condition	mean	min	max
0 h after light	18.08625	17.1827	18.9898
4 h after light	20.3321	20.1294	20.5348
8 h after light	23.347299999999997	22.6042	24.0904
4 h after dark	25.61875	25.2172	26.0203
8 h after dark	20.145850000000003	19.7584	20.5333
12 h after dark	18.3821	17.9528	18.8114