condition mean min max 0 h after light 0.1295985 0.0 0.259197 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.1479345 0.0 0.295869 2 h after dark 0.5569735 0.533694 0.580253 4 h after dark 0.129272 0.0 0.258544 8 h after dark 0.2915365 0.0 0.583073 12 h after dark 0.138339 0.0 0.276678