Now find out

(i) Why are Thiruvananthapuram and Shillong rainier in June than in July?

(ii) Why is July rainier in Mumbai than in Thiruvananthapuram ?

(iii) Why are southwest monsoons less rainy in Chennai?

(iv) Why is Shillong rainier than Kolkata?

(v) Why is Kolkata rainier in July than in June unlike Shillong which is rainier in June than in July?

(vi) Why does Delhi receive more rain than Jodhpur?

Stations	Latitude	Altitude (Metres)	Jan.	Feb.	Mar.	Apr.	May.	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual Rainfall
Temperature(°C) Bengaluru Rainfall(cm)			20.5	22.7	25.2	27.1	26.7	24.2	23.0	23.0	23.1	22.9	18.9	20.2	88.9
	12°58'N	909
			0.7	0.9	1.1	4.5	10.7	7.1	11.1	13.7	16.4	15.3	6.1	1.3
Temperature(°C) Mumbai Rainfall(cm)			24.4	24.4	26.7	28.3	30.0	28.9	27.2	27.2	27.2	27.8	27.2	25.0	183.4
	19°N	11
			0.2	0.2	—	—	1.8	50.6	61.0	36.9	26.9	4.8	1.0	—
Temperature(°C) Kolkata Rainfall(cm)			19.6	22.0	27.1	30.1	30.4	29.9	28.9	28.7	28.9	27.6	23.4	19.7	162.5
	22°34'N	6
			1.2	2.8	3.4	5.1	13.4	29.0	33.1	33.4	25.3	12.7	2.7	0.4
Temperature(°C) Delhi Rainfall(cm)			14.4	16.7	23.3	30.0	33.3	33.3	30.0	29.4	28.9	25.6	19.4	15.6	67.0
	29°N	219
			2.5	1.5	1.3	1.0	1.8	7.4	19.3	17.8	11.9	1.3	0.2	1.0
Temperature(°C) Jodhpur Rainfall(cm)			16.8	19.2	26.6	29.8	33.3	33.9	31.3	29.0	20.1	27.0	20.1	14.9	36.6
	26°18'N	224
			0.5	0.6	0.3	0.3	1.0	3.1	10.8	13.1	5.7	0.8	0.2	0.2
Temperature(°C) Chennai Rainfall(cm)			24.5	25.7	27.7	30.4	33.0	32.5	31.0	30.2	29.8	28.0	25.9	24.7	128.6
	13°4'N	7
			4.6	1.3	1.3	1.8	3.8	4.5	8.7	11.3	11.9	30.6	35.0	13.9
Temperature(°C) Nagpur Rainfall(cm)			21.5	23.9	28.3	32.7	35.5	32.0	27.7	27.3	27.9	26.7	23.1	20.7	124.2
	21°9'N	312
			1.1	2.3	1.7	1.6	2.1	22.2	37.6	28.6	18.5	5.5	2.0	1.0
Temperature(°C) Shillong Rainfall(cm)			9.8	11.3	15.9	18.5	19.2	20.5	21.1	20.9	20.0	17.2	13.3	10.4	225.3
	24°34'N	1461
			1.4	2.9	5.6	14.6	29.5	47.6	35.9	34.3	30.2	18.8	3.8	0.6
Temperature(°C) Thiruvananthapuram Rainfall(cm)			26.7	27.3	28.3	28.7	28.6	26.6	26.2	26.2	26.5	26.7	26.6	26.5	181.2
	8°29'N	61
			2.3	2.1	3.7	10.6	20.8	35.6	22.3	14.6	13.8	27.3	20.6	7.5
Temperature(°C) Leh Rainfall(cm)			-8.5	-7.2	-0.6	6.1	10.0	14.4	17.2	16.1	12.2	6.1	0.0	-5.6	8.5
	34°N	3506
			1.0	0.8	0.8	0.5	0.5	0.5	1.3	1.3	0.8	0.5	—	0.5

(i) Thiruvananthapuram receives rainfall from the Arabian sea branch of the monsoon and Shillong receives rainfall from the Bay of Bengal branch of the monsoon in first week of June. Later these branches move ahead and these places receive less rainfall in July.

(ii) The Arabian sea branch hits Thiruvananthapuram on 1 June while it reaches Mumbai on 10 June. So, Thiruvananthapuram receives most of the rainfall in June but Mumbai gets most of rainfall in July.

(iii) The southwest monsoons has two branches: the Arabian sea branch and the Bay of Bengal branch. The Arabian sea branch brings rainfall on western Ghats. Chennai is situated on the leeward side of Western ghats and therefore get very less rainfall. The Bay of Bengal branch moves towards north-eastern states and bring heavy rainfall. Therefore, southwest monsoons are less rainy in Chennai.

(iv) Due to lofty Himalayas, the monsoon wind do not escape and remains near Shillong bringing heavy rainfall there. Therefore, Shillong is rainier than Kolkata.

(v) The Bay of Bengal branch of Monsoon reaches Shillong earlier than Kolkata. Therefore, Kolkata rainier in July than in June unlike Shillong which is rainier in June than in July.

(vi) Jodhpur is located to the west of Delhi. As the monsoon winds traverse Northern India from east to west, they gradually shed their moisture. Hence, when these winds reach Delhi, they retain more moisture and result in greater rainfall compared to Jodhpur.