STATIONS_ID	Messdatum_Beginn	Messdatum_Ende	Monatsmittel_Lufttemperatur	Gruppe
4931	19530701	19530731	17.83	1
4931	19540701	19540731	15.22	1
4931	19550701	19550731	17.44	1
4931	19560701	19560731	17.41	1
4931	19570701	19570731	18.34	1
4931	19580701	19580731	17.96	1
4931	19590701	19590731	20.05	1
4931	19600701	19600731	15.74	1
4931	19610701	19610731	16.22	1
4931	19620701	19620731	16.64	1
4931	19630701	19630731	18.72	1
4931	19640701	19640731	20.2	1
4931	19650701	19650731	16.24	1
4931	19660701	19660731	16.24	1
4931	19670701	19670731	20.15	1
4931	19680701	19680731	16.98	1
4931	19690701	19690731	19.45	1
4931	19700701	19700731	17.54	1
4931	19710701	19710731	20.12	1
4931	19720701	19720731	18.29	1
4931	19730701	19730731	17.16	1
4931	19740701	19740731	16.68	1
4931	19750701	19750731	18.02	1
4931	19760701	19760731	19.86	1
4931	19770701	19770731	17.68	1
4931	19780701	19780731	16.5	1
4931	19790701	19790731	16.98	1
4931	19800701	19800731	15.38	1
4931	19810701	19810731	16.98	1
4931	19820701	19820731	19.55	1
4931	19900701	19900731	17.74	2
4931	19910701	19910731	20.1	2
4931	19920701	19920731	18.9	2
4931	19930701	19930731	17.37	2
4931	19940701	19940731	21.85	2
4931	19950701	19950731	21.23	2
4931	19960701	19960731	17.28	2
4931	19970701	19970731	17.19	2
4931	19980701	19980731	18	2
4931	19990701	19990731	19.34	2
4931	20000701	20000731	16.3	2
4931	20010701	20010731	19.03	2
4931	20020701	20020731	17.93	2
4931	20030701	20030731	19.88	2
4931	20040701	20040731	18.27	2
4931	20050701	20050731	18.49	2
4931	20060701	20060731	22.53	2
4931	20070701	20070731	18.17	2
4931	20080701	20080731	18.65	2
4931	20090701	20090731	18.8	2
4931	20100701	20100731	20.83	2
4931	20110701	20110731	16.82	2
4931	20120701	20120731	18.5	2
4931	20130701	20130731	20.89	2
4931	20140701	20140731	19.38	2
4931	20150701	20150731	21.97	2
4931	20160701	20160731	20	2
4931	20170701	20170731	19.72	2
4931	20180701	20180731	21.31	2
4931	20190701	20190731	20.5	2