condition	mean	min	max
0 h after light	15.14525	14.873	15.4175
4 h after light	18.5249	18.0158	19.034
8 h after light	25.91635	25.2607	26.572
4 h after dark	31.86765	31.2883	32.447
8 h after dark	25.658549999999998	24.9055	26.4116
12 h after dark	15.7745	14.2563	17.2927