Tokyo is getting warmer slightly??? Average Temperature & Atmospheric Pressure in Tokyo, 1989-2011

The following table shows average temperature and sea level average atmospheric pressure in Tokyo, from 1989 to 2011. In terms of 2011, I added monthly data.

Year	Average atmospheric pressure (sea level)	Average Temperature	Average highs	Average lows
	hPa	℃	℃	℃
1989	1014.5	16.4	19.9	13.2
1990	1014.8	17.0	20.6	13.8
1991	1013.6	16.4	19.8	13.2
1992	1014.1	16.0	19.6	12.7
1993	1013.9	15.5	19.0	12.3
1994	1013.8	16.9	20.5	13.5
1995	1013.2	16.3	20.1	13.0
1996	1013.9	15.8	19.7	12.3
1997	1013.7	16.7	20.6	13.2
1998	1014.6	16.7	20.5	13.4
1999	1013.6	17.0	20.9	13.6
2000	1013.4	16.9	20.6	13.6
2001	1013.3	16.5	20.4	13.1
2002	1013.4	16.7	20.5	13.4
2003	1014.4	16.0	19.6	12.8
2004	1014.3	17.3	21.3	13.9
2005	1012.8	16.2	20.0	12.8
2006	1013.8	16.4	19.9	13.4
2007	1013.6	17.0	20.7	13.7
2008	1014.0	16.4	20.1	13.3
2009	1013.3	16.7	20.2	13.6
2010	1014.1	16.9	20.7	13.6
2011	1014.0	16.5	20.3	13.1

Jan.	1013.6	5.1	9.1	1.5
Feb.	1018.1	7.0	11.2	3.2
Mar.	1015.0	8.1	12.3	4.0
Apr.	1013.3	14.5	18.9	10.3
May	1011.8	18.5	22.2	15.0
June	1009.6	22.8	26.0	19.9
July	1008.6	27.3	30.9	24.5
Aug.	1010.6	27.5	31.2	24.6
Sept.	1011.9	25.1	28.8	22.0
Oct.	1017.9	19.5	23.0	16.5
Nov.	1019.7	14.9	18.3	11.7
Dec.	1017.8	7.5	11.1	4.2