condition mean min max 4 h after light 315.6 315.6 315.6 8 h after light 317.20000000000005 246.8 387.6 12 h after light 379.55 370.3 388.8 4 h after dark 470.75 385.6 555.9 8 h after dark 391.6 311.7 471.5 12 h after dark 325.25 236.0 414.5