12:44:41	 From Alexander Baklanov (WMO) : Thanks for a nice study! Did you try to combine the KF with the Kolmogorov-Zurbenko filter to correct biases? I suppose the moving average is something like Kolmogorov-Zurbenko filter?
12:44:55	 From xiaohua yang, DMI : Xiaohua
12:50:51	 From Andrea  N. Hahmann : How about other variables? Would that improved the corrections?