condition	mean	min	max
4 h after light	5.437916666666666	5.40987	5.482559999999999
8 h after light	5.537273333333333	5.49608	5.585319999999999
12 h after light	5.92645	5.7196	6.16286
4 h after dark	5.862563333333334	5.743530000000001	6.08649
8 h after dark	5.53514	5.4043	5.6091
12 h after dark	5.2212000000000005	5.12014	5.31165