condition mean min max 4 h after light 113.690507 79.242608 148.138406 8 h after light 160.49705849999998 143.753404 177.240713 12 h after light 122.75611 102.478348 143.033872 4 h after dark 114.575936 99.682737 129.469135 8 h after dark 99.4378545 92.458124 106.417585 12 h after dark 48.258875 48.258875 48.258875