{% if airvalue is none %}
Luft: N/A
{% else %}
Luft: {{ airvalue|round(1) }}°C
({{ airtime.strftime('%Y-%m-%d %H:%M') }})
{% endif %}
Wasser: {{ watervalue|round(1) }}°C
({{ watertime.strftime('%Y-%m-%d %H:%M') }})
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