www.enreport.com

Iran's production: 554 million m3 (mcm/day)
28 out of 31 regions in Iran is experiencing freezing colds.
Iran's daily demand hit a record 551 million m3/day (mcm/day).
Trend.az claims a new record of 556 mcm/day
Iran also exports 30 mcm/day to Turkey.
Iran Turkmenistan pipeline capacity is 50 mcm/day.
Turkmenistan has cut natural gas to Iran from 20 to 10 mcm/day.

References:
http://en.trend.az/regions/iran/1990080.html
http://www.panarmenian.net/rus/news/92297/

From oilru.com
A summary of Iranian gas usage from a Russian website:

"Today, about 53% rural and 95% of the urban population of Iran, a total of about 75% of the population throughout the country, provided with cooking gas""this year in Iran came early cold, which was not observed for the past 43 years"" the maximum daily gas consumption in the industry is fixed at around 92 million cubic meters/day. Last year the figure was 72 million cubic meters/day, reports Iran News."