condition	mean	min	max
4 h after light	4.39748	4.3022599999999995	4.49765
8 h after light	4.424176666666667	4.35344	4.5267599999999995
12 h after light	4.32853	4.287319999999999	4.35098
4 h after dark	4.487776666666667	4.42605	4.58821
8 h after dark	4.437426666666666	4.40231	4.46047
12 h after dark	4.468063333333333	4.32718	4.64464