condition mean min max 4 h after light 336.4 336.4 336.4 8 h after light 339.65 307.8 371.5 12 h after light 300.15 275.6 324.7 4 h after dark 338.85 324.3 353.4 8 h after dark 451.5 366.2 536.8 12 h after dark 458.6 450.4 466.8