condition mean min max 4 h after light 261.2989905 250.14133 272.456651 8 h after light 315.1792905 313.049601 317.30898 12 h after light 223.508251 193.260512 253.75599 4 h after dark 200.583459 199.16563 202.001288 8 h after dark 198.6483825 156.159877 241.136888 12 h after dark 118.958144 118.958144 118.958144