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By Year
| Year |
Usage in Gallons |
Usage in Acre feet |
| 2023 |
514,780,000 |
1,580 |
| 2022 |
571,233,000 |
1,753 |
| 2021 |
544,920,000 |
1,672 |
| 2020 |
595,590,000 |
1,828 |
| 2019 |
570,031,000 |
1,749 |
| 2018 |
558,287,000 |
1,713 |
| 2017 |
503,499,000 |
1,545 |
| 2016 |
531,958,000 |
1,633 |
| 2015 |
522,732,000 |
1,604 |
| 2014 |
525,787,000 |
1,614 |
| 2013 |
498,228,000 |
1,529 |
| 2012 |
598,960,000 |
1,838 |
| 2011 |
537,792,000 |
1,650 |
| 2010 |
562,681,000 |
1,727 |
| 2009 |
527,006,000 |
1,617 |
| 2008 |
616,854,000 |
1,893 |
| 2007 |
608,719,000 |
1,868 |
| 2006 |
665,231,000 |
2,042 |
| 2005 |
642,236,000 |
1,971 |
| 2004 |
595,130,000 |
1,826 |
| 2003 |
634,192,000 |
1,946 |
| 2002 |
766,610,000 |
2,353 |
| 2001 |
747,911,000 |
2,295 |
| 2000 |
796,885,000 |
2,446 |
| 1999 |
729,237,000 |
2,238 |
| 1998 |
752,701,000 |
2,310 |
| 1997 |
714,063,000 |
2,191 |
| 1996 |
746,889,000 |
2,292 |
| 1995 |
656,145,000 |
2,014 |
| 1994 |
740,668,000 |
2,273 |
| 1993 |
674,975,000 |
2,071 |
| 1992 |
652,712,000 |
2,003 |
| 1991 |
614,633,000 |
1,886 |
By Month on a 10-year average
| Months |
Usage in Gallons |
| January |
31,723,000 |
| February |
32,997,000 |
| March |
30,023,000 |
| April |
32,066,000 |
| May |
34,280,000 |
| June |
48,793,000 |
| July |
61,485,000 |
| August |
68,254,000 |
| September |
68,897,000 |
| October |
55,334,000 |
| November |
40,974,000 |
| December |
34,490,000 |