Natural Gas Stocks Withdrawal in Slovakia remained unchanged at 26.20 GWh/d on Saturday July 4. Natural Gas Stocks Withdrawal in Slovakia averaged 83.53 GWh/d from 2011 until 2026, reaching an all time high of 370.40 GWh/d in February of 2012 and a record low of 0.00 GWh/d in April of 2011.