Detailed Pressure Data

Current
Measure Value
Pressure 1018 hPa
Pressure Trend +0 hPa /hr
24hr Mean Pressure 1020 hPa
Recent Averages and Extremes
Measure Today Yesterday
Minimum 1018 hPa
00:02
1018 hPa
19:39
Maximum 1018 hPa
00:07
1022 hPa
00:17
Mean 1018 hPa
1020 hPa
Last 6hrs  LondonPressure31-day chart of mean LondonPressure 31-day chart of min LondonPressure 31-day chart of max LondonPressure
Averages, Extremes and Records
Current Station Lifetime (09-19)
Measure 7-day Month 31-day Year 365-day Overall July 17th Jul
Lowest
Min
1012 hPa
11th
1012 hPa
11th
1007 hPa
19th
984 hPa
1st Feb
984 hPa
1st Feb
966 hPa
8th Nov 2010
993 hPa
Day 17, 2011
993 hPa
2011
Highest
Max
1025 hPa
14th
1029 hPa
3rd
1031 hPa
27th
1044 hPa
2nd Jan
1044 hPa
2nd Jan
1046 hPa
27th Dec 2016
1034 hPa
Day 8, 2013
1025 hPa
2010
Highest
Min
1023 hPa
14th
1027 hPa
3rd
1028 hPa
27th
1043 hPa
3rd Jan
1043 hPa
3rd Jan
1043 hPa
3rd Jan 2019
1030 hPa
Day 7, 2013
1021 hPa
2013
Lowest
Max
1016 hPa
11th
1016 hPa
11th
1011 hPa
19th
997 hPa
1st Feb
996 hPa
10th Nov
981 hPa
30th Jan 2015
996 hPa
Day 17, 2011
996 hPa
2011
Lowest
Mean
1014 hPa
11th
1014 hPa
11th
1009 hPa
19th
989 hPa
1st Feb
989 hPa
1st Feb
976 hPa
23rd Jan 2009
994 hPa
Day 17, 2011
994 hPa
2011
Highest
Mean
1024 hPa
14th
1028 hPa
3rd
1030 hPa
27th
1043 hPa
3rd Jan
1043 hPa
3rd Jan
1044 hPa
27th Dec 2016
1032 hPa
Day 8, 2013
1024 hPa
2013
Averages                
Mean 1020 hPa 1021 hPa 1020 hPa 1017 hPa 1017 hPa 1015 hPa 1016 hPa 1016 hPa
Mean
Minimum
1018 hPa 1019 hPa 1017 hPa 1014 hPa 1014 hPa 1012 hPa 1013 hPa 1013 hPa
Mean
Maximum
1021 hPa 1023 hPa 1022 hPa 1021 hPa 1021 hPa 1018 hPa 1018 hPa 1018 hPa

Past Year Monthly Averages and Extremes (July 2018 - June 2019)
Extremes Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Lowest
Min
1004 hPa
28th
1004 hPa
26th
997 hPa
21st
994 hPa
30th
992 hPa
10th
995 hPa
21st
984 hPa
27th
984 hPa
1st
986 hPa
6th
993 hPa
24th
992 hPa
8th
998 hPa
7th
Highest
Max
1028 hPa
9th
1026 hPa
5th
1039 hPa
25th
1038 hPa
22nd
1029 hPa
2nd
1038 hPa
31st
1044 hPa
2nd
1038 hPa
25th
1038 hPa
28th
1032 hPa
20th
1042 hPa
13th
1031 hPa
27th
Highest
Min
1025 hPa
8th
1023 hPa
31st
1034 hPa
25th
1031 hPa
22nd
1026 hPa
17th
1035 hPa
31st
1043 hPa
3rd
1035 hPa
25th
1034 hPa
27th
1028 hPa
20th
1038 hPa
13th
1028 hPa
27th
Lowest
Max
1010 hPa
28th
1012 hPa
7th
1013 hPa
18th
1005 hPa
30th
996 hPa
10th
999 hPa
2nd
997 hPa
31st
997 hPa
1st
999 hPa
6th
999 hPa
24th
1006 hPa
9th
1008 hPa
5th
Lowest
Mean
1007 hPa
29th
1008 hPa
13th
1008 hPa
21st
997 hPa
30th
995 hPa
10th
998 hPa
2nd
992 hPa
31st
989 hPa
1st
990 hPa
6th
995 hPa
24th
995 hPa
8th
1004 hPa
7th
Highest
Mean
1026 hPa
8th
1024 hPa
31st
1037 hPa
25th
1036 hPa
22nd
1027 hPa
17th
1036 hPa
31st
1043 hPa
3rd
1037 hPa
25th
1036 hPa
28th
1030 hPa
20th
1040 hPa
13th
1030 hPa
27th
Averages Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Mean 1017 hPa 1017 hPa 1021 hPa 1018 hPa 1013 hPa 1017 hPa 1018 hPa 1020 hPa 1017 hPa 1015 hPa 1018 hPa 1015 hPa
Mean
Minimum
1015 hPa 1015 hPa 1018 hPa 1015 hPa 1009 hPa 1013 hPa 1014 hPa 1016 hPa 1012 hPa 1012 hPa 1015 hPa 1012 hPa
Mean
Maximum
1019 hPa 1020 hPa 1024 hPa 1022 hPa 1017 hPa 1022 hPa 1023 hPa 1024 hPa 1022 hPa 1018 hPa 1021 hPa 1018 hPa

Past Year Seasonal Averages
Season Daily Min Daily Max Mean
Winter 18/19 1014 hPa
1023 hPa
1019 hPa
Spring 2019 1013 hPa
1020 hPa
1016 hPa
Summer 2018 1014 hPa
1019 hPa
1017 hPa
Autumn 2018 1014 hPa
1021 hPa
1017 hPa

View daily tables of min / max / mean Pressure data for the past year
View monthly tables of min / max / mean Pressure data for all months in the station history.

Last 24hrs  LondonPressure 12month mean  LondonPressure 12month min  LondonPressure 12month max  LondonPressure
Record Period Averages
Measure 7-day Month July 31-day Year 365-day
Lowest 987 hPa
Ending 10th Feb 2014
998 hPa
Feb 2014
1012 hPa
2009
995 hPa
Ending 15th Feb 2014
1012 hPa
2014
1011 hPa
Ending 17th Dec 2014
Highest 1040 hPa
Ending 6th Jan 2019
1029 hPa
Feb 2012
1021 hPa
Current
1029 hPa
Ending 27th Feb 2012
1017 hPa
2019
1018 hPa
Ending 1st Apr 2012
Lowest
Mean
Daily-Min
981 hPa
Ending 10th Feb 2014
992 hPa
Feb 2014
1009 hPa
2009
989 hPa
Ending 15th Feb 2014
1009 hPa
2014
1008 hPa
Ending 17th Dec 2014
Highest
Mean
Daily-Min
1038 hPa
Ending 6th Jan 2019
1026 hPa
Feb 2012
1019 hPa
Current
1026 hPa
Ending 28th Feb 2012
1014 hPa
2019
1015 hPa
Ending 1st Apr 2012
Lowest
Mean
Daily-Max
994 hPa
Ending 10th Jan 2016
1004 hPa
Feb 2014
1015 hPa
2009
1001 hPa
Ending 15th Feb 2014
1016 hPa
2014
1015 hPa
Ending 18th Dec 2014
Highest
Mean
Daily-Max
1041 hPa
Ending 6th Jan 2019
1032 hPa
Feb 2012
1023 hPa
Current
1033 hPa
Ending 27th Feb 2012
1021 hPa
2019
1021 hPa
Ending 15th May 2019

Ranked Historical Pressure Data

Highest Days
Rank Min Max Mean
1 1043 hPa
3rd Jan 2019
1046 hPa
27th Dec 2016
1044 hPa
27th Dec 2016
2 1041 hPa
27th Dec 2016
1045 hPa
28th Dec 2016
1043 hPa
3rd Jan 2019
3 1041 hPa
28th Dec 2016
1044 hPa
2nd Jan 2019
1043 hPa
2nd Jan 2019
4 1041 hPa
2nd Jan 2019
1044 hPa
3rd Jan 2019
1043 hPa
28th Dec 2016
5 1041 hPa
4th Jan 2019
1044 hPa
4th Jan 2019
1042 hPa
4th Jan 2019
6 1039 hPa
8th Feb 2012
1043 hPa
7th Feb 2012
1040 hPa
8th Feb 2012
7 1038 hPa
13th May 2019
1042 hPa
26th Jan 2010
1040 hPa
13th May 2019
8 1038 hPa
26th Jan 2010
1042 hPa
23rd Mar 2011
1040 hPa
26th Jan 2010
9 1038 hPa
21st Jan 2011
1042 hPa
8th Feb 2012
1040 hPa
23rd Mar 2011
10 1038 hPa
23rd Mar 2011
1042 hPa
29th Dec 2014
1040 hPa
29th Dec 2014
Lowest Days
Rank Min Max Mean
1 966 hPa
8th Nov 2010
981 hPa
30th Jan 2015
976 hPa
23rd Jan 2009
2 967 hPa
23rd Jan 2009
982 hPa
24th Dec 2013
978 hPa
9th Nov 2010
3 968 hPa
9th Nov 2010
984 hPa
4th Jan 2016
978 hPa
8th Feb 2014
4 969 hPa
20th Nov 2016
985 hPa
23rd Jan 2009
978 hPa
30th Jan 2015
5 972 hPa
10th Dec 2017
985 hPa
29th Nov 2009
979 hPa
24th Dec 2013
6 974 hPa
30th Jan 2015
986 hPa
4th Mar 2009
979 hPa
8th Nov 2010
7 974 hPa
28th Mar 2016
986 hPa
4th Nov 2009
979 hPa
1st Nov 2012
8 975 hPa
1st Nov 2012
986 hPa
1st Nov 2012
982 hPa
10th Dec 2017
9 975 hPa
14th Dec 2012
987 hPa
9th Nov 2010
982 hPa
4th Jan 2016
10 975 hPa
14th Feb 2014
987 hPa
8th Feb 2014
982 hPa
11th Jan 2016


Highest Months
Rank Min Max Mean
1 1026 hPa
Feb 2012
1032 hPa
Feb 2012
1029 hPa
Feb 2012
2 1025 hPa
Mar 2012
1030 hPa
Mar 2012
1028 hPa
Mar 2012
3 1024 hPa
Dec 2016
1030 hPa
Dec 2016
1027 hPa
Dec 2016
4 1020 hPa
Mar 2011
1025 hPa
Jan 2017
1022 hPa
Mar 2011
5 1019 hPa
Sep 2009
1025 hPa
Mar 2011
1022 hPa
Jan 2017
6 1019 hPa
Current
1025 hPa
Apr 2015
1022 hPa
Sep 2009
7 1019 hPa
Jan 2017
1024 hPa
Sep 2009
1021 hPa
Sep 2018
8 1018 hPa
Jun 2018
1024 hPa
Mar 2015
1021 hPa
Oct 2016
9 1018 hPa
Oct 2016
1024 hPa
Feb 2019
1021 hPa
Apr 2017
10 1018 hPa
Apr 2017
1024 hPa
Sep 2018
1021 hPa
Apr 2015
Lowest Months
Rank Min Max Mean
1 992 hPa
Feb 2014
1004 hPa
Feb 2014
998 hPa
Feb 2014
2 996 hPa
Jan 2014
1006 hPa
Nov 2009
1001 hPa
Jan 2014
3 996 hPa
Nov 2009
1006 hPa
Jan 2014
1001 hPa
Nov 2009
4 998 hPa
Mar 2018
1007 hPa
Mar 2018
1003 hPa
Mar 2018
5 998 hPa
Feb 2010
1007 hPa
Feb 2010
1003 hPa
Feb 2010
6 1000 hPa
Apr 2012
1009 hPa
Apr 2012
1004 hPa
Apr 2012
7 1001 hPa
Nov 2010
1009 hPa
Dec 2009
1005 hPa
Dec 2009
8 1002 hPa
Dec 2009
1010 hPa
Nov 2010
1005 hPa
Nov 2010
9 1002 hPa
Dec 2012
1010 hPa
Nov 2014
1006 hPa
Nov 2014
10 1003 hPa
Nov 2014
1011 hPa
Mar 2013
1008 hPa
Jan 2016


Highest Days in July
Rank Min Max Mean
1 1030 hPa
Day 7, 2013
1034 hPa
Day 8, 2013
1032 hPa
Day 8, 2013
2 1030 hPa
Day 8, 2013
1033 hPa
Day 7, 2013
1031 hPa
Day 7, 2013
3 1028 hPa
Day 6, 2013
1032 hPa
Day 9, 2013
1029 hPa
Day 6, 2013
4 1027 hPa
Day 3, 2019
1031 hPa
Day 5, 2013
1028 hPa
Day 5, 2013
5 1025 hPa
Day 5, 2013
1031 hPa
Day 6, 2013
1028 hPa
Day 9, 2013
Lowest Days in July
Rank Min Max Mean
1 993 hPa
Day 17, 2011
996 hPa
Day 17, 2011
994 hPa
Day 17, 2011
2 995 hPa
Day 16, 2011
1000 hPa
Day 18, 2011
998 hPa
Day 18, 2011
3 995 hPa
Day 18, 2011
1004 hPa
Day 22, 2009
1000 hPa
Day 27, 2015
4 996 hPa
Day 26, 2015
1004 hPa
Day 5, 2014
1002 hPa
Day 5, 2014
5 996 hPa
Day 27, 2015
1004 hPa
Day 27, 2015
1002 hPa
Day 13, 2012

Notes:

  • Valid Pressure records began in January 2009
  • All figures, unless specified, relate to the period midnight-midnight, this being when daily extremes are reset
  • All values are accurate to ±0.2 mb since Sept 2017; before that, to within ±2 mb