condition	mean	min	max
4 h after light	5.4030000000000005	5.14289	5.61355
8 h after light	5.5343366666666665	5.297540000000001	5.72981
12 h after light	5.75598	5.5912	5.86307
4 h after dark	5.798443333333333	5.59954	6.02874
8 h after dark	5.62323	5.41729	5.83265
12 h after dark	5.582116666666667	5.5357400000000005	5.67181