• 11 hours Fighting For Survival In The Streaming War
  • 1 day Want A Job? Forget About A Bachelor’s Degree
  • 2 days Another Major Car Maker Is Backing Hydrogen
  • 2 days Are Americans Finally Sold On Soccer?
  • 3 days Is The Tech Bubble About To Burst?
  • 3 days Coronavirus Could Cost Tourism Industry $80 Billion
  • 4 days What Web Traffic Trends Can Tell Us About The World
  • 4 days Miners Face Greater Headwinds
  • 4 days Boris Johnson Proposes Billion Dollar Bridge To Northern Ireland
  • 6 days Goldman Slashes Oil Price Forecast By $10
  • 7 days Tesla Raises $2 Billion In Share Selloff
  • 7 days What The T-Mobile Takeover Of Sprint Really Means For Markets
  • 8 days The U.S. Has Charged Huawei With Racketeering And Conspiracy
  • 8 days How Hydrogen Could Become The Fuel Of The Future
  • 8 days Millennials Can’t Retire, But They’ll Still Have To Help Their Parents
  • 9 days This Gold Miner Just Increased Its Dividends By 40%
  • 9 days Airbnb IPO Under Threat As China's Economy Drags
  • 9 days The Infamous Equifax Hack Just Became A National Security Issue
  • 10 days BHP Takes The Crown As World’s Top Copper Miner
  • 10 days Tesla Reopens Chinese Factory After Coronavirus Scare
What's Behind The Global EV Sales Slowdown?

What's Behind The Global EV Sales Slowdown?

An economic slowdown in many…

How The Ultra-Wealthy Are Using Art To Dodge Taxes

How The Ultra-Wealthy Are Using Art To Dodge Taxes

More freeports open around the…

  1. Home
  2. Markets
  3. Other

Sunspots

Sunspot Record: Including "Maunder Minimum"

400-Years of Sunspot Observation

  • The Maunder Minimum was associated with the Little Ice Age.
  • The Dalton Minimum was associated with significant cooling. This is shown in the following chart.

Winter Severity Index

England Winter Severity Index

  • The Dalton Minimum was associated with the last serious phase of cooling.
  • The Maunder Minimum was associated with even lower temperatures.


Sunspot Record: Cycle 1 to 24

Sunspot Record: Cycle 1 to 24

  • Note the highs set by Cycle 18, 19, 21 and 22.
  • 19 was the highest on record.
  • This was associated with the former warming trend.
  • The decline has been impressive.
  • It is the sharpest decline since the one into Cycle 6 and 7 - called the "Dalton Minimum".
  • The trend of declining solar activity has been associated with climate cooling.
  • Been going on for millions of years.

 

Internationsl Sunspot Number

  • Note the series of lower peaks.
  • The April number was 38, down sharply from the March posting at 54.9.
  • Cycles 23 and 24 are setting the lowest solar activity since the Dalton Minimum.

 

Back to homepage

Leave a comment

Leave a comment