def update_min_temp():
global unit
ts, val = dbops.calcDayMinimum("temperature")
ui.temp_unit_4.setText('degC')
if (unit == 1):
val = sensorRead.todegF(val)
ui.temp_unit_4.setText('degF')
ui.min_temp.setText(str(round(val, 2)))
ui.min_temp_ts.setText(ts.strftime('%b-%d-%Y %H:%M:%S'))
def update_min_hum():
ts, val = dbops.calcDayMinimum("humidity")
ui.min_hum.setText(str(round(val, 2)))
ui.min_hum_ts.setText(ts.strftime('%b-%d-%Y %H:%M:%S'))