condition mean min max 4 h after light 18.9 18.9 18.9 8 h after light 83.75 48.0 119.5 12 h after light 45.599999999999994 19.1 72.1 4 h after dark 15.5 11.7 19.3 8 h after dark 78.9 27.4 130.4 12 h after dark 97.64999999999999 12.2 183.1