condition mean min max 0 h after light 56.81715 54.9669 58.6674 4 h after light 65.6956 62.2982 69.093 8 h after light 82.27175 81.271 83.2725 4 h after dark 78.84729999999999 63.7598 93.9348 8 h after dark 66.41615 63.7485 69.0838 12 h after dark 56.29705 54.3801 58.214