condition mean min max 4 h after light 109.1 109.1 109.1 8 h after light 82.80000000000001 82.4 83.2 12 h after light 100.19999999999999 85.1 115.3 4 h after dark 167.55 88.0 247.1 8 h after dark 165.8 133.1 198.5 12 h after dark 107.19999999999999 91.8 122.6