condition mean min max 4 h after light 1894.7966666666669 1770.9820000000002 2035.4260000000002 8 h after light 498.0899 248.7337 799.9455 12 h after light 571.4847 376.6788 939.4268 16 h after light 1842.572 751.1841 3946.4309999999996 4 h after dark 402.18693333333334 303.6813 452.6923 8 h after dark 806.5495333333333 687.5431 982.3251