condition	mean	min	max
4 h after light	19.25495	18.4445	20.0654
8 h after light	17.264650000000003	17.0757	17.4536
12 h after light	25.744500000000002	25.1334	26.3556
4 h after dark	27.22485	25.3352	29.1145
8 h after dark	32.19505	31.8549	32.5352
12 h after dark	29.791	28.0293	31.5527