condition mean min max 4 h after light 337.6 337.6 337.6 8 h after light 355.5 324.8 386.2 12 h after light 392.29999999999995 302.9 481.7 4 h after dark 309.45 284.2 334.7 8 h after dark 266.85 186.0 347.7 12 h after dark 268.55 263.1 274.0