condition	mean	min	max
4 h after light	20.565649999999998	16.1584	24.9729
8 h after light	19.6348	19.2674	20.0022
12 h after light	17.44305	15.7657	19.1204
4 h after dark	27.16705	20.8277	33.5064
8 h after dark	24.0009	21.9765	26.0253
12 h after dark	21.431150000000002	21.3886	21.4737