condition	mean	min	max
4 h after light	20.4177	16.7222	24.1132
8 h after light	22.4461	22.2385	22.6537
12 h after light	26.6633	24.5384	28.7882
4 h after dark	35.46326666666667	34.5586	36.3556
8 h after dark	32.1136	31.2769	33.3099
12 h after dark	26.917566666666666	26.1702	27.9461