condition mean min max 4 h after light 158.2337395 149.392374 167.075105 8 h after light 155.9328825 150.981062 160.884703 12 h after light 169.771407 165.772296 173.770518 4 h after dark 199.0604105 175.463637 222.657184 8 h after dark 178.88719550000002 135.657159 222.117232 12 h after dark 119.74646 119.74646 119.74646