40 | 1.7 | 5.5 | 6.3 | 5.6 |
28 | 1.1 | 7.7 | e2.7 | e3.8 | 44 | 10 | 5.7 | 27 | 1.7 | 3.7 | 4.5 | 4.5 |
29 | .94 | 11 | e2.8 | e4.2 | --- | 9.7 | 5.2 | 14 | 3.2 | 2.9 | 3.5 | 2.5 |
30 | 1.0 | 11 | e2.8 | e18 | --- | 9.2 | 4.8 | 9.5 | 2.4 | 2.8 | 2.5 | 1.9 |
31 | .92 | --- | e2.9 | e62 | --- | 8.9 | --- | 10 | --- | 2.5 | 4.9 | --- |
TOTAL | 120.06 | 295.19 | 104.2 | 291.5 | 2323 | 545.8 | 303.5 | 196.9 | 395.6 | 176.1 | 169.7 | 131.2 |
MEAN | 3.87 | 9.84 | 3.36 | 9.40 | 83.0 | 17.6 | 10.1 | 6.35 | 13.2 | 5.68 | 5.47 | 4.37 |
MAX | 29 | 61 | 7.2 | 62 | 493 | 40 | 19 | 40 | 79 | 39 | 35 | 15 |
MIN | .92 | .92 | 2.5 | 3.0 | 10 | 8.9 | 4.8 | 1.9 | 1.7 | 1.5 | 1.4 | 1.3 |
CFSM | .17 | .43 | .15 | .41 | 3.59 | .76 | .44 | .27 | .57 | .25 | .24 | .19 |
IN. | .19 | .48 | .17 | .47 | 3.74 | .88 | .49 | .32 | .64 | .28 | .27 | .21 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 7.61 | 14.4 | 18.6 | 18.8 | 26.7 | 38.1 | 34.7 | 23.2 | 20.7 | 9.47 | 7.09 | 7.10 |
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 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1948 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 4873.30 | 5052.75 | ||||
ANNUAL MEAN | 13.3 | 13.8 | 18.9 | |||
HIGHEST ANNUAL MEAN | 42.8 | 1993 | ||||
LOWEST ANNUAL MEAN | 5.77 | 1963 | ||||
HIGHEST DAILY MEAN | 589 | Jun 25 | 493 A | Feb 9 | 860 | Jul 13 1957 |
LOWEST DAILY MEAN | .59 | Sep 3 | .92 | Oct 31, Nov. 5 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 1.1 | Oct 30 | 1.1 | Oct 30 | .00 | B |
MAXIMUM PEAK FLOW | 645 | Feb 9 | 1380 C | Jul 13 1957 | ||
MAXIMUM PEAK STAGE | 11.28 D | Feb 9 | 11.79 E | Nov 28 1990 | ||
INSTANTANEOUS LOW FLOW | .82 | Oct 31, Nov. 5 | ||||
ANNUAL RUNOFF (CFSM) | .58 | .60 | .82 | |||
ANNUAL RUNOFF (INCHES) | 7.85 | 8.14 | 11.09 | |||
10 PERCENT EXCEEDS | 27 | 25 | 42 | |||
50 PERCENT EXCEEDS | 3.6 | 4.6 | 5.0 | |||
90 PERCENT EXCEEDS | 1.6 | 1.7 | .96 |
A - From graph based on gage readings and floodmark. | |
B - At times in several years. | |
C - Gage height, 11.75 ft. | |
D - From floodmark. | |
E - Discharge, 809 ft3/s. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |