condition	mean	min	max
4 h after light	20.179299999999998	19.2337	21.1249
8 h after light	21.88465	20.5949	23.1744
12 h after light	20.41285	19.3481	21.4776
4 h after dark	27.97055	22.9137	33.0274
8 h after dark	27.37265	27.0262	27.7191
12 h after dark	23.3353	22.4852	24.1854