condition	mean	min	max
4 h after light	16.4009	14.9503	17.8515
8 h after light	13.36355	13.2219	13.5052
12 h after light	16.43725	14.7193	18.1552
4 h after dark	22.06645	20.281	23.8519
8 h after dark	22.678150000000002	21.401	23.9553
12 h after dark	21.3151	20.8007	21.8295