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	Irkutsk, Irkutsk Oblast, Russia	46.5%	45.5%	47.6%
3	Mount Lebanon, Pennsylvania, USA	45.7%	57.4%	38.2%
4	Tabatinga, Amazonas, Brazil	45.3%	42.9%	48.8%
5	Saint John's, Saint John Parish, Antigua and Barbuda	44.0%	40.8%	48.1%
6	Khabarovsk, Khabarovsk, Russia	43.8%	42.9%	44.8%
7	Alpena, Michigan, USA	43.8%	52.1%	38.3%
8	Erie, Pennsylvania, USA	43.7%	44.9%	42.7%
9	Libreville, Estuaire, Gabon	43.4%	48.0%	38.1%
10	Cadillac, Michigan, USA	43.3%	53.4%	36.4%
11	Rio Gallegos, Santa Cruz, Argentina	43.2%	48.9%	38.7%
12	Beckley, West Virginia, USA	42.4%	47.6%	37.7%
13	Olean, New York, USA	42.4%	47.7%	38.5%
14	Hartford, Connecticut, USA	42.4%	58.5%	33.0%
15	Youngstown, Ohio, USA	42.3%	47.3%	38.6%
16	Cambridge, England, United Kingdom	42.2%	34.0%	56.3%
17	Waterbury, Connecticut, USA	42.2%	58.8%	33.2%
18	Welland, Ontario, Canada	42.2%	45.9%	39.1%
19	Buffalo, New York, USA	42.2%	48.9%	37.2%
20	Tawau, Sabah, Malaysia	42.1%	47.0%	36.4%
21	Flint, Michigan, USA	41.9%	54.5%	33.9%
22	Fort Frances, Ontario, Canada	41.9%	57.6%	32.3%
23	St. Catharines, Ontario, Canada	41.7%	51.6%	35.1%
24	Allentown, Pennsylvania, USA	41.7%	65.6%	30.7%
25	Manaus, Amazonas, Brazil	41.6%	50.3%	26.8%

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
1710	Atascadero, California, USA	7.9%	41.9%	4.0%
1711	Huntington Beach, California, USA	7.8%	36.4%	4.5%
1712	Santa Ana, California, USA	7.6%	56.5%	3.8%
1713	Oxnard, California, USA	7.5%	39.3%	4.3%
1714	Long Beach, California, USA	7.4%	42.3%	4.2%
1715	Glendale, California, USA	7.2%	40.0%	3.8%
1716	San Luis Obispo, California, USA	7.2%	39.3%	4.0%
1717	Lompoc, California, USA	7.1%	44.0%	3.9%
1718	Irvine, California, USA	7.1%	41.7%	4.2%
1719	Jahrom, Fars, Iran	7.1%	50.0%	4.0%
1720	Los Angeles, California, USA	7.1%	35.5%	3.9%
1721	Al Bahah, Al Bahah Region, Saudi Arabia	6.9%	88.2%	2.1%
1722	Lake Havasu City, Arizona, USA	6.9%	66.7%	3.4%
1723	Lancaster, California, USA	6.8%	50.0%	3.1%
1724	Garden Grove, California, USA	6.7%	33.3%	3.9%
1725	Yazd, Yazd Province, Iran	6.2%	69.2%	3.2%
1726	Bandar Abbas, Hormozgan, Iran	6.0%	62.5%	2.6%
1727	Santa Clarita, California, USA	5.7%	33.3%	3.1%
1728	Najran, Najran Region, Saudi Arabia	5.6%	66.7%	2.4%
1729	Blythe, California, USA	5.5%	71.4%	2.2%
1730	Dubai, Dubai, United Arab Emirates	5.1%	57.1%	2.3%
1731	Fujairah, Fujairah, United Arab Emirates	5.0%	88.9%	2.2%
1732	Kerman, Kerman, Iran	4.3%	46.2%	2.3%
1733	Torrance, California, USA	4.3%	77.8%	1.9%
1734	Zahedan, Sistan and Baluchestan, Iran	4.0%	54.5%	2.1%