condition mean min max 4 h after light 0.7076515 0.469325 0.945978 8 h after light 0.944357 0.862234 1.02648 12 h after light 2.451105 2.32806 2.57415 4 h after dark 3.3407600000000004 2.3862 4.29532 8 h after dark 0.5614945 0.507988 0.615001 12 h after dark 0.70101 0.594731 0.807289