condition	mean	min	max
4 h after light	22.8627	21.5503	24.1751
8 h after light	20.23835	19.482	20.9947
12 h after light	15.5698	13.5296	17.61
4 h after dark	24.329433333333334	23.0366	26.698
8 h after dark	15.8008	14.7849	17.0404
12 h after dark	23.593066666666665	22.0457	25.9953