condition	mean	min	max
4 h after light	19.152	19.139	19.165
8 h after light	22.6831	22.1216	23.2446
12 h after light	23.28035	22.9313	23.6294
4 h after dark	29.5372	26.6519	32.4225
8 h after dark	24.7378	24.6663	24.8093
12 h after dark	25.5541	24.286	26.8222