CLIMATE OF SAN FRANCISCO RAINFALL RETURN PERIODS


	Maximum	Year	Minimum	Year	High Min.	Year	Low Max.	Year
January	79	1962	29	1888	62	1997	39	1888
February	81	1986	31	1989	61	1985	42	1989
March	86	1914	33	1896	67	1914	45	1896
April	94	1989	40	1967	68	1957	48	1875
May	101	2001	42	1906	76	2008	51	1950
June	103	2000	46	1917	73	2008	53	1911
July	103	1988	47	1953	66	1905	54	1898
August	98	1993	46	1903	70	1894	54	1954
September	101	1971	47	1955	75	1904	54	1910
October	102	1987	43	1935	69	1961	52	1899
November	86	1966	38	1919	67	1950	48	1896
December	76	1958	27	1932	63	1937	35	1932
Annual	103	1988	27	1932	76	2008	35	1932