condition mean min max 4 h after light 1.238224 0.615508 1.86094 8 h after light 1.3027220000000002 0.777204 1.82824 12 h after light 1.121088 0.613806 1.62837 4 h after dark 1.4869949999999998 1.34124 1.63275 8 h after dark 0.8030079999999999 0.799457 0.806559 12 h after dark 0.5989599999999999 0.52937 0.66855