Iran Meteorological Organization

Iran Meteorological Organization. [8 April 2015]. （原始内容存档于8 March 2016）.  （页面存档备份，存于互联网档案馆） No. Of days with snow in Mashhad by Month 1951–2010. Iran

Iran Meteorological Organization. [April 7, 2015]. （原始内容存档于2017-10-28）.  Lowest record temperature in Ramsar by Month 1955–2010. Iran Meteorological Organization

Iran Meteorological Organization. [8 April 2015]. （原始内容存档于2016-03-04）.  Lowest record temperature in Ghom by Month 1986–2010. Iran Meteorological Organization

Iran Meteorological Organization. [2015-04-08]. （原始内容存档于2016-10-25）.  Lowest record temperature in Esfahan by Month 1951–2010. Iran Meteorological Organization

1951–2010. Iran Meteorological Organization. [April 8, 2015]. （原始内容存档于October 5, 2018）.  Lowest record temperature in Kermanshah by Month 1951–2010. Iran Meteorological