condition mean min max 4 h after light 4.913783333333334 4.85695 4.96915 8 h after light 4.964626666666667 4.80087 5.175330000000001 12 h after light 4.807693333333334 4.73621 4.950130000000001 4 h after dark 4.84373 4.79038 4.9284300000000005 8 h after dark 4.878773333333333 4.87132 4.887 12 h after dark 4.89178 4.75957 5.12885