condition	mean	min	max
4 h after light	16.8496925	15.703406	17.995979
8 h after light	15.749818999999999	15.703406	15.796232
12 h after light	15.083538	14.46367	15.703406
4 h after dark	14.955541499999999	14.810246	15.100837
8 h after dark	16.696902	15.072933	18.320871
12 h after dark	14.108398	14.108398	14.108398