condition	mean	min	max
4 h after light	18.591673	18.243605	18.939741
8 h after light	17.9730755	16.447956	19.498195
12 h after light	19.549788	16.667054	22.432522
4 h after dark	26.7607375	17.592045	35.92943
8 h after dark	24.826384	17.647247	32.005521
12 h after dark	14.783855	14.783855	14.783855