condition	mean	min	max
4 h after light	11.712900000000001	10.4863	12.9395
8 h after light	12.9162	11.9037	13.9287
12 h after light	10.056675	9.89615	10.2172
4 h after dark	17.31915	16.2294	18.4089
8 h after dark	16.6432	15.6798	17.6066
12 h after dark	18.4931	18.1128	18.8734