condition	mean	min	max
0 h after light	19.79195	19.2562	20.3277
4 h after light	16.305500000000002	15.311	17.3
8 h after light	15.8901	15.597	16.1832
4 h after dark	20.27205	19.3951	21.149
8 h after dark	19.146050000000002	18.9192	19.3729
12 h after dark	21.3854	20.0252	22.7456