condition	mean	min	max
4 h after light	14.38395	13.4571	15.3108
8 h after light	10.21992	9.81564	10.6242
12 h after light	11.940100000000001	10.6739	13.2063
4 h after dark	17.8505	16.7651	18.4212
8 h after dark	18.6826	17.6729	19.6544
12 h after dark	14.758933333333333	13.5711	15.9263