condition	mean	min	max
4 h after light	17.1391425	16.28323	17.995055
8 h after light	16.618979	15.298716	17.939242
12 h after light	16.366509	13.176849	19.556169
4 h after dark	25.1352665	21.374122	28.896411
8 h after dark	21.844125	17.939242	25.749008
12 h after dark	14.858034	14.858034	14.858034