condition	mean	min	max
4 h after light	18.3979	16.1552	20.6406
8 h after light	24.28485	24.0199	24.5498
12 h after light	28.042650000000002	26.5809	29.5044
4 h after dark	28.940166666666666	25.9856	31.1249
8 h after dark	24.0691	20.9831	25.7093
12 h after dark	20.316466666666667	19.1581	21.0243