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	Welland, Ontario, Canada	48.2%	63.1%	32.3%
2	Troy, New York, USA	46.8%	53.4%	39.6%
3	Keene, New Hampshire, USA	46.3%	60.1%	34.6%
4	St. Catharines, Ontario, Canada	45.7%	56.1%	36.5%
5	Mount Lebanon, Pennsylvania, USA	45.5%	55.3%	37.5%
6	Bradford, Pennsylvania, USA	44.9%	53.6%	36.1%
7	Youngstown, Ohio, USA	44.6%	50.3%	38.9%
8	Cadillac, Michigan, USA	44.6%	54.2%	35.6%
9	Berlin, New Hampshire, USA	44.6%	50.3%	38.0%
10	Olean, New York, USA	44.3%	48.3%	40.0%
11	Erie, Pennsylvania, USA	44.0%	47.2%	41.0%
12	Tabatinga, Amazonas, Brazil	44.0%	41.6%	47.2%
13	Saint John's, Saint John Parish, Antigua and Barbuda	44.0%	41.1%	47.7%
14	Manaus, Amazonas, Brazil	43.9%	54.6%	30.8%
15	Mansfield, England, United Kingdom	43.8%	36.6%	54.2%
16	Edmundston, New Brunswick, Canada	43.8%	56.7%	31.6%
17	Bay Harbor, Michigan, USA	43.4%	54.5%	33.5%
18	Beckley, West Virginia, USA	43.2%	46.9%	38.2%
19	Buffalo, New York, USA	43.1%	46.4%	39.2%
20	Cornwall, Ontario, Canada	42.9%	51.8%	34.0%
21	Flint, Michigan, USA	42.9%	55.3%	33.2%
22	Lewiston, Maine, USA	42.9%	53.9%	33.7%
23	Pelentong, Johor, Malaysia	42.9%	43.2%	42.4%
24	Warren, Michigan, USA	42.9%	63.6%	28.4%
25	Kentwood, Michigan, USA	42.8%	48.5%	37.2%

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
1681	Riverside, California, USA	9.6%	48.8%	4.3%
1682	Santa Clarita, California, USA	9.6%	43.6%	5.2%
1683	Visalia, California, USA	9.6%	51.4%	4.6%
1684	Jizan, Jazan Region, Saudi Arabia	9.6%	69.2%	3.8%
1685	Birjand, South Khorasan Province, Iran	9.4%	56.0%	4.7%
1686	Irvine, California, USA	9.3%	45.7%	5.1%
1687	Garden Grove, California, USA	9.3%	39.0%	5.3%
1688	Santa Ana, California, USA	9.3%	59.5%	3.0%
1689	San Luis Obispo, California, USA	9.3%	43.2%	4.1%
1690	Los Angeles, California, USA	9.0%	41.5%	4.6%
1691	Long Beach, California, USA	8.6%	44.4%	4.3%
1692	Santa Maria, California, USA	8.6%	39.0%	4.4%
1693	Bandar-e Mahshahr, Khuzestan, Iran	8.5%	61.1%	4.9%
1694	Ventura, California, USA	8.5%	39.0%	4.3%
1695	Tamanghasset, Tamanrasset, Algeria	8.1%	70.0%	3.6%
1696	Blythe, California, USA	8.0%	69.6%	3.3%
1697	Cairo, Cairo, Egypt	6.9%	81.8%	3.9%
1698	Torrance, California, USA	6.8%	68.4%	2.6%
1699	Al Bahah, Al Bahah Region, Saudi Arabia	6.5%	91.7%	2.8%
1700	Zahedan, Sistan and Baluchestan, Iran	6.4%	66.7%	3.0%
1701	Bandar Abbas, Hormozgan, Iran	6.0%	62.5%	2.6%
1702	Kerman, Kerman, Iran	5.7%	47.1%	3.0%
1703	Fujairah, Fujairah, United Arab Emirates	5.4%	90.0%	2.4%
1704	Dubai, Dubai, United Arab Emirates	5.1%	57.1%	2.3%
1705	Najran, Najran Region, Saudi Arabia	3.8%	77.8%	1.4%