condition mean min max 0 h after light 1.939505 1.48349 2.39552 2 h after light 0.8103355 0.371531 1.24914 4 h after light 1.480745 1.45416 1.50733 8 h after light 1.3390885 0.763117 1.91506 12 h after light 0.3979155 0.372486 0.423345 2 h after dark 1.81811 1.14545 2.49077 4 h after dark 2.35067 1.84969 2.85165 8 h after dark 2.465705 2.01139 2.92002 12 h after dark 1.9264000000000001 1.18766 2.66514