condition	mean	min	max
0 h after light	15.219650000000001	14.9136	15.5257
4 h after light	11.700949999999999	11.2869	12.115
8 h after light	17.0102	16.9158	17.1046
4 h after dark	20.08715	19.1356	21.0387
8 h after dark	15.71705	15.127	16.3071
12 h after dark	12.84545	11.9033	13.7876