condition mean min max 4 h after light 93.5 93.5 93.5 8 h after light 166.60000000000002 142.9 190.3 12 h after light 130.25 88.7 171.8 4 h after dark 175.6 166.1 185.1 8 h after dark 153.45 91.9 215.0 12 h after dark 167.15 138.8 195.5