"Extreme highs" refers to moments or experiences that generate intense levels of happiness, excitement, or euphoria. It suggests an intense and exhilarating feeling of joy or satisfaction. Full definition
Increased temperature variance adds to the probability of extreme high temperature events over and above what could be expected simply from increases in the mean alone. (ipcc.ch)
At extreme high tide the wave is fuller and much easier to ride, perfect for surfers who are not accustomed to fast tubing waves. (wavehunters.com)
The hood has been reinforced to prevent distortion at extreme high speeds. (japanesesportcars.com)