condition	mean	min	max
0 h after light	18.4022	18.128	18.6764
4 h after light	15.12345	13.9729	16.274
8 h after light	31.1533	29.6309	32.6757
4 h after dark	25.2158	23.8317	26.5999
8 h after dark	21.27505	20.9405	21.6096
12 h after dark	15.20575	14.5867	15.8248