condition	mean	min	max
4 h after light	14.481584999999999	13.105716	15.857454
8 h after light	18.507902	14.900558	22.115246
12 h after light	19.927978500000002	18.947225	20.908732
4 h after dark	21.3685285	19.874186	22.862871
8 h after dark	18.3005445	17.693862	18.907227
12 h after dark	21.937691	21.937691	21.937691