condition	mean	min	max
4 h after light	12.122800000000002	11.1681	13.0775
8 h after light	14.26245	13.2877	15.2372
12 h after light	20.19295	19.8445	20.5414
4 h after dark	26.591549999999998	23.7944	29.3887
8 h after dark	20.10135	19.1568	21.0459
12 h after dark	16.129800000000003	16.0086	16.251