condition	mean	min	max
4 h after light	18.1731655	16.561597	19.784734
8 h after light	20.998868	17.74604	24.251696
12 h after light	63.596737	18.269109	108.924365
4 h after dark	20.977304	18.429644	23.524964
8 h after dark	29.022376	28.267088	29.777664
12 h after dark	17.054101	17.054101	17.054101