def stash_humidity(humidity_value):
    humidity_stash = Stash("indoor_humidity")
    humidity_data = {
        'date': datetime.datetime.utcnow().isoformat(),
        'percent': humidity_value
    }
    humidity_stash.add(humidity_data)
def stash_temperature(temperature_value):
    temperature_stash = Stash("indoor_temperature")
    temperature_data = {
        'date': datetime.datetime.utcnow().isoformat(),
        'celsius': temperature_value,
        'fahrenheit': utils.celsius_to_fahrenheit(temperature_value)
    }
    temperature_stash.add(temperature_data)
def stash_system_temperature(temperature_value):
    system_temperature_stash = Stash("system_temperature")
    system_temperature_stash.add(temperature_value)