condition mean min max 0 h after light 4.387225 3.42623 5.34822 2 h after light 2.91159 2.74586 3.07732 4 h after light 4.86262 4.35164 5.3736 8 h after light 9.533515 8.49213 10.5749 12 h after light 6.64043 5.84996 7.4309 2 h after dark 3.3859000000000004 3.06807 3.70373 4 h after dark 5.407265 3.07585 7.73868 8 h after dark 5.481450000000001 5.20253 5.76037 12 h after dark 3.75971 3.47446 4.04496