condition	mean	min	max
4 h after light	20.419	18.105	22.733
8 h after light	20.424750000000003	19.8913	20.9582
12 h after light	21.54825	21.1288	21.9677
4 h after dark	35.4105	34.2436	37.024
8 h after dark	38.66546666666667	34.9916	42.0825
12 h after dark	27.676666666666666	24.2227	32.1259