condition	mean	min	max
0 h after light	20.09555	19.331	20.8601
4 h after light	10.409980000000001	9.52366	11.2963
8 h after light	10.523	10.1283	10.9177
4 h after dark	16.8231	16.8196	16.8266
8 h after dark	16.6358	15.811	17.4606
12 h after dark	15.92415	13.9025	17.9458