condition	mean	min	max
4 h after light	21.382350000000002	20.4736	22.2911
8 h after light	14.910699999999999	14.5865	15.2349
12 h after light	17.51325	16.7975	18.229
4 h after dark	16.445566666666668	16.1907	16.8982
8 h after dark	17.856933333333334	16.9632	18.8441
12 h after dark	20.688133333333333	20.088	21.2816