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

01/01/12  

915,939 4485.30 -0.05 24,971 -12
01/02/12   914,941 4485.26 -0.04 24,961 -10
01/03/12  913,693 4485.21  -0.05 24,948 -13
01/04/12   912,446 4485.16 -0.05 24,935 -13
01/05/12   911,449 4485.12 -0.04 24,924 -11
01/06/12   910,453 4485.08 -0.04 24,914 -10
01/07/12   910,702 4485.09 0.01 24,916 2
01/08/12   910,951 4485.10 0.01 24,919 3
01/09/12   911,449 4485.12 0.02 24,924 5
01/10/12   911,449 4485.12 0.00 24,924 0
01/11/12   911,948 4485.14 0.02 24,929 5
01/12/12   912,446 4485.16 0.02 24,935 6
01/13/12   913,444 4485.20 0.04 24,945 10
01/14/12   914,192 4485.23 0.03 24,953 8
01/15/12   915,190 4485.27 0.04 24,963 10
01/16/12   915,689 4485.29 0.02 24,968 5
01/17/12   916,439 4485.32 0.03 24,976 8
01/18/12   917,188 4485.35 0.03 24,983 7
01/19/12    919,688 4485.45 0.10 25,009 26
01/20/12   924,444 4485.64 0.19 25,058 49
01/21/12   926,700 4485.73 0.09 25,081 23
01/22/12   929,963 4485.86 0.13 25,115 34
01/23/12   932,475 4485.96 0.10 25,140 25
01/24/12   933,733 4486.01 0.05 25,153 13
01/25/12   934,991 4486.06 0.05 25,165 12
01/26/12   934,487 4486.04 -0.02 25,160 -5
01/27/12  932,978 4485.98  -0.06 25,145 -15
01/28/12   933,984 4486.02 0.04 25,155 10
01/29/12   935,243 4486.07 0.05 25,168 13
01/30/12   936,501 4486.12 0.05 25,180 12
01/31/12   935,998 4486.10 -0.02 25,175 -5
02/01/12   937,005 4486.14 0.04 25,185 10
02/02/12   938,012 4486.18 0.04 25,194 9
02/03/12   938,768 4486.21 0.03 25,201 7
02/04/12   939,524 4486.24 0.03 25,209 8
02/05/12   940,410 4486.28 0.04 25,217 8
02/06/12   941,289 4486.31 0.03 25,225 8
02/07/12   941,289 4486.31 0.00 25,225 0
02/08/12   942,551 4486.36 0.05 25,237 12
02/09/12   943,056 4486.38 0.02 25,242 5
02/10/12   943,561 4486.40 0.02 25,247 5
02/11/12   944,066 4486.42 0.02 25,252 5
02/12/12   945,076 4486.46 0.04 25,261 9
02/13/12   945,834 4486.49 0.03 25,269 8
02/14/12   947,098 4486.54 0.05 25,281 12
02/15/12   947,603 4486.56 0.02 25,286 5
02/16/12   948,109 4486.58 0.02 25,291 5
02/17/12   949,121 4486.62 0.04 25,301 10
02/18/12   950,133 4486.66 0.04 25,310 9
02/19/12   950,893 4486.69 0.03 25,318 8
02/20/12   951,652 4486.72 0.03 25,325 7
02/21/12   952,665 4486.76 0.04 25,334 9
02/22/12   953,172 4486.78 0.02 25,339 5
02/23/12   953,172 4486.78 0.00 25,339 0
02/24/12    952,159 4486.74 -0.04 25,330 -9
02/25/12   952,159 4486.74 0.00 25,330 0
02/26/12   952,665 4486.76 0.02 25,334 4
02/27/12   953,679 4486.80 0.04 25,344 10
02/28/12   953,932 4486.81 0.01 25,346 2
02/29/12  956,721 4486.92 0.11 25,373 27
03/01/12   957,990 4486.97 0.05 25,385 12
03/02/12   958,752 4487.00 0.03 25,392 7
03/03/12   959,768 4487.04 0.04 25,405 13
03/04/12   960,785 4487.08 0.04 25,418 13
03/05/12   961,802 4487.12 0.04 25,432 14
03/06/12   963,073 4487.17 0.05 25,448 16
03/07/12   963,328 4487.18 0.01 25,451 3
03/08/12   964,092 4487.21 0.03 25,461 10
03/09/12   965,111 4487.25 0.04 25,475 14
03/10/12   966,385 4487.30 0.05 25,491 16
03/11/12   967,405 4487.34 0.04 25,504 13
03/12/12   968,425 4487.38 0.04 25,517 13
03/13/12   973,535 4487.58 0.20 25,582 65
03/14/12   976,863 4487.71 0.13 25,625 43
03/15/12   979,941 4487.83 0.12 25,665 40
03/16/12   987,139 4488.11 0.28 25,750 85
03/17/12   990,230 4488.23 0.12 25,781 31
03/18/12   992,552 4488.32 0.09 25,804 23
03/19/12   994,359 4488.39 0.07 25,822 18
03/20/12   996,167 4488.46 0.07 25,841 19
03/21/12   997,459 4488.51 0.05 25,855 14
03/22/12   999,011 4488.57 0.06 25,870 15
03/23/12   1,000,305 4488.62 0.05 25,883 13
03/24/12   1,001,081 4488.65 0.03 25,891 8
03/25/12   1,001,858 4488.68 0.03 25,899 8
03/26/12   1,002,894 4488.72 0.04 25,909 10
03/27/12   1,006,004 4488.84 0.12 25,941 32
03/28/12   1,008,599 4488.94 0.10 25,967 26
03/29/12   1,009,898 4488.99 0.05 25,980 13
03/30/12   1,011,717 4489.06 0.07 25,999 19
03/31/12   1,015,619 4489.21 0.15 26,038 39
04/01/12   1,017,181 4489.27 0.06 26,053 15
04/02/12   1,018,224 4489.31 0.04 26,064 11
04/03/12   1,019,788 4489.37 0.06 26,079 15
04/04/12   1,021,352 4489.43 0.06 26,095 16
04/05/12   1,022,657 4489.48 0.05 26,108 13
04/06/12   1,023,701 4489.52 0.04 26,118 10
04/07/12   1,024,223 4489.54 0.02 26,123 5
04/08/12   1,025,007 4489.57 0.03 26,131 8
04/09/12   1,026,052 4489.61 0.04 26,142 11
04/10/12   1,027,491 est 4489.66 0.05 26,156 14
04/11/12   1,028,929 4489.72 0.06 26,170 14
04/12/12   1,031,285 4489.81 0.09 26,194 24
04/13/12   1,034,693 4489.94 0.13 26,227 33
04/14/12   1,035,744 4489.98 0.04 26,238 11
04/15/12   1,036,793 4490.02 0.04 26,248 10
04/16/12   1,038,104 4490.07 0.05 26,259 11
04/17/12   1,039,154 4490.11 0.04 26,268 9
04/18/12   1,040,730 4490.17 0.06 26,281 13
04/19/12   1,042,044 4490.22 0.05 26,293 12
04/20/12   1,043,884 4490.29 0.07 26,309 16
04/21/12   1,045,726 4490.36 0.07 26,324 15
04/22/12   1,047,832 4490.44 0.08 26,342 18
04/23/12   1,049,940 4490.52 0.08 26,360 18
04/24/12   1,052,313 4490.61 0.09 26,380 20
04/25/12   1,056,271 4490.76 0.15 26,414 34
04/26/12   1,062,881 4491.01 0.25 26,471 57
04/27/12   1,066,324 4491.14 0.13 26,504 33
04/28/12   1,068,975 4491.24 0.10 26,529 25
04/29/12   1,071,629 4491.34 0.10 26,555 26
04/30/12   1,074,285 4491.44 0.10 26,580 25
05/01/12   1,076,943 4491.54 0.10 26,601 21
05/02/12   1,079,337 4491.63 0.09 26,613 12
05/03/12   1,081,999 4491.73 0.10 26,626 13
05/04/12   1,084,928 4491.84 0.11 26,639 13
05/05/12   1,087,325 4491.93 0.09 26,651 12
05/06/12   1,089,458 4492.01 0.08 26,663 12
05/07/12   1,091,591 4492.09 0.08 26,687 24
05/08/12   1,093,727 4492.17 0.16 26,712 49
05/09/12   1,095,330 4492.23 0.06 26,730 18
05/10/12   1,096,131 4492.26 0.03 26,739 9
05/11/12   1,096,399 4492.27 0.01 26,742 3
05/12/12   1,096,666 4492.28 0.01 26,745 3
05/13/12   1,097,468 4492.31 0.03 26,754 9
05/14/12   1,098,271 4492.34 0.03 26,763 9
05/15/12   1,099,342 4492.38 0.04 26,776 13
05/16/12   1,100,681 4492.43 0.05 26,791 15
05/17/12   1,101,485 4492.46 0.03 26,800 9
05/18/12 1,102,289  4492.49 0.03 26,809 9
05/19/12   1,102,825 4492.51 0.02 26,813 4
05/20/12   1,103,361 4492.53 0.02 26,815 2
05/21/12   1,103,629 4492.54 0.01 26,816 1
05/22/12   1,104,165 4492.56 0.02 26,819 3
05/23/12   1,104,433 4492.57 0.01 26,820 1
05/24/12   1,104,433 4492.57 0.00 26,820 0
05/25/12   1,104,702 4492.58 0.01 26,821 1
05/26/12   1,106,310 4492.64 0.06 26,827 6
05/27/12   1,107,652 4492.69 0.05 26,833 6
05/28/12   1,106,310 4492.64 -0.05 26,827 -6
05/29/12   1,109,530 4492.76 0.12 26,841 14
05/30/12   1,110,604 4492.80 0.04 26,846 5
05/31/12   1,111,946 4492.85 0.05 26,852 6
06/01/12   1,111,946 4492.85 0.00 26,852 0
06/02/12   1,112,482 4492.87 0.02 26,854 2
06/03/12   1,113,557 4492.91 0.04 26,858 4
06/04/12   1,114,362 4492.94 0.03 26,861 3
06/05/12   1,115,974 4493.00 0.06 26,868 7
06/06/12   1,116,243 4493.01 0.01 26,871 3
06/07/12   1,116,511 4493.02 0.01 26,874 3
06/08/12   1,115,168 4492.97 -0.05 26,865 -9
06/09/12   1,113,825 4492.92 -0.05 26,859 -6
06/10/12   1,112,751 4492.88 -0.04 26,855 -4
06/11/12   1,111,677 4492.84 -0.04 26,850 -5
06/12/12   1,110,872 4492.81 -0.03 26,847 -3
06/13/12   1,111,677 4492.84 0.03 26,850 3
06/14/12   1,112,482 4492.87 0.03 26,854 4
06/15/12   1,112,482 4492.87 0.00 26,854 0
06/16/12   1,112,482 4492.87 0.00 26,854 0
06/17/12   1,112,482 4492.87 0.00 26,854 0
06/18/12   1,111,409 4492.83 -0.04 26,849 -5
06/19/12   1,110,336 4492.79 -0.04 26,845 -4
06/20/12   1,108,725 4492.73 -0.06 26,838 -7
06/21/12   1,107,115 4492.67 -0.06 26,831 -7
06/22/12   1,104,970 4492.59 -0.08 26,822 -9
06/23/12   1,104,702 4492.58 -0.01 26,821 -1
06/24/12   1,103,093 4492.52 -0.06 26,814 -7
06/25/12   1,118,662 4493.10 0.58 26,899 85
06/26/12   1,100,949 4492.44 -0.66 26,794 -105
06/27/12   1,099,606 4492.39 -0.05 26,779 -15
06/28/12   1,098,003 4492.33 -0.06 26,760 -19
06/29/12   1,096,666 4492.28 -0.05 26,745 -15
06/30/12  1,095,597 4492.24  -0.04 26,733 -12
07/01/12   1,094,528 4492.20 -0.04 26,721 -12
07/02/12   1,093,460 4492.16 -0.04 26,709 -12
07/03/12   1,091,591 4492.09 -0.07 26,687 -22
07/04/12   1,090,257 4492.04 -0.05 26,672 -15
07/05/12   1,088,391 4491.97 -0.07 26,656 -16
07/06/12   1,086,260 4491.89 -0.08 26,646 -10
07/07/12   1,084,129 4491.81  -0.08 26,635 -11
07/08/12   1,082,265 4491.74 -0.07 26,627 -8
07/09/12   1,080,668 4491.68 -0.06 26,619 -8
07/10/12   1,078,805 4491.61 -0.07 26,610 -9
07/11/12   1,077,209 4491.55 -0.06 26,602 -8
07/12/12   1,075,614 4491.49 -0.06 26,593 -9
07/13/12   1,073,222 4491.40 -0.09 26,570 -23
07/14/12   1,070,832 4491.31 -0.09 26,547 -23
07/15/12   1,071,098 4491.32 0.01 26,550 3
07/16/12   1,071,098 4491.32 0.00 26,550 0
07/17/12   1,071,363 4491.33 0.01 26,552 2
07/18/12   1,071,894 4491.35 0.02 26,557 5
07/19/12   1,070,832 4491.31 -0.04 26,547 -10
07/20/12   1,068,975 4491.24 -0.07 26,529 -18
07/21/12   1,067,914 4491.20 -0.04 26,519 -10
07/22/12   1,066,854 4491.16 -0.04 26,509 -10
07/23/12   1,065,529 4491.11 -0.05 26,497 -12
07/24/12   1,063,675 4491.04 -0.07 26,478 -19
07/25/12   1,062,616 4491.00 -0.04 26,468 -10
07/26/12   1,060,500 4490.92 -0.08 26,450 -18
07/27/12   1,058,385 4490.84 -0.08 26,432 -18
07/28/12   1,056,800 4490.78 -0.06 26,419 -13
07/29/12   1,054,687 4490.70 -0.08 26,401 -18
07/30/12   1,053,368 4490.65 -0.05 26,390 -11
07/31/12   1,051,522 4490.58 -0.07 26,374 -16
08/01/12   1,050,203 4490.53 -0.05 26,363 -11
08/02/12   1,050,467 est 4490.54 0.01 26,365 2
08/03/12   1,050,731 4490.55 0.01 26,367 2
08/04/12   1,050,731 4490.55 0.00 26,367 0
08/05/12   1,051,258 4490.57 0.02 26,371 4
08/06/12   1,050,731 4490.55 -0.02 26,367 -4
08/07/12   1,050,467 4490.54 -0.01 26,365 -2
08/08/12   1,050,203 4490.53 -0.01 26,363 -2
08/09/12  1,049,940 4490.52  -0.01 26,360 -3
08/10/12   1,049,413 4490.50 -0.02 26,356 -4
08/11/12   1,049,413 4490.50 0.00 26,356 0
08/12/12   1,049,413 4490.50 0.00 26,356 0
08/13/12   1,049,149 4490.49 -0.01 26,354 -2
08/14/12   1,049,149 4490.49 0.00 26,354 0
08/15/12   1,048,886 4490.48 -0.01 26,351 -3
08/16/12   1,048,622 4490.47 -0.01 26,349 -2
08/17/12   1,048,359 4490.46 -0.01 26,347 -2
08/18/12   1,048,096 4490.45 -0.01 26,345 -2
08/19/12   1,047,832 4490.44 -0.01 26,342 -3
08/20/12   1,048,096 4490.45 0.01 26,345 3
08/21/12   1,048,096 4490.45 0.00 26,345 0
08/22/12   1,048,359 4490.46 0.01 26,347 2
08/23/12   1,048,622 4490.47 0.01 26,349 2
08/24/12   1,048,622 4490.47 0.00 26,349 0
08/25/12   1,048,886 4490.48 0.01 26,351 2
08/26/12   1,048,886 4490.48 0.00 26,351 0
08/27/12   1,048,886 4490.48 0.00 26,351 0
08/28/12   1,048,886 4490.48 0.00 26,351 0
08/29/12   1,049,413 4490.50 0.02 26,356 5
08/30/12   1,047,569 4490.43 -0.07 26,340 -16
08/31/12   1,046,252 4490.38 -0.05 26,329 -11
09/01/12   1,045,199 4490.34 -0.04 26,320 -9
09/02/12   1,044,673 4490.32 -0.02 26,315 -5
09/03/12   1,044,410 4490.31 -0.01 26,313 -2
09/04/12   1,043,884 4490.29 -0.02 26,309 -4
09/05/12   1,043,621 4490.28 -0.01 26,306 -3
09/06/12   1,043,358 4490.27 -0.01 26,304 -2
09/07/12   1,043,095 4490.26 -0.01 26,302 -2
09/08/12   1,042,044 4490.22 -0.04 26,293 -9
09/09/12   1,040,730 4490.17 -0.05 26,281 -12
09/10/12   1,039,154 4490.11 -0.06 26,268 -13
09/11/12   1,038,366 4490.08 -0.03 26,261 -7
09/12/12   1,038,629 4490.09 0.01 26,264 3
09/13/12   1,039,154 4490.11 0.02 26,268 4
09/14/12   1,039,416 4490.12 0.01 26,270 2
09/15/12   1,038,104 4490.07 -0.05 26,259 -11
09/16/12   1,037,055 4490.03 -0.04 26,250 -9
09/17/12   1,036,006 4489.99 -0.04 26,240 -10
09/18/12   1,034,693 4489.94 -0.05 26,227 -13
09/19/12   1,032,071 4489.84 -0.10 26,201 -26
09/20/12   1,030,761 4489.79 -0.05 26,188 -13
09/21/12   1,028,668 4489.71 -0.08 26,168 -20
09/22/12   1,026,314 4489.62 -0.09 26,144 -24
09/23/12  1,023,962 4489.53  -0.09 26,121 -23
09/24/12   1,022,135 4489.46 -0.07 26,103 -18
09/25/12   1,020,048 4489.38 -0.08 26,082 -21
09/26/12   1,018,224 4489.31 -0.07 26,064 -18
09/27/12   1,015,619 4489.21 -0.10 26,038 -26
09/28/12   1,013,537 4489.13 -0.08 26,017 -21
09/29/12   1,011,197 4489.04 -0.09 25,993 -24
09/30/12   1,009,119 4488.96 -0.08 25,973 -20
10/01/12   1,006,264 4488.85 -0.11 25,944 -29
10/02/12   1,003,412 4488.74 -0.11 25,914 -30
10/03/12   1,001,081 4488.65 -0.09 25,891 -23
10/04/12   1,001,599 4488.67 0.02 25,896 5
10/05/12   1,001,081 4488.65 -0.02 25,891 -5
10/06/12   998,494 4488.55 -0.10 25,865 -26
10/07/12   996,167 4488.46 -0.09 25,841 -24
10/08/12  993,842 4488.37 -0.09 25,817 -24
10/09/12  991,520  4488.28 -0.09 25,794 -23
10/10/12 989,199  4488.19 -0.09 25,770 -24
10/11/12   986,367 4488.08 -0.11 25,742 -28
10/12/12   983,794 4487.98 -0.10 25,714 -28
10/13/12   981,224 4487.88 -0.10 25,681 -33
10/14/12   979,428 4487.81 -0.07 25,658 -23
10/15/12   977,376 4487.73 -0.08 25,632 -26
10/16/12  974,815 4487.63 -0.10 25,599 -33
10/17/12  971,745 4487.51  -0.12 25,559 -40
10/18/12  971,745 4487.51 0.00 25,559 0
10/19/12  967,150 4487.33 -0.18 25,501 -58
10/20/12   965,111 4487.25 -0.08 25,475 -26
10/21/12   962,565 4487.15 -0.10 25,442 -33
10/22/12  962,819 4487.16 0.01 25,445 3
10/23/12   960,276 4487.06 -0.10 25,412 -33
10/24/12   958,752 4487.00 -0.06 25,392 -20
10/25/12   957,229 4486.94 -0.06 25,378 -14
10/26/12   954,439 4486.83 -0.11 25,351 -27
10/27/12   952,889 est 4486.77 -0.06 25,337 -14
10/28/12   951,339 4486.71 -0.06 25,322 -15
10/29/12   950,133 4486.66 -0.05 25,310 -12
10/30/12   948,109 4486.58 -0.08 25,291 -19
10/31/12   947,603 4486.56 -0.02 25,286 -5
11/01/12   946,087 4486.50 -0.06 25,271 -15
11/02/12   944,318 4486.43 -0.07 25,254 -17
11/03/12   943,308 4486.39 -0.04 25,245 -9
11/04/12   942,299 4486.35 -0.04 25,235 -10
11/05/12   940,533 4486.28 -0.07 25,218 -17
11/06/12   938,786 4486.21 -0.07 25,202 -16
11/07/12   937,005 4486.14 -0.07 25,185 -17
11/08/12   935,494 4486.08 -0.06 25,170 -15
11/09/12   934,739 4486.05 -0.03 25,162 -8
11/10/12   933,481 4486.00 -0.05 25,150 -12
11/11/12   933,733 4486.01 0.01 25,153 3
11/12/12   931,722 4485.93 -0.08 25,133 -20
11/13/12   929,210 4485.83 -0.10 25,107 -26
11/14/12   926,450 4485.72 -0.11 25,078 -29
11/15/12   923,692 4485.61 -0.11 25,050 -28
11/16/12   921,940 4485.54 -0.07 25,032 -18
11/17/12   924,193 4485.63 0.09 25,055 23
11/18/12   922,941 4485.58 -0.05 25,043 -12
11/19/12   921,940 4485.54 -0.04 25,032 -11
11/20/12   923,442 4485.60 0.06 25,048 16
11/21/12   923,192 4485.59 -0.01 25,045 -3
11/22/12   923,442 4485.60 0.01 25,048 3
11/23/12   921,439 4485.52 -0.08 25,027 -21
11/24/12   920,188 4485.47 -0.05 25,014 -13
11/25/12  918,688 4485.41 -0.06 24,999 -15
11/26/12   918,688 4485.41 0.00 24,999 0
11/27/12   917,438 4485.36 -0.05 24,986 -13
11/28/12   919,938 4485.46 0.10 25,012 26
11/29/12   921,940 4485.54 0.08 25,032 20
11/30/12   930,214 4485.87 0.33 25,117 85
12/01/12   936,250 4486.11 0.24 25,177 60
12/02/12   949,374 4486.63 0.52 25,303 126
12/03/12   953,172 4486.78 0.15 25,339 36
12/04/12   960,022 4487.05 0.27 25,408 69
12/05/12   966,895 4487.32 0.27 25,498 90
12/06/12   970,467 4487.46 0.14 25,543 45
12/07/12   971,233 4487.49 0.03 25,553 10
12/08/12   973,023 4487.56 0.07 25,576 23
12/09/12   974,559 4487.62 0.06 25,596 20
12/10/12   974,303 4487.61 -0.01 25,592 -4
12/11/12   973,791 4487.59 -0.02 25,586 -6
12/12/12   974,047 4487.60 0.01 25,589 3
12/13/12   973,279 4487.57 -0.03 25,579 -10
12/14/12   973,535 4487.58 0.01 25,582 3
12/15/12  974,047 4487.60  0.02 25,589 7
12/16/12   974,559 4487.62 0.02 25,596 7
12/17/12   975,583 4487.66 0.04 25,609 13
12/18/12   975,583 4487.66 0.00 25,609 0
12/19/12   975,327 4487.65 -0.01 25,606 -3
12/20/12   975,071 4487.64 -0.01 25,602 -4
12/21/12   979,941 4487.83 0.19 25,665 63
12/22/12   983,537 4487.97 0.14 25,710 45
12/23/12   988,169 4488.15 0.18 25,760 50
12/24/12   988,427 4488.16 0.01 25,763 3
12/25/12   989,715 4488.21 0.05 25,776 13
12/26/12   989,715 4488.21 0.00 25,776 0
12/27/12   987,397 4488.12 -0.09 25,752 -24
12/28/12   986,624 4488.09 -0.03 25,744 -8
12/29/12   985,595 4488.05 -0.04 25,734 -10
12/30/12   984,051 4487.99 -0.06 25,717 -17
12/31/12   981,224 4487.88 -0.11 25,681 -36

 
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