A persistent deep cold trough settled across the northeast United States from late January through early March. This lead to the coldest February on record for much of northern New york and beyond with monthly departures of 13 to 17 degrees below normal. Many locations did not witness temperatures above freezing for 25 to 45 consecutive days from mid-January through early March. It was the coldest month on record since January 1994.
In February, many sites recorded 15 to 20+ days below zero and on several days, dangerously cold wind chills of 30 below zero or colder occurred.

Cold/Wind Chill in SOUTHEASTERN ST. LAWRENCE, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in SOUTHERN FRANKLIN, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in SOUTHWESTERN ST. LAWRENCE, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in WESTERN CLINTON, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in WESTERN ESSEX, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in EASTERN CLINTON, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in EASTERN ESSEX, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in NORTHERN ST. LAWRENCE, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.

Cold/Wind Chill in NORTHERN FRANKLIN, NEW YORK
From 01-FEB-15 00:00:00 to 28-FEB-15 23:59:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Record Cold February 2015 for the entire northern NY communities with Massena reporting the coldest February on Record (since 1949) and the coldest month since January 1994. The average departure was more than 15 degrees colder than normal.