Lake Sevan Day marked on Sunday

Since 1999, the last Sunday of August has been observed in Armenia as Lake Sevan Day, reports Levon Azizyan, Director of Armenia’s Hydrometeorology and Monitoring Center.

“Sevan is one of our homeland’s priceless gems, requiring the care and protection of each and every one of us,” Azizyan said in a social media post.

He outlined 10 key facts about Lake Sevan:

1. Natural water level: 1915.57 m above sea level

2. Lowest recorded level: 1896.32 m (December 27, 2001 – January 10, 2002)

3. Annual river inflow: Maximum – 1,124.9 million m³ (1988); Minimum – 505.9 million m³ (2023)

4. Annual precipitation into the lake: Maximum – 812 million m³ (1963); Minimum – 311 million m³ (1929)

5. Maximum water transferred via the Arpa-Sevan tunnel: 311.5 million m³ (1999)

6. Annual evaporation: Maximum – 1,370.9 million m³ (2000); Minimum – 877.0 million m³ (1954)

7. Maximum water released from the lake: 1,751 million m³ (1953)

8. Earliest freezing date: January 16, 2008; Latest freezing date: February 28, 1959

9. Longest continuous ice cover: 72 days (1972)

10. Highest recorded water temperature: +28.4C (at the Karchaghbyur observation point, July 12, 2018)