condition mean min max 4 h after light 3.0041906666666667 2.886757 3.120344 8 h after light 2.1224909999999997 1.478921 2.5887849999999997 12 h after light 2.2396583333333333 1.559001 2.6152919999999997 16 h after light 6.140347333333334 3.454194 11.1041 4 h after dark 10.190022 5.7643260000000005 14.91557 8 h after dark 3.7841606666666667 1.5830309999999999 4.900128