condition	mean	min	max
4 h after light	12.838985000000001	9.63867	16.0393
8 h after light	17.8821	16.5462	19.218
12 h after light	23.567500000000003	20.3108	26.8242
4 h after dark	27.396	26.5595	28.2325
8 h after dark	18.2424	15.9105	20.5743
12 h after dark	15.3351	14.8445	15.8257