Welcome Lake Residents
 

This section is for climatological data including:

 

  • Lake Levels
  • Precipitation
  • Ice out and Ice up dates



Doing some work near your shoreline:

Since 1989 the lake level has varied by over 6 vertical feet!

West Jefferson has been 4 feet lower and almost 3 feet higher!!

Lake name: German


Highest recorded: 1019.86 ft (06/25/1993)
Lowest recorded: 1013.66 ft (11/16/1989)
Recorded range: 6.2 ft
Ordinary High Water Level (OHW) elevation: 1018.5 ft
Runout elevation: 1017.20

Lake name: West Jefferson




Highest recorded: 1019.82 ft (06/24/1993)
Lowest recorded: 1012.9 ft (06/10/1990)
Recorded range: 6.92 ft
Last reading: 1017.1 ft (11/27/2011)
Ordinary High Water Level (OHW) elevation: 1018.5 ft

 

Ice out/Ice up:

 

West Jefferson:    Ice Up/Ice out

CLMP#4393

Lake ID 40-0092

Year

Ice Out

Ice Up

1978

April 7

X

1979

April 18

X

1980

April 12

X

1981

March 14

X

1982

April 2

X

1983

April 3

X

1984

April 12

X

1985

April 3

X

1986

April 3

Nov 8

1987

March 8

Dec 4

1988

March 28

Dec 3

1989

April 8

Nov 16

1990

March 16

Dec 4

1991

April 4

Nov 4

1992

April 5

Nov 27

1993

April 15

Nov 26

1994

April 2

Dec 3

1995

March 24

Nov 11

1996

April 14

Nov 11

1997

April 5

Nov 15

1998

March 28

Dec 7

1999

March 27

Dec 16

2000

March 7

Nov 21

2001

April 14

Dec 17

2002

April 7

Nov 25

2003

March 26

Nov 24

2004

March 28

Dec 14

2005

April 4

Nov 30

2006

April 5

Dec 1

2007

March 27

Nov 30

2008

April 16

Nov 20

2009

March 25

Dec 11

2010

March 30

Nov 23

2011

April 10

Dec 7

2012

March 15

Dec 11

      2013

 April 23

 Nov 24

      2014

 April 13

 Nov 14
      2015

March 17
Dec 13
 Nov 28
Dec 19
      2016  March 13  Dec 9
      2017  March 7  
      2018    
      2019    
      2020    
      2021    
      2021    

 

2012

 

East Jeff:  March 16

Middle Jeff: March 14

West Jeff:  March 15

Swedes Bay:  March 14

 

The ice went out on Lake Washington on March 16.

Our earliest ice out was on March 8, 2000.

Our average ice out is April 4

All our readings over many years are listed on our web site under Lake Washington Facts – Ice History.

 

East Jefferson

 

East Jefferson

 

ice out                                     ice on

 

 3-08-2000                            11-24-2000

 4-15-01                                12-25-01
 4-08-02                                12-03-02

 3-27-03                                12-12-03

 3-29-04                                12-14-04
 4-05-05                                11-30-05

 4-05-06                                12-05-06

 3-28-07                                11-30-07

 4-16-08                                11-26-08; 12-04-08; 12-07-08

 ?       09                                12-10-09

 3-31-10                                11-27-10; 12-02-10

 

2011 Precipitation

 

Month

Rain

Snow

January

0.83

15.1

February

1.24

12.9

March

2.23

4.8

April

2.99

2.0

May

4.32

0.0

June

5.68

0.0

July

5.27

0.0

August

0.66

0.0

September

0.69

0.0

October

0.91

0.0

November

0.21

0.5

December

1.40

6.5

Totals

26.43

41.8

       

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