condition	mean	min	max
4 h after light	27.4502	26.8879	28.0125
8 h after light	18.63865	17.9056	19.3717
12 h after light	20.12385	18.9008	21.3469
4 h after dark	26.28095	25.4597	27.1022
8 h after dark	37.306250000000006	37.0433	37.5692
12 h after dark	43.6359	42.9112	44.3606