Precipitation Changeability

How often does precipitation change from one day to the next?

Most Changeable

The 25 locations where precipitation changed the most from one day to the next over the last 12 months. Change % is how often the weather switched between a precipitation day and a dry day. Precip→Dry is how often a precipitation day was followed by a dry day, and Dry→Precip is the reverse.

Rank	Location	Change %	Precip→Dry	Dry→Precip
1	Troy, New York, USA	46.8%	53.4%	39.6%
2	Keene, New Hampshire, USA	45.9%	60.4%	35.3%
3	Welland, Ontario, Canada	45.5%	60.3%	32.4%
4	Cadillac, Michigan, USA	45.3%	56.3%	36.1%
5	Erie, Pennsylvania, USA	45.3%	50.0%	41.1%
6	Buffalo, New York, USA	45.0%	50.9%	39.3%
7	Youngstown, Ohio, USA	44.6%	51.0%	38.9%
8	St. Catharines, Ontario, Canada	44.1%	55.3%	35.8%
9	Saint John's, Saint John Parish, Antigua and Barbuda	44.1%	40.5%	48.8%
10	Berlin, New Hampshire, USA	44.0%	51.2%	37.2%
11	Mount Lebanon, Pennsylvania, USA	44.0%	54.3%	36.3%
12	Irkutsk, Irkutsk Oblast, Russia	43.8%	46.1%	41.7%
13	Beckley, West Virginia, USA	43.7%	47.3%	39.2%
14	Alpena, Michigan, USA	43.7%	52.8%	36.5%
15	Tabatinga, Amazonas, Brazil	43.4%	41.5%	45.8%
16	Olean, New York, USA	43.0%	47.5%	38.8%
17	Libreville, Estuaire, Gabon	42.9%	47.3%	37.8%
18	Punta Arenas, Region of Magallanes, Chile	42.7%	35.8%	52.5%
19	Tawau, Sabah, Malaysia	42.4%	39.8%	46.0%
20	Albany, New York, USA	42.2%	52.7%	33.9%
21	Sandakan, Sabah, Malaysia	42.1%	37.2%	49.6%
22	Rio Gallegos, Santa Cruz, Argentina	41.8%	45.3%	38.8%
23	Port Louis, Port Louis, Mauritius	41.8%	38.5%	46.2%
24	Isabel Segunda, Vieques, Puerto Rico	41.8%	31.7%	51.3%
25	West Albany, New York, USA	41.7%	49.7%	35.1%

Least Changeable

The 25 locations where precipitation changed the least from one day to the next over the last 12 months. These are places where the weather tends to stay the same — dry days stay dry and rainy days stay rainy.

Rank	Location	Change %	Precip→Dry	Dry→Precip
1684	Riverside, California, USA	9.8%	50.0%	4.4%
1685	Visalia, California, USA	9.7%	54.3%	4.6%
1686	Irvine, California, USA	9.7%	47.1%	5.4%
1687	Santa Clarita, California, USA	9.7%	44.7%	5.3%
1688	Garden Grove, California, USA	9.4%	40.0%	5.4%
1689	Birjand, South Khorasan Province, Iran	9.4%	56.0%	4.7%
1690	Santa Ana, California, USA	9.3%	58.3%	3.4%
1691	Tulare, California, USA	9.1%	42.9%	5.1%
1692	San Luis Obispo, California, USA	9.1%	42.9%	4.2%
1693	Tamanghasset, Tamanrasset, Algeria	9.1%	72.7%	4.0%
1694	Santa Maria, California, USA	8.9%	41.0%	4.7%
1695	Long Beach, California, USA	8.7%	45.7%	4.4%
1696	Bandar-e Mahshahr, Khuzestan, Iran	8.5%	61.1%	4.9%
1697	Ventura, California, USA	8.5%	40.0%	4.3%
1698	Los Angeles, California, USA	8.3%	37.8%	4.7%
1699	Jizan, Jazan Region, Saudi Arabia	8.1%	66.7%	2.9%
1700	Blythe, California, USA	7.5%	68.2%	3.0%
1701	Al Bahah, Al Bahah Region, Saudi Arabia	7.4%	86.7%	3.2%
1702	Torrance, California, USA	7.0%	66.7%	3.0%
1703	Zahedan, Sistan and Baluchestan, Iran	6.4%	66.7%	3.0%
1704	Bandar Abbas, Hormozgan, Iran	6.0%	62.5%	2.6%
1705	Kerman, Kerman, Iran	5.7%	47.1%	3.0%
1706	Dubai, Dubai, United Arab Emirates	5.1%	57.1%	2.3%
1707	Fujairah, Fujairah, United Arab Emirates	5.0%	88.9%	2.2%
1708	Najran, Najran Region, Saudi Arabia	4.7%	70.0%	2.4%