potsdam: Example data from the Potsdam weather station

Description Usage Format Details Source Examples

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

1

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

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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 29, 2017, 3:49 p.m.