condition	mean	min	max
4 h after light	27.8584	24.0506	31.6662
8 h after light	20.631999999999998	19.5675	21.6965
12 h after light	16.854950000000002	16.7006	17.0093
4 h after dark	22.27	20.4857	23.6949
8 h after dark	28.408333333333335	27.863	29.0666
12 h after dark	27.616466666666668	25.2268	29.7272