condition mean min max 4 h after light 198.7 198.7 198.7 8 h after light 152.6 94.7 210.5 12 h after light 130.3 74.4 186.2 4 h after dark 111.60000000000001 67.4 155.8 8 h after dark 78.45 77.5 79.4 12 h after dark 102.6 92.6 112.6