Wikihopping #3 (Dust Bowl to 'The Muppet Show') by HerzogA

Question 5

[Atmospheric pressure] Standard temperature and pressure (STP) is a set of conditions for experimental measurement. The STP standard consists of 1 atm for pressure and 0 degrees Celsius for temperature. The National Institute of Standards and Technology (NIST) instead uses a standard called normal temperature and pressure (NTP) which also uses 1 atm for pressure but HOW MANY DEGREES CELSIUS for temperature?