correlation matrix (non-overlapping periods)
	Rainfall_Sep_Dec	Rainfall_Jan_Feb	Rainfall_Mar_May		JulianDay
Rainfall_Sep_Dec	1.00	-0.11	0.50		0.37
Rainfall_Jan_Feb	-0.11	1.00	0.39		-0.09
Rainfall_Mar_May	0.50	0.39	1.00		0.18
JulianDay	0.37	-0.09	0.18		1.00
	correlation matrix (overlapping periods)
	Rainfall_Sep_Dec	Rainfall_Nov_Mar	Rainfall_Nov_May	Rainfall_Feb_May	JulianDay
Rainfall_Sep_Dec	1.00	0.73	0.78	0.35	0.37
Rainfall_Nov_Mar	0.73	1.00	0.97	0.86	0.47
Rainfall_Nov_May	0.78	0.97	1.00	0.84	0.36
Rainfall_Feb_May	0.35	0.86	0.84	1.00	0.17
JulianDay	0.37	0.47	0.36	0.17	1.00
RMSE (Non-Overlapping): 12.19 days
RMSE (Overlapping): 13.46 days
data source: CHIRPS