J F M A M J J A S O N D Temp. (ºC) 23 22 20 17 15 12 13 16 17 19 20 22 Precipitation (mm) 200 180 120 45 8 0 0 0 5 35 100 160 (a) Calculate the (i) annual t...

(a)(i) Annual temperature range

Range = highest − lowest = \(23^{\circ}\text{C} - 12^{\circ}\text{C} = 11^{\circ}\text{C}\).

(a)(ii) Mean monthly temperature

Sum of temperatures \(= 23+22+20+17+15+12+13+16+17+19+20+22 = 216\). \[\text{Mean} = \frac{216}{12} = 18^{\circ}\text{C}.\]

(a)(iii) Total annual rainfall

\(200+180+120+45+8+0+0+0+5+35+100+160 = 853\ \text{mm}\).

(b)(i) Climatic region

The station lies in a Tropical wet-and-dry (Tropical Continental / Savanna) region.

(b)(ii) Two supporting reasons

• There is a marked single rainy season in the high-sun months (November to March, peaking at 200 mm in January) and a pronounced dry season with three completely rainless months (June, July, August), which is the classic savanna wet-and-dry rhythm.
• Temperatures are warm throughout the year (mean 18°C, all months above 12°C) with a fairly small range (11°C) and a high annual rainfall total (853 mm), all typical of the tropical continental belt.

(c) Hemisphere

The highest temperatures occur in December to February and the lowest in June to July, so the warm summer season falls in December to February. This places the station in the Southern Hemisphere.