condition	mean	min	max
4 h after light	17.251399999999997	17.1516	17.3512
8 h after light	17.35295	17.05	17.6559
12 h after light	15.7826	14.3171	17.2481
4 h after dark	21.636166666666668	19.0323	25.1177
8 h after dark	24.130766666666666	22.0645	27.0146
12 h after dark	20.4975	19.0441	21.7201