Steamboat can shoot up nearly 400 feet [120 m], three times as high as Old Faithful — but it can remain inactive for years.
Savukārt Stīmbouts var izgrūst ūdeni apmēram 120 metru augstumā — trīsreiz augstāk nekā Oldfeitfuls —, taču reizēm tas gadiem nedarbojas.