2003 Daily Lake Levels

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  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
1/1/03 763,130 4478.97 23,326
1/2/03 764,297 4479.02 0.05 23,340 14
1/3/03 764,764 4479.04 0.02 23,345 5
1/4/03 766,632 4479.12 0.08 23,368 23
1/5/03 767,333 4479.15 0.03 23,376 8
1/6/03 768,268 4479.19 0.04 23,387 11
1/7/03 768,502 4479.20 0.01 23,390 3
1/8/03 768,736 4479.21 0.01 23,393 3
1/9/03 770,140 4479.27 0.06 23,410 17
1/10/03 771,780 4479.34 0.07 23,429 19
1/11/03 772,014 4479.35 0.01 23,432 3
1/12/03 774,359 4479.45 0.10 23,460 28
1/13/03 777,176 4479.57 0.12 23,494 34
1/14/03 778,821 4479.64 0.07 23,513 19
1/15/03 779,526 4479.67 0.03 23,522 9
1/16/03 780,920 4479.73 0.06 23,538 16
1/17/03 781,838 4479.77 0.04 23,549 11
1/18/03 782,297 4479.79 0.02 23,555 6
1/19/03 781,838 4479.77 -0.02 23,549 -6
1/20/03 781,609 4479.76 -0.01 23,546 -3
1/21/03 781,838 4479.77 0.01 23,549 3
1/22/03 784,218 4479.87 0.10 23,577 28
1/23/03 786,832 4479.98 0.11 23,608 31
1/24/03 790,376 4480.13 0.15 23,645 37
1/25/03 792,032 4480.20 0.07 23,662 17
1/26/03 794,636 4480.31 0.11 23,687 25
1/27/03 794,636 4480.31 0.00 23,687 0
1/28/03 797,479 4480.43 0.12 23,716 29
1/29/03 799,377 4480.51 0.08 23,734 18
1/30/03 801,040 4480.58 0.07 23,751 17
1/31/03 803,416 4480.68 0.10 23,775 24
2/1/03 804,843 4480.74 0.06 23,789 14
2/2/03 806,985 4480.83 0.09 23,810 21
2/3/03 808,652 4480.90 0.07 23,827 17
2/4/03 810,320 4480.97 0.07 23,843 16
2/5/03 809,605 4480.94 -0.03 23,836 -7
2/6/03 807,937 4480.87 -0.07 23,820 -16
2/7/03 806,985 4480.83 -0.04 23,810 -10
2/8/03 805,081 4480.75 -0.08 23,791 -19
2/9/03 803,416 4480.68 -0.07 23,775 -16
2/10/03 801,515 4480.60 -0.08 23,756 -19
2/11/03 798,903 4480.49 -0.11 23,730 -26
2/12/03 796,768 4480.40 -0.09 23,709 -21
2/13/03 796,768 4480.40 0.00 23,709 0
2/14/03 796,531 4480.39 -0.01 23,707 -2
2/15/03 797,479 4480.43 0.04 23,716 9
2/16/03 799,852 4480.53 0.10 23,739 23
2/17/03 799,140 4480.50 -0.03 23,732 -7
2/18/03 798,665 4480.48 -0.02 23,727 -5
2/19/03 798,665 4480.48 0.00 23,727 0
2/20/03 797,716 4480.44 -0.04 23,718 -9
2/21/03 796,531 4480.39 -0.05 23,707 -11
2/22/03 796,294 4480.38 -0.01 23,704 -3
2/23/03 795,109 4480.33 -0.05 23,692 -12
2/24/03 794,636 4480.31 -0.02 23,687 -5
2/25/03 792,505 4480.22 -0.09 23,667 -20
2/26/03 790,849 4480.15 -0.07 23,650 -17
2/27/03 788,958 4480.07 -0.08 23,631 -19
2/28/03 786,596 4479.97 -0.10 23,606 -25
3/1/03 784,702 4479.89 -0.08 23,583 -23
3/2/03 785,180 4479.91 0.02 23,589 6
3/3/03 786,596 4479.97 0.06 23,606 17
3/4/03 787,304 4480.00 0.03 23,614 8
3/5/03 788,012 4480.03 0.03 23,621 7
3/6/03 789,431 4480.09 0.06 23,636 15
3/7/03 790,376 4480.13 0.04 23,645 9
3/8/03 791,559 4480.18 0.05 23,657 12
3/9/03 792,505 4480.22 0.04 23,667 10
3/10/03 794,399 4480.30 0.08 23,685 18
3/11/03 795,346 4480.34 0.04 23,695 10
3/12/03 796,531 4480.39 0.05 23,707 12
3/13/03 797,005 4480.41 0.02 23,711 4
3/14/03 801,990 4480.62 0.21 23,761 50
3/15/03 806,985 4480.83 0.21 23,810 49
3/16/03 809,844 4480.95 0.12 23,839 29
3/17/03 811,633 4481.03 0.08 23,856 17
3/18/03 813,422 4481.10 0.07 23,875 19
3/19/03 814,855 4481.16 0.06 23,889 14
3/20/03 817,006 4481.25 0.09 23,911 22
3/21/03 818,202 4481.30 0.05 23,924 13
3/22/03 820,116 4481.38 0.08 23,943 19
3/23/03 822,032 4481.46 0.08 23,962 19
3/24/03 824,190 4481.55 0.09 23,984 22
3/25/03 826,110 4481.63 0.08 24,004 20
3/26/03 830,194 4481.80 0.17 24,046 42
3/27/03 833,081 4481.92 0.12 24,075 29
3/28/03 834,767 4481.99 0.07 24,092 17
3/29/03 837,901 4482.12 0.13 24,124 32
3/30/03 839,832 4482.20 0.08 24,144 20
3/31/03 842,005 4482.29 0.09 24,166 22
4/1/03 845,149 4482.42 0.13 24,199 33
4/2/03 847,813 4482.53 0.11 24,227 28
4/3/03 849,509 4482.60 0.07 24,244 17
4/4/03 852,420 4482.72 0.12 24,274 30
4/5/03 853,877 4482.78 0.06 24,289 15
4/6/03 855,578 4482.85 0.07 24,307 18
4/7/03 857,036 4482.91 0.06 24,321 14
4/8/03 858,983 4482.99 0.08 24,341 20
4/9/03 860,931 4483.07 0.08 24,363 22
4/10/03 862,149 4483.12 0.05 24,376 13
4/11/03 864,344 4483.21 0.09 24,401 25
4/12/03 869,963 4483.44 0.23 24,464 63
4/13/03 873,636 4483.59 0.15 24,504 40
4/14/03 876,333 4483.70 0.11 24,535 31
4/15/03 878,297 4483.78 0.08 24,557 22
4/16/03 880,508 4483.87 0.09 24,581 24
4/17/03 882,475 4483.95 0.08 24,602 21
4/18/03 884,445 4484.03 0.08 24,624 22
4/19/03 886,662 4484.12 0.09 24,650 26
4/20/03 888,387 4484.19 0.07 24,669 19
4/21/03 891,103 4484.30 0.11 24,700 31
4/22/03 893,327 4484.39 0.09 24,724 24
4/23/03 895,305 4484.47 0.08 24,747 23
4/24/03 899,517 4484.64 0.17 24,794 47
4/25/03 903,735 4484.81 0.17 24,841 47
4/26/03 905,972 4484.90 0.09 24,866 25
4/27/03 908,709 4485.01 0.11 24,896 30
4/28/03 912,945 4485.18 0.17 24,940 44
4/29/03 915,689 4485.29 0.11 24,968 28
4/30/03 918,438 4485.40 0.11 24,996 28
5/1/03 920,439 4485.48 0.08 25,017 21
5/2/03 923,442 4485.60 0.12 25,048 31
5/3/03 927,955 4485.78 0.18 25,094 46
5/4/03 930,716 4485.89 0.11 25,122 28
5/5/03 933,984 4486.02 0.13 25,155 33
5/6/03 937,005 4486.14 0.12 25,185 30
5/7/03 939,524 4486.24 0.10 25,209 24
5/8/03 943,308 4486.39 0.15 25,245 36
5/9/03 945,834 4486.49 0.10 25,269 24
5/10/03 949,121 4486.62 0.13 25,301 32
5/11/03 951,906 4486.73 0.11 25,327 26
5/12/03 954,946 4486.85 0.12 25,356 29
5/13/03 957,229 4486.94 0.09 25,378 22
5/14/03 959,768 4487.04 0.10 25,405 27
5/15/03 961,802 4487.12 0.08 25,432 27
5/16/03 965,111 4487.25 0.13 25,475 43
5/17/03 968,170 4487.37 0.12 25,514 39
5/18/03 971,233 4487.49 0.12 25,553 39
5/19/03 974,047 4487.60 0.11 25,589 36
5/20/03 976,607 4487.70 0.10 25,622 33
5/21/03 980,197 4487.84 0.14 25,668 46
5/22/03 983,280 4487.96 0.12 25,707 39
5/23/03 988,169 4488.15 0.19 25,760 53
5/24/03 991,778 4488.29 0.14 25,796 36
5/25/03 995,392 4488.43 0.14 25,833 37
5/26/03 999,787 4488.60 0.17 25,878 45
5/27/03 1,003,412 4488.74 0.14 25,914 36
5/28/03 1,007,561 4488.90 0.16 25,957 43
5/29/03 1,009,119 4488.96 0.06 25,973 16
5/30/03 1,012,757 4489.10 0.14 26,009 36
5/31/03 1,016,921 4489.26 0.16 26,051 42
6/1/03 1,020,309 4489.39 0.13 26,084 33
6/2/03 1,024,485 4489.55 0.16 26,126 42
6/3/03 1,027,360 4489.66 0.11 26,155 29
6/4/03 1,029,191 4489.73 0.07 26,173 18
6/5/03 1,030,761 4489.79 0.06 26,188 15
6/6/03 1,031,809 4489.83 0.04 26,199 11
6/7/03 1,032,857 4489.87 0.04 26,209 10
6/8/03 1,034,168 4489.92 0.05 26,222 13
6/9/03 1,036,531 4490.01 0.09 26,245 23
6/10/03 1,036,793 4490.02 0.01 26,248 3
6/11/03 1,036,269 4490.00 -0.02 26,243 -5
6/12/03 1,036,269 4490.00 0.00 26,243 0
6/13/03 1,035,481 4489.97 -0.03 26,235 -8
6/14/03 1,034,956 4489.95 -0.02 26,230 -5
6/15/03 1,034,430 4489.93 -0.02 26,225 -5
6/16/03 1,034,168 4489.92 -0.01 26,222 -3
6/17/03 1,033,905 4489.91 -0.01 26,220 -2
6/18/03 1,033,381 4489.89 -0.02 26,214 -6
6/19/03 1,033,119 4489.88 -0.01 26,212 -2
6/20/03 1,031,809 4489.83 -0.05 26,199 -13
6/21/03 1,031,285 4489.81 -0.02 26,194 -5
6/22/03 1,031,023 4489.80 -0.01 26,191 -3
6/23/03 1,031,023 4489.80 0.00 26,191 0
6/24/03 1,028,929 4489.72 -0.08 26,170 -21
6/25/03 1,027,883 4489.68 -0.04 26,160 -10
6/26/03 1,027,098 4489.65 -0.03 26,152 -8
6/27/03 1,026,052 4489.61 -0.04 26,142 -10
6/28/03 1,025,007 4489.57 -0.04 26,131 -11
6/29/03 1,023,440 4489.51 -0.06 26,116 -15
6/30/03 1,022,135 4489.46 -0.05 26,103 -13
7/1/03 1,020,309 4489.39 -0.07 26,084 -19
7/2/03 1,018,484 4489.32 -0.07 26,066 -18
7/3/03 1,017,181 4489.27 -0.05 26,053 -13
7/4/03 1,016,400 4489.24 -0.03 26,045 -8
7/5/03 1,015,359 4489.20 -0.04 26,035 -10
7/6/03 1,015,099 4489.19 -0.01 26,032 -3
7/7/03 1,012,757 4489.10 -0.09 26,009 -23
7/8/03 1,012,237 4489.08 -0.02 26,004 -5
7/9/03 1,010,937 4489.03 -0.05 25,991 -13
7/10/03 1,009,898 4488.99 -0.04 25,980 -11
7/11/03 1,008,340 4488.93 -0.06 25,965 -15
7/12/03 1,006,782 4488.87 -0.06 25,949 -16
7/13/03 1,005,226 4488.81 -0.06 25,933 -16
7/14/03 1,004,449 4488.78 -0.03 25,925 -8
7/15/03 1,001,340 4488.66 -0.12 25,894 -31
7/16/03 999,270 4488.58 -0.08 25,873 -21
7/17/03 997,201 4488.50 -0.08 25,852 -21
7/18/03 995,909 4488.45 -0.05 25,839 -13
7/19/03 994,875 4488.41 -0.04 25,828 -11
7/20/03 993,584 4488.36 -0.05 25,815 -13
7/21/03 992,552 4488.32 -0.04 25,804 -11
7/22/03 991,778 4488.29 -0.03 25,796 -8
7/23/03 990,230 4488.23 -0.06 25,781 -15
7/24/03 989,715 4488.21 -0.02 25,776 -5
7/25/03 987,654 4488.13 -0.08 25,755 -21
7/26/03 985,337 4488.04 -0.09 25,731 -24
7/27/03 983,280 4487.96 -0.08 25,707 -24
7/28/03 982,252 4487.92 -0.04 25,694 -13
7/29/03 980,711 4487.86 -0.06 25,675 -19
7/30/03 978,145 4487.76 -0.10 25,642 -33
7/31/03 975,839 4487.67 -0.09 25,612 -30
8/1/03 973,791 4487.59 -0.08 25,586 -26
8/2/03 973,023 4487.56 -0.03 25,576 -10
8/3/03 971,233 4487.49 -0.07 25,553 -23
8/4/03 969,190 4487.41 -0.08 25,527 -26
8/5/03 967,150 4487.33 -0.08 25,501 -26
8/6/03 964,856 4487.24 -0.09 25,471 -30
8/7/03 962,819 4487.16 -0.08 25,445 -26
8/8/03 961,293 4487.10 -0.06 25,425 -20
8/9/03 959,260 4487.02 -0.08 25,399 -26
8/10/03 957,229 4486.94 -0.08 25,378 -21
8/11/03 955,453 4486.87 -0.07 25,361 -17
8/12/03 953,426 4486.79 -0.08 25,342 -19
8/13/03 952,159 4486.74 -0.05 25,330 -12
8/14/03 950,386 4486.67 -0.07 25,313 -17
8/15/03 948,868 4486.61 -0.06 25,298 -15
8/16/03 947,351 4486.55 -0.06 25,284 -14
8/17/03 945,834 4486.49 -0.06 25,269 -15
8/18/03 944,824 4486.45 -0.04 25,259 -10
8/19/03 943,308 4486.39 -0.06 25,245 -14
8/20/03 941,289 4486.31 -0.08 25,225 -20
8/21/03 940,533 4486.28 -0.03 25,218 -7
8/22/03 940,280 4486.27