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Rainfall:
Based on the studies carried out by Dr. K.S.Verma & others, Department of Environmental
Studies, Dr. Yashwant Singh Parmar University of Horticulture & Forestry, Nauni, Solan,
Himachal Pradesh.
- The two districts will suffer from decreased precipitation during the period between
January – Jun except February and May.
- This situation will badly influence the growth and development of rabi crops as
well as sowing of Kharif crops.
- Precipitation during July-December will follow an overall increase.
- Rainfall in Una district during January-June will be negatively influenced.
- From July till December increased precipitation will occur.
- Increase will be more during two monsoon months of July and August besides September.
- Month-wise total precipitation will be negative in January, March, April and June.
- Monsoon months of July and August will receive increased amount of rains.
- Decrease in rainfall during June which is the beginning of monsoon season in the
region presents a rainfall pattern “delayed monsoon rains ” .
- The area will be negatively impacted from January to June except May.
- From July onward till December total amount of rainfall, monthwise, will increase.
- The region is known for off-season vegetable crops which is the backbone of farm
communities and also vegetable & fruit traders.
- The likely decrease in rainfall during the winter period will hamper the economy
of farmers, the most.
- In Shimla district, rainfall in January, March, April and June with a negligible
increase in February will decrease.
- From July onwards ending December monthly precipitation will increase.
- Less amount of rains during January to April may influence the fruit setting adversely
in different temperate fruit crops.
- An increase in rainfall during all the months of the year except June and October
has been predicted.
- Winter months (Dec.-Feb.) will receive overall increased rainfall whereas in summer
(June-Aug.) months, June will be impacted adversely.
- The district will have increased rainfall except in January, April and June.
- These months which will have less rains by about 5.70%, 8.57% and 23%, respectively.
- The average rainfall for each month except June has been projected to be increased.
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Enhanced rainfall means decrease in snowfall.
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Condition will be more suitable for plant growth and development in cold arid climate
of this district.
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Rainfall in Kinnaur has been projected to increase every month except for January,
April and June.
(Source: Verma, et. al., 2010)
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