condition	mean	min	max
4 h after light	20.068333333333335	16.19799	22.19416
8 h after light	18.685543333333335	13.18346	24.35745
12 h after light	20.312520000000003	17.960520000000002	23.64619
16 h after light	18.23858	15.29055	22.51775
4 h after dark	18.983713333333334	16.47283	20.31915
8 h after dark	17.519746666666666	12.96159	21.377129999999998