condition mean min max 4 h after light 165.5456355 161.538087 169.553184 8 h after light 180.277264 164.78167 195.772858 12 h after light 390.230138 90.036239 690.424037 4 h after dark 459.45901950000007 345.353038 573.565001 8 h after dark 580.63331 443.674551 717.592069 12 h after dark 75.340885 75.340885 75.340885