California: area affected by drought 2023

On the first week of 2023, over 27 percent of California's area was affected by extreme drought conditions (D3). Nevertheless, by the last week of the year, the state's area not affected by droughts had increased to some 96.7 percent, with the remaining 3.7 percent only affected by moderate drought conditions (D1). On average, the percent area of the continental United States affected by severe to exceptional drought in 2023 was roughly 16 percent. Possible impacts of exceptional droughts (D4) include shortages of water in reservoirs, streams, and other water sources, resulting in water emergencies, in addition to possible substantial crop and pasture losses.

Weekly share of area affected by drought in California from 2021 to 2023, by category

Characteristic	None	D0	D1	D2	D3	D4
12/26/2023	96.7%	3.4%	0%	0%	0%	0%
12/19/2023	96.3%	3.7%	0%	0%	0%	0%
12/12/2023	96.3%	3.7%	0%	0%	0%	0%
12/5/2023	96.3%	3.7%	0%	0%	0%	0%
11/28/2023	95.3%	4.7%	0%	0%	0%	0%
11/21/2023	95.3%	4.7%	0%	0%	0%	0%
11/14/2023	95.3%	4.7%	0%	0%	0%	0%
11/7/2023	94%	6%	0%	0%	0%	0%
10/31/2023	94.3%	5.7%	0%	0%	0%	0%
10/24/2023	94.3%	5.7%	0%	0%	0%	0%
10/17/2023	94.3%	5.7%	0%	0%	0%	0%
10/10/2023	94%	6%	0.1%	0%	0%	0%
10/3/2023	94%	5.9%	0.1%	0%	0%	0%
9/26/2023	94%	5.9%	0.1%	0%	0%	0%
9/19/2023	93.5%	6.2%	0.2%	0%	0%	0%
9/12/2023	93.5%	6.2%	0.2%	0%	0%	0%
9/5/2023	93.5%	6.3%	0.2%	0%	0%	0%
8/29/2023	93.4%	5.3%	1.4%	0%	0%	0%
8/22/2023	93.3%	5.3%	1.4%	0%	0%	0%
8/15/2023	74.6%	18.2%	7.3%	0%	0%	0%
8/8/2023	74.6%	18.2%	7.3%	0%	0%	0%
8/1/2023	74.4%	19.1%	6.5%	0%	0%	0%
7/25/2023	74.4%	19.3%	6.3%	0%	0%	0%
7/18/2023	74.5%	19.3%	6.3%	0%	0%	0%
7/11/2023	72%	21.8%	6.3%	0%	0%	0%
7/4/2023	72%	23.4%	4.6%	0%	0%	0%
6/27/2023	71.9%	23.5%	4.6%	0%	0%	0%
6/20/2023	72.3%	23.1%	4.6%	0%	0%	0%
6/13/2023	72.3%	23.1%	4.6%	0%	0%	0%
6/6/2023	70.9%	24.5%	4.6%	0%	0%	0%
5/30/2023	70.9%	24.5%	4.6%	0%	0%	0%
5/23/2023	70.9%	24.5%	4.6%	0%	0%	0%
5/16/2023	68%	26%	6%	0%	0%	0%
5/9/2023	68%	26%	6%	0%	0%	0%
5/2/2023	68%	24%	8%	0%	0%	0%
4/25/2023	68%	24%	8%	0%	0%	0%
4/18/2023	65.7%	25.6%	8.8%	0%	0%	0%
4/11/2023	65.7%	25.6%	8.8%	0%	0%	0%
4/4/2023	56.2%	19%	24%	0.8%	0%	0%
3/28/2023	55.3%	16.6%	26.2%	2%	0%	0%
3/21/2023	48.5%	15.6%	27.4%	8.5%	0%	0%
3/14/2023	44.7%	18.9%	27.9%	8.5%	0%	0%
3/7/2023	26.8%	30.1%	24.1%	19%	0%	0%
2/28/2023	16.7%	34.2%	24.2%	25%	0%	0%
2/21/2023	0.6%	14.8%	52%	32.6%	0%	0%
2/14/2023	0.6%	14.8%	52%	32.6%	0%	0%
2/7/2023	0.6%	14.8%	52%	32.6%	0%	0%
1/31/2023	0.6%	9.8%	57%	32.6%	0%	0%
1/24/2023	0.6%	9.8%	57%	32.6%	0%	0%
1/17/2023	0.6%	7.2%	49.3%	42.8%	0%	0%
1/10/2023	0%	4.6%	49.4%	45.7%	0.3%	0%
1/3/2023	0%	2.1%	26.8%	44%	27.1%	0%
12/27/2022	0%	2.1%	17.4%	45.1%	28.3%	7.2%
12/20/2022	0%	2.1%	17.4%	45.1%	28.3%	7.2%
12/13/2022	0%	2.1%	17.4%	45.1%	28.3%	7.2%
12/6/2022	0%	0.5%	14.5%	44.9%	27.4%	12.7%
11/29/2022	0%	0.5%	14.5%	44.1%	28.2%	12.7%
11/22/2022	0%	0.5%	14.5%	44.1%	28.2%	12.7%
11/15/2022	0%	0.5%	14.5%	44.1%	28.2%	12.7%
11/8/2022	0%	0.5%	11.4%	46.7%	24.8%	16.6%
11/1/2022	0%	0.2%	7.9%	48.8%	26.5%	16.6%
10/25/2022	0%	0.2%	7.9%	48.8%	26.5%	16.6%
10/18/2022	0%	0.2%	7.9%	50.9%	24.3%	16.6%
10/11/2022	0%	0.2%	5.8%	53.1%	24.3%	16.6%
10/4/2022	0%	0.2%	5.8%	53.1%	24.3%	16.6%
9/27/2022	0%	0.2%	5.8%	53.1%	24.3%	16.6%
9/20/2022	0%	0.2%	5.7%	53.2%	24.3%	16.6%
9/13/2022	0%	0.2%	5.7%	53.2%	24.3%	16.6%
9/6/2022	0%	0.2%	2.2%	57.4%	23.6%	16.6%
8/30/2022	0%	0.2%	2.2%	57.4%	23.6%	16.6%
8/23/2022	0%	0.2%	2.2%	54.4%	26.6%	16.6%
8/16/2022	0%	0.2%	2.2%	54.4%	26.6%	16.6%
8/9/2022	0%	0.2%	2.3%	51.7%	29.3%	16.5%
8/2/2022	0%	0.2%	2.3%	37.7%	47.7%	12.1%
7/26/2022	0%	0.2%	2.3%	37.7%	47.1%	12.7%
7/19/2022	0%	0.2%	2.3%	37.7%	47.1%	12.7%
7/12/2022	0%	0.2%	2.3%	37.7%	47.1%	12.7%
7/5/2022	0%	0.2%	2.3%	37.7%	48.2%	11.6%
6/28/2022	0%	0.2%	2.3%	37.7%	48.2%	11.6%
6/21/2022	0%	0.2%	2.3%	37.7%	48.2%	11.6%
6/14/2022	0%	0.2%	2.3%	37.7%	48.2%	11.6%
6/7/2022	0%	0.2%	2.3%	37.7%	48.2%	11.6%
5/31/2022	0%	0.1%	2.3%	37.8%	48.2%	11.6%
5/24/2022	0%	0.1%	2.3%	37.8%	48.2%	11.6%
5/17/2022	0%	0.1%	4.7%	35.3%	59.6%	0.2%
5/10/2022	0%	0.1%	4.7%	35.3%	59.8%	0%
5/3/2022	0%	0%	4.8%	54.7%	40.5%	0%
4/26/2022	0%	0%	4.8%	54.6%	40.6%	0%
4/19/2022	0%	0%	4.8%	54.4%	40.8%	0%
4/12/2022	0%	0%	4.3%	48.9%	46.9%	0%
4/5/2022	0%	0%	6.4%	53%	40.7%	0%
3/29/2022	0%	0%	6.4%	53.4%	40.3%	0%
3/22/2022	0%	0%	6.4%	56%	37.7%	0%
3/15/2022	0%	0%	6.8%	58%	35.2%	0%
3/8/2022	0%	0%	13%	74.2%	12.8%	0%
3/1/2022	0%	0%	13%	74.2%	12.8%	0%
2/22/2022	0%	0%	31.2%	62.1%	6.7%	0%
2/15/2022	0%	0.4%	33.2%	65%	1.4%	0%
2/8/2022	0%	0.8%	32.8%	65%	1.4%	0%
2/1/2022	0%	0.8%	32.9%	65%	1.4%	0%
1/25/2022	0%	0.8%	32.9%	65%	1.4%	0%
1/18/2022	0%	0.8%	32.9%	65%	1.4%	0%
1/11/2022	0%	0.8%	32.9%	65%	1.4%	0%
1/4/2022	0%	0.7%	31.7%	51%	15.8%	0.8%
12/28/2021	0%	0%	13.7%	53.4%	32.1%	0.8%
12/21/2021	0%	0%	7.6%	13%	56.3%	23.1%
12/14/2021	0%	0%	7.6%	12.2%	52%	28.3%
12/7/2021	0%	0%	7.6%	12.2%	52%	28.3%
11/30/2021	0%	0%	7.6%	12.2%	52%	28.3%
11/23/2021	0%	0%	7.6%	12.2%	52%	28.3%
11/16/2021	0%	0%	7.6%	12.2%	42.7%	37.6%
11/9/2021	0%	0%	7.6%	12.2%	42.7%	37.6%
11/2/2021	0%	0%	6.2%	10.5%	44.6%	38.7%
10/26/2021	0%	0%	6.2%	10.5%	44.6%	38.7%
10/19/2021	0%	0%	6.2%	6.6%	41.5%	45.7%
10/12/2021	0%	0%	6.1%	6.8%	41.5%	45.7%
10/5/2021	0%	0%	6.1%	6.1%	42.2%	45.7%
9/28/2021	0%	0%	6.1%	6.1%	42.2%	45.7%
9/21/2021	0%	0%	6.1%	6.1%	42.2%	45.7%
9/14/2021	0%	0%	6.1%	6%	42.3%	45.7%
9/7/2021	0%	0%	6.1%	6%	42.3%	45.7%
8/31/2021	0%	0%	4.4%	7.2%	41%	47.4%
8/24/2021	0%	0%	4.4%	7.2%	41%	47.4%
8/17/2021	0%	0%	4.4%	7.2%	39.4%	49%
8/10/2021	0%	0%	4.9%	6.7%	41.3%	47.1%
8/3/2021	0%	0%	4.9%	6.7%	41.9%	46.5%
7/27/2021	0%	0%	4.9%	6.5%	42.1%	46.5%
7/20/2021	0%	0%	5.3%	9%	52.3%	33.4%
7/13/2021	0%	0%	5.3%	9%	52.4%	33.3%
7/6/2021	0%	0%	5.3%	9.3%	52.1%	33.3%
6/29/2021	0%	0%	5.3%	9.3%	52.1%	33.3%
6/22/2021	0%	0%	5.3%	9.3%	52.1%	33.3%
6/15/2021	0%	0%	5.3%	9.3%	52.1%	33.3%
6/8/2021	0%	0%	5.3%	9.6%	51.9%	33.3%
6/1/2021	0%	0%	5.4%	20.2%	48.4%	26%
5/25/2021	0%	0%	5.4%	20.2%	48.4%	26%
5/18/2021	0%	0%	5.7%	21%	57.4%	15.9%
5/11/2021	0%	0%	5.7%	21%	59.8%	13.5%
5/4/2021	0%	2.5%	4.6%	19.6%	67.9%	5.4%
4/27/2021	0%	2.5%	9.6%	35.1%	47.5%	5.4%
4/20/2021	0%	3.5%	11.2%	35.5%	44.5%	5.4%
4/13/2021	0.8%	5.1%	17.2%	38.3%	33.3%	5.4%
4/6/2021	0.8%	6.6%	23%	34.3%	30.1%	5.4%
3/30/2021	0.8%	8.6%	26.6%	32.3%	26.4%	5.4%
3/23/2021	0.7%	8.6%	26.6%	32.3%	26.4%	5.4%
3/16/2021	0.8%	8.6%	32%	29.1%	25.8%	3.8%
3/9/2021	0.8%	8.4%	32.3%	29.1%	25.8%	3.8%
3/2/2021	0.8%	8.4%	33.9%	27.4%	25.8%	3.8%
2/23/2021	0.7%	14.4%	27.9%	27.4%	25.8%	3.8%
2/16/2021	0.7%	14.4%	27.3%	26.6%	27.2%	3.8%
2/9/2021	0.6%	14.3%	27.2%	26.5%	27.7%	3.8%
2/2/2021	0%	14%	27.5%	26.8%	27.9%	3.8%
1/26/2021	0%	4.8%	19.5%	36.3%	35.6%	3.9%
1/19/2021	0%	4.8%	17.1%	38.7%	38.3%	1.2%
1/12/2021	0%	4.8%	16.1%	39.6%	38.3%	1.2%
1/5/2021	0%	4.8%	20.9%	40.5%	32.7%	1.2%

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Weekly percent area affected by drought in California 2021-2023, by category