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

01/01/10    762,664 4478.95 0.06 23,320 17
01/02/10    763,363 4478.98 0.03 23,328 8
01/03/10    764,297 4479.02 0.04 23,340 12
01/04/10    765,230 4479.06 0.04 23,351 11
01/05/10    765,698 4479.08 0.02 23,356 5
01/06/10    766,632 4479.12 0.04 23,368 12
01/07/10    767,567 4479.16 0.04 23,379 11
01/08/10    768,736 4479.21 0.05 23,393 14
01/09/10    769,672 4479.25 0.04 23,404 11
01/10/10    770,374 4479.28 0.03 23,412 8
01/11/10    771,311 4479.32 0.04 23,424 12
01/12/10    776,001 4479.52 0.20 23,480 56
01/13/10    779,056 4479.65 0.13 23,516 36
01/14/10    780,461 4479.71 0.06 23,533 17
01/15/10    781,609 4479.76 0.05 23,546 13
01/16/10    782,769 4479.81 0.05 23,560 14
01/17/10    785,888 4479.94 0.13 23,597 37
01/18/10    790,140 4480.12 0.18 23,643 46
01/19/10    793,452 4480.26 0.32 23,676 79
01/20/10    797,716 4480.44 0.18 23,718 42
01/21/10    800,090 4480.54 0.10 23,742 24
01/22/10    800,802 4480.57 0.03 23,749 7
01/23/10    801,753 4480.61 0.04 23,758 9
01/24/10    803,179 4480.67 0.06 23,773 15
01/25/10    805,319 4480.76 0.09 23,794 21
01/26/10    806,509 4480.81 0.05 23,805 11
01/27/10    807,223 4480.84 0.03 23,813 8
01/28/10    808,176 4480.88 0.04 23,822 9
01/29/10    809,129 4480.92 0.04 23,832 10
01/30/10    810,320 4480.97 0.05 23,843 11
01/31/10    811,274 4481.01 0.04 23,852 9
02/01/10    812,229 4481.05 0.04 23,863 11
02/02/10    813,422 4481.10 0.05 23,875 12
02/03/10    814,377 4481.14 0.04 23,885 10
02/04/10    816,289 4481.22 0.08 23,904 19
02/05/10    817,963 4481.29 0.07 23,922 18
02/06/10    819,637 4481.36 0.07 23,938 16
02/07/10    820,356 4481.39 0.03 23,946 8
02/08/10    821,553 4481.44 0.05 23,958 12
02/09/10    822,751 4481.49 0.05 23,970 12
02/10/10    823,710 4481.53 0.04 23,979 9
02/11/10    824,430 4481.56 0.03 23,987 8
02/12/10    825,630 4481.61 0.05 23,999 12
02/13/10    826,590 4481.65 0.04 24,009 10
02/14/10    827,791 4481.70 0.05 24,021 12
02/15/10    828,752 4481.74 0.04 24,031 10
02/16/10    829,954 4481.79 0.05 24,044 13
02/17/10    830,915 4481.83 0.04 24,053 9
02/18/10    832,119 4481.88 0.05 24,065 12
02/19/10    833,322 4481.93 0.05 24,077 12
02/20/10    834,767 4481.99 0.06 24,092 15
02/21/10    836,454 4482.06 0.07 24,109 17
02/22/10    837,418 4482.10 0.04 24,119 10
02/23/10    838,790 4482.16 0.06 24,133 14
02/24/10    840,160 4482.21 0.05 24,147 14
02/25/10    841,522 4482.27 0.06 24,161 14
02/26/10    844,423 4482.39 0.12 24,191 30
02/27/10    845,633 4482.44 0.05 24,204 13
02/28/10    846,844 4482.49 0.05 24,217 13
03/01/10    848,055 4482.54 0.05 24,229 12
03/02/10    850,236 4482.63 0.09 24,251 22
03/03/10    852,420 4482.72 0.09 24,274 23
03/04/10    853,634 4482.77 0.05 24,286 12
03/05/10    854,700 4482.81 0.04 24,297 11
03/06/10    855,821 4482.86 0.05 24,309 12
03/07/10    856,793 4482.90 0.04 24,319 10
03/08/10    863,890  est 4482.99 0.09 24,340 21
03/09/10    858,983 4482.99 0.00 24,341 20
03/10/10    861,175 4483.08 0.09 24,365 24
03/11/10    863,000  est 4483.15 0.07 24,386 21
03/12/10    864,832 4483.23 0.08 24,406 20
03/13/10    862,149 4483.12 -0.11 24,376 -30
03/14/10    860,444 4483.05 -0.07 24,357 -19
03/15/10    861,662 4483.10 0.05 24,371 14
03/16/10    862,881 4483.15 0.05 24,385 14
03/17/10    863,612 4483.18 0.03 24,393 8
03/18/10    864,588 4483.22 0.04 24,403 10
03/19/10    865,564 4483.26 0.04 24,414 11
03/20/10    866,541 4483.30 0.04 24,425 11
03/21/10    867,763 4483.35 0.05 24,439 14
03/22/10    868,985 4483.40 0.05 24,453 14
03/23/10    869,719 4483.43 0.03 24,461 8
03/24/10    870,698 4483.47 0.04 24,472 11
03/25/10    872,901 4483.56 0.09 24,496 24
03/26/10    873,881 4483.60 0.04 24,507 11
03/27/10    874,861 4483.64 0.04 24,518 11
03/28/10    875,842 4483.68 0.04 24,529 11
03/29/10    877,560 4483.75 0.07 24,548 19
03/30/10    880,262 4483.86 0.11 24,578 30
03/31/10    882,229 4483.94 0.08 24,600 22
04/01/10    883,214 4483.98 0.04 24,611 11
04/02/10    885,183 4484.06 0.08 24,633 22
04/03/10    886,415 4484.11 0.05 24,647 14
04/04/10    888,634 4484.20 0.09 24,672 25
04/05/10    889,621 4484.24 0.04 24,683 11
04/06/10    890,609 4484.28 0.04 24,694 11
04/07/10    891,597 4484.32 0.04 24,705 11
04/08/10    892,832 4484.37 0.05 24,719 14
04/09/10    893,574 4484.40 0.03 24,727 8
04/10/10    894,811 4484.45 0.05 24,741 14
04/11/10    896,048 4484.50 0.05 24,755 14
04/12/10    897,782  est 4484.57 0.07 24,775 20
04/13/10    899,517 4484.64 0.07 24,794 19
04/14/10    900,757 4484.69 0.05 24,807 13
04/15/10    900,757 4484.69 0.00 24,807 0
04/16/10    902,990 4484.78 0.09 24,832 25
04/17/10    903,984 4484.82 0.04 24,844 12
04/18/10    905,226 4484.87 0.05 24,858 14
04/19/10    906,469 4484.92 0.05 24,871 13
04/20/10    909,456 4485.04 0.12 24,903 32
04/21/10    910,453 4485.08 0.04 24,914 11
04/22/10    911,699 4485.13 0.05 24,927 13
04/23/10    913,693 4485.21 0.08 24,948 21
04/24/10    915,440 4485.28 0.07 24,966 18
04/25/10    917,438 4485.36 0.08 24,986 20
04/26/10    919,188 4485.43 0.07 25,004 18
04/27/10    924,695 4485.65 0.22 25,061 57
04/28/10    928,708 4485.81 0.16 25,102 41
04/29/10    931,470 4485.92 0.11 25,130 28
04/30/10    933,481 4486.00 0.08 25,150 20
05/01/10    935,494 4486.08 0.08 25,170 20
05/02/10    937,508 4486.16 0.08 25,189 19
05/03/10    939,776 4486.25 0.09 25,211 22
05/04/10    942,299 4486.35 0.10 25,235 24
05/05/10    944,824 4486.45 0.10 25,259 24
05/06/10    947,098 4486.54 0.09 25,281 22
05/07/10    949,374 4486.63 0.09 25,303 22
05/08/10    951,906 4486.73 0.10 25,327 24
05/09/10    953,932 4486.81 0.08 25,346 19
05/10/10    958,244 4486.98 0.17 25,387 41
05/11/10    960,276 4487.06 0.08 25,412 25
05/12/10    962,310 4487.14 0.08 25,438 26
05/13/10    964,346 4487.22 0.08 25,465 27
05/14/10    966,640 4487.31 0.09 25,494 29
05/15/10    969,190 4487.41 0.10 25,527 33
05/16/10    972,000 4487.52 0.11 25,563 36
05/17/10    975,071 4487.64 0.12 25,602 39
05/18/10    977,889 4487.75 0.11 25,639 37
05/19/10    980,711 4487.86 0.11 25,675 36
05/20/10    984,051 4487.99 0.13 25,717 42
05/21/10    986,882 4488.10 0.11 25,747 30
05/22/10    989,457 4488.20 0.10 25,773 26
05/23/10    991,262 4488.27 0.07 25,791 18
05/24/10    993,327  est 4488.35 0.08 25,812 21
05/25/10    995,392 4488.43 0.08 25,833 21
05/26/10    997,718 4488.52 0.09 25,857 24
05/27/10    1,000,563 4488.63 0.11 25,886 29
05/28/10    1,002,376 4488.70 0.07 25,904 18
05/29/10    1,004,449 4488.78 0.08 25,925 21
05/30/10    1,006,523 4488.86 0.08 25,946 21
05/31/10    1,009,119 4488.96 0.10 25,973 27
06/01/10    1,011,457 4489.05 0.09 25,996 23
06/02/10    1,014,058 4489.15 0.10 26,022 26
06/03/10    1,017,702 4489.29 0.14 26,058 36
06/04/10    1,022,135 4489.46 0.17 26,103 45
06/05/10    1,026,314 4489.62 0.16 26,144 41
06/06/10    1,030,238 4489.77 0.15 26,183 39
06/07/10    1,034,430 4489.93 0.16 26,225 42
06/08/10    1,038,104 4490.07 0.14 26,259 34
06/09/10    1,041,518 4490.20 0.13 26,288 29
06/10/10    1,043,621 4490.28 0.08 26,306 18
06/11/10    1,047,306 4490.42 0.14 26,338 32
06/12/10    1,048,359 4490.46 0.04 26,347 9
06/13/10    1,050,203 4490.53 0.07 26,363 16
06/14/10    1,050,203 4490.53 0.00 26,363 0
06/15/10    1,053,368 4490.65 0.12 26,390 27
06/16/10    1,053,895 4490.67 0.02 26,394 4
06/17/10    1,055,215 4490.72 0.05 26,405 11
06/18/10    1,056,007 4490.75 0.03 26,412 7
06/19/10    1,056,535 4490.77 0.02 26,416 4
06/20/10    1,057,064 4490.79 0.02 26,421 5
06/21/10    1,057,064 4490.79 0.00 26,421 0
06/22/10    1,057,328 4490.80 0.01 26,423 2
06/23/10    1,058,121 4490.83 0.03 26,430 7
06/24/10    1,059,707 4490.89 0.06 26,444 14
06/25/10    1,061,029 4490.94 0.05 26,455 11
06/26/10    1,062,616 4491.00 0.06 26,468 13
06/27/10    1,063,145 4491.02 0.02 26,473 5
06/28/10    1,063,145 4491.02 0.00 26,473 0
06/29/10    1,062,881 4491.01 -0.01 26,471 -2
06/30/10    1,062,881 4491.01 0.00 26,471 0
07/01/10    1,062,881 4491.01 0.00 26,471 0
07/02/10    1,062,087 4490.98 -0.03 26,464 -7
07/03/10     1,060,500 4490.92 -0.06 26,450 -14
07/04/10    1,059,442 4490.88 -0.04 26,441 -9
07/05/10   1,057,856 4490.82 -0.10 26,428 -22
07/06/10    1,057,064 4490.79 -0.03 26,421 -7
07/07/10    1,055,479 4490.73 -0.06 26,408 -13
07/08/10    1,054,423 4490.69 -0.04 26,399 -9
07/09/10    1,052,840 4490.63 -0.06 26,385 -14
07/10/10    1,051,785 4490.59 -0.04 26,376 -9
07/11/10    1,050,467 4490.54 -0.05 26,365 -11
07/12/10    1,048,622 4490.47 -0.07 26,349 -16
07/13/10    1,046,252 4490.38 -0.09 26,329 -20
07/14/10    1,044,147 4490.30 -0.08 26,311 -18
07/15/10    1,041,781 4490.21 -0.09 26,290 -21
07/16/10    1,039,941 4490.14 -0.07 26,275 -15
07/17/10    1,038,366 4490.08 -0.06 26,261 -14
07/18/10    1,036,793 4490.02 -0.06 26,248 -13
07/19/10    1,035,744 4489.98 -0.04 26,238 -10
07/20/10    1,034,168 4489.92 -0.06 26,222 -16
07/21/10   1,033,119 4489.88 -0.04 26,212 -10
07/22/10    1,031,809 4489.83 -0.05 26,199 -13
07/23/10    1,030,238 4489.77 -0.06 26,183 -16
07/24/10    1,029,191 4489.73 -0.04 26,173 -10
07/25/10    1,028,144 4489.69 -0.04 26,162 -11
07/26/10    1,026,575 4489.63 -0.06 26,147 -15
07/27/10    1,025,007 4489.57 -0.06 26,131 -16
07/28/10    1,023,440 4489.51 -0.06 26,116 -15
07/29/10    1,022,135 4489.46 -0.05 26,103 -13
07/30/10    1,020,048 4489.38 -0.08 26,082 -21
07/31/10    1,018,224 4489.31 -0.07 26,064 -18
08/01/10    1,016,400 4489.24 -0.07 26,045 -19
08/02/10    1,013,797 4489.14 -0.10 26,019 -26
08/03/10    1,011,197 4489.04 -0.10 25,993 -26
08/04/10    1,008,859 4488.95 -0.09 25,970 -23
08/05/10    1,006,004 4488.84 -0.11 25,941 -29
08/06/10    1,003,930 4488.76 -0.08 25,920 -21
08/07/10    1,002,376 4488.70 -0.06 25,904 -16
08/08/10    1,000,822 4488.64 -0.06 25,888 -16
08/09/10    998,235 4488.54 -0.10 25,862 -26
08/10/10    995,392 4488.43 -0.11 25,833 -29
08/11/10    992,552 4488.32 -0.11 25,804 -29
08/12/10    990,230 4488.23 -0.09 25,781 -23
08/13/10    987,397 4488.12 -0.11 25,752 -29
08/14/10    985,595 4488.05 -0.07 25,734 -18
08/15/10    983,794 4487.98 -0.07 25,714 -20
08/16/10    982,252 4487.92 -0.06 25,694 -20
08/17/10    979,428 4487.81 -0.11 25,658 -36
08/18/10    977,889 4487.75 -0.06 25,639 -19
08/19/10    975,071 4487.64 -0.11 25,602 -37
08/20/10    972,768 4487.55 -0.09 25,573 -29
08/21/10    969,701 4487.43 -0.12 25,534 -39
08/22/10    966,640 4487.31 -0.12 25,494 -40
08/23/10    964,092 4487.21 -0.10 25,461 -33
08/24/10    961,547 4487.11 -0.10 25,428 -33
08/25/10    958,752 4487.00 -0.11 25,392 -36
08/26/10    955,960 4486.89 -0.11 25,366 -26
08/27/10    953,172 4486.78 -0.11 25,339 -27
08/28/10    951,652 4486.72 -0.06 25,325 -14
08/29/10    949,880 4486.65 -0.07 25,308 -17
08/30/10    947,351 4486.55 -0.10 25,284 -24
08/31/10    945,076 4486.46 -0.09 25,261 -23
09/01/10    943,056 4486.38 -0.08 25,242 -19
09/02/10    940,785 4486.29 -0.09 25,221 -21
09/03/10    938,012 4486.18 -0.11 25,194 -27
09/04/10    936,753 4486.13 -0.05 25,182 -12
09/05/10    934,991 4486.06 -0.07 25,165 -17
09/06/10    932,978 4485.98 -0.08 25,145 -20
09/07/10    930,214 4485.87 -0.11 25,117 -28
09/08/10    927,955 4485.78 -0.09 25,094 -23
09/09/10    925,196 4485.67 -0.11 25,065 -29
09/10/10    922,941 4485.58 -0.09 25,043 -22
09/11/10    922,941 4485.58 0.00 25,043 0
09/12/10    923,442 4485.60 0.02 25,048 5
09/13/10    923,692 4485.61 0.01 25,050 2
09/14/10    923,442 4485.60 -0.01 25,048 -2
09/15/10    922,190 4485.55 -0.05 25,035 -13
09/16/10    919,938 4485.46 -0.09 25,012 -23
09/17/10     916,938 4485.34 -0.12 24,981 -31
09/18/10    914,691 4485.25 -0.09 24,958 -23
09/19/10    911,948 4485.14 -0.11 24,929 -29
09/20/10    909,705 4485.05 -0.09 24,906 -23
09/21/10    907,962 4484.98 -0.07 24,888 -18
09/22/10    905,226 4484.87 -0.11 24,858 -30
09/23/10    903,239 4484.79 -0.08 24,835 -23
09/24/10    900,757 4484.69 -0.10 24,807 -28
09/25/10    898,277 4484.59 -0.10 24,780 -27
09/26/10    896,296 4484.51 -0.08 24,758 -22
09/27/10    894,069 4484.42 -0.09 24,733 -25
09/28/10    891,350 4484.31 -0.11 24,703 -30
09/29/10    889,374 4484.23 -0.08 24,680 -23
09/30/10    886,908 4484.13 -0.10 24,652 -28
10/01/10    885,676 4484.08 -0.05 24,638 -14
10/02/10    883,214 4483.98 -0.10 24,611 -27
10/03/10    881,737 4483.92 -0.06 24,594 -17
10/04/10    881,491 4483.91 -0.01 24,592 -2
10/05/10    879,525 4483.83 -0.08 24,570 -22
10/06/10    879,034 4483.81 -0.02 24,565 -5
10/07/10    877,315 4483.74 -0.07 24,546 -19
10/08/10    874,616 4483.63 -0.11 24,515 -31
10/09/10    872,166 4483.53 -0.10 24,488 -27
10/10/10    870,208 4483.45 -0.08 24,466 -22
10/11/10    867,274 4483.33 -0.12 24,433 -33
10/12/10    864,588 4483.22 -0.11 24,403 -30
10/13/10    862,149 4483.12 -0.10 24,376 -27
10/14/10    861,175 4483.08 -0.04 24,365 -11
10/15/10    858,983 4482.99 -0.09 24,341 -24
10/16/10    859,469 4483.01 0.02 24,346 5
10/17/10    857,279 4482.92 -0.09 24,324 -22
10/18/10    854,849 4482.82 -0.10 24,299 -25
10/19/10    854,120 4482.79 -0.03 24,291 -8
10/20/10    854,120 4482.79 0.00 24,291 0
10/21/10    851,450 4482.68 -0.11 24,264 -27
10/22/10    849,024 4482.58 -0.10 24,239 -25
10/23/10    847,570 4482.52 -0.06 24,224 -15
10/24/10    851,207 4482.67 0.15 24,261 37
10/25/10    852,420 4482.72 0.05 24,274 13
10/26/10    852,663 4482.73 0.01 24,276 2
10/27/10    852,420 4482.72 -0.01 24,274 -2
10/28/10    853,391 4482.76 0.04 24,284 10
10/29/10    854,120 4482.79 0.03 24,291 7
10/30/10    854,120 4482.79 0.00 24,291 0
10/31/10    853,149 4482.75 -0.04 24,282 -9
11/01/10    851,692 4482.69 -0.06 24,266 -16
11/02/10    850,772 4482.65 -0.04 24,257 -9
11/03/10    849,751 4482.61 -0.04 24,246 -11
11/04/10    848,055 4482.54 -0.07 24,229 -17
11/05/10    846,602 4482.48 -0.06 24,214 -15
11/06/10    845,633 4482.44 -0.04 24,204 -10
11/07/10    847,086 4482.50 0.06 24,219 15
11/08/10    845,875 4482.45 -0.05 24,206 -13
11/09/10    844,665 4482.40 -0.05 24,194 -12
11/10/10    845,875 4482.45 0.05 24,206 12
11/11/10    844,665 4482.40 -0.05 24,194 -12
11/12/10    843,456 4482.35 -0.05 24,182 -12
11/13/10    842,247 4482.30 -0.05 24,169 -13
11/14/10    841,039 4482.25 -0.05 24,156 -13
11/15/10    840,073 4482.21 -0.04 24,146 -10
11/16/10    838,866 4482.16 -0.05 24,134 -12
11/17/10    838,625 4482.15 -0.01 24,132 -2
11/18/10    838,625 4482.15 0.00 24,132 0
11/19/10    836,936 4482.08 -0.07 24,114 -18
11/20/10    837,418 4482.10 0.02 24,119 5
11/21/10    836,936 4482.08 -0.02 24,114 -5
11/22/10    835,731 4482.03 -0.05 24,102 -12
11/23/10    835,249 4482.01 -0.02 24,097 -5
11/24/10    834,285 4481.97 -0.04 24,087 -10
11/25/10    832,841 4481.91 -0.06 24,072 -15
11/26/10    831,397 4481.85 -0.06 24,058 -14
11/27/10    830,915 4481.83 -0.02 24,053 -5
11/28/10    829,473 4481.77 -0.06 24,038 -15
11/29/10    828,512 4481.73 -0.04 24,029 -9
11/30/10    828,031 4481.71 -0.02 24,023 -6
12/01/10    828,031 4481.71 0.00 24,023 0
12/02/10    828,031 4481.71 0.00 24,023 0
12/03/10    827,791 4481.70 -0.01 24,021 -2
12/04/10    828,752 4481.74 0.04 24,031 10
12/05/10    830,915 4481.83 0.09 24,053 22
12/06/10    832,119 4481.88 0.05 24,065 12
12/07/10    832,359 4481.89 0.01 24,068 3
12/08/10    833,081 4481.92 0.03 24,075 7
12/09/10    834,526 4481.98 0.06 24,089 14
12/10/10    835,972 4482.04 0.06 24,104 15
12/11/10    836,454 4482.06 0.02 24,109 5
12/12/10    836,936 4482.08 0.02 24,114 5
12/13/10    835,490 4482.02 -0.06 24,099 -15
12/14/10    837,659 4482.11 0.09 24,121 22
12/15/10    836,454 4482.06 -0.05 24,109 -12
12/16/10    838,866 4482.16 0.10 24,134 25
12/17/10    842,005 4482.29 0.13 24,166 32
12/18/10    845,391 4482.43 0.27 24,201 67
12/19/10    849,994 4482.62 0.19 24,249 48
12/20/10    853,877 4482.78 0.16 24,289 40
12/21/10    855,821 4482.86 0.08 24,309 20
12/22/10    858,252 4482.96 0.10 24,333 24
12/23/10    859,713 4483.02 0.06 24,349 16
12/24/10    861,175 4483.08 0.06 24,365 16
12/25/10    863,368 4483.17 0.09 24,390 25
12/26/10    865,076 4483.24 0.07 24,409 19
12/27/10    864,588 4483.22 -0.02 24,403 -6
12/28/10    864,588 4483.22 0.00 24,403 0
12/29/10    865,320 4483.25 0.03 24,411 8
12/30/10    865,076 4483.24 -0.01 24,409 -2
12/31/10    864,344 4483.21 -0.03 24,401 -8