TomTom101

import xarray as xr
import numpy as np
import operator

airtemps = xr.tutorial.load_dataset('air_temperature')
airtemps = airtemps.sel(time=slice('2013-01-01', '2013-12-31'))
airtemps['air'] = airtemps.air - 273.15

air_day = airtemps.resample('1D', 'time', how='mean')
meets_condition = (air_day.air > 22) & (air_day.air < 30)