condition mean min max 4 h after light 0.772998 0.0 1.7167 8 h after light 2.007391 0.264803 3.73889 12 h after light 1.6003 0.63965 2.31822 4 h after dark 2.363863333333333 1.47793 2.90238 8 h after dark 0.5750500000000001 0.430908 0.647402 12 h after dark 1.130805 0.510525 1.66846