In the first three months of the current water year (September 23 – December 10), precipitation in Iran has declined by 33%, making 2021 one of the driest years in the past 50 years. In addition, the country is 51% short of rain compared to the same period last year.
Iran received an average of 33.5 mm (1.31 inches) of rain from September 23 to December 10, down from the long-term average of 49.6 mm (1.95 inches), representing a 33% decrease in rainfall and making the national center for drought and crisis management to consider this year to be one of the driest in the past 50 years.
Reduction of precipitation, especially snowfall in the country has caused the level of snow cover not to be in a favorable condition compared to last year.
The snow cover in the country last year was 170 994 km2 (66 021 mi2).
By December 10, 2021, it has decreased to 133 011 km2 (51 355 mi2), which shows a decrease of 37 983 km2 (14 665 mi2).
As a result, only 35% of Iran's major dam reservoirs are filled.
Iran short of rain by 33% – Tehran Times
Featured image credit: Fulvio Spada (Flickr)
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