condition mean min max 4 h after light 33.498219 29.262292 37.734146 8 h after light 27.2808555 25.544108 29.017603 12 h after light 26.2520935 25.884517 26.61967 4 h after dark 22.7331955 20.456079 25.010312 8 h after dark 19.6955885 18.738207 20.65297 12 h after dark 31.663044 31.663044 31.663044