condition	mean	min	max
4 h after light	7.3782049999999995	7.17077	7.58564
8 h after light	3.9016150000000005	3.79402	4.00921
12 h after light	2.472125	2.10017	2.84408
4 h after dark	2.552495	2.15783	2.94716
8 h after dark	2.45572	2.26586	2.64558
12 h after dark	3.76143	3.70451	3.81835