The phrase "a culmination of almost" is correct and usable in written English.
It can be used to describe the final result or peak of a process that has nearly reached completion or a specific point.
Example: "The project was a culmination of almost two years of hard work and dedication from the entire team."
Alternatives: "the peak of nearly" or "the result of almost".
Tuesday was the culmination of almost two years on the road.
The parade was the culmination of almost 24 hours of partying across Spain after the victory of La Furia Roja against the Netherlands in Johannesburg.
This year's residencies mark the culmination of almost three years of development and exploration, but they are not the end of the project.
[Page C1.] The government's remedy proposal is the culmination of almost four years of investigation and litigation by the Justice Department and the states.
Less than a week later, Gibraltar Chief Minister Peter Caruana, British Minister for Europe Geoffrey Hoon, and Spanish Foreign Minister Miguel Ángel Moratinos met in Córdoba, Spain, for the Tripartite Forum, the culmination of almost two years of trilateral negotiations.
That is because the changes we are seeing reflect the culmination of almost fifty years of strategic organizing and movement building, and because the transformation is generational, polling shows.
The meeting, between Britain's biggest bank and some of the biggest fund managers in the City, was the culmination of almost 12 months of discussions over how to make the bank's pay policies less reliant on share performance, and link them to different indicators of success such as customer satisfaction and negotiations with regulators.
At the culmination of almost four hours in front of the judge, [Major Ashden Fein, the lead prosecutor] sought to press home the most serious and contentious charge against Manning – that he knowingly "aided the enemy" by transmitting state secrets to WikiLeaks.
The death of Steve Tausan is the culmination of almost two years of violent tension between Hells Angeles and competing motorcycle gang The Vagos.
"Ozymandias" was hard to watch, but it was the culmination of almost every idea, theme and story the past five seasons had set in motion.
