condition	mean	min	max
4 h after light	12.42435	12.0524	12.7963
8 h after light	9.775649999999999	9.5171	10.0342
12 h after light	12.0823	11.9943	12.1703
4 h after dark	17.134900000000002	15.7883	18.4815
8 h after dark	16.311	16.2375	16.3845
12 h after dark	13.9049	13.4797	14.3301