condition	mean	min	max
4 h after light	56.34315	55.7494	56.9369
8 h after light	46.4542	44.0197	48.8887
12 h after light	49.28725	48.425	50.1495
4 h after dark	66.6263	65.6827	67.5699
8 h after dark	67.8209	67.7409	67.9009
12 h after dark	66.16105	61.8744	70.4477