condition	mean	min	max
4 h after light	15.649000000000001	14.9341	16.3639
8 h after light	16.26515	15.0119	17.5184
12 h after light	20.86475	17.6785	24.051
4 h after dark	27.460250000000002	26.6247	28.2958
8 h after dark	24.4892	24.0243	24.9541
12 h after dark	20.78165	19.7489	21.8144