condition mean min max 4 h after light 76.08815 74.7207 77.4556 8 h after light 69.13255000000001 67.7187 70.5464 12 h after light 57.35215 56.1113 58.593 4 h after dark 50.015699999999995 47.6856 52.3458 8 h after dark 56.7718 56.5183 57.0253 12 h after dark 69.80025 68.591 71.0095