condition mean min max 4 h after light 55.9 55.9 55.9 8 h after light 95.65 74.3 117.0 12 h after light 49.35 34.3 64.4 4 h after dark 135.6 91.0 180.2 8 h after dark 101.30000000000001 9.8 192.8 12 h after dark 42.15 7.5 76.8