condition mean min max 4 h after light 0.03185035 0.0191918 0.0445089 8 h after light 0.03041505 0.0 0.0608301 12 h after light 0.0157497 0.0 0.0314994 4 h after dark 0.08784979999999999 0.0420175 0.171501 8 h after dark 0.03708773333333333 0.0 0.0890352 12 h after dark 0.1302367 0.0305307 0.308381