condition mean min max 4 h after light 0.9291564999999999 0.544423 1.31389 8 h after light 0.6557919999999999 0.501501 0.810083 12 h after light 1.11811 1.0611 1.17512 4 h after dark 1.03636 0.90477 1.12488 8 h after dark 1.0921616666666667 0.968185 1.19695 12 h after dark 0.7472306666666667 0.61708 0.820123