Recent Changes of Some Observed Climate Extreme Events in Kano

Table 2

Observed trends in some temperature indices in Kano from 1960 to 2007.

	Indices	Trends	values
(a)	Cool nights (Tn10p)	0.23	0.007
(b)	Warm nights (Tn90p)	0.322	0.000
(c)	Cool days (Tx10p)	0.221	0.000
(d)	Warm days (Tx90p)	0.399	0.000
(e)	Warm spells (WSDI)	0.687	0.000
(f)	Diurnal temperature range (DTR)	0.006	0.303