"rainfall deficiency" is a correct, usable term in written English.
It is typically used in the context of discussing a lack of precipitation (rain) over some period of time. For example: "The region has experienced a rainfall deficiency over the past few months, causing a shortage of water in the area."
The Western Division, which consists of semiarid western plains, is recognized as an area of marked rainfall deficiency, and attempts have been made to rationalize land use there to minimize damage to the fragile environment.
TINDVI showed a relationship to agricultural productivity that is dependent on the extent to which crop or total agricultural production was directly reduced by rainfall deficiency.
The Kenya Meteorological Service (2010) defines normal meteorological drought as a situation in which rainfall over an area is less than 75%% of the climatological normal (that is, a rainfall deficiency of at least 25%%).
Persistent rainfall deficiency results in drought, which causes reduction of crops in rural areas and adds financial burden to local residents, especially farmers [ 32, 35].
Some studies indicated that decreased rainfall and continued drought caused by rainfall deficiency were associated with higher suicide risk in New South Wales (NSW), especially in rural areas [ 22, 23].
On the other hand, southern England maintained a "healthy water resources outlook" although the region had experienced spring and summer rainfall deficiencies.
Results showed that the employment of median timesteps was essential for future studies, since 1-month timestep DIs were found as irrelevant to those for other timesteps in arid/semi-arid regions because seasonal rainfall deficiencies are common there.
On the other hand, India did experience strong rainfall deficiencies during a much weaker El Niño in 2002, and severe drought during the moderate El Niño of 2009-2010.
(5) Although V7 has the overall best performance, it still shows deficiency in detecting extreme rainfall events in low-relief regions, tending to underestimate peak rainfall intensity and to misrepresent timing and locations.
Global warming may cause several severe problems such as the increase in the spread of insect-borne diseases, heavier rainfall and flooding, food and water deficiency, season changing and migration [1].
The deficiency in the seasonal rainfall was as much as 81percentnt. in Sind, 75percentnt. in Rajputana West, 70 per cent. in Baluchistan, 63 per cent. in Guzerat, and about 50percentnt. in the United Provinces West, the Punjab, Rajputana East, Central India East, Berar, the Konkan, the Bombay Deccan, Mysore, and Malabar".
