Stuff for LUNAR

Looking for the 18-20 yr spectral maximum

  • Currie, 1981. Currie R.G.: Evidence for 18.6 Year Ms Signal in Temperature and Drought Conditions in North America Since AD 1800 , JGR, 86, 11055-11064, 1981. https://doi.org/10.1029/JC086iC11p11055. Currie's Tab A1 (18.6 in Temperature, N.E. USA)
  • Pokrovsky O.M. (2019) Cloud Changes in the Period of Global Warming: the Results of the International
    Satellite Project    . Russian Academy of Sciences, https://journals.eco-vector.com/0205-9614/article/view/11444
  • Yndestad,2003. Harald Yndestad: A Lunar nodal spectrum in Arctic time series , ICES CM 2003/T:02., freely available at: ICES CM 2003
  • Yndestad et al., 2008 Harald Yndestad, William R. Turrell, Vladimir O Lunar nodal tide effects on variability of sea level, temperature, and salinity in the Faroe-Shetland Channel and the Barents Sea, Deep-Sea Research, I, 55, 10, 1201-1217, 2008. https://doi.org/10.1016/j.dsr.2008.06.003
  • https://www.climateclock.no/2019/11/01/itaque-mihi-non-satis-videmini/ (Yndestad's site on 18.6 yr)
  • https://astroclimatelink.wordpress.com/ (Wilson I.R.G. site; last update: October 26,2018)
    00 readme.htmlTable, (pdf)
    #VariableWhereSupport siteCM postNote
    1Rain
    Fortaleza    		BrazilCM57here18.7 yr; 18.0 yr
    Lomb AJO, Mem JAA
    2RainArgentinaCM146here18.7 yr; 18.1
    half-series
    3RainS.AustraliaCM72here19.3 yr
    4Rain
    England    		 (UK)CM144here18-20 yr in all series
    (30) but NRFA's Ed1
    5Rain
    Po River    		ItalyCM147here18.6
    6Rain, R10mm
    Index, ECAD    		Europe,
    Middle East    		CM148£here18.6
    7Rain SahelAfricaCM115here17.9 yr
    8Cloud Cover
    ALPIN    		Alps-wide, EU
    HISTALP    		CM9§here17.8 yr OLD
    17.9 yr NEW
    9Cloud Cover
    LOW    		Alps-wide, EU
    HISTALP    		CM9§here19.2 yr OLD
    19.2 yr NEW
    10Global Cloud
    Cover    		worldwide
    Pokrovsky 2019    		DM54here18.6 yr Wavelet
    not in Lomb Spect.
    11Level, NileEgyptCM92here18.3 yr Obs;
    18.8 yr Diff.
    12Level, Stockholm
    1774    		SwedenCM92here19 yr both
    Obs & Diff.
    13Level, Stockholm
    PSMSL    		SwedenCM92here18.2 yr Obs.;18.5
    Deriv, both weak
    14Level, SuveFiji IslandsCM88here16.6-18.5 yr,
    unsure
    15Level, Aberdeen
    Scotland    		(UK)CM89here18.6 yr
    16Polar MotionCanadaCM89here18.2 yr
    17Salinity Faroe-
    Shetland Channel    		(UK)CM89here18.2 yr
    18Salinity
    Kola Section    		RussiaCM89here18.3 yr,
    unsure & weak
    19TPW-Total
    Precipitable Water    		worldwideCM92here18 yr both
    Obs & Diff
    20CEI, Climate
    Extremes Index    		USA, WestCM128here18.6 yr
    21DendrologyRussia, russ243CM92here18.4 yr both
    Obs & Diff
    22DendrologyNew Zealand,
    newz081mm    		CM33here18.2 yr, strong
    23Various Stuff
    Fishery & Indices    		Bering Sea*CM74hereSome variable only.
    2013 data
    24Tide Gaugesworldwide,
    63 stations    		CM150here~50% of datasets
    25Weekly CO2
    MaunaLoa    		Hawaii, USACM153here18.8 yr
    26Barents Sea
    Ice Edge Pos.    		N. EuropeCM161here18.6 yr, not strong
    27Bonifati, Ave. Mean
    Temp. 1961-2015    		S. ItalyCM56here18.1 yr
    28Moldava Floods
    at Prague 1500-2000    		Czech RepublicCM175here19 yr
    29Sea Ice Volume (SIV)
    3-period models    		 Pan-Arctic AreaCM176here18-18.4-18.8
    30Alpine summer
    Anom. 1000 yr    		AlpsCM210here18.4
    31here
    32here
     Unpublished
    1GHD,Beune
    Grape harvest date    		FranceGRAPE--18.8 yr
    2GHD
    Swiss Plateau    		Switzerland GRAPE--18.5 yr, weak
    3Rain, BayernGermanyDM43--18.6 yr, Recon.
    4Dendrology
    Wulan    		ChinaDM48--18.6 yr, chin061
    5Dendrology,
    PDSI    		MoroccoDM48--17.9 yr
    6Various Stuff
    Fishery & Indices    		Bering Sea CMAC
    BERING*    		--15 vars only.
    2016 data
    7Excess of LOD
    Length Of Day    		worldwileICE--18.6 yr, weak
    8Annual & monthly
    MEI Index    		Equatorial PacificICE--19.5 yr
    9PDO IndexPacific OceanICE--19.3 yr
    10PDO IndexPacific OceanBERING--19 yr (green band)
    11Nino 3.4 regionPacific OceanPP04--19.1 yr (orchid band)
    12Rain, NE
    Queensland    		Australiahere--18.5 yr
    13Sydney, Sea Level
    PM,PM2    		Australiahere--19.6 yr
    14Rain Anomaly
    Victoria    		S.Australiahere--19.5, 19, 19.8 yr
    Anom., pos., neg.
    15Alps, Snow cover
    duration (Carrer,2023)    		ItalyPP08--18.3 yr
    16Yunnan ProvinceSW ChinaPP77--17.8 yr
    tree rings, 1814-2022
    17--
    18--
    *
     period 18.6 yr: PDO (18.7), PNA (18.9), SAI (18.6), SI (18.6), PDO WIN (19.3), NPI (19.5)
    Period 18 yr: ENSO (17.9), EPI (17.9), IRI (18), WPI DJF (17.6), WPI MAM (17.9)
    § CM9 has a very long list, so the relevant plots here have been outlined inpink
    £
    18 stations out of 27 (67%) show a winter 18-20 yr peak
    17 stations out of 27 (63%) show a summer 18-20 yr peak
    24 stations out of 27 (89%) show a summer OR a winter 18-20 yr peak
    10 stations out of 27 (37%) show a summer AND a winter 18-20 yr peak
    Page written: May 15, 2020. Last Updated: August 06, 2025