condition mean min max 4 h after light 271.1905 263.9534 280.4374 8 h after light 246.43806666666666 210.4989 311.7933 12 h after light 262.43666666666667 196.717 324.1472 16 h after light 313.785 274.5496 366.0281 4 h after dark 388.8547 358.5345 415.8442 8 h after dark 250.6539 187.3189 319.8603