condition	mean	min	max
0 h after light	20.969099999999997	20.7003	21.2379
4 h after light	3.4152750000000003	3.1606	3.66995
8 h after light	3.32517	2.96655	3.68379
4 h after dark	11.130099999999999	10.2564	12.0038
8 h after dark	5.605405	4.62108	6.58973
12 h after dark	25.65575	19.457	31.8545