condition mean min max 0 h after light 0.7906575 0.607531 0.973784 4 h after light 1.216015 1.11425 1.31778 8 h after light 0.6698500000000001 0.61843 0.72127 4 h after dark 1.016463 0.954676 1.07825 8 h after dark 0.9593640000000001 0.482708 1.43602 12 h after dark 0.9575290000000001 0.728058 1.187