condition	mean	min	max
0 h after light	21.97555	19.3114	24.6397
4 h after light	17.5257	16.148	18.9034
8 h after light	20.7239	20.6555	20.7923
4 h after dark	21.25585	19.2171	23.2946
8 h after dark	22.29405	21.4121	23.176
12 h after dark	19.330849999999998	18.8317	19.83