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प्रश्न
Give reason why Shillong gets hardly 200 cm., rainfall during the year, whereas Cherrapunji gets more than 1250 cm, of rainfall although they are situated very close to each other.
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उत्तर
Cherrapunji is located in a funnel shaped depression within the Garo-Khasi hills, where South-west monsoon wind get entrapped and it continues to rain in heavy downpours during the rainy Season. On the other hand Shillong is situated in the rain shadow region.
संबंधित प्रश्न
Name a state that is the first to experience the onset of the monsoon.
There is plenty of rain in India during the rainy season, yet we need irrigation. Give two reasons to support this statement.
Name the following: The local wind that brings a light rainfall to South India and is good for tea and
coffee crops.
Give geographical reasons for each of the following:
The Ganga Plains gets the monsoon rain much later than the west coast of India.
Mention the geographical reason for the following:
Western Rajasthan receives no rain from the Arabian Sea branch of the South West Monsoon winds.
| Stations | Latitude | Altitude (Metres) | Jan. | Feb. | Mar. | Apr. | May. | Jun. | July. | Aug. | Sep. | Oct. | Nov. | Dec. | Annual Rainfall |
|
Temperature (°C) |
20.5 |
22.7 |
25.2 |
27.1 |
26.7 |
24.2 |
23.0 |
23.0 |
23.1 |
22.9 |
18.9 |
20.2 |
|||
| Bengaluru | 12°58'N | 909 |
|
|
|
||||||||||
| Rainfall (cm) | 0.7 | 0.9 | 1.1 | 4.5 | 10.7 | 7.1 | 11.1 | 13.7 | 16.4 |
15.3 |
6.1 |
1.3 |
88.9 | ||
|
Temperature (°C) |
24.4 |
24.4 |
26.7 |
28.3 |
30.0 |
28.9 |
27.2 |
27.2 |
27.2 |
27.8 |
27.2 |
25.0 |
|||
|
Mumbai |
19° N | 11 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
0.2 |
0.2 |
– |
– |
1.8 |
50.6 |
61.0 |
36.9 |
26.9 |
4.8 |
1.0 |
– |
183.4 | ||
|
Temperature (°C) |
19.6 |
22.0 |
27.1 |
30.1 |
30.4 |
29.9 |
28.9 |
28.7 |
28.9 |
27.6 |
23.4 |
19.7 |
|||
|
Kolkata |
22°34'N | 6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
1.2 |
2.8 |
3.4 |
5.1 |
13.4 |
29.0 |
33.1 |
33.4 |
25.3 |
12.7 |
2.7 |
0.4 |
162.5 | ||
|
Temperature (°C) |
14.4 |
16.7 |
23.3 |
30.0 |
33.3 |
33.3 |
30.0 |
29.4 |
28.9 |
25.6 |
19.4 |
15.6 |
|||
|
Delhi |
29° N | 219 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
2.5 |
1.5 |
1.3 |
1.0 |
1.8 |
7.4 |
19.3 |
17.8 |
11.9 |
1.3 |
0.2 |
1.0 |
67.0 | ||
|
Temperature (°C) |
16.8 |
19.2 |
26.6 |
29.8 |
33.3 |
33.9 |
31.3 |
29.0 |
20.1 |
27.0 |
20.1 |
14.9 |
|||
|
Jodhpur |
26°18'N | 224 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
0.5 |
0.6 |
0.3 |
0.3 |
1.0 |
3.1 |
10.8 |
13.1 |
5.7 |
5.7 |
0.2 |
0.2 |
36.6 | ||
|
Temperature (°C) |
24.5 |
25.7 |
27.7 |
30.4 |
33.0 |
32..5 |
31.0 |
30.2 |
29.8 |
28.0 |
25.9 |
24.9 |
|||
|
Chennai |
13°4'N | 7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
4.6 |
1.3 |
1.3 |
1.8 |
3.8 |
22.2 |
8.7 |
11.3 |
11.9 |
30.6 |
35.0 |
0.2 |
128.6 | ||
|
Temperature (°C) |
21.5 |
23.9 |
28.3 |
32.7 |
35.5 |
32.0 |
27.7 |
27.3 |
27.9 |
26.7 |
23.1 |
20.7 |
|||
|
Nagpur |
21°9'N | 312 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
1.1 |
2.3 |
1.7 |
1.6 |
2.1 |
22.2 |
37.6 |
28.6 |
18.5 |
5.5 |
2.0 |
13.9 |
124.2 | ||
|
Temperature (°C) |
9.8 |
11.3 |
15.9 |
18.5 |
19.2 |
20.5 |
21.1 |
20.9 |
20.9 |
17.2 |
13.3 |
10.4 |
|||
|
Shillong |
24°34'N | 1461 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
1.4 |
2.9 |
5.6 |
14.6 |
29.5 |
47.6 |
35.9 |
34.3 |
30.2 |
18.8 |
3.8 |
1.0 |
225.3 | ||
|
Temperature (°C) |
26.7 |
27.3 |
28.3 |
28.7 |
28.6 |
26.6 |
26.2 |
26.2 |
26.5 |
26.7 |
26.6 |
26.5 |
|||
|
Thiruvananthapuram |
8°29'N | 61 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
2.3 |
2.1 |
3.7 |
10.6 |
20.8 |
35.6 |
22.3 |
14.6 |
13.8 |
27.3 |
20.6 |
7.5 |
181.2 | ||
|
Temperature (°C) |
−8.5 |
−7.2 |
−0.6 |
6.1 |
10.0 |
14.4 |
17.2 |
16.1 |
12.2 |
6.1 |
0.0 |
−5.6 |
|||
|
Leh |
34°N | 3506 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall (cm) |
1.0 |
0.8 |
0.8 |
0.5 |
0.5 |
0.5 |
1.3 |
1.3 |
0.8 |
0.5 |
– |
0.5 |
8.5 |
In above Table the average mean monthly temperatures and amounts of rainfall of ten representative stations have been given. It is for you to study on your own and convert them into ‘temperature and rainfall’ graphs. A glance at these visual representations will help you to grasp instantly the similarities and differences between them. One such graph (Figure 1) is already prepared for you. See if you can arrive at some broad generalisations about our diverse climatic conditions. 
Which type of climate is experienced in the Northern Plains of India? State one main characteristic of this type of climate.
What is meant by a ‘Rain Shadow’ area?
In India, 85% of the rain is received from the ______.
Give reasons for the following topic:
Kolkatta receives more rainfall than Bikaner in Rajasthan.
