condition mean min max 4 h after light 140.6 140.6 140.6 8 h after light 134.85 105.6 164.1 12 h after light 129.1 116.2 142.0 4 h after dark 149.15 123.5 174.8 8 h after dark 204.35000000000002 168.3 240.4 12 h after dark 166.05 133.3 198.8