condition mean min max 0 h after light 1.017585 0.0 2.03517 2 h after light 0.0 0.0 0.0 4 h after light 1.887 1.85312 1.92088 8 h after light 0.0 0.0 0.0 12 h after light 0.63291 0.0 1.26582 2 h after dark 0.677064 0.648765 0.705363 4 h after dark 0.879175 0.0 1.75835 8 h after dark 3.963775 1.78639 6.14116 12 h after dark 0.827962 0.646924 1.009