condition	mean	min	max
4 h after light	37.5555	35.8819	39.2291
8 h after light	22.477649999999997	21.8038	23.1515
12 h after light	18.49785	17.3009	19.6948
4 h after dark	21.6004	20.8771	22.3237
8 h after dark	24.4687	23.2063	25.7311
12 h after dark	31.6292	31.2894	31.969