condition mean min max 0 h after light 34.20955 33.61 34.8091 4 h after light 27.480649999999997 27.4672 27.4941 8 h after light 36.454800000000006 36.1685 36.7411 4 h after dark 47.744 42.2407 53.2473 8 h after dark 33.30185 32.9501 33.6536 12 h after dark 27.8874 27.4049 28.3699