Hainan
April
04
night
+18 .. +20
wind east -1 - 1 m/s, atmospheric pressure 759-761
morning
+19 .. +21
wind east 0 - 2 m/s, atmospheric pressure 759-761
day
+25 .. +27
wind east 2 - 4 m/s, atmospheric pressure 757-759
evening
+22 .. +24
wind east 1 - 3 m/s, atmospheric pressure 755-757