potsdam: Example data from the Potsdam weather station

In iki.dataclim: Consistency, Homogeneity and Summary Statistics of Climatological Data

Description

The potsdam data frame contains daily data of maximum, average and minimum air temperature, precipitation and air pressure (1979-2013) from the weather station at Potsdam, Germany

Usage

data(potsdam)

Format

This data frame contains the following columns:

date

a character vector; calendar date (yyyy-mm-dd)

tmax

a numeric vector; daily maximum air temperature in deg. C

tavg

a numeric vector; daily average air temperature in deg. C

tmin

a numeric vector; daily minimum air temperature in deg. C

prec

a numeric vector; daily precipitation in mm

press

a numeric vector; daily air pressure in hPa

Details

The original data comes from ECA&D (see link below) and was assembled into a readable csv file. Note that this data must not be used for commercial purposes, see http://eca.knmi.nl/documents/ECAD_datapolicy.pdf. Quote from the document: "These data, which include many GCOS-defined Essential Climate Variables (ECVs) for the atmosphere near the surface, are strictly for use in non-commercial research and education projects only."

Source

http://eca.knmi.nl/dailydata/customquery.php

Examples

data(potsdam)
names(potsdam)
head(potsdam)
str(potsdam)

Example output

[1] "date"  "tmax"  "tavg"  "tmin"  "prec"  "press"
        date tmax  tavg  tmin prec  press
1 1979-01-01 -8.2 -14.3 -19.2  0.1 1008.4
2 1979-01-02 -7.8 -10.1 -13.1  0.0 1017.3
3 1979-01-03 -6.3  -8.6 -11.4  0.6 1015.7
4 1979-01-04 -7.5 -10.1 -12.5  0.4 1013.8
5 1979-01-05 -9.5 -12.5 -15.9  0.0 1024.3
6 1979-01-06 -9.0 -12.8 -14.4  0.0 1033.1
'data.frame':	12784 obs. of  6 variables:
 $ date : Factor w/ 12784 levels "1979-01-01","1979-01-02",..: 1 2 3 4 5 6 7 8 9 10 ...
 $ tmax : num  -8.2 -7.8 -6.3 -7.5 -9.5 -9 -2.4 0.6 0.7 1.7 ...
 $ tavg : num  -14.3 -10.1 -8.6 -10.1 -12.5 -12.8 -8.9 -0.2 0.3 -0.4 ...
 $ tmin : num  -19.2 -13.1 -11.4 -12.5 -15.9 -14.4 -17.3 -2.4 0 -2 ...
 $ prec : num  0.1 0 0.6 0.4 0 0 2.3 1.3 4.9 0 ...
 $ press: num  1008 1017 1016 1014 1024 ...

iki.dataclim documentation built on May 2, 2019, 2:38 a.m.