condition	mean	min	max
4 h after light	19.44295	19.0601	19.8258
8 h after light	14.82785	14.2099	15.4458
12 h after light	19.764400000000002	19.7006	19.8282
4 h after dark	32.2452	32.2317	32.2587
8 h after dark	38.5958	38.2532	38.9384
12 h after dark	33.66855	33.0275	34.3096