condition mean min max 4 h after light 1.17259 1.05068 1.2945 8 h after light 1.5741749999999999 1.2751 1.87325 12 h after light 2.560015 2.42553 2.6945 4 h after dark 3.11739 2.63577 3.52089 8 h after dark 2.74044 2.13231 3.24957 12 h after dark 2.48618 1.75862 3.33204