condition	mean	min	max
4 h after light	5.535005	5.00362	6.06639
8 h after light	7.75868	7.61823	7.89913
12 h after light	8.068615000000001	7.4284	8.70883
4 h after dark	14.952850000000002	13.7721	16.1336
8 h after dark	10.845099999999999	10.4513	11.2389
12 h after dark	9.253005	9.18918	9.31683