condition	mean	min	max
3 h after light	18.335175	14.1228	26.0219
7 h after light	15.39085	11.3675	20.6364
11 h after light	20.96765	16.2599	25.7596
2 h after dark	22.487883333333333	18.0114	29.0736
6 h after dark	21.00958333333333	14.7335	27.0809
10 h after dark	21.083283333333334	14.5887	29.6607