condition mean min max 4 h after light 365.9 365.9 365.9 8 h after light 415.45 373.4 457.5 12 h after light 340.95 224.4 457.5 4 h after dark 289.15 166.0 412.3 8 h after dark 301.45 292.7 310.2 12 h after dark 248.9 179.0 318.8