- platform: statistics
  entity_id: sensor.coronavirus_totals_normalised
  sampling_size: 200000
  state_characteristic: mean
  max_age:
    days: 1
  name: "Coronavirus Statistics"
- platform: template
  sensors:
    coronavirus_totals_normalised:
      friendly_name: "NZ Coronavirus Totals (Normalised)"
      value_template: >
        {% set new_state = states('sensor.new_zealand_coronavirus_confirmed') | float %}
        {% if new_state >= states('input_number.new_zealand_coronavirus_confirmed_previous_value') | float %}
          {{ new_state }}
        {% else %}
          {{ states('input_number.new_zealand_coronavirus_confirmed_previous_value') | float }}
        {% endif %}