condition mean min max 4 h after light 97.347 94.499 100.195 8 h after light 83.43725 80.9591 85.9154 12 h after light 71.06184999999999 67.9213 74.2024 4 h after dark 63.663833333333336 62.2929 65.8443 8 h after dark 64.7332 60.9941 66.7604 12 h after dark 90.6856 87.8898 96.0888