condition mean min max 4 h after light 1.78775 1.18566 2.38984 8 h after light 1.132361 0.968122 1.2966 12 h after light 1.6367699999999998 1.18238 2.09116 4 h after dark 2.249125 1.39787 3.10038 8 h after dark 0.6874865 0.684446 0.690527 12 h after dark 0.7423255000000001 0.339911 1.14474