condition	mean	min	max
4 h after light	13.0766	11.8213	14.3319
8 h after light	18.911	18.4116	19.4104
12 h after light	26.784950000000002	25.066	28.5039
4 h after dark	29.8976	28.207	31.5882
8 h after dark	28.344250000000002	28.0501	28.6384
12 h after dark	22.75085	21.4569	24.0448