condition	mean	min	max
4 h after light	3.587635	3.20202	3.97325
8 h after light	3.2967500000000003	2.91801	3.67549
12 h after light	4.40866	4.1749	4.64242
4 h after dark	5.6855400000000005	5.41521	6.00694
8 h after dark	5.13782	4.53514	5.61487
12 h after dark	3.235803333333333	3.12554	3.39227