condition	mean	min	max
4 h after light	15.4667745	10.889502	20.044047
8 h after light	16.977165	15.432386	18.521944
12 h after light	20.1193485	15.626202	24.612495
4 h after dark	26.2126645	24.0004	28.424929
8 h after dark	27.042273	23.404277	30.680269
12 h after dark	34.709179	34.709179	34.709179