The phrase "temperature standstill" means that the temperature is not changing or staying at the same level for a certain period of time. Full definition
The global temperature standstill reverted to a global cooling trend in 2002 and the Earth has been cooling ever since, in spite of the continued increase in global CO2 emissions from fossil fuels. (drtimball.com)
Related Links: Global Temperature Standstill Lengthens: No global warming for 17 years 10 months — Since Sept. 1996 (214 months) (climatedepot.com)
And it would have to be models because anyone with a memory knows that none of them predicted the current temperature standstill. (joannenova.com.au)