condition mean min max 4 h after light 0.870924 0.634718 1.10713 8 h after light 0.9594670000000001 0.717594 1.20134 12 h after light 0.942453 0.754686 1.13022 4 h after dark 0.9231245 0.702189 1.14406 8 h after dark 1.174437 0.866684 1.48219 12 h after dark 0.6209720000000001 0.587883 0.654061