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	Mount Lebanon, Pennsylvania, USA	44.8%	54.2%	38.1%
3	Cadillac, Michigan, USA	44.4%	56.2%	36.2%
4	Saint John's, Saint John Parish, Antigua and Barbuda	44.3%	41.2%	48.1%
5	Erie, Pennsylvania, USA	44.2%	46.6%	42.2%
6	Tabatinga, Amazonas, Brazil	44.1%	41.1%	48.1%
7	Irkutsk, Irkutsk Oblast, Russia	44.0%	46.4%	41.9%
8	Welland, Ontario, Canada	43.6%	51.1%	37.3%
9	Libreville, Estuaire, Gabon	43.4%	48.0%	38.1%
10	Isabel Segunda, Vieques, Puerto Rico	43.0%	33.3%	51.3%
11	Buffalo, New York, USA	43.0%	48.3%	38.4%
12	Alpena, Michigan, USA	42.9%	51.5%	36.7%
13	Beckley, West Virginia, USA	42.9%	46.2%	39.8%
14	Tawau, Sabah, Malaysia	42.8%	41.1%	45.0%
15	Youngstown, Ohio, USA	42.8%	46.4%	39.9%
16	Keene, New Hampshire, USA	42.5%	58.2%	32.5%
17	Abakan, Khakasiya Republic, Russia	42.2%	45.5%	39.1%
18	Khabarovsk, Khabarovsk, Russia	42.1%	40.0%	44.5%
19	Hartford, Connecticut, USA	42.0%	57.9%	32.0%
20	St. Catharines, Ontario, Canada	42.0%	50.8%	35.8%
21	West Albany, New York, USA	42.0%	52.4%	34.7%
22	Ipoh, Perak, Malaysia	41.9%	43.3%	40.0%
23	Flint, Michigan, USA	41.9%	53.1%	34.2%
24	Cambridge, England, United Kingdom	41.9%	35.4%	51.7%
25	Rio Gallegos, Santa Cruz, Argentina	41.7%	45.9%	38.3%

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
1697	Bandar-e Mahshahr, Khuzestan, Iran	8.5%	61.1%	4.9%
1698	Jizan, Jazan Region, Saudi Arabia	8.4%	66.7%	3.3%
1699	Lancaster, California, USA	8.1%	53.6%	3.8%
1700	Santa Maria, California, USA	8.0%	45.2%	4.1%
1701	Santa Ana, California, USA	8.0%	61.5%	3.4%
1702	Al Bahah, Al Bahah Region, Saudi Arabia	8.0%	88.9%	2.8%
1703	Ventura, California, USA	7.9%	41.9%	4.3%
1704	Long Beach, California, USA	7.9%	46.4%	4.1%
1705	Atascadero, California, USA	7.8%	41.9%	4.0%
1706	Irvine, California, USA	7.8%	44.4%	4.5%
1707	Lompoc, California, USA	7.8%	51.7%	3.4%
1708	Garden Grove, California, USA	7.4%	37.5%	4.1%
1709	Los Angeles, California, USA	7.4%	37.5%	4.1%
1710	Lake Havasu City, Arizona, USA	7.3%	58.8%	4.1%
1711	Santa Clarita, California, USA	7.3%	40.0%	4.0%
1712	Tulare, California, USA	7.2%	40.7%	4.0%
1713	San Luis Obispo, California, USA	7.0%	41.4%	3.5%
1714	Zahedan, Sistan and Baluchestan, Iran	6.4%	66.7%	3.0%
1715	Blythe, California, USA	6.0%	66.7%	2.8%
1716	Bandar Abbas, Hormozgan, Iran	6.0%	62.5%	2.6%
1717	Najran, Najran Region, Saudi Arabia	5.7%	71.4%	2.4%
1718	Kerman, Kerman, Iran	5.7%	47.1%	3.0%
1719	Dubai, Dubai, United Arab Emirates	5.1%	57.1%	2.3%
1720	Fujairah, Fujairah, United Arab Emirates	5.0%	88.9%	2.2%
1721	Torrance, California, USA	4.3%	77.8%	1.9%