condition	mean	min	max
4 h after light	12.512353333333333	3.91366	23.1674
8 h after light	8.61138	2.44991	17.2387
12 h after light	5.90005	3.44149	8.29493
4 h after dark	10.50032	5.95496	14.3773
8 h after dark	7.797386666666666	5.49482	9.19321
12 h after dark	12.569320000000001	9.02486	18.3031