condition	mean	min	max
4 h after light	18.9027995	17.659968	20.145631
8 h after light	16.786365	15.991926	17.580804
12 h after light	15.0335665	14.577886	15.489247
4 h after dark	23.3945065	18.195226	28.593787
8 h after dark	22.3842655	19.432421	25.33611
12 h after dark	17.544402	17.544402	17.544402