The daily storage values displayed here are obtained from the California Department of Water Resources (DWR) and then converted into approximate lake elevations and lake surface areas based on elevation and area curves.

Date

Storage

Lake Elevation

Lake Elevation Change

Lake Surface Area

Surface Area Change

acre feet

feet

feet

acres

acres

01/01/05

763,363

4478.98

0.06

23,328

17

01/02/05

762,664

4478.95

-0.03

23,320

-8

01/03/05

760,333

4478.85

-0.10

23,292

-28

01/04/05

758,470

4478.77

-0.08

23,270

-22

01/05/05

757,540

4478.73

-0.04

23,258

-12

01/06/05

755,448

4478.64

-0.09

23,233

-25

01/07/05

755,215

4478.63

-0.01

23,230

-3

01/08/05

755,215

4478.63

0.00

23,230

0

01/09/05

755,912

4478.66

0.03

23,239

9

01/10/05

753,822

4478.57

-0.09

23,214

-25

01/11/05

752,430

4478.51

-0.06

23,197

-17

01/12/05

750,807

4478.44

-0.07

23,177

-20

01/13/05

748,954

4478.36

-0.08

23,155

-22

01/14/05

746,639

4478.26

-0.10

23,127

-28

01/15/05

746,408

4478.25

-0.01

23,124

-3

01/16/05

745,945

4478.23

-0.02

23,118

-6

01/17/05

744,097

4478.15

-0.08

23,096

-22

01/18/05

741,789

4478.05

-0.10

23,068

-28

01/19/05

740,867

4478.01

-0.04

23,057

-11

01/20/05

739,253

4477.94

-0.07

23,038

-19

01/21/05

737,181

4477.85

-0.09

23,014

-24

01/22/05

736,031

4477.80

-0.05

23,001

-13

01/23/05

734,191

4477.72

-0.08

22,980

-21

01/24/05

731,895

4477.62

-0.10

22,954

-26

01/25/05

730,747 min

4477.57

-0.05

22,941

-13

01/26/05

732,124

4477.63

0.06

22,957

16

01/27/05

732,813

4477.66

0.03

22,965

8

01/28/05

733,502

4477.69

0.03

22,972

7

01/29/05

733,962

4477.71

0.02

22,978

6

01/30/05

733,732

4477.70

-0.01

22,975

-3

01/31/05

734,191

4477.72

0.02

22,980

5

02/01/05

734,881

4477.75

0.03

22,988

8

02/02/05

734,881

4477.75

0.00

22,988

0

02/03/05

735,341

4477.77

0.02

22,993

5

02/04/05

736,031

4477.80

0.03

23,001

8

02/05/05

736,491

4477.82

0.02

23,006

5

02/06/05

737,411

4477.86

0.04

23,017

11

02/07/05

737,641

4477.87

0.01

23,020

3

02/08/05

737,872

4477.88

0.01

23,023

3

02/09/05

737,871

4477.88

0.00

23,023

0

02/10/05

738,102

4477.89

0.01

23,025

2

02/11/05

738,562

4477.91

0.02

23,031

6

02/12/05

739,714

4477.96

0.05

23,044

13

02/13/05

741,558

4478.04

0.08

23,065

21

02/14/05

741,558

4478.04

0.00

23,065

0

02/15/05

742,020

4478.06

0.02

23,071

6

02/16/05

742,712

4478.09

0.03

23,079

8

02/17/05

743,404

4478.12

0.03

23,088

9

02/18/05

744,790

4478.18

0.06

23,104

16

02/19/05

746,408

4478.25

0.07

23,124

20

02/20/05

747,102

4478.28

0.03

23,132

8

02/21/05

747,796

4478.31

0.03

23,141

9

02/22/05

748,954

4478.36

0.05

23,155

14

02/23/05

748,491

4478.34

-0.02

23,149

-6

02/24/05

747,796

4478.31

-0.03

23,141

-8

02/25/05

746,871

4478.27

-0.04

23,130

-11

02/26/05

747,334

4478.29

0.02

23,135

5

02/27/05

749,880

4478.40

0.11

23,166

31

02/28/05

751,734

4478.48

0.08

23,188

22

03/01/05

754,054

4478.58

0.10

23,216

28

03/02/05

756,842

4478.70

0.12

23,250

34

03/03/05

757,540

4478.73

0.03

23,258

8

03/04/05

759,634

4478.82

0.09

23,284

26

03/05/05

761,498

4478.90

0.08

23,306

22

03/06/05

763,130

4478.97

0.07

23,326

20

03/07/05

764,530

4479.03

0.06

23,342

16

03/08/05

766,632

4479.12

0.09

23,368

26

03/09/05

767,800

4479.17

0.05

23,382

14

03/10/05

770,609

4479.29

0.12

23,415

33

03/11/05

772,014

4479.35

0.06

23,432

17

03/12/05

774,124

4479.44

0.09

23,457

25

03/13/05

776,236

4479.53

0.09

23,482

25

03/14/05

777,411

4479.58

0.05

23,496

14

03/15/05

777,646

4479.59

0.01

23,499

3

03/16/05

779,291

4479.66

0.07

23,519

20

03/17/05

780,461

4479.71

0.05

23,533

14

03/18/05

781,838

4479.77

0.06

23,549

16

03/19/05

785,416

4479.92

0.15

23,592

43

03/20/05

788,958

4480.07

0.15

23,631

39

03/21/05

792,032

4480.20

0.13

23,662

31

03/22/05

796,294

4480.38

0.18

23,704

42

03/23/05

798,428

4480.47

0.09

23,725

21

03/24/05

800,802

4480.57

0.10

23,749

24

03/25/05

803,416

4480.68

0.11

23,775

26

03/26/05

804,843

4480.74

0.06

23,789

14

03/27/05

808,890

4480.91

0.17

23,829

40

03/28/05

811,751

4481.03

0.12

23,857

28

03/29/05

814,138

4481.13

0.10

23,882

25

03/30/05

816,050

4481.21

0.08

23,901

19

03/31/05

817,963

4481.29

0.08

23,922

21

04/01/05

820,116

4481.38

0.09

23,943

21

04/02/05

821,553

4481.44

0.06

23,958

15

04/03/05

825,150

4481.59

0.15

23,994

36

04/04/05

826,590

4481.65

0.06

24,009

15

04/05/05

828,031

4481.71

0.06

24,023

14

04/06/05

829,473

4481.77

0.06

24,038

15

04/07/05

831,156

4481.84

0.07

24,056

18

04/08/05

833,563

4481.94

0.10

24,080

24

04/09/05

835,249

4482.01

0.07

24,097

17

04/10/05

836,213

4482.05

0.04

24,107

10

04/11/05

836,936

4482.08

0.03

24,114

7

04/12/05

838,383

4482.14

0.06

24,129

15

04/13/05

839,107

4482.17

0.03

24,136

7

04/14/05

840,073

4482.21

0.04

24,146

10

04/15/05

841,764

4482.28

0.07

24,164

18

04/16/05

842,972

4482.33

0.05

24,176

12

04/17/05

844,665

4482.40

0.07

24,194

18

04/18/05

844,665

4482.40

0.00

24,194

0

04/19/05

847,328

4482.51

0.11

24,221

27

04/20/05

848,782

4482.57

0.06

24,236

15

04/21/05

850,236

4482.63

0.06

24,251

15

04/22/05

852,178

4482.71

0.08

24,272

21

04/23/05

854,485

4482.81

0.10

24,295

23

04/24/05

856,793

4482.90

0.09

24,319

24

04/25/05

858,739

4482.98

0.08

24,338

19

04/26/05

860,444

4483.05

0.07

24,357

19

04/27/05

861,906

4483.11

0.06

24,374

17

04/28/05

863,612

4483.18

0.07

24,393

19

04/29/05

865,808

4483.27

0.09

24,417

24

04/30/05

867,763

4483.35

0.08

24,439

22

05/01/05

869,963

4483.44

0.09

24,464

25

05/02/05

872,411

4483.54

0.10

24,491

27

05/03/05

874,371

4483.62

0.08

24,513

22

05/04/05

877,560

4483.75

0.13

24,548

35

05/05/05

880,016

4483.85

0.10

24,575

27

05/06/05

882,721

4483.96

0.11

24,605

30

05/07/05

885,676

4484.08

0.12

24,638

33

05/08/05

889,621

4484.24

0.16

24,683

45

05/09/05

895,058

4484.46

0.22

24,744

61

05/10/05

899,269

4484.63

0.17

24,791

47

05/11/05

903,487

4484.80

0.17

24,838

47

05/12/05

907,216

4484.95

0.15

24,880

42

05/13/05

910,951

4485.10

0.15

24,919

39

05/14/05

915,190

4485.27

0.17

24,963

44

05/15/05

919,188

4485.43

0.16

25,004

41

05/16/05

925,196

4485.67

0.24

25,065

61

05/17/05

929,712

4485.85

0.18

25,112

47

05/18/05

939,020

4486.22

0.37

25,204

92

05/19/05

948,109

4486.58

0.36

25,291

87

05/20/05

954,439

4486.83

0.25

25,351

60

05/21/05

959,768

4487.04

0.21

25,405

54

05/22/05

964,346

4487.22

0.18

25,465

60

05/23/05

969,446

4487.42

0.20

25,530

65

05/24/05

974,303

4487.61

0.19

25,592

62

05/25/05

977,632

4487.74

0.13

25,635

43

05/26/05

981,995

4487.91

0.17

25,691

56

05/27/05

986,109

4488.07

0.16

25,739

48

05/28/05

989,199

4488.19

0.12

25,770

31

05/29/05

992,552

4488.32

0.13

25,804

34

05/30/05

996,167

4488.46

0.14

25,841

37

05/31/05

999,270

4488.58

0.12

25,873

32

06/01/05

1,001,599

4488.67

0.09

25,896

23

06/02/05

1,003,412

4488.74

0.07

25,914

18

06/03/05

1,005,485

4488.82

0.08

25,935

21

06/04/05

1,006,523

4488.86

0.04

25,946

11

06/05/05

1,008,080

4488.92

0.06

25,962

16

06/06/05

1,009,119

4488.96

0.04

25,973

11

06/07/05

1,009,119

4488.96

0.00

25,973

0

06/08/05

1,009,638

4488.98

0.02

25,978

5

06/09/05

1,010,937

4489.03

0.05

25,991

13

06/10/05

1,011,197

4489.04

0.01

25,993

2

06/11/05

1,012,237

4489.08

0.04

26,004

11

06/12/05

1,012,237

4489.08

0.00

26,004

0

06/13/05

1,012,237

4489.08

0.00

26,004

0

06/14/05

1,012,237

4489.08

0.00

26,004

0

06/15/05

1,012,237

4489.08

0.00

26,004

0

06/16/05

1,012,497

4489.09

0.01

26,006

2

06/17/05

1,013,017

4489.11

0.02

26,012

6

06/18/05

1,014,578

4489.17

0.06

26,027

15

06/19/05

1,015,619

4489.21

0.04

26,038

11

06/20/05

1,016,400

4489.24

0.03

26,045

7

06/21/05

1,016,921

4489.26

0.02

26,051

6

06/22/05 1,017,442 4489.28 0.02 26,056 5
06/23/05 1,017,442 4489.28 0.00 26,056 0
06/24/05 1,018,484 4489.32 0.04 26,066 10
06/25/05 1,019,788 max 4489.37 0.05 26,079 13
06/26/05 1,019,005 4489.34 -0.03 26,071 -8
06/27/05 1,017,442 4489.28 -0.06 26,056 -15
06/28/05 1,018,224 4489.31 0.03 26,064 8
06/29/05     1,017,442 4489.28 -0.03 26,056 -8
06/30/05     1,015,359 4489.20 -0.08 26,035 -21
07/01/05     1,013,537 4489.13 -0.07 26,017 -18
07/02/05     1,012,237 4489.08 -0.05 26,004 -13
07/03/05     1,011,457 4489.05 -0.03 25,996 -8
07/04/05     1,010,418 4489.01 -0.04 25,986 -10
07/05/05     1,009,638 4488.98 -0.03 25,978 -8
07/06/05     1,008,080 4488.92 -0.06 25,962 -16
07/07/05     1,006,523 4488.86 -0.06 25,946 -16
07/08/05     1,005,486 4488.82 -0.04 25,935 -11
07/09/05     1,004,189 4488.77 -0.05 25,922 -13
07/10/05     1,003,930 4488.76 -0.01 25,920 -2
07/11/05     1,003,671 4488.75 -0.01 25,917 -3
07/12/05     1,003,412 4488.74 -0.01 25,914 -3
07/13/05     1,003,412 4488.74 0.00 25,914 0
07/14/05     1,002,376 4488.70 -0.04 25,904 -10
07/15/05     1,001,081 4488.65 -0.05 25,891 -13
07/16/05     999,270 4488.58 -0.07 25,873 -18
07/17/05     997,718 4488.52 -0.06 25,857 -16
07/18/05     994,359 4488.39 -0.13 25,822 -35
07/19/05     992,036 4488.30 -0.09 25,799 -23
07/20/05     989,715 4488.21 -0.09 25,776 -23
07/21/05     986,367 4488.08 -0.13 25,742 -34
07/22/05     984,308 4488.00 -0.08 25,720 -22
07/23/05     981,995 4487.91 -0.09 25,691 -29
07/24/05     979,684 4487.82 -0.09 25,662 -29
07/25/05     977,120 4487.72 -0.10 25,629 -33
07/26/05     974,303 4487.61 -0.11 25,592 -37
07/27/05     971,233 4487.49 -0.12 25,553 -39
07/28/05     968,425 4487.38 -0.11 25,517 -36
07/29/05     966,640 4487.31 -0.07 25,494 -23
07/30/05     964,092 4487.21 -0.10 25,461 -33
07/31/05     960,785 4487.08 -0.13 25,418 -43
08/01/05     957,483 4486.95 -0.13 25,380 -38
08/02/05     954,439 4486.83 -0.12 25,351 -29
08/03/05     951,652 4486.72 -0.11 25,325 -26
08/04/05     948,615 4486.60 -0.12 25,296 -29
08/05/05     945,834 4486.49 -0.11 25,269 -27
08/06/05     943,056 4486.38 -0.11 25,242 -27
08/07/05     939,524 4486.24 -0.14 25,209 -33
08/08/05     937,005 4486.14 -0.10 25,185 -24
08/09/05     933,733 4486.01 -0.13 25,153 -32
08/10/05     930,968 4485.90 -0.11 25,125 -28
08/11/05     928,206 4485.79 -0.11 25,096 -29
08/12/05     926,450 4485.72 -0.07 25,078 -18
08/13/05     922,190 4485.55 -0.17 25,035 -43
08/14/05     919,438 4485.44 -0.11 25,006 -29
08/15/05     916,688 4485.33 -0.11 24,978 -28
08/16/05     913,943 4485.22 -0.11 24,950 -28
08/17/05     910,951 4485.10 -0.12 24,919 -31
08/18/05     907,464 4484.96 -0.14 24,882 -37
08/19/05     904,978 4484.86 -0.10 24,855 -27
08/20/05     901,997 4484.74 -0.12 24,821 -34
08/21/05     899,021 4484.62 -0.12 24,788 -33
08/22/05     895,800 4484.49 -0.13 24,752 -36
08/23/05     892,832 4484.37 -0.12 24,719 -33
08/24/05     889,128 4484.22 -0.15 24,678 -41
08/25/05     887,401 4484.15 -0.07 24,658 -20
08/26/05     883,460 4483.99 -0.16 24,613 -45
08/27/05     880,999 4483.89 -0.10 24,586 -27
08/28/05     878,297 4483.78 -0.11 24,557 -29
08/29/05     875,352 4483.66 -0.12 24,524 -33
08/30/05     871,922 4483.52 -0.14 24,485 -39
08/31/05     869,474 4483.42 -0.10 24,458 -27
09/01/05     867,518 4483.34 -0.08 24,436 -22
09/02/05     864,344 4483.21 -0.13 24,401 -35
09/03/05     861,418 4483.09 -0.12 24,368 -33
09/04/05     858,496 4482.97 -0.12 24,336 -32
09/05/05    855,578 4482.85 -0.12 24,307 -29
09/06/05     852,906 4482.74 -0.11 24,279 -28
09/07/05     850,722 4482.65 -0.09 24,257 -22
09/08/05    848,055 4482.54 -0.11 24,229 -28
09/09/05     845,875 4482.45 -0.09 24,206 -23
09/10/05     843,456 4482.35 -0.10 24,182 -24
09/11/05     840,798 4482.24 -0.11 24,154 -28
09/12/05     838,866 4482.16 -0.08 24,134 -20
09/13/05     836,936 4482.08 -0.08 24,114 -20
09/14/05     835,008 4482.00 -0.08 24,094 -20
09/15/05     833,322 4481.93 -0.07 24,077 -17
09/16/05     831,397 4481.85 -0.08 24,058 -19
09/17/05     829,232 4481.76 -0.09 24,036 -22
09/18/05     828,271 4481.72 -0.04 24,026 -10
09/19/05     826,830 4481.66 -0.06 24,011 -15
09/20/05     825,390 4481.60 -0.06 23,997 -14
09/21/05     823,950 4481.54 -0.06 23,982 -15
09/22/05     822,032 4481.46 -0.08 23,962 -20
09/23/05     820,595 4481.40 -0.06 23,948 -14
09/24/05     818,202 4481.30 -0.10 23,924 -24
09/25/05     816,050 4481.21 -0.09 23,901 -23
09/26/05     814,855 4481.16 -0.05 23,889 -12
09/27/05     812,945 4481.08 -0.08 23,870 -19
09/28/05     811,513 4481.02 -0.06 23,855 -15
09/29/05     810,082 4480.96 -0.06 23,841 -14
09/30/05     808,176 4480.88 -0.08 23,822 -19
10/01/05     806,747 4480.82 -0.06 23,808 -14
10/02/05     804,605 4480.73 -0.09 23,787 -21
10/03/05     803,179 4480.67 -0.06 23,773 -14
10/04/05     801,040 4480.58 -0.09 23,751 -22
10/05/05     799,377 4480.51 -0.07 23,734 -17
10/06/05     799,140 4480.50 -0.01 23,732 -2
10/07/05     797,954 4480.45 -0.05 23,721 -11
10/08/05     796,294 4480.38 -0.07 23,704 -17
10/09/05     795,109 4480.33 -0.05 23,692 -12
10/10/05     793,688 4480.27 -0.06 23,678 -14
10/11/05     792,032 4480.20 -0.07 23,662 -16
10/12/05     790,140 4480.12 -0.08 23,643 -19
10/13/05     788,485 4480.05 -0.07 23,626 -17
10/14/05     786,124 4479.95 -0.10 23,600 -26
10/15/05     784,702 4479.89 -0.06 23,583 -17
10/16/05     783,252 4479.83 -0.06 23,566 -17
10/17/05     783,252 4479.83 0.00 23,566 0
10/18/05     781,609 4479.76 -0.07 23,546 -20
10/19/05     779,997 4479.69 -0.07 23,527 -19
10/20/05     778,351 4479.62 -0.07 23,508 -19
10/21/05     777,176 4479.57 -0.05 23,494 -14
10/22/05     775,532 4479.50 -0.07 23,474 -20
10/23/05     773,655 4479.42 -0.08 23,452 -22
10/24/05     773,420 4479.41 -0.01 23,449 -3
10/25/05     773,420 4479.41 0.00 23,449 0
10/26/05     774,593 4479.46 0.05 23,463 14
10/27/05     774,828 4479.47 0.01 23,466 3
10/28/05     775,767 4479.51 0.04 23,477 11
10/29/05     776,001 4479.52 0.01 23,480 3
10/30/05     777,176 4479.57 0.05 23,494 14
10/31/05     777,646 4479.59 0.02 23,499 5
11/01/05    777,881 4479.60 0.01 23,502 3
11/02/05     779,761 4479.68 0.08 23,524 22
11/03/05     780,461 4479.71 0.03 23,533 9
11/04/05     782,068 4479.78 0.07 23,552 19
11/05/05     782,769 4479.81 0.03 23,560 8
11/06/05     783,493 4479.84 0.03 23,569 9
11/07/05     786,832 4479.98 0.14 23,608 39
11/08/05     789,667 4480.10 0.12 23,638 30
11/09/05     790,613 4480.14 0.04 23,648 10
11/10/05     791,795 4480.19 0.05 23,660 12
11/11/05     792,505 4480.22 0.03 23,667 7
11/12/05     792,742 4480.23 0.01 23,669 2
11/13/05     793,688 4480.27 0.04 23,678 9
11/14/05     794,399 4480.30 0.03 23,685 7
11/15/05     794,162 4480.29 -0.01 23,683-2  
11/16/05     794,636 4480.31 0.02 23,687 4
11/17/05     794,873 4480.32 0.01 23,690 3
11/18/05     795,346 4480.34 0.02 23,695 5
11/19/05     795,583 4480.35 0.01 23,697 2
11/20/05     795,820 4480.36 0.01 23,699 2
11/21/05     796,057 4480.37 0.01 23,702 3
11/22/05     796,531 4480.39 0.02 23,707 5
11/23/05   796,531 4480.39 0.00  23,707 0
11/24/05    797,242 4480.42 0.03 23,714 7
11/25/05    798,665 4480.48 0.06 23,727 13
11/26/05   798,903 4480.49 0.01 23,730 3
11/27/05   799,377 4480.51 0.02 23,734 4
11/28/05    801,040 4480.58 0.07 23,751 17
11/29/05    801,515 4480.60 0.02 23,756 5
11/30/05     802,228 4480.63 0.03 23,763 7
12/01/05    807,461 4480.85 0.22 23,815 52
12/02/05    810,320 4480.97 0.12 23,843 28
12/03/05     811,036 4481.00 0.03 23,850 7
12/04/05    812,467 4481.06 0.06 23,865 15
12/05/05    813,183 4481.09 0.03 23,872 7
12/06/05    814,138 4481.13 0.04 23,882 10
12/07/05    814,616 4481.15 0.02 23,887 5
12/08/05    815,094 4481.17 0.02 23,892 5
12/09/05    816,528 4481.23 0.06 23,906 14
12/10/05    817,245 4481.26 0.03 23,914 8
12/11/05    818,202 4481.30 0.04 23,924 10
12/12/05    818,920 4481.33 0.03 23,931 7
12/13/05    819,398 4481.35 0.02 23,936 5
12/14/05    817,724 4481.28 -0.07 23,919 -17
12/15/05   815,811 4481.20 -0.08 23,899 -20
12/16/05    814,377 4481.14 -0.06 23,885 -14
12/17/05    812,945 4481.08 -0.06 23,870 -15
12/18/05    815,333 4481.18 0.10 23,894 24
12/19/05    816,050 4481.21 0.03 23,901 7
12/20/05    816,528 4481.23 0.02 23,906 5
12/21/05    823,710 4481.53 0.30 23,979 73
12/22/05    835,490 4482.02 90.4 24,099 120
12/23/05    842,972 4482.33 0.31 24,176 77
12/24/05    848,055 4482.54 0.21 24,229 53
12/25/05    853,149 4482.75 0.21 24,282 53
12/26/05    858,983 4482.99 0.24 24,341 59
12/27/05    864,588 4483.22 0.23 24,403 62
12/28/05    877,560 4483.75 0.53 24,548 145
12/29/05    885,676 4484.08 0.33 24,638 90
12/30/05    894,316 4484.43 0.35 24,735 97
12/31/05     911,449 4485.12 0.69 24,924 189