condition	mean	min	max
4 h after light	31.6118	30.3709	32.8527
8 h after light	15.70685	12.5049	18.9088
12 h after light	5.859	4.57443	7.14357
4 h after dark	9.75717	9.61034	9.904
8 h after dark	9.399004999999999	9.38686	9.41115
12 h after dark	24.78695	21.1063	28.4676