condition mean min max 4 h after light 182.7 182.7 182.7 8 h after light 209.55 192.9 226.2 12 h after light 193.5 188.0 199.0 4 h after dark 223.5 199.3 247.7 8 h after dark 196.25 160.6 231.9 12 h after dark 184.14999999999998 167.2 201.1