condition	mean	min	max
4 h after light	19.140700000000002	17.0618	21.2196
8 h after light	17.9488	16.6316	19.266
12 h after light	21.8341	20.7833	22.8849
4 h after dark	24.9491	23.9612	26.0675
8 h after dark	27.808366666666668	26.7008	29.0894
12 h after dark	25.124066666666668	23.871	26.2489