condition mean min max 4 h after light 11.957246 11.957246 11.957246 8 h after light 11.757657 11.558068 11.957246 12 h after light 13.4524975 12.917577 13.987418 4 h after dark 11.3360585 10.236547 12.43557 8 h after dark 14.916402000000001 12.561023 17.271781 12 h after dark 10.999777 10.999777 10.999777