condition	mean	min	max
4 h after light	25.51405	23.2575	27.7706
8 h after light	13.3277	12.6183	14.0371
12 h after light	10.306740000000001	9.05498	11.5585
4 h after dark	8.744810000000001	7.68079	9.80883
8 h after dark	10.87715	10.5302	11.2241
12 h after dark	17.85485	17.6683	18.0414