condition mean min max 4 h after light 3.4456583333333337 3.315729 3.6040050000000003 8 h after light 3.410174 1.595932 5.88095 12 h after light 1.6022626666666668 1.3978540000000002 1.8007090000000001 16 h after light 3.347897 3.042612 3.773828 4 h after dark 2.9993866666666666 2.426688 3.3526239999999996 8 h after dark 1.744977 1.612793 1.854861