Table of
  1. T
  2. Indices Easter slp sea level pressure anomaly
Additional Information

Timesea level pressure anomaly
months since 1960-01-01mb above 1000
Jan 19510.4
Feb 1951-0.2
Mar 19510.6
Apr 1951-1.1
May 1951-1.7
Jun 1951-1.1
Jul 1951-2.4
Aug 1951-2.8
Sep 1951-3.7
Oct 1951-0.7
Nov 19512.2
Dec 19511.2
Jan 19520.7
Feb 1952-1.0
Mar 1952-0.2
Apr 1952-2.0
May 19521.2
Jun 1952-0.6
Jul 19523.6
Aug 19520.3
Sep 1952-3.7
Oct 1952-0.5
Nov 1952-0.4
Dec 19520.2
Jan 19530.3
Feb 1953-3.2
Mar 19530.8
Apr 1953-0.6
May 19531.5
Jun 19530.8
Jul 19530.3
Aug 1953-3.2
Sep 1953-0.2
Oct 19535.0
Nov 19531.3
Dec 19531.4
Jan 19541.1
Feb 19542.9
Mar 1954-1.0
Apr 19540.9
May 19543.1
Jun 1954-0.7
Jul 19543.1
Aug 1954-0.8
Sep 19544.1
Oct 19544.0
Nov 19543.1
Dec 19543.3
Jan 19550.3
Feb 19552.7
Mar 19551.3
Apr 19554.3
May 19552.6
Jun 19551.4
Jul 19551.4
Aug 19551.9
Sep 19555.5
Oct 19554.1
Nov 19550.0
Dec 19553.2
Jan 19561.5
Feb 19560.4
Mar 19561.2
Apr 19562.8
May 19564.1
Jun 1956-0.8
Jul 19560.0
Aug 19560.8
Sep 19560.5
Oct 1956-0.5
Nov 1956-1.7
Dec 1956-4.1
Jan 1957-2.5
Feb 1957-2.4
Mar 1957-1.5
Apr 1957-0.6
May 1957-1.5
Jun 1957-3.5
Jul 1957-0.4
Aug 19570.7
Sep 19570.1
Oct 19571.3
Nov 1957-1.7
Dec 1957-0.3
Jan 19580.3
Feb 19580.9
Mar 19580.1
Apr 1958-2.8
May 1958-3.4
Jun 19581.8
Jul 1958-5.0
Aug 19581.2
Sep 1958-1.5
Oct 1958-0.4
Nov 19581.6
Dec 1958-2.7
Jan 19591.9
Feb 19590.2
Mar 1959-2.3
Apr 19592.8
May 1959-1.8
Jun 19592.7
Jul 1959-0.9
Aug 19593.2
Sep 1959-1.2
Oct 1959-0.3
Nov 19590.6
Dec 19591.1
Jan 1960-1.7
Feb 1960-0.4
Mar 1960-2.8
Apr 1960-0.2
May 19600.6
Jun 1960-2.2
Jul 19601.5
Aug 19601.0
Sep 19601.4
Oct 19601.4
Nov 19600.4
Dec 1960-1.8
Jan 19610.3
Feb 19611.7
Mar 1961-0.2
Apr 19611.3
May 1961-1.8
Jun 1961-2.9
Jul 1961-5.3
Aug 1961-4.0
Sep 19610.5
Oct 1961-1.2
Nov 1961-0.2
Dec 1961-0.8
Jan 1962-1.7
Feb 1962-2.8
Mar 1962-0.3
Apr 19622.2
May 19623.0
Jun 1962-1.1
Jul 1962-0.7
Aug 19623.1
Sep 19622.5
Oct 19621.9
Nov 1962-2.2
Dec 19621.0
Jan 19632.9
Feb 19631.9
Mar 19632.3
Apr 1963-1.1
May 1963-2.4
Jun 1963-0.8
Jul 19635.1
Aug 1963-0.9
Sep 1963-1.4
Oct 1963-1.9
Nov 19632.3
Dec 19630.1
Jan 19640.4
Feb 19640.5
Mar 19640.7
Apr 19642.4
May 1964-1.7
Jun 19641.6
Jul 19640.4
Aug 19642.1
Sep 19641.9
Oct 1964-2.2
Nov 1964-3.6
Dec 19640.9
Jan 1965-0.4
Feb 1965-1.0
Mar 1965-2.3
Apr 19651.4
May 1965-2.0
Jun 1965-2.9
Jul 1965-1.6
Aug 1965-1.2
Sep 1965-1.6
Oct 19651.7
Nov 1965-2.2
Dec 1965-2.7
Jan 1966-1.2
Feb 19660.8
Mar 1966-0.3
Apr 1966-0.1
May 1966-2.1
Jun 19663.6
Jul 1966-2.4
Aug 19661.7
Sep 19662.5
Oct 1966-0.3
Nov 1966-0.9
Dec 19661.9
Jan 19670.1
Feb 19671.5
Mar 19670.6
Apr 1967-0.8
May 19672.4
Jun 19674.0
Jul 19676.4
Aug 19672.6
Sep 19673.6
Oct 1967-0.5
Nov 1967-1.0
Dec 19670.8
Jan 19680.8
Feb 1968-1.6
Mar 19683.7
Apr 19680.2
May 1968-0.7
Jun 19682.9
Jul 19680.7
Aug 1968-2.2
Sep 1968-4.6
Oct 19681.0
Nov 1968-0.9
Dec 19680.5
Jan 1969-3.2
Feb 19691.4
Mar 19691.7
Apr 19690.2
May 1969-0.7
Jun 1969-1.1
Jul 1969-3.3
Aug 19690.8
Sep 1969-1.6
Oct 19690.0
Nov 19694.1
Dec 19690.5
Jan 19701.8
Feb 19700.4
Mar 1970-2.3
Apr 1970-0.8
May 19705.3
Jun 19701.9
Jul 19703.7
Aug 19700.8
Sep 19700.4
Oct 19700.0
Nov 19703.1
Dec 19702.5
Jan 19712.1
Feb 19710.9
Mar 19711.9
Apr 19711.4
May 19717.0
Jun 19714.0
Jul 1971-2.6
Aug 19712.5
Sep 19711.9
Oct 1971-1.2
Nov 19711.9
Dec 19711.4
Jan 1972-3.0
Feb 1972-3.0
Mar 19720.8
Apr 19720.3
May 1972-3.4
Jun 1972-7.0
Jul 1972-1.0
Aug 1972-4.2
Sep 1972-3.1
Oct 1972-1.2
Nov 1972-0.9
Dec 1972-1.0
Jan 19730.6
Feb 19731.4
Mar 19730.7
Apr 19730.1
May 19730.7
Jun 19730.4
Jul 19730.5
Aug 19731.0
Sep 19733.4
Oct 19731.0
Nov 19731.0
Dec 19733.6
Jan 19741.6
Feb 19741.9
Mar 19741.6
Apr 19740.5
May 1974-0.6
Jun 19742.4
Jul 19741.7
Aug 1974-3.8
Sep 19740.6
Oct 19741.0
Nov 19742.5
Dec 1974-0.4
Jan 1975-1.2
Feb 1975-4.1
Mar 19751.1
Apr 1975-1.3
May 19751.3
Jun 1975-0.1
Jul 19750.2
Aug 19752.9
Sep 19752.1
Oct 19750.9
Nov 19750.7
Dec 19750.9
Jan 19760.4
Feb 19760.8
Mar 19760.0
Apr 1976-1.2
May 1976-3.3
Jun 1976-4.1
Jul 1976-3.0
Aug 19761.1
Sep 1976-3.4
Oct 1976-4.8
Nov 1976-2.2
Dec 1976-5.4
Jan 1977-3.1
Feb 19771.0
Mar 1977-3.2
Apr 1977-3.2
May 1977-4.1
Jun 1977-0.7
Jul 19774.4
Aug 19772.4
Sep 1977-3.9
Oct 1977-2.7
Nov 19770.6
Dec 1977-0.9
Jan 19782.1
Feb 1978-1.0
Mar 1978-0.2
Apr 1978-1.7
May 1978-0.6
Jun 19780.1
Jul 1978-1.4
Aug 19781.4
Sep 19780.3
Oct 1978-4.4
Nov 1978-2.7
Dec 1978-0.5
Jan 1979-2.2
Feb 19790.4
Mar 1979-0.5
Apr 1979-3.6
May 1979-2.8
Jun 19792.2
Jul 1979-2.8
Aug 1979-6.8
Sep 19790.4
Oct 1979-0.9
Nov 1979-3.5
Dec 1979-1.1
Jan 19800.3
Feb 1980-1.1
Mar 1980-2.7
Apr 19800.5
May 19801.0
Jun 1980-0.1
Jul 1980-0.5
Aug 1980-0.5
Sep 1980-2.4
Oct 19801.1
Nov 1980-1.5
Dec 1980-1.7
Jan 19812.4
Feb 19811.6
Mar 1981-1.4
Apr 1981-0.6
May 19810.4
Jun 1981-2.2
Jul 1981-0.5
Aug 1981-1.4
Sep 1981-3.8
Oct 1981-1.3
Nov 19811.1
Dec 19811.2
Jan 19821.5
Feb 19821.4
Mar 19820.4
Apr 1982-3.5
May 19820.5
Jun 19820.7
Jul 1982-2.9
Aug 1982-5.0
Sep 1982-3.3
Oct 1982-2.7
Nov 1982-4.5
Dec 1982-3.0
Jan 1983-5.5
Feb 1983-5.0
Mar 1983-1.9
Apr 1983-0.5
May 1983-0.2
Jun 1983-0.4
Jul 1983-1.3
Aug 19831.9
Sep 19831.4
Oct 1983-1.0
Nov 19831.2
Dec 1983-0.5
Jan 1984-2.2
Feb 1984-0.7
Mar 1984-0.3
Apr 1984-2.0
May 19840.5
Jun 1984-0.3
Jul 19840.7
Aug 1984-0.6
Sep 1984-3.4
Oct 1984-0.1
Nov 19840.9
Dec 1984-0.2
Jan 19851.6
Feb 19850.0
Mar 19850.2
Apr 19853.1
May 19850.3
Jun 1985-2.1
Jul 1985-0.2
Aug 19854.8
Sep 19852.0
Oct 1985-2.3
Nov 19850.2
Dec 19852.6
Jan 19862.1
Feb 19860.6
Mar 19861.3
Apr 19860.4
May 1986-2.5
Jun 1986-1.3
Jul 1986-5.8
Aug 1986-3.1
Sep 1986-2.6
Oct 1986-2.1
Nov 1986-0.2
Dec 19861.9
Jan 19871.8
Feb 1987-2.8
Mar 1987-2.9
Apr 19871.7
May 19871.2
Jun 1987-5.7
Jul 1987-4.5
Aug 1987-3.8
Sep 1987-2.4
Oct 1987-1.1
Nov 1987-0.2
Dec 19871.1
Jan 19881.1
Feb 1988-2.9
Mar 1988-1.0
Apr 19880.8
May 1988-0.9
Jun 19883.4
Jul 19882.9
Aug 19881.1
Sep 19885.1
Oct 19880.7
Nov 19882.4
Dec 19881.1
Jan 19890.7
Feb 1989-1.6
Mar 19890.4
Apr 19890.1
May 1989-0.2
Jun 19890.0
Jul 19891.7
Aug 19890.7
Sep 1989-0.7
Oct 19891.2
Nov 1989-3.0
Dec 19890.9
Jan 19904.9
Feb 1990-2.4
Mar 1990-0.5
Apr 1990-0.1
May 19900.9
Jun 1990-2.7
Jul 19900.9
Aug 1990-2.2
Sep 1990-1.1
Oct 19903.5
Nov 19902.8
Dec 19900.2
Jan 19911.0
Feb 19910.3
Mar 1991-2.8
Apr 1991-1.3
May 1991-4.2
Jun 1991-7.0
Jul 19911.7
Aug 19913.8
Sep 1991-2.7
Oct 1991-1.2
Nov 1991-1.4
Dec 1991-2.6
Jan 1992-0.7
Feb 1992-0.9
Mar 1992-3.5
Apr 19921.0
May 1992-0.4
Jun 1992-0.3
Jul 19921.5
Aug 1992-1.3
Sep 1992-0.2
Oct 19920.3
Nov 1992-2.8
Dec 19920.7
Jan 1993-3.4
Feb 1993-2.6
Mar 1993-2.9
Apr 1993-1.2
May 19933.0
Jun 1993-3.1
Jul 19930.5
Aug 1993-3.1
Sep 1993-1.3
Oct 1993-3.0
Nov 19932.8
Dec 19931.3
Jan 1994-0.7
Feb 19941.9
Mar 1994-3.1
Apr 1994-0.5
May 1994-0.7
Jun 1994-0.2
Jul 1994-2.2
Aug 19943.0
Sep 1994-5.8
Oct 1994-2.2
Nov 19942.4
Dec 19940.5
Jan 19952.4
Feb 19950.0
Mar 1995-0.8
Apr 1995-0.6
May 1995-1.0
Jun 1995-1.5
Jul 19950.1
Aug 19953.0
Sep 19952.9
Oct 1995-1.2
Nov 19953.2
Dec 1995-1.0