condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.061963649999999995 0.0476986 0.0762287 12 h after light 0.02779255 0.0 0.0555851 4 h after dark 0.044826 0.0 0.134478 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0