Station list     Available data
ROCK RIVER BASIN


05438283       PISCASAW CREEK NEAR WALWORTH, WI



LOCATION.-- Lat 42°31'18", long 88°39'39", in NE 1/4 NE 1/4 sec.25, T.1 N., R.15 E., Walworth County, Hydrologic Unit 07090006, on right bank 0.9 mi upstream from County Trunk Highway B bridge, 3.2 mi southwest of Walworth.

DRAINAGE AREA.-- 9.58 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: September 1992 to current year.

GAGE.-- Water-stage recorder and phone telemeter. Elevation of gage is 935 ft above sea level, from topographic map.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 571 ft3/s, June 13, 1999, gage height, 9.69 ft; maximum gage height, 10.05 ft, June 30, 1993, discharge, 322 ft3/s; minimum discharge, 0.58 ft3/s, March 9-12, 1996.

REMARKS FOR CURRENT YEAR.-- Records fair.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 2.9 2.2 2.5 2.5 2.7 6.1 4.4 3.7 4.1 3.9 2.5 2.3
2 2.9 2.2 2.5 2.4 2.5 6.8 4.2 3.5 9.8 3.9 3.4 2.3
3 2.9 2.1 2.5 2.3 2.3 11    4.2 3.5 5.4 3.9 2.6 2.2
4 3.1 2.1 2.5 2.3 2.3 12    4.0 3.5 4.5 3.9 2.4 2.2
5 3.0 2.1 2.5 2.3 2.1 7.9 4.0 3.5 22    3.9 2.2 2.1
 
6 3.2 2.2 2.6 2.3 1.9 6.0 4.2 3.6 9.3 3.9 2.1 2.2
7 3.1 2.8 2.7 2.3 1.9 5.7 4.3 3.7 6.3 3.9 2.2 5.6
8 3.0 2.6 2.6 2.3 2.3 5.9 4.3 3.7 5.4 3.7 2.2 7.3
9 2.9 2.9 2.5 2.3 14    5.1 5.5 3.7 5.0 3.5 2.0 6.7
10 2.9 3.1 2.5 2.3 14    5.6 5.4 3.7 4.7 3.4 2.1 4.5
 
11 2.9 2.9 2.6 2.3 11    10    6.9 4.6 4.3 3.2 2.1 3.1
12 2.9 2.8 2.5 2.3 7.9 12    11    4.3 89    3.2 2.2 2.8
13 2.9 2.8 2.5 2.3 6.5 11    5.9 4.0 10    3.2 2.2 2.5
14 2.8 2.8 2.5 2.2 5.6 8.0 5.2 3.9 7.3 3.1 2.3 2.4
15 2.7 2.5 2.5 2.3 4.8 18    4.8 3.9 6.6 2.9 2.2 2.5
 
16 2.7 2.5 2.5 2.3 4.1 9.8 4.6 3.8 6.1 2.9 2.8 2.5
17 2.7 2.5 2.5 2.3 3.7 6.8 4.3 3.7 5.8 2.7 2.4 2.7
18 2.7 2.7 2.3 2.3 3.4 6.4 4.2 3.7 5.6 2.6 2.5 3.1
19 2.5 2.7 2.3 2.1 3.1 6.2 4.2 3.7 5.5 2.5 2.7 7.0
20 2.5 2.7 2.2 2.1 2.9 6.0 4.4 3.7 5.3 2.5 2.5 3.2
 
21 2.4 2.5 2.3 1.9 2.7 5.7 4.5 4.0 5.0 2.4 2.5 4.5
22 2.3 2.5 2.2 1.9 2.7 5.5 4.8 3.7 4.9 2.5 2.5 3.3
23 2.3 2.5 2.2 1.8 2.7 5.3 5.0 3.7 4.8 2.9 2.4 4.5
24 2.3 2.5 2.3 1.8 3.6 5.0 4.5 3.8 4.7 2.9 2.4 4.0
25 2.3 2.5 2.5 1.8 33    4.8 4.1 5.6 4.5 2.9 2.5 3.3
 
26 2.3 2.5 2.5 1.8 15    4.5 3.9 7.1 4.5 2.6 2.5 2.9
27 2.2 2.5 2.5 1.8 10    4.5 3.7 4.2 4.5 2.5 2.4 2.6
28 2.1 2.5 2.5 1.8 7.0 4.5 3.7 3.8 4.5 2.6 2.5 2.5
29 2.1 2.5 2.4 2.1 ---    4.5 3.7 3.7 4.3 2.6 2.5 2.3
30 2.2 2.5 2.3 2.9 ---    4.5 3.7 3.5 4.0 2.5 2.4 2.3
 
31 2.2 ---    2.3 2.8 ---    4.4 ---    3.7 ---    2.4 2.3 ---   

TOTAL 81.9 76.2 75.8 68.2 175.7 219.5 141.6 122.2 267.7 95.5 74.5 101.4
MEAN 2.64 2.54 2.45 2.20 6.28 7.08 4.72 3.94 8.92 3.08 2.40 3.38
MAX 3.2 3.1 2.7 2.9 33 18 11 7.1 89 3.9 3.4 7.3
MIN 2.1 2.1 2.2 1.8 1.9 4.4 3.7 3.5 4.0 2.4 2.0 2.1
CFSM .28 .27 .26 .23 .66 .74 .49 .41 .93 .32 .25 .35
IN. .32 .30 .29 .26 .68 .85 .55 .47 1.04 .37 .29 .39


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1992 - 2001, BY WATER YEAR (WY)
MEAN 2.02 1.96 1.94 2.44 5.09 4.25 4.04 3.48 9.58 3.09 2.19 2.27
MAX 3.68 3.29 4.54 5.85 13.1 12.0 12.4 6.92 17.2 6.22 4.27 4.48
(WY) 1994 1993 1993 1993 1997 1993 1993 2000 1999 1993 1993 1993
MIN 1.24 1.08 .99 1.16 1.23 .69 1.00 1.95 1.38 1.07 1.02 .89
(WY) 1996 1997 1998 1996 1995 1996 1996 1995 1995 1995 1995 1995

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1992 - 2001
ANNUAL TOTAL 1666.2   1500.2  
ANNUAL MEAN 4.55 4.11 3.51
HIGHEST ANNUAL MEAN 6.41 1993
LOWEST ANNUAL MEAN 1.32 1995
HIGHEST DAILY MEAN 131          Jun 12 89          Jun 12 251      Feb 21 1997
LOWEST DAILY MEAN 1.7       (a) Jan 27-30 1.8       Jan 23-28 .58 Mar 10 1996
ANNUAL SEVEN-DAY MINIMUM 1.7       Jan 24 1.8       Jan 22 .62 Mar 9 1996
MAXIMUM PEAK FLOW 283          Jun 12 (b)571      Jun 13 1999
MAXIMUM PEAK STAGE 8.13     Jun 12 (c)10.05 Jun 30 1993
INSTANTANEOUS LOW FLOW 1.8       (d) Jan 21-29 .58 (f) Mar 9 1996
ANNUAL RUNOFF (CFSM) .48 .43 .37
ANNUAL RUNOFF (INCHES) 6.47 5.83 4.97
10 PERCENT EXCEEDS 6.1   6.1   5.0  
50 PERCENT EXCEEDS 2.7   2.9   2.1  
90 PERCENT EXCEEDS 1.8   2.2   1.0  

(a) -- Also occurred Feb. 20, 21, and Mar. 21-24
(b) -- Gage height, 9.69 ft
(c) -- Discharge, 322 ft3/s
(d) -- Also occurred Aug, 8-10, 26
(f) -- Also occurred Mar. 10-12, 1996


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data