condition	mean	min	max
0 h after light	31.87585	29.6187	34.133
4 h after light	36.56265	34.9173	38.208
8 h after light	30.51335	27.5863	33.4404
4 h after dark	39.10485	37.2896	40.9201
8 h after dark	31.61085	29.8416	33.3801
12 h after dark	35.4597	32.4869	38.4325