Tag Archives: leap years

Lake Winnipesaukee (NH) 2024 Ice-Out: Sunday, March 17 — EARLIEST EVER (Since Records Started To Be Kept In 1887).

by Anura Guruge
on March 17, 2024

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Click to ENLARGE. Ice-outs this century. From an Excel spreadsheet I maintain. Wow. This is special. As I explain below Leap Years have significance. Makes this record SPECIAL.

I take LEAP YEARS into account.
This year is a LEAP YEAR.
So, March 17 this year,
in terms of days since Jan. 1,
is day # 76. If it had NOT been a Leap Year
it would have been day #75.
{Get that. Leap years make a difference}


Click to ENLARGE. EARLIEST Ice-Outs going back to 1887.

Wow. Wow. Wow.

This is amazing. Yes, warmest winter ever. This is crazy.

If this hadn’t been a Leap Year this would have been Day #75!

First ever, of course, on St. Patrick’s Day. How special.

Lake Winnipesaukee (NH) 2023 Ice-Out: Friday, April 7 — 18th Joint Earliest On Record; One Day Earlier Than Last Year.

by Anura Guruge
on April 8, 2023

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Click to ENLARGE. Ice-outs this century. From an Excel spreadsheet I maintain. 2016 record highlighted & as is the last time it was on the 96th day. Notice below ‘100’ the last 4 years.

I take LEAP YEARS into account.
This year was NOT a LEAP YEAR.
So, April 7 this year,
in terms of days since Jan. 1,
is day # 96. If it had been a Leap Year
it would have been day #97.
{Get that. Leap years make a difference}


One day earlier than last year. But, BOTH on Fridays. {Kind of neat.}

What is noteworthy is that the last 4 years have all been early April. Prior to that we had 3 months when it was later in April — & that was after the near record 2016

Not bad. Kind of middle of the road. Nothing to really get that excited about.

The ice-outs days really don’t tell us anything about Global Warming per se! Temperature is obviously the key factor — BUT winds play a HUGE role too. Once the temps get up past say 36F or 38F the winds start breaking & grinding up the ice. Just sharing that with you.

Well, another year in the books.