condition mean min max 4 h after light 152.1068045 110.238948 193.974661 8 h after light 143.433739 132.86619 154.001288 12 h after light 206.111817 164.770518 247.453116 4 h after dark 173.53274299999998 155.971068 191.094418 8 h after dark 162.8638775 156.031125 169.69663 12 h after dark 176.25958 176.25958 176.25958