JAMB - Geography (2005 - No. 37)

	J	F	M	A	M	J	J	A	S	O	N	D
Temp.oC	24	24	27	28	30	29	27	27	27	28	27	25
	2	2	0	0	18	505	610	368	269	48	10	0

The annual range of temperature is