condition	mean	min	max
4 h after light	16.520601	15.759176	17.282026
8 h after light	16.855319	15.273495	18.437143
12 h after light	20.1832125	18.36917	21.997255
4 h after dark	23.096218999999998	21.866235	24.326203
8 h after dark	20.1891015	18.260526	22.117677
12 h after dark	18.260526	18.260526	18.260526