condition	mean	min	max
0 h after light	31.288	31.049	31.527
4 h after light	20.243299999999998	18.1346	22.352
8 h after light	6.983055	6.87087	7.09524
4 h after dark	14.904800000000002	14.2527	15.5569
8 h after dark	13.7246	13.2398	14.2094
12 h after dark	33.540800000000004	29.7549	37.3267