Markov Chain Decomposition of Monthly Rainfall into Daily Rainfall: Evaluation of Climate Change Impact

Table 1

Monthly statistics of daily rainfall at the Seoul weather station.

Month	Mean (mm/day)	Standard deviation (mm/day)	Lag-1 (day) autocorrelation coefficient	Monthly mean number of wet days
January	0.6	0.6	0.08	6.5
February	0.9	1.1	0.06	5.8
March	1.4	1.0	−0.01	7.0
April	2.8	2.3	0.07	8.4
May	3.2	1.9	0.05	8.6
June	4.6	3.6	0.07	10.3
July	12.9	6.7	0.08	16.5
August	10.5	7.1	0.14	14.4
September	5.4	4.6	0.07	9.2
October	1.6	1.4	0.04	6.2
November	1.7	1.1	0.06	9.2
December	0.7	0.6	0.01	7.3