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
01/01/04 786,360 4479.96 0.06 23,603 17
01/02/04 784,702 4479.89 -0.07 23,583 -20
01/03/04 782,527 4479.80 -0.09 23,557 -26
01/04/04 780,691 4479.72 -0.08 23,535 -22
01/05/04 779,526 4479.67 -0.05 23,522 -13
01/06/04 776,941 4479.56 -0.11 23,491 -31
01/07/04 775,297 4479.49 -0.07 23,471 -20
01/08/04 773,655 4479.42 -0.07 23,452 -19
01/09/04 771,545 4479.33 -0.09 23,426 -26
01/10/04 769,438 4479.24 -0.09 23,401 -25
01/11/04 766,866 4479.13 -0.11 23,370 -31
01/12/04 764,764 4479.04 -0.09 23,345 -25
01/13/04 762,430 4478.94 -0.10 23,317 -28
01/14/04 760,333 4478.85 -0.09 23,292 -25
01/15/04 758,005 4478.75 -0.10 23,264 -28
01/16/04 755,448 4478.64 -0.11 23,233 -31
01/17/04 753,358 4478.55 -0.09 23,208 -25
01/18/04 750,807 4478.44 -0.11 23,177 -31
01/19/04 748,722 4478.35 -0.09 23,152 -25
01/20/04 746,639 4478.26 -0.09 23,127 -25
01/21/04 743,404 4478.12 -0.14 23,088 -39
01/22/04 741,214 4478.03 -0.09 23,061 -27
01/23/04 739,023 4477.93 -0.19 23,036 -25
01/24/04 736,261 4477.81 -0.12 23,004 -32
01/25/04 733,962 4477.71 -0.10 22,978 -26
01/26/04 731,206 4477.59 -0.12 22,946 -32
01/27/04 729,371 4477.51 -0.08 22,926 -20
01/28/04 727,800 4477.44 -0.07 22,907 -19
01/29/04 724,334 4477.29 -0.15 22,867 -40
01/30/04 722,049 4477.19 -0.10 22,841 -26
01/31/04 718,853 4477.05 -0.14 22,804 -37
02/01/04 716,347 4476.94 -0.11 22,775 -29
02/02/04 715,664 4476.91 -0.03 22,768 -7
02/03/04 713,843 4476.83 -0.08 22,747 -21
02/04/04 712,479 4476.77 -0.06 22,731 -16
02/05/04 710,435 4476.68 -0.09 22,708 -23
02/06/04 710,208 4476.67 -0.01 22,705 -3
02/07/04 707,938 4476.57 -0.10 22,679 -26
02/08/04 707,258 4476.54 -0.03 22,671 -8
02/09/04 707,938 4476.57 0.03 22,679 8
02/10/04 708,846 4476.61 0.04 22,690 11
02/11/04 709,981 4476.66 0.05 22,703 13
02/12/04 711,116 4476.71 0.05 22,716 13
02/13/04 712,024 4476.75 0.04 22,726 10
02/14/04 713,161 4476.80 0.05 22,739 13
02/15/04 714,981 4476.88 0.08 22,760 21
02/16/04 719,538 4477.08 0.20 22,812 52
02/17/04 729,142 4477.50 0.42 22,923 111
02/18/04 734,881 4477.75 0.25 22,988 65
02/19/04 739,484 4477.95 0.20 23,041 53
02/20/04 742,712 4478.09 0.14 23,079 38
02/21/04 746,177 4478.24 0.15 23,121 42
02/22/04 748,722 4478.35 0.11 23,152 31
02/23/04 751,039 4478.45 0.10 23,180 28
02/24/04 754,519 4478.60 0.15 23,222 42
02/25/04 760,566 4478.86 0.26 23,295 73
02/26/04 764,297 4479.02 0.16 23,340 45
02/27/04 765,931 4479.09 0.07 23,359 19
02/28/04 767,800 4479.17 0.08 23,382 23
02/29/04 769,438 4479.24 0.07 23,401 19
03/01/04 771,545 4479.33 0.09 23,426 25
03/02/04 773,420 4479.41 0.08 23,449 23
03/03/04 774,828 4479.47 0.06 23,466 17
03/04/04 775,062 4479.48 0.01 23,468 2
03/05/04 777,646 4479.59 0.11 23,499 31
03/06/04 779,056 4479.65 0.06 23,516 17
03/07/04 780,461 4479.71 0.06 23,533 17
03/08/04 782,527 4479.80 0.09 23,557 24
03/09/04 784,460 4479.88 0.08 23,580 23
03/10/04 786,124 4479.95 0.07 23,600 20
03/11/04 787,540 4480.01 0.06 23,616 16
03/12/04 789,194 4480.08 0.07 23,633 17
03/13/04 791,322 4480.17 0.09 23,655 22
03/14/04 793,452 4480.26 0.09 23,676 21
03/15/04 795,820 4480.36 0.10 23,699 23
03/16/04 798,191 4480.46 0.10 23,723 24
03/17/04 801,040 4480.58 0.12 23,751 28
03/18/04 803,654 4480.69 0.11 23,778 27
03/19/04 806,509 4480.81 0.12 23,805 27
03/20/04 810,082 4480.96 0.15 23,841 36
03/21/04 813,183 4481.09 0.13 23,872 31
03/22/04 816,289 4481.22 0.13 23,904 32
03/23/04 818,920 4481.33 0.11 23,931 27
03/24/04 821,793 4481.45 0.12 23,960 29
03/25/04 825,870 4481.62 0.17 24,002 42
03/26/04 828,031 4481.71 0.09 24,023 21
03/27/04 830,194 4481.80 0.09 24,046 23
03/28/04 832,119 4481.88 0.08 24,065 19
03/29/04 834,044 4481.96 0.08 24,084 19
03/30/04 836,213 4482.05 0.09 24,107 23
03/31/04 838,142 4482.13 0.08 24,126 19
04/01/04 839,590 4482.19 0.06 24,141 15
04/02/04 842,247 4482.30 0.11 24,169 28
04/03/04 844,665 4482.40 0.10 24,194 25
04/04/04 847,328 4482.51 0.11 24,221 27
04/05/04 849,994 4482.62 0.11 24,249 28
04/06/04 852,906 4482.74 0.12 24,279 30
04/07/04 855,092 4482.83 0.09 24,302 23
04/08/04 857,523 4482.93 0.10 24,326 24
04/09/04 859,956 4483.03 0.10 24,351 25
04/10/04 862,637 4483.14 0.11 24,382 31
04/11/04 865,320 4483.25 0.11 24,411 29
04/12/04 867,518 4483.34 0.09 24,436 25
04/13/04 869,719 4483.43 0.09 24,461 25
04/14/04 871,677 4483.51 0.08 24,483 22
04/15/04 874,861 4483.64 0.13 24,518 35
04/16/04 876,824 4483.72 0.08 24,540 22
04/17/04 878,788 4483.80 0.08 24,562 22
04/18/04 880,999 4483.89 0.09 24,586 24
04/19/04 883,214 4483.98 0.09 24,611 25
04/20/04 885,676 4484.08 0.10 24,638 27
04/21/04 889,128 4484.22 0.14 24,678 40
04/22/04 891,597 4484.32 0.10 24,705 27
04/23/04 893,821 4484.41 0.09 24,730 25
04/24/04 896,048 4484.50 0.09 24,755 25
04/25/04 899,021 4484.62 0.12 24,788 33
04/26/04 901,749 4484.73 0.11 24,818 30
04/27/04 904,481 4484.84 0.11 24,849 31
04/28/04 907,713 4484.97 0.13 24,885 36
04/29/04 909,705 4485.05 0.08 24,906 21
04/30/04 912,446 4485.16 0.11 24,935 29
05/01/04 915,190 4485.27 0.11 24,963 28
05/02/04 918,188 4485.39 0.12 24,993 30
05/03/04 921,189 4485.51 0.12 25,025 32
05/04/04 923,692 4485.61 0.10 25,050 25
05/05/04 927,202 4485.75 0.14 25,086 36
05/06/04 929,963 4485.86 0.11 25,115 29
05/07/04 933,230 4485.99 0.13 25,148 33
05/08/04 935,998 4486.10 0.11 25,175 27
05/09/04 938,768 4486.21 0.11 25,201 26
05/10/04 942,803 4486.37 0.16 25,240 39
05/11/04 945,076 4486.46 0.09 25,261 21
05/12/04 947,603 4486.56 0.10 25,286 25
05/13/04 950,640 4486.68 0.12 25,315 29
05/14/04 953,172 4486.78 0.10 25,339 24
05/15/04 955,707 4486.88 0.10 25,363 24
05/16/04 957,990 4486.97 0.09 25,385 22
05/17/04 959,768 4487.04 0.07 25,405 20
05/18/04 962,565 4487.15 0.11 25,442 37
05/19/04 964,856 4487.24 0.09 25,471 29
05/20/04 966,895 4487.32 0.08 25,498 27
05/21/04 968,935 4487.40 0.08 25,524 26
05/22/04 970,978 4487.48 0.08 25,550 26
05/23/04 972,768 4487.55 0.07 25,573 23
05/24/04 974,559 4487.62 0.07 25,596 23
05/25/04 976,607 4487.70 0.08 25,622 26
05/26/04 978,914 4487.79 0.09 25,652 30
05/27/04 980,968 4487.87 0.08 25,678 26
05/28/04 983,280 4487.96 0.09 25,707 29
05/29/04 985,595 4488.05 0.09 25,733 26
05/30/04 987,654 4488.13 0.08 25,755 22
05/31/04 989,973 4488.22 0.09 25,778 23
06/01/04 991,520 4488.28 0.06 25,794 16
06/02/04 993,584 4488.36 0.08 25,815 21
06/03/04 995,134 4488.42 0.06 25,830 15
06/04/04 996,425 4488.47 0.05 25,844 14
06/05/04 998,752 4488.56 0.09 25,868 24
06/06/04 999,787 4488.60 0.04 25,878 10
06/07/04 1,001,081 4488.65 0.05 25,891 13
06/08/04 1,002,117 4488.69 0.04 25,901 10
06/09/04 1,003,671 4488.75 0.06 25,917 16
06/10/04 1,005,226 max 4488.81 0.06 25,933 16
06/11/04 1,004,967 4488.80 -0.01 25,930 -3
06/12/04 1,003,930 4488.76 -0.04 25,920 -10
06/13/04 1,004,189 4488.77 0.01 25,922 2
06/14/04 1,004,189 4488.77 0.00 25,922 0
06/15/04 1,003,930 4488.76 -0.01 25,920 -2
06/16/04 1,003,153 4488.73 -0.03 25,912 -8
06/17/04 1,002,117 4488.69 -0.04 25,901 -11
06/18/04 1,000,305 4488.62 -0.07 25,883 -18
06/19/04 999,528 4488.59 -0.03 25,875 -8
06/20/04 999,528 4488.59 0.00 25,875 0
06/21/04 998,235 4488.54 -0.05 25,862 -13
06/22/04 997,460 4488.51 -0.03 25,855 -7
06/23/04 996,167 4488.46 -0.05 25,841 -14
06/24/04 995,392 4488.43 -0.03 25,833 -8
06/25/04 995,134 4488.42 -0.01 25,830 -3
06/26/04 994,101 4488.38 -0.04 25,820 -10
06/27/04 993,068 4488.34 -0.04 25,809 -11
06/28/04 990,230 4488.23 -0.11 25,781 -28
06/29/04 991,004 4488.26 0.03 25,789 8
06/30/04 990,746 4488.25 -0.01 25,786 -3
07/01/04 989,715 4488.21 -0.04 25,776 -10
07/02/04 987,912 4488.14 -0.07 25,757 -19
07/03/04 986,367 4488.08 -0.06 25,742 -15
07/04/04 986,109 4488.07 -0.01 25,739 -3
07/05/04 985,080 4488.03 -0.04 25,728 -11
07/06/04 983,794 4487.98 -0.05 25,714 -14
07/07/04 980,197 4487.84 -0.14 25,668 -46
07/08/04 979,428 4487.81 -0.03 25,658 -10
07/09/04 977,889 4487.75 -0.06 25,639 -19
07/10/04 977,889 4487.75 0.00 25,639 0
07/11/04 977,632 4487.74 -0.01 25,635 -4
07/12/04 977,120 4487.72 -0.02 25,629 -6
07/13/04 975,839 4487.67 -0.05 25,612 -17
07/14/04 973,535 4487.58 -0.09 25,582 -30
07/15/04 973,023 4487.56 -0.02 25,576 -6
07/16/04 970,722 4487.47 -0.09 25,546 -30
07/17/04 969,446 4487.42 -0.05 25,530 -16
07/18/04 967,660 4487.35 -0.07 25,508 -22
07/19/04 964,856 4487.24 -0.11 25,471 -37
07/20/04 962,056 4487.13 -0.11 25,435 -36
07/21/04 960,022 4487.05 -0.08 25,408 -27
07/22/04 957,990 4486.97 -0.08 25,385 -23
07/23/04 955,707 4486.88 -0.09 25,363 -22
07/24/04 952,919 4486.77 -0.11 25,337 -26
07/25/04 950,893 4486.69 -0.08 25,318 -19
07/26/04 948,109 4486.58 -0.11 25,291 -27
07/27/04 945,582 4486.48 -0.10 25,266 -25
07/28/04 942,803 4486.37 -0.11 25,240 -26
07/29/04 940,028 4486.26 -0.11 25,213 -27
07/30/04 936,753 4486.13 -0.13 25,182 -31
07/31/04 934,236 4486.03 -0.10 25,157 -25
08/01/04 931,219 4485.91 -0.12 25,127 -30
08/02/04 928,206 4485.79 -0.12 25,096 -31
08/03/04 925,697 4485.69 -0.10 25,070 -26
08/04/04 922,440 4485.56 -0.13 25,038 -32
08/05/04 919,938 4485.46 -0.10 25,012 -26
08/06/04 917,188 4485.35 -0.11 24,983 -29
08/07/04 914,941 4485.26 -0.09 24,961 -22
08/08/04 911,699 4485.13 -0.13 24,927 -34
08/09/04 909,207 4485.03 -0.10 24,901 -26
08/10/04 906,221 4484.91 -0.12 24,869 -32
08/11/04 903,735 4484.81 -0.10 24,841 -28
08/12/04 902,494 4484.76 -0.05 24,827 -14
08/13/04 900,013 4484.66 -0.10 24,799 -28
08/14/04 897,286 4484.55 -0.11 24,769 -30
08/15/04 894,563 4484.44 -0.11 24,738 -31
08/16/04 892,832 4484.37 -0.07 24,719 -19
08/17/04 889,868 4484.25 -0.12 24,686 -33
08/18/04 888,141 4484.18 -0.07 24,666 -20
08/19/04 885,183 4484.06 -0.12 24,633 -33
08/20/04 882,721 4483.96 -0.10 24,605 -28
08/21/04 880,262 4483.86 -0.10 24,578 -27
08/22/04 876,824 4483.72 -0.14 24,540 -38
08/23/04 873,636 4483.59 -0.13 24,504 -36
08/24/04 871,432 4483.50 -0.09 24,480 -24
08/25/04 868,496 4483.38 -0.12 24,447 -33
08/26/04 866,541 4483.30 -0.08 24,425 -22
08/27/04 863,368 4483.17 -0.13 24,390 -35
08/28/04 861,175 4483.08 -0.09 24,365 -25
08/29/04 858,983 4482.99 -0.09 24,341 -24
08/30/04 856,307 4482.88 -0.11 24,314 -27
08/31/04 854,120 4482.79 -0.09 24,291 -23
09/01/04 852,420 4482.72 -0.07 24,274 -17
09/02/04 850,722 4482.65 -0.07 24,257 -17
09/03/04 849,024 4482.58 -0.07 24,239 -18
09/04/04 847,086 4482.50 -0.08 24,219 -20
09/05/04 845,633 4482.44 -0.06 24,204 -15
09/06/04 844,181 4482.38 -0.06 24,189 -15
09/07/04 842,489 4482.31 -0.07 24,172 -17
09/08/04 841,522 4482.27 -0.04 24,161 -11
09/09/04 839,590 4482.19 -0.08 24,141 -20
09/10/04 837,418 4482.10 -0.09 24,119 -22
09/11/04 836,695 4482.07 -0.03 24,111 -8
09/12/04 834,767 4481.99 -0.08 24,092 -19
09/13/04 833,081 4481.92 -0.07 24,075 -17
09/14/04 830,915 4481.83 -0.09 24,053 -22
09/15/04 828,992 4481.75 -0.08 24,033 -20
09/16/04 828,031 4481.71 -0.04 24,023 -10
09/17/04 825,630 4481.61 -0.10 23,999 -24
09/18/04 825,390 4481.60 -0.01 23,997 -2
09/19/04 824,910 4481.58 -0.02 23,992 -5
09/20/04 824,430 4481.56 -0.02 23,987 -5
09/21/04 823,471 4481.52 -0.04 23,977 -10
09/22/04 823,231 4481.51 -0.01 23,975 -2
09/23/04 822,751 4481.49 -0.02 23,970 -5
09/24/04 821,553 4481.44 -0.05 23,958 -12
09/25/04 820,116 4481.38 -0.06 23,943 -15
09/26/04 818,920 4481.33 -0.05 23,931 -12
09/27/04 817,006 4481.25 -0.08 23,911 -20
09/28/04 815,572 4481.19 -0.06 23,897 -14
09/29/04 814,616 4481.15 -0.04 23,887 -10
09/30/04 813,422 4481.10 -0.05 23,875 -12
10/01/04 812,706 4481.07 -0.03 23,867 -8
10/02/04 811,751 4481.03 -0.04 23,857 -10
10/03/04 811,513 4481.02 -0.01 23,855 -2
10/04/04 811,274 4481.01 -0.01 23,852 -3
10/05/04 810,559 4480.98 -0.03 23,845 -7
10/06/04 810,082 4480.96 -0.02 23,841 -4
10/07/04 810,559 4480.98 0.02 23,845 4
10/08/04 811,513 4481.02 0.04 23,855 10
10/09/04 812,467 4481.06 0.04 23,865 10
10/10/04 813,183 4481.09 0.03 23,872 7
10/11/04 813,661 4481.11 0.02 23,877 5
10/12/04 813,183 4481.09 -0.02 23,872 -5
10/13/04 812,945 4481.08 -0.01 23,870 -2
10/14/04 812,229 4481.05 -0.03 23,863 -7
10/15/04 811,751 4481.03 -0.02 23,857 -6
10/16/04 811,036 4481.00 -0.03 23,850 -7
10/17/04 812,706 4481.07 0.07 23,867 17
10/18/04 811,513 4481.02 -0.05 23,855 -12
10/19/04 814,377 4481.14 0.12 23,885 30
10/20/04 815,811 4481.20 0.06 23,899 14
10/21/04 816,289 4481.22 0.02 23,904 5
10/22/04 817,125 4481.25 0.03 23,913 9
10/23/04 817,963 4481.29 0.04 23,922 9
10/24/04 818,763 4481.32 0.03 23,930 8
10/25/04 817,006 4481.25 -0.07 23,911 -19
10/26/04 817,963 4481.29 0.04 23,922 11
10/27/04 817,006 4481.25 -0.04 23,911 -11
10/28/04 815,811 4481.20 -0.05 23,899 -12
10/29/04 814,616 4481.15 -0.05 23,887 -12
10/30/04 813,661 4481.11 -0.04 23,877 -10
10/31/04 813,183 4481.09 -0.02 23,872 -5
11/01/04 811,513 4481.02 -0.07 23,855 -17
11/02/04 810,082 4480.96 -0.06 23,841 -14
11/03/04 810,320 4480.97 0.01 23,843 2
11/04/04 808,620 4480.90 -0.07 23,827 -16
11/05/04 805,700 4480.78 -0.12 23,797 -30
11/06/04 804,500 4480.73 -0.05 23,786 -11
11/07/04 803,126 4480.67 -0.06 23,772 -14
11/08/04 801,753 4480.61 -0.06 23,758 -14
11/09/04 800,500 4480.56 -0.05 23,746 -12
11/10/04 800,327 4480.55 -0.01 23,744 -2
11/11/04 799,852 4480.53 -0.02 23,739 -5
11/12/04 798,428 4480.47 -0.06 23,725 -14
11/13/04 798,665 4480.48 0.01 23,727 2
11/14/04 797,954 4480.45 -0.03 23,721 -6
11/15/04 796,768 4480.40 -0.05 23,709 -12
11/16/04 795,109 4480.33 -0.07 23,692 -17
11/17/04 794,399 4480.30 -0.03 23,685 -7
11/18/04 793,452 4480.26 -0.04 23,676 -9
11/19/04 792,269 4480.21 -0.05 23,664 -12
11/20/04 791,322 4480.17 -0.04 23,655 -9
11/21/04 790,140 4480.12 -0.05 23,643 -12
11/22/04 788,958 4480.07 -0.05 23,631 -12
11/23/04 787,776 4480.02 -0.05 23,619 -12
11/24/04 787,068 4479.99 -0.03 23,611 -8
11/25/04 786,124 4479.95 -0.04 23,600 -11
11/26/04 785,416 4479.92 -0.03 23,592 -8
11/27/04 785,888 4479.94 0.02 23,597 5
11/28/04 785,180 4479.91 -0.03 23,589 -8
11/29/04 782,527 4479.80 -0.11 23,557 -32
11/30/04 781,379 4479.75 -0.05 23,544 -13
12/01/04 779,291 4479.66 -0.09 23,519 -25
12/02/04 777,411 4479.58 -0.08 23,496 -23
12/03/04 775,297 4479.49 -0.09 23,471 -25
12/04/04 773,889 4479.43 -0.06 23,454 -17
12/05/04 772,014 4479.35 -0.08 23,432 -22
12/06/04 772,014 4479.35 0.00 23,432 0
12/07/04 773,186 4479.40 0.05 23,446 14
12/08/04 774,593 4479.46 0.06 23,463 17
12/09/04 772,717 4479.38 -0.08 23,440 -23
12/10/04 771,780 4479.34 -0.04 23,429 -11
12/11/04 772,014 4479.35 0.01 23,432 3
12/12/04 771,780 4479.34 -0.01 23,429 -3
12/13/04 771,780 4479.34 0.00 23,429 0
12/14/04 772,248 4479.36 0.02 23,435 6
12/15/04 772,952 4479.39 0.03 23,443 8
12/16/04 773,186 4479.40 0.01 23,446 3
12/17/04 772,014 4479.35 -0.05 23,432 -14
12/18/04 772,014 4479.35 0.00 23,432 0
12/19/04 770,843 4479.30 -0.05 23,418 -14
12/20/04 770,843 4479.30 0.00 23,418 0
12/21/04 769,672 4479.25 -0.05 23,404 -14
12/22/04 768,034 4479.18 -0.07 23,384 -20
12/23/04 766,399 4479.11 -0.07 23,365 -19
12/24/04 765,698 4479.08 -0.03 23,356 -9
12/25/04 764,063 4479.01 -0.07 23,337 -19
12/26/04 763,130 4478.97 -0.04 23,326 -11
12/27/04 762,197 4478.93 -0.04 23,314 -12
12/28/04 761,498 4478.90 -0.03 23,306 -8
12/29/04 761,498 4478.90 0.00 23,306 0
12/30/04 762,897 4478.96 0.06 23,323 17
12/31/04 763,363 4478.98 0.02 23,328 5

 
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