condition mean min max 0 h after light 1.1925 1.04065 1.34435 2 h after light 0.442171 0.417002 0.46734 4 h after light 1.556235 1.48034 1.63213 8 h after light 1.714658 0.859776 2.56954 12 h after light 0.8973065 0.836148 0.958465 2 h after dark 1.467555 1.07137 1.86374 4 h after dark 2.15709 1.61529 2.69889 8 h after dark 2.520855 2.10689 2.93482 12 h after dark 1.0853375 0.888675 1.282