condition mean min max 4 h after light 198.9 198.9 198.9 8 h after light 173.55 138.8 208.3 12 h after light 264.55 250.9 278.2 4 h after dark 209.75 181.4 238.1 8 h after dark 214.5 209.3 219.7 12 h after dark 196.89999999999998 191.6 202.2