condition	mean	min	max
4 h after light	14.19674	10.32358	17.07921
8 h after light	4.607628333333333	1.948351	6.935757000000001
12 h after light	6.884942000000001	5.056941	8.526447000000001
16 h after light	15.067963333333333	11.44939	21.79795
4 h after dark	37.32208333333334	32.95374	41.52884
8 h after dark	22.634176666666665	18.4357	30.919109999999996