condition mean min max 4 h after light 101.6 101.6 101.6 8 h after light 156.65 152.5 160.8 12 h after light 273.85 199.3 348.4 4 h after dark 277.25 213.5 341.0 8 h after dark 209.55 173.6 245.5 12 h after dark 190.2 172.0 208.4