condition mean min max 3 h after light 52.927 48.891 56.5351 6 h after light 52.41353333333333 44.3907 62.1087 9 h after light 59.4976 58.8551 60.1849 12 h after light 67.215225 59.9016 75.1374 3 h after dark 84.44756666666667 80.7265 86.5304 6 h after dark 79.19356666666667 77.7583 82.0176 9 h after dark 68.4134 64.6873 75.0489 12 h after dark 49.1499 45.5744 52.7254