Year 2018 Daily Lake Levels

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

1/1/2018 935,494 4486.08 0.01 25,170 4
1/2/2018 934,487 4486.04 -0.04 25,160 -10
1/3/2018 933,733 4486.01 -0.03 25,153 -7
1/4/2018 933,481 4486.00 -0.01 25,150 -3
1/5/2018 933,481 4486.00 0.00 25,150 0
1/6/2018 933,481 4486.00 0.00 25,150 0
1/7/2018 933,229 4485.99 -0.01 25,147 -3
1/8/2018 933,732 4486.01 0.02 25,152 5
1/9/2018 935,243 4486.07 0.06 25,168 16
1/10/2018 935,242 4486.07 0.00 25,167 -1
1/11/2018 934,487 4486.04 -0.03 25,160 -7
1/12/2018 934,739 4486.05 0.01 25,162 2
1/13/2018 934,487 4486.04 -0.01 25,160 -2
1/14/2018 934,236 4486.03 -0.01 25,157 -3
1/15/2018 933,984 4486.02 -0.01 25,155 -2
1/16/2018 934,991 4486.06 0.04 25,165 10
1/17/2018 934,739 4486.05 -0.01 25,162 -3
1/18/2018 936,250 4486.11 0.06 25,177 15
1/19/2018 936,753 4486.13 0.02 25,182 5
1/20/2018 937,005 4486.14 0.01 25,185 3
1/21/2018 936,753 4486.13 -0.01 25,182 -3
1/22/2018 937,005 4486.14 0.01 25,185 3
1/23/2018 936,501 4486.12 -0.02 25,180 -5
1/24/2018 937,005 4486.14 0.02 25,185 5
1/25/2018 937,256 4486.15 0.01 25,187 2
1/26/2018 937,005 4486.14 -0.01 25,185 -2
1/27/2018 935,998 4486.10 -0.04 25,175 -10
1/28/2018 934,991 4486.06 -0.04 25,165 -10
1/29/2018 932,727 4485.97 -0.09 25,142 -23
1/30/2018 931,722 4485.93 -0.04 25,133 -9
1/31/2018 930,214 4485.87 -0.06 25,117 -16
2/1/2018 929,712 4485.85 -0.02 25,112 -5
2/2/2018 927,704 4485.77 -0.08 25,091 -21
2/3/2018 927,202 4485.75 -0.02 25,086 -5
2/4/2018 926,450 4485.72 -0.03 25,078 -8
2/5/2018 927,453 4485.76 0.04 25,089 11
2/6/2018 928,708 4485.81 0.05 25,102 13
2/7/2018 929,963 4485.86 0.05 25,115 13
2/8/2018 931,219 4485.91 0.05 25,127 12
2/9/2018 932,475 4485.96 0.05 25,140 13
2/10/2018 933,481 4486.00 0.04 25,150 10
2/11/2018 934,236 4486.03 0.03 25,157 7
2/12/2018 935,998 4486.10 0.07 25,175 18
2/13/2018 936,501 4486.12 0.02 25,180 5
2/14/2018 937,256 4486.15 0.03 25,187 7
2/15/2018 938,516 4486.20 0.05 25,199 12
2/16/2018 939,524 4486.24 0.04 25,209 10
2/17/2018 940,028 4486.26 0.02 25,213 4
2/18/2018 941,289 4486.31 0.05 25,225 12
2/19/2018 941,542 4486.32 0.01 25,228 3
2/20/2018 942,803 4486.37 0.05 25,240 12
2/21/2018 943,561 4486.40 0.03 25,247 7
2/22/2018 944,318 4486.43 0.03 25,254 7
2/23/2018 945,329 4486.47 0.04 25,264 10
2/24/2018 945,834 4486.49 0.02 25,269 5
2/25/2018 946,592 4486.52 0.03 25,276 7
2/26/2018 948,109 4486.58 0.06 25,291 15
2/27/2018 949,121 4486.62 0.04 25,301 10
2/28/2018 950,133 4486.66 0.04 25,310 9
3/1/2018 955,453 4486.87 0.21 25,361 51
3/2/2018 955,960 4486.89 0.02 25,366 5
3/3/2018 956,721 4486.92 0.03 25,373 7
3/4/2018 957,736 4486.96 0.04 25,382 9
3/5/2018 958,498 4486.99 0.03 25,390 8
3/6/2018 959,514 4487.03 0.04 25,402 12
3/7/2018 959,259 4487.02 -0.01 25,399 -3
3/8/2018 959,260 4487.02 0.00 25,399 0
3/9/2018 959,260 4487.02 0.00 25,399 0
3/10/2018 959,260 4487.02 0.00 25,399 0
3/11/2018 959,006 4487.01 -0.01 25,395 -4
3/12/2018 959,006 4487.01 0.00 25,395 0
3/13/2018 961,421 4487.11 0.10 25,427 32
3/14/2018 963,837 4487.20 0.09 25,458 31
3/15/2018 965,365 4487.26 0.06 25,478 20
3/16/2018 966,895 4487.32 0.06 25,498 20
3/17/2018 968,424 4487.38 0.06 25,517 19
3/18/2018 969,616 4487.43 0.05 25,533 16
3/19/2018 970,808 4487.47 0.04 25,547 14
3/20/2018 972,000 4487.52 0.05 25,563 16
3/21/2018 972,000 4487.52 0.00 25,563 0
3/22/2018 972,000 4487.52 0.00 25,563 0
3/23/2018 972,000 4487.52 0.00 25,563 0
3/24/2018 972,000 4487.52 0.00 25,563 0
3/25/2018 991,261 4488.27 0.75 25,791 228
3/26/2018 993,584 4488.36 0.09 25,815 24
3/27/2018 995,908 4488.45 0.09 25,838 23
3/28/2018 998,494 4488.55 0.10 25,865 27
3/29/2018 1,000,046 4488.61 0.06 25,881 16
3/30/2018 1,001,599 4488.67 0.06 25,896 15
3/31/2018 1,003,152 4488.73 0.06 25,912 16
4/1/2018 1,004,708 4488.79 0.06 25,927 15
4/2/2018 1,006,523 4488.86 0.07 25,946 19
4/3/2018 1,008,080 4488.92 0.06 25,962 16
4/4/2018 1,009,638 4488.98 0.06 25,978 16
4/5/2018 1,011,977 4489.07 0.09 26,001 23
4/6/2018 1,017,702 4489.29 0.22 26,058 57
4/7/2018 1,027,360 4489.66 0.37 26,155 97
4/8/2018 1,031,809 4489.83 0.17 26,199 44
4/9/2018 1,035,744 4489.98 0.15 26,238 39
4/10/2018 1,039,941 4490.14 0.16 26,275 37
4/11/2018 1,044,147 4490.30 0.16 26,311 36
4/12/2018 1,047,042 4490.41 0.11 26,335 24
4/13/2018 1,049,676 4490.51 0.10 26,358 23
4/14/2018 1,052,313 4490.61 0.10 26,380 22
4/15/2018 1,056,271 4490.76 0.15 26,414 34
4/16/2018 1,058,913 4490.86 0.10 26,437 23
4/17/2018 1,059,971 4490.90 0.04 26,446 9
4/18/2018 1,061,822 4490.97 0.07 26,461 15
4/19/2018 1,063,411 4491.03 0.06 26,476 15
4/20/2018 1,064,999 4491.09 0.06 26,491 15
4/21/2018 1,066,854 4491.16 0.07 26,509 18
4/22/2018 1,068,975 4491.24 0.08 26,529 20
4/23/2018 1,069,771 4491.27 0.03 26,537 8
4/24/2018 1,070,832 4491.31 0.04 26,547 10
4/25/2018 1,071,363 4491.33 0.02 26,552 5
4/26/2018 1,071,894 4491.35 0.02 26,557 5
4/27/2018 1,072,956 4491.39 0.04 26,567 10
4/28/2018 1,073,753 4491.42 0.03 26,575 8
4/29/2018 1,075,614 4491.49 0.07 26,593 18
4/30/2018 1,076,412 4491.52 0.03 26,599 6
5/1/2018 1,076,412 4491.52 0.00 26,599 0
5/2/2018 1,076,412 4491.52 0.00 26,599 0
5/3/2018 1,076,412 4491.52 0.00 26,599 0
5/4/2018 1,076,412 4491.52 0.00 26,599 0
5/5/2018 1,076,411 4491.52 0.00 26,599 0
5/6/2018 1,079,869 4491.65 0.13 26,615 16
5/7/2018 1,081,732 4491.72 0.07 26,624 9
5/8/2018 1,082,797 4491.76 0.04 26,629 5
5/9/2018 1,084,129 4491.81 0.05 26,635 6
5/10/2018 1,087,325 4491.93 0.12 26,651 16
5/11/2018 1,088,125 4491.96 0.03 26,655 4
5/12/2018 1,088,924 4491.99 0.03 26,659 4
5/13/2018 1,090,257 4492.04 0.05 26,672 13
5/14/2018 1,091,058 4492.07 0.03 26,681 9
5/15/2018 1,092,392 4492.12 0.05 26,696 15
5/16/2018 1,093,994 4492.18 0.06 26,715 19
5/17/2018 1,095,330 4492.23 0.05 26,730 15
5/18/2018 1,096,399 4492.27 0.04 26,742 12
5/19/2018 1,097,468 4492.31 0.04 26,754 12
5/20/2018 1,098,003 4492.33 0.02 26,760 6
5/21/2018 1,098,271 4492.34 0.01 26,763 3
5/22/2018 1,098,003 4492.33 -0.01 26,760 -3
5/23/2018 1,098,271 4492.34 0.01 26,763 3
5/24/2018 1,099,074 4492.37 0.03 26,773 10
5/25/2018 1,101,484 4492.46 0.09 26,800 27
5/26/2018 1,103,093 4492.52 0.06 26,814 14
5/27/2018 1,104,433 4492.57 0.05 26,820 6
5/28/2018 1,105,506 4492.61 0.04 26,824 4
5/29/2018 1,105,238 4492.60 -0.01 26,823 -1
5/30/2018 1,104,165 4492.56 -0.04 26,819 -4
5/31/2018 1,103,629 4492.54 -0.02 26,816 -3
6/1/2018 1,104,433 4492.57 0.03 26,820 4
6/2/2018 1,105,238 4492.60 0.03 26,823 3
6/3/2018 1,106,042 4492.63 0.03 26,826 3
6/4/2018 1,106,847 4492.66 0.03 26,830 4
6/5/2018 1,106,847 4492.66 0.00 26,830 0
6/6/2018 1,106,579 4492.65 -0.01 26,829 -1
6/7/2018 1,105,238 4492.60 -0.05 26,823 -6
6/8/2018 1,104,165 4492.56 -0.04 26,819 -4
6/9/2018 1,104,165 4492.56 0.00 26,819 0
6/10/2018 1,104,970 4492.59 0.03 26,822 3
6/11/2018 1,104,165 4492.56 -0.03 26,819 -3
6/12/2018 1,103,093 4492.52 -0.04 26,814 -5
6/13/2018 1,103,093 4492.52 0.00 26,814 0
6/14/2018 1,103,093 4492.52 0.00 26,814 0
6/15/2018 1,103,093 4492.52 0.00 26,814 0
6/16/2018 1,103,093 4492.52 0.00 26,814 0
6/17/2018 1,102,020 4492.48 -0.04 26,806 -8
6/18/2018 1,103,628 4492.54 0.06 26,816 10
6/19/2018 1,104,433 4492.57 0.03 26,820 4
6/20/2018 1,103,897 4492.55 -0.02 26,817 -3
6/21/2018 1,103,093 4492.52 -0.03 26,814 -3
6/22/2018 1,101,753 4492.47 -0.05 26,803 -11
6/23/2018 1,100,413 4492.42 -0.05 26,788 -15
6/24/2018 1,099,609 4492.39 -0.03 26,779 -9
6/25/2018 1,098,539 4492.35 -0.04 26,767 -12
6/26/2018 1,097,468 4492.31 -0.04 26,754 -13
6/27/2018 1,097,468 4492.31 0.00 26,754 0
6/28/2018 1,098,003 4492.33 0.02 26,760 6
6/29/2018 1,097,736 4492.32 -0.01 26,757 -3
6/30/2018 1,094,795 4492.21 -0.11 26,724 -33
7/1/2018 1,093,994 4492.18 -0.03 26,715 -9
7/2/2018 1,092,124 4492.11 -0.07 26,693 -22
7/3/2018 1,090,524 4492.05 -0.06 26,675 -18
7/4/2018 1,089,724 4492.02 -0.03 26,666 -9
7/5/2018 1,088,124 4491.96 -0.06 26,655 -11
7/6/2018 1,087,325 4491.93 -0.03 26,651 -4
7/7/2018 1,085,993 4491.88 -0.05 26,644 -7
7/8/2018 1,085,460 4491.86 -0.02 26,642 -2
7/9/2018 1,083,863 4491.80 -0.06 26,634 -8
7/10/2018 1,082,797 4491.76 -0.04 26,629 -5
7/11/2018 1,081,200 4491.70 -0.06 26,622 -7
7/12/2018 1,080,135 4491.66 -0.04 26,617 -5
7/13/2018 1,078,539 4491.60 -0.06 26,609 -8
7/14/2018 1,078,007 4491.58 -0.02 26,606 -3
7/15/2018 1,076,677 4491.53 -0.05 26,600 -6
7/16/2018 1,075,880 4491.50 -0.03 26,596 -4
7/17/2018 1,074,550 4491.45 -0.05 26,583 -13
7/18/2018 1,078,007 4491.58 0.13 26,606 23
7/19/2018 1,078,007 4491.58 0.00 26,606 0
7/20/2018 1,078,006 4491.58 0.00 26,606 0
7/21/2018 1,069,505 4491.26 -0.32 26,535 -71
7/22/2018 1,069,505 4491.26 0.00 26,535 0
7/23/2018 1,069,505 4491.26 0.00 26,535 0
7/24/2018 1,069,505 4491.26 0.00 26,535 0
7/25/2018 1,064,204 4491.06 -0.20 26,484 -51
7/26/2018 1,063,675 4491.04 -0.02 26,478 -6
7/27/2018 1,062,351 4490.99 -0.05 26,466 -12
7/28/2018 1,060,235 4490.91 -0.08 26,448 -18
7/29/2018 1,058,649 4490.85 -0.06 26,434 -14
7/30/2018 1,056,007 4490.75 -0.10 26,412 -22
7/31/2018 1,053,368 4490.65 -0.10 26,390 -22
8/1/2018 1,050,203 4490.53 -0.12 26,363 -27
8/2/2018 1,047,042 4490.41 -0.12 26,335 -28
8/3/2018 1,043,621 4490.28 -0.13 26,306 -29
8/4/2018 1,040,730 4490.17 -0.11 26,281 -25
8/5/2018 1,037,842 4490.06 -0.11 26,257 -24
8/6/2018 1,037,842 4490.06 0.00 26,257 0
8/7/2018 1,037,842 4490.06 0.00 26,257 0
8/8/2018 1,037,841 4490.06 0.00 26,257 0
8/9/2018 1,037,842 4490.06 0.00 26,257 0
8/10/2018 1,037,842 4490.06 0.00 26,257 0
8/11/2018 1,037,842 4490.06 0.00 26,257 0
8/12/2018 1,029,191 4489.73 -0.33 26,173 -84
8/13/2018 1,025,791 4489.60 -0.13 26,139 -34
8/14/2018 1,022,656 4489.48 -0.12 26,108 -31
8/15/2018 1,019,526 4489.36 -0.12 26,077 -31
8/16/2018 1,015,619 4489.21 -0.15 26,038 -39
8/17/2018 1,012,757 4489.10 -0.11 26,009 -29
8/18/2018 1,009,898 4488.99 -0.11 25,980 -29
8/19/2018 1,007,301 4488.89 -0.10 25,954 -26
8/20/2018 1,005,226 4488.81 -0.08 25,933 -21
8/21/2018 1,002,894 4488.72 -0.09 25,909 -24
8/22/2018 1,002,894 4488.72 0.00 25,909 0
8/23/2018 1,002,893 4488.72 0.00 25,909 0
8/24/2018 1,002,893 4488.72 0.00 25,909 0
8/25/2018 1,002,893 4488.72 0.00 25,909 0
8/26/2018 1,002,894 4488.72 0.00 25,909 0
8/27/2018 986,367 4488.08 -0.64 25,742 -167
8/28/2018 983,537 4487.97 -0.11 25,710 -32
8/29/2018 980,197 4487.84 -0.13 25,668 -42
8/30/2018 977,376 4487.73 -0.11 25,632 -36
8/31/2018 975,582 4487.66 -0.07 25,609 -23
9/1/2018 972,000 4487.52 -0.14 25,563 -46
9/2/2018 972,000 4487.52 0.00 25,563 0
9/3/2018 972,000 4487.52 0.00 25,563 0
9/4/2018 972,000 4487.52 0.00 25,563 0
9/5/2018 972,000 4487.52 0.00 25,563 0
9/6/2018 972,000 4487.52 0.00 25,563 0
9/7/2018 953,679 4486.80 -0.72 25,344 -219
9/8/2018 949,880 4486.65 -0.15 25,308 -36
9/9/2018 947,097 4486.54 -0.11 25,281 -27
9/10/2018 943,308 4486.39 -0.15 25,245 -36
9/11/2018 940,532 4486.28 -0.11 25,218 -27
9/12/2018 937,005 4486.14 -0.14 25,185 -33
9/13/2018 934,236 4486.03 -0.11 25,157 -28
9/14/2018 930,717 4485.89 -0.14 25,122 -35
9/15/2018 940,533 4486.28 0.39 25,218 96
9/16/2018 940,533 4486.28 0.00 25,218 0
9/17/2018 940,533 4486.28 0.00 25,218 0
9/18/2018 940,533 4486.28 0.00 25,218 0
9/19/2018 940,533 4486.28 0.00 25,218 0
9/20/2018 940,532 4486.28 0.00 25,218 0
9/21/2018 940,532 4486.28 0.00 25,218 0
9/22/2018 940,532 4486.28 0.00 25,218 0
9/23/2018 940,533 4486.28 0.00 25,218 0
9/24/2018 900,141 4484.67 -1.61 24,801 -417
9/25/2018 896,384 4484.51 -0.16 24,759 -42
9/26/2018 893,128 4484.38 -0.13 24,722 -37
9/27/2018 890,372 4484.27 -0.11 24,692 -30
9/28/2018 887,618 4484.16 -0.11 24,660 -32
9/29/2018 884,376 4484.03 -0.13 24,624 -36
9/30/2018 881,875 4483.93 -0.10 24,596 -28
10/1/2018 881,836 4483.92 -0.01 24,595 -1
10/2/2018 882,781 4483.96 0.04 24,606 11
10/3/2018 883,973 4484.01 0.05 24,619 13
10/4/2018 885,183 4484.06 0.05 24,633 14
10/5/2018 885,922 4484.09 0.03 24,641 8
10/6/2018 887,648 4484.16 0.07 24,661 20
10/7/2018 887,648 4484.16 0.00 24,661 0
10/8/2018 888,141 4484.18 0.02 24,666 5
10/9/2018 888,881 4484.21 0.03 24,675 9
10/10/2018 887,401 4484.15 -0.06 24,658 -17
10/11/2018 886,662 4484.12 -0.03 24,650 -8
10/12/2018 887,401 4484.15 0.03 24,658 8
10/13/2018 888,141 4484.18 0.03 24,666 8
10/14/2018 888,387 4484.19 0.01 24,669 3
10/15/2018 887,894 4484.17 -0.02 24,664 -5
10/16/2018 887,894 4484.17 0.00 24,664 0
10/17/2018 887,894 4484.17 0.00 24,664 0
10/18/2018 887,894 4484.17 0.00 24,664 0
10/19/2018 890,361 4484.27 0.10 24,692 28
10/20/2018 890,856 4484.29 0.02 24,697 5
10/21/2018 891,350 4484.31 0.02 24,703 6
10/22/2018 891,844 4484.33 0.02 24,708 5
10/23/2018 891,597 4484.32 -0.01 24,705 -3
10/24/2018 890,115 4484.26 -0.06 24,689 -16
10/25/2018 888,141 4484.18 -0.08 24,666 -23
10/26/2018 886,908 4484.13 -0.05 24,652 -14
10/27/2018 887,154 4484.14 0.01 24,655 3
10/28/2018 888,141 4484.18 0.04 24,666 11
10/29/2018 888,881 4484.21 0.03 24,675 9
10/30/2018 888,881 4484.21 0.00 24,675 0
10/31/2018 889,868 4484.25 0.04 24,686 11
11/1/2018 890,362 4484.27 0.02 24,692 6
11/2/2018 891,350 4484.31 0.04 24,703 11
11/3/2018 891,844 4484.33 0.02 24,708 5
11/4/2018 892,338 4484.35 0.02 24,713 5
11/5/2018 893,064 4484.38 0.03 24,721 8
11/6/2018 892,338 4484.35 -0.03 24,713 -8
11/7/2018 892,091 4484.34 -0.01 24,711 -2
11/8/2018 891,350 4484.31 -0.03 24,703 -8
11/9/2018 891,597 4484.32 0.01 24,705 2
11/10/2018 892,585 4484.36 0.04 24,716 11
11/11/2018 893,080 4484.38 0.02 24,722 6
11/12/2018 893,327 4484.39 0.01 24,724 2
11/13/2018 894,069 4484.42 0.03 24,733 9
11/14/2018 894,563 4484.44 0.02 24,738 5
11/15/2018 895,305 4484.47 0.03 24,747 9
11/16/2018 895,305 4484.47 0.00 24,747 0
11/17/2018 897,038 4484.54 0.07 24,766 19
11/18/2018 897,286 4484.55 0.01 24,769 3
11/19/2018 898,029 4484.58 0.03 24,777 8
11/20/2018 899,021 4484.62 0.04 24,788 11
11/21/2018 901,005 4484.70 0.08 24,810 22
11/22/2018 902,990 4484.78 0.08 24,832 22
11/23/2018 904,729 4484.85 0.07 24,852 20
11/24/2018 905,475 4484.88 0.03 24,860 8
11/25/2018 906,221 4484.91 0.03 24,869 9
11/26/2018 907,216 4484.95 0.04 24,880 11
11/27/2018 908,709 4485.01 0.06 24,896 16
11/28/2018 909,954 4485.06 0.05 24,909 13
11/29/2018 912,945 4485.18 0.12 24,940 31
11/30/2018 913,943 4485.22 0.04 24,950 10
12/1/2018 915,440 4485.28 0.06 24,966 16
12/2/2018 915,689 4485.29 0.01 24,968 2
12/3/2018 914,941 4485.26 -0.03 24,961 -7
12/4/2018 913,693 4485.21 -0.05 24,948 -13
12/5/2018 912,945 4485.18 -0.03 24,940 -8
12/6/2018 910,452 4485.08 -0.10 24,914 -26
12/7/2018 911,200 4485.11 0.03 24,922 8
12/8/2018 911,698 4485.13 0.02 24,927 5
12/9/2018 912,696 4485.17 0.04 24,937 10
12/10/2018 911,449 4485.12 -0.05 24,924 -13
12/11/2018 909,954 4485.06 -0.06 24,909 -15
12/12/2018 909,456 4485.04 -0.02 24,903 -6
12/13/2018 908,958 4485.02 -0.02 24,898 -5
12/14/2018 909,954 4485.06 0.04 24,909 11
12/15/2018 911,200 4485.11 0.05 24,922 13
12/16/2018 914,691 4485.25 0.14 24,958 36
12/17/2018 915,190 4485.27 0.02 24,963 5
12/18/2018 914,442 4485.24 -0.03 24,955 -8
12/19/2018 913,444 4485.20 -0.04 24,945 -10
12/20/2018 912,197 4485.15 -0.05 24,932 -13
12/21/2018 912,197 4485.15 0.00 24,932 0
12/22/2018 910,203 4485.07 -0.08 24,911 -21
12/23/2018 907,962 4484.98 -0.09 24,888 -23
12/24/2018 908,709 4485.01 0.03 24,896 8
12/25/2018 908,958 4485.02 0.01 24,898 2
12/26/2018 907,713 4484.97 -0.05 24,885 -13
12/27/2018 905,723 4484.89 -0.08 24,863 -22
12/28/2018 903,984 4484.82 -0.07 24,844 -19
12/29/2018 902,246 4484.75 -0.07 24,824 -20
12/30/2018 899,764 4484.65 -0.10 24,796 -28
12/31/2018 897,782 4484.57 -0.08 24,775 -21