condition	mean	min	max
0 h after light	15.5067	14.4073	16.6061
4 h after light	13.553	13.3449	13.7611
8 h after light	16.20515	13.8762	18.5341
4 h after dark	19.884700000000002	19.1511	20.6183
8 h after dark	21.762900000000002	21.3255	22.2003
12 h after dark	17.37505	16.9944	17.7557