Frequency tables 1981-2000

Frequency tables for various meteorological quantities for various KNMI observation stations, for the period 1991-2020. The frequency tables describe, among other things, wind direction, wind speed, sunshine duration, temperature and humidity.

The tables consist of hourly data, grouped into hourly blocks (columns) and classes (rows). All tables are available in four different formats. Two with distributive data, in which the associated frequency is given for each hourly block per class, and two with cumulative data, in which the sum of the frequencies of this and all the above classes is given for each hourly block per class. Of both the distributive and cumulative variants, there is one in which the frequencies are given as exact numbers of observations, and one in which the frequencies are given as a percentage of the total number of observations per hourly block.