condition mean min max 4 h after light 1.235095 1.04715 1.42304 8 h after light 1.61387 1.51968 1.70806 12 h after light 2.22257 1.82694 2.6182 4 h after dark 2.9232933333333335 1.26163 4.06761 8 h after dark 1.3824306433333333 1.93e-06 2.16115 12 h after dark 1.5204133361533334 8.46e-09 3.07146