condition mean min max 0 h after light 80.17815 78.7376 81.6187 2 h after light 57.734750000000005 49.6921 65.7774 4 h after light 30.75605 26.6684 34.8437 8 h after light 20.67085 19.0797 22.262 12 h after light 31.980249999999998 29.9 34.0605 2 h after dark 28.98885 19.5464 38.4313 4 h after dark 31.37755 29.4325 33.3226 8 h after dark 47.079350000000005 40.216 53.9427 12 h after dark 84.47955 81.9706 86.9885