condition mean min max 4 h after light 1.2616 0.0 2.5232 8 h after light 1.102215 0.0 2.20443 12 h after light 0.0 0.0 0.0 4 h after dark 0.63519 0.0 1.90557 8 h after dark 1.45712 0.0 2.3552 12 h after dark 3.105704 0.939662 6.99283