condition	mean	min	max
4 h after light	4.929130000000001	4.8013900000000005	5.13957
8 h after light	4.883076666666667	4.75104	5.12164
12 h after light	4.70802	4.61552	4.82709
4 h after dark	4.710323333333333	4.67437	4.74225
8 h after dark	4.720903333333333	4.656540000000001	4.76112
12 h after dark	4.71953	4.52254	5.034669999999999