condition mean min max 4 h after light 2.865275 2.75461 2.97594 8 h after light 0.9967595 0.462809 1.53071 12 h after light 0.838247 0.819583 0.856911 4 h after dark 0.5531416666666666 0.233275 1.08589 8 h after dark 2.5755933333333334 2.50285 2.68423 12 h after dark 2.0465299999999997 1.25838 2.82389