condition mean min max 0 h after light 2.83538 2.75687 2.91389 2 h after light 3.32932 3.11327 3.54537 4 h after light 3.5987400000000003 3.46329 3.73419 8 h after light 3.3332949999999997 2.93945 3.72714 12 h after light 6.135479999999999 6.09153 6.17943 2 h after dark 5.02206 4.48959 5.55453 4 h after dark 3.6361350000000003 3.37236 3.89991 8 h after dark 3.789625 3.66464 3.91461 12 h after dark 2.959595 2.72879 3.1904