condition	mean	min	max
4 h after light	5.16499	5.07948	5.21641
8 h after light	5.138933333333333	5.06025	5.23612
12 h after light	4.983996666666667	4.818230000000001	5.169490000000001
4 h after dark	5.0651	5.012230000000001	5.1170800000000005
8 h after dark	5.010796666666667	4.74784	5.1993599999999995
12 h after dark	5.044106666666667	4.89492	5.12632