condition	mean	min	max
4 h after light	18.4371185	18.187633	18.686604
8 h after light	17.633352000000002	16.396246	18.870458
12 h after light	16.602391	16.10754	17.097242
4 h after dark	20.806566	19.846861	21.766271
8 h after dark	19.525835999999998	19.084893	19.966779
12 h after dark	18.689013	18.689013	18.689013