condition	mean	min	max
0 h after light	20.05385	19.1639	20.9438
4 h after light	20.95635	16.2573	25.6554
8 h after light	18.8646	16.869	20.8602
4 h after dark	41.73495	38.868	44.6019
8 h after dark	25.21435	24.6552	25.7735
12 h after dark	22.3074	14.648	29.9668