condition	mean	min	max
4 h after light	5.4146600000000005	5.1759	5.78254
8 h after light	5.55656	5.3487800000000005	5.77837
12 h after light	5.19079	5.109719999999999	5.2626800000000005
4 h after dark	5.523573333333333	5.29504	5.76013
8 h after dark	5.549136666666667	5.40681	5.69639
12 h after dark	5.58353	5.27339	5.98263