Detailed Pressure Data

Current
Measure Value
Pressure 1025 hPa
Pressure Trend +1 hPa /hr
24hr Mean Pressure 1019 hPa
Recent Averages and Extremes
Measure Today Yesterday
Minimum 1019 hPa
02:23
1016 hPa
14:03
Maximum 1025 hPa
09:53
1030 hPa
00:02
Mean 1021 hPa
1021 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 (09-21)
Measure 7-day Month 31-day Year 365-day Overall Jan 17th Jan
Lowest
Min
1009 hPa
12th
1009 hPa
12th
972 hPa
28th
1009 hPa
12th Jan
972 hPa
28th Dec
966 hPa
8th Nov 2010
967 hPa
Day 23, 2009
987 hPa
2014
Highest
Max
1033 hPa
15th
1033 hPa
15th
1033 hPa
25th
1033 hPa
15th Jan
1050 hPa
19th Jan
1050 hPa
19th Jan 2020
1050 hPa
Day 19, 2020
1038 hPa
2017
Highest
Min
1026 hPa
15th
1026 hPa
15th
1029 hPa
25th
1026 hPa
15th Jan
1045 hPa
20th Jan
1045 hPa
20th Jan 2020
1045 hPa
Day 20, 2020
1033 hPa
2017
Lowest
Max
1022 hPa
13th
1015 hPa
1st
983 hPa
28th
1015 hPa
1st Jan
983 hPa
28th Dec
981 hPa
30th Jan 2015
981 hPa
Day 30, 2015
993 hPa
2014
Lowest
Mean
1015 hPa
12th
1012 hPa
1st
976 hPa
28th
1012 hPa
1st Jan
976 hPa
28th Dec
976 hPa
28th Dec 2020
976 hPa
Day 23, 2009
990 hPa
2014
Highest
Mean
1030 hPa
15th
1030 hPa
15th
1031 hPa
25th
1030 hPa
15th Jan
1048 hPa
20th Jan
1048 hPa
20th Jan 2020
1048 hPa
Day 20, 2020
1036 hPa
2017
Averages                
Mean 1020 hPa 1020 hPa 1014 hPa 1020 hPa 1016 hPa 1015 hPa 1015 hPa 1015 hPa
Mean
Minimum
1016 hPa 1017 hPa 1009 hPa 1017 hPa 1012 hPa 1011 hPa 1010 hPa 1010 hPa
Mean
Maximum
1026 hPa 1024 hPa 1018 hPa 1024 hPa 1019 hPa 1018 hPa 1019 hPa 1019 hPa

Past Year Monthly Averages and Extremes (January 2020 - December 2020)
Extremes Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lowest
Min
990 hPa
28th
982 hPa
29th
985 hPa
2nd
993 hPa
30th
997 hPa
1st
996 hPa
5th
1005 hPa
27th
998 hPa
25th
994 hPa
24th
981 hPa
4th
994 hPa
15th
972 hPa
28th
Highest
Max
1050 hPa
19th
1039 hPa
5th
1041 hPa
29th
1032 hPa
7th
1038 hPa
26th
1027 hPa
22nd
1030 hPa
12th
1024 hPa
31st
1031 hPa
17th
1028 hPa
11th
1042 hPa
5th
1033 hPa
25th
Highest
Min
1045 hPa
20th
1035 hPa
5th
1035 hPa
29th
1028 hPa
7th
1035 hPa
26th
1024 hPa
22nd
1027 hPa
12th
1022 hPa
31st
1027 hPa
17th
1024 hPa
16th
1036 hPa
5th
1029 hPa
25th
Lowest
Max
1000 hPa
14th
994 hPa
29th
991 hPa
1st
998 hPa
30th
1006 hPa
1st
1001 hPa
5th
1009 hPa
1st
1004 hPa
28th
1001 hPa
24th
989 hPa
4th
1003 hPa
15th
983 hPa
28th
Lowest
Mean
997 hPa
28th
987 hPa
29th
990 hPa
1st
996 hPa
30th
1000 hPa
1st
998 hPa
5th
1007 hPa
1st
1002 hPa
28th
997 hPa
24th
984 hPa
4th
997 hPa
15th
976 hPa
28th
Highest
Mean
1048 hPa
20th
1037 hPa
5th
1038 hPa
29th
1030 hPa
7th
1036 hPa
26th
1026 hPa
22nd
1029 hPa
12th
1023 hPa
31st
1029 hPa
17th
1026 hPa
11th
1039 hPa
5th
1031 hPa
25th
Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean 1020 hPa 1011 hPa 1018 hPa 1018 hPa 1023 hPa 1014 hPa 1018 hPa 1013 hPa 1018 hPa 1009 hPa 1020 hPa 1004 hPa
Mean
Minimum
1015 hPa 1005 hPa 1014 hPa 1016 hPa 1021 hPa 1011 hPa 1015 hPa 1011 hPa 1015 hPa 1005 hPa 1016 hPa 998 hPa
Mean
Maximum
1026 hPa 1018 hPa 1021 hPa 1021 hPa 1026 hPa 1016 hPa 1021 hPa 1016 hPa 1020 hPa 1013 hPa 1025 hPa 1009 hPa

Past Year Seasonal Averages
Season Daily Min Daily Max Mean
Winter 19/20 1006 hPa
1018 hPa
1012 hPa
Spring 2020 1017 hPa
1023 hPa
1020 hPa
Summer 2020 1012 hPa
1018 hPa
1015 hPa
Autumn 2020 1012 hPa
1019 hPa
1016 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 Jan 31-day Year 365-day
Lowest 987 hPa
Ending 10th Feb 2014
998 hPa
Feb 2014
1001 hPa
2014
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
1022 hPa
2017
1029 hPa
Ending 27th Feb 2012
1020 hPa
2021
1018 hPa
Ending 1st Apr 2012
Lowest
Mean
Daily-Min
981 hPa
Ending 10th Feb 2014
992 hPa
Feb 2014
996 hPa
2014
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
2017
1026 hPa
Ending 28th Feb 2012
1017 hPa
2021
1015 hPa
Ending 1st Apr 2012
Lowest
Mean
Daily-Max
994 hPa
Ending 10th Jan 2016
1004 hPa
Feb 2014
1006 hPa
2014
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
1026 hPa
2020
1033 hPa
Ending 27th Feb 2012
1024 hPa
2021
1021 hPa
Ending 15th May 2019

Ranked Historical Pressure Data

Highest Days
Rank Min Max Mean
1 1045 hPa
20th Jan 2020
1050 hPa
19th Jan 2020
1048 hPa
20th Jan 2020
2 1043 hPa
3rd Jan 2019
1050 hPa
20th Jan 2020
1045 hPa
19th Jan 2020
3 1041 hPa
27th Dec 2016
1046 hPa
27th Dec 2016
1044 hPa
27th Dec 2016
4 1041 hPa
28th Dec 2016
1045 hPa
21st Jan 2020
1043 hPa
3rd Jan 2019
5 1041 hPa
2nd Jan 2019
1045 hPa
28th Dec 2016
1043 hPa
2nd Jan 2019
6 1041 hPa
4th Jan 2019
1044 hPa
2nd Jan 2019
1043 hPa
28th Dec 2016
7 1040 hPa
21st Jan 2020
1044 hPa
3rd Jan 2019
1042 hPa
4th Jan 2019
8 1039 hPa
8th Feb 2012
1044 hPa
4th Jan 2019
1042 hPa
21st Jan 2020
9 1038 hPa
13th May 2019
1043 hPa
7th Feb 2012
1040 hPa
8th Feb 2012
10 1038 hPa
26th Jan 2010
1042 hPa
26th Jan 2010
1040 hPa
13th May 2019
Lowest Days
Rank Min Max Mean
1 966 hPa
8th Nov 2010
981 hPa
30th Jan 2015
976 hPa
28th Dec 2020
2 967 hPa
23rd Jan 2009
982 hPa
24th Dec 2013
976 hPa
23rd Jan 2009
3 968 hPa
9th Nov 2010
983 hPa
28th Dec 2020
978 hPa
9th Nov 2010
4 969 hPa
20th Nov 2016
984 hPa
4th Jan 2016
978 hPa
27th Dec 2020
5 971 hPa
13th Dec 2019
985 hPa
4th Dec 2020
978 hPa
4th Dec 2020
6 972 hPa
10th Dec 2017
985 hPa
23rd Jan 2009
978 hPa
8th Feb 2014
7 972 hPa
28th Dec 2020
985 hPa
29th Nov 2009
978 hPa
30th Jan 2015
8 972 hPa
12th Dec 2019
985 hPa
3rd Nov 2019
979 hPa
24th Dec 2013
9 972 hPa
21st Dec 2019
985 hPa
13th Dec 2019
979 hPa
8th Nov 2010
10 973 hPa
4th Dec 2020
986 hPa
21st Dec 2019
979 hPa
1st Nov 2012


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 1021 hPa
May 2020
1026 hPa
Jan 2020
1023 hPa
May 2020
5 1020 hPa
Mar 2011
1026 hPa
May 2020
1022 hPa
Mar 2011
6 1019 hPa
Sep 2009
1025 hPa
Jan 2017
1022 hPa
Jan 2017
7 1019 hPa
Jan 2017
1025 hPa
Mar 2011
1022 hPa
Sep 2009
8 1018 hPa
Jun 2018
1025 hPa
Nov 2020
1021 hPa
Sep 2018
9 1018 hPa
Oct 2016
1025 hPa
Apr 2015
1021 hPa
Oct 2016
10 1018 hPa
Apr 2017
1024 hPa
Sep 2009
1021 hPa
Apr 2017
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
4 997 hPa
Nov 2019
1007 hPa
Nov 2019
1002 hPa
Nov 2019
5 998 hPa
Dec 2020
1007 hPa
Mar 2018
1003 hPa
Mar 2018
6 998 hPa
Mar 2018
1007 hPa
Feb 2010
1003 hPa
Feb 2010
7 998 hPa
Feb 2010
1009 hPa
Apr 2012
1004 hPa
Dec 2020
8 1000 hPa
Apr 2012
1009 hPa
Dec 2009
1004 hPa
Apr 2012
9 1001 hPa
Nov 2010
1009 hPa
Dec 2020
1005 hPa
Dec 2009
10 1002 hPa
Dec 2009
1010 hPa
Nov 2010
1005 hPa
Nov 2010


Highest Days in January
Rank Min Max Mean
1 1045 hPa
Day 20, 2020
1050 hPa
Day 19, 2020
1048 hPa
Day 20, 2020
2 1043 hPa
Day 3, 2019
1050 hPa
Day 20, 2020
1045 hPa
Day 19, 2020
3 1041 hPa
Day 2, 2019
1045 hPa
Day 21, 2020
1043 hPa
Day 3, 2019
4 1041 hPa
Day 4, 2019
1044 hPa
Day 2, 2019
1043 hPa
Day 2, 2019
5 1040 hPa
Day 21, 2020
1044 hPa
Day 3, 2019
1042 hPa
Day 4, 2019
Lowest Days in January
Rank Min Max Mean
1 967 hPa
Day 23, 2009
981 hPa
Day 30, 2015
976 hPa
Day 23, 2009
2 974 hPa
Day 30, 2015
984 hPa
Day 4, 2016
978 hPa
Day 30, 2015
3 976 hPa
Day 29, 2015
985 hPa
Day 23, 2009
982 hPa
Day 4, 2016
4 977 hPa
Day 19, 2009
987 hPa
Day 10, 2016
982 hPa
Day 11, 2016
5 977 hPa
Day 7, 2016
989 hPa
Day 28, 2014
984 hPa
Day 5, 2016

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