condition mean min max 4 h after light 123.4 123.4 123.4 8 h after light 196.35000000000002 126.6 266.1 12 h after light 172.5 164.4 180.6 4 h after dark 156.45 120.9 192.0 8 h after dark 136.14999999999998 112.6 159.7 12 h after dark 196.3 175.4 217.2