condition	mean	min	max
4 h after light	187.97750000000002	187.717	188.238
8 h after light	182.0755	175.705	188.446
12 h after light	167.63299999999998	164.771	170.495
4 h after dark	271.0175	261.806	280.229
8 h after dark	279.84000000000003	275.082	284.598
12 h after dark	267.041	265.131	268.951