Metrological Organization

Total:2

  • Rainfall drops by almost 30% compared to long-term average 2025-04-06 14:51

    Rainfall drops by almost 30% compared to long-term average

    TEHRAN – From the beginning of the spring till April 5, some 14.5 mm of rainfall has been recorded in the country, indicating a 28.1 percent decrease from the long-term average of 20.2 mm, according to the Metrological Organization.

  • Rainfall drops by over 50% since mid-September 2025-02-01 17:18

    Rainfall drops by over 50% since mid-September

    TEHRAN—From the beginning of the current water year (September 23, 2024) to January 30, 50.5 mm of rainfall has been recorded in the country, a 51.1 percent decrease from the long-term average of 103.2 mm, according to the Metrological Organization.