41. The area has a mean temperature range of, with up to 40 days above, and a mean annual rainfall of. 42. In climates with mean annual temperatures of 26 28 �C and mean annual rainfall of 1, 500 4, 000 mm. 43. Data available from stations in the foothills and steppes south and southwest of the mountains suggest mean annual rainfall between for that area. 44. Rainfall varies inter-annually, the standard deviation of the annual rainfall is equal to 37 % of the mean annual rainfall . 45. Most of this rain falls in the summer : between December and March monthly totals have on several occasions exceeded the mean annual rainfall . 46. The mean annual rainfall is around 1400 mm, with the south-west monsoon accounting for most of the rainfall in the region. 47. The driest areas are on the leeward side in the central valleys and northernmost portion of south Thailand where mean annual rainfall is less than. 48. Median and mean annual rainfall at Rockingham are and respectively, mainly falling in winter from May to August, while annual evaporation is about. 49. The mean annual rainfall of the area varies between 1200 mm and 1599 mm, with 15 �C to 19.9 �C average annual temperature. 50. The tree grows in the Andean highlands where the mean annual temperature is 16 " 24 �C, and the mean annual rainfall 1500 2500 mm.
