condition	mean	min	max
4 h after light	12.58989	6.93827	16.289
8 h after light	18.22356333333333	8.02049	25.5401
12 h after light	28.9495	19.9134	41.5561
4 h after dark	28.715133333333334	18.7114	34.6995
8 h after dark	20.7542	17.3756	23.0877
12 h after dark	15.073233333333333	11.0622	18.7354