condition mean min max 4 h after light 993.8474415000001 969.462826 1018.232057 8 h after light 1037.6311945 798.917261 1276.345128 12 h after light 893.392372 701.896501 1084.888243 4 h after dark 1629.0466435 844.438153 2413.655134 8 h after dark 1269.732121 815.686566 1723.777676 12 h after dark 1525.462826 1525.462826 1525.462826