condition	mean	min	max
4 h after light	16.4769	15.321	17.6328
8 h after light	15.013200000000001	14.4275	15.5989
12 h after light	17.86265	15.8253	19.9
4 h after dark	22.72775	22.6625	22.793
8 h after dark	20.19295	20.0766	20.3093
12 h after dark	18.9834	18.7301	19.2367