condition	mean	min	max
0 h after light	15.83195	15.3655	16.2984
4 h after light	17.91965	15.6993	20.14
8 h after light	20.38945	19.1935	21.5854
4 h after dark	16.0912	12.1204	20.062
8 h after dark	14.090250000000001	10.6304	17.5501
12 h after dark	15.4622	14.8542	16.0702