condition	mean	min	max
3 h after light	18.451585833333333	7.89644	26.2509
7 h after light	17.112893333333332	9.81442	29.852
11 h after light	15.0640925	7.05205	24.2097
2 h after dark	15.5770975	7.842	25.2088
6 h after dark	16.99264	9.71288	25.8996
10 h after dark	19.8924625	9.64565	30.8356