condition	mean	min	max
4 h after light	16119.0	14727.53	17040.68
8 h after light	10271.821333333333	5558.714	15131.11
12 h after light	8744.837666666666	7078.454000000001	10827.92
16 h after light	11984.233333333334	10063.47	15216.59
4 h after dark	14818.560000000001	14157.45	15228.11
8 h after dark	13545.056666666665	11146.47	17337.48