condition	mean	min	max
4 h after light	12.338049999999999	11.0165	13.6596
8 h after light	15.932099999999998	15.8406	16.0236
12 h after light	17.94755	17.584	18.3111
4 h after dark	26.643549999999998	26.4118	26.8753
8 h after dark	20.06375	20.0518	20.0757
12 h after dark	17.2258	16.8226	17.629