Time period for instantaneous measurements Air Velocity | Time period for continues measurements Air Temperature Relative Humidity | Period | Modern City + No. of Outdoors | Old Sana’a + No. of Outdoors |
2009/12/20 - 17/01/2010 | 2009/12/07 - 2010/02/07 | Winter | Tourism City Sheraton 3 Outdoors | Al-Jala’a 4 Outdoors |