condition	mean	min	max
0 h after light	27.282600000000002	26.8797	27.6855
4 h after light	9.52911	7.39412	11.6641
8 h after light	9.79081	9.77373	9.80789
4 h after dark	51.53995	50.3563	52.7236
8 h after dark	32.6833	31.4333	33.9333
12 h after dark	28.011699999999998	23.02	33.0034