condition mean min max 0 h after light 0.8051005 0.423181 1.18702 4 h after light 0.586918 0.172476 1.00136 8 h after light 0.295491 0.172309 0.418673 4 h after dark 1.0004405 0.498741 1.50214 8 h after dark 0.8805085 0.500137 1.26088 12 h after dark 0.4152485 0.169045 0.661452