condition mean min max 0 h after light 0.2002735 0.0 0.400547 4 h after light 0.985535 0.0 1.97107 8 h after light 0.40129 0.395574 0.407006 4 h after dark 0.5898065 0.394239 0.785374 8 h after dark 2.1791 1.18136 3.17684 12 h after dark 0.9808429999999999 0.399296 1.56239