Table 3. The probability of detection (POD), false alarm ratio (FAR) and critical success index (CSI) for four seasons

	Spring	Summer	Autumn	Winter	Total
POD	0.50	0.49	0.21	0.06	0.35
FAR	0.17	0.27	0.38	0.60	0.27
CSI	0.45	0.42	0.19	0.06	0.31