condition mean min max 4 h after light 600.1951695 486.557751 713.832588 8 h after light 562.503595 520.243064 604.764126 12 h after light 512.0090045 480.539749 543.47826 4 h after dark 412.79830649999997 384.943212 440.653401 8 h after dark 466.55489 387.367546 545.742234 12 h after dark 310.295623 310.295623 310.295623