condition	mean	min	max
0 h after light	15.79075	15.652	15.9295
4 h after light	12.87575	12.7755	12.976
8 h after light	15.351199999999999	13.9244	16.778
4 h after dark	18.77545	17.6149	19.936
8 h after dark	21.4302	20.5757	22.2847
12 h after dark	13.5567	13.1409	13.9725