condition	mean	min	max
4 h after light	17.3449	14.149	20.5408
8 h after light	11.5933	11.2671	11.9195
12 h after light	16.5828	15.5488	17.6168
4 h after dark	29.59845	28.2902	30.9067
8 h after dark	26.478099999999998	26.1982	26.758
12 h after dark	24.995449999999998	24.7008	25.2901