condition	mean	min	max
4 h after light	31.467800000000004	30.8379	32.0977
8 h after light	52.781400000000005	49.5082	56.0546
12 h after light	65.285	65.1775	65.3925
4 h after dark	67.82346666666666	66.1202	70.1219
8 h after dark	70.60083333333333	56.0479	79.9102
12 h after dark	37.340466666666664	35.6922	38.4291