condition mean min max 4 h after light 365.1 365.1 365.1 8 h after light 384.95 382.0 387.9 12 h after light 347.2 312.0 382.4 4 h after dark 391.25 301.0 481.5 8 h after dark 313.85 283.8 343.9 12 h after dark 344.75 343.3 346.2