condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.03042025 0.0 0.0608405 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0906365 0.0 0.181273 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0