Danielson, Connecticut, 2,423 students in 4 schools

Killingly School District Snow Day Predictor

Q: How much snow does Danielson get?

About 41 inches a winter at a NOAA weather station 2.8 miles away, averaged over 10 winters. Between December 1 and March 31 that brings 3.6 weekday mornings a year with 2 inches of new snow or more, and 2.1 with 4 inches or more.

Q: What was the biggest snow day near Killingly?

18.2 inches on March 14, 2018, the largest single day at a NOAA weather station 2.8 miles away in 10 winters. The snowiest winter was 2017 to 2018, with 72 inches.

Q: Does Killingly get more snow days than other Connecticut districts?

Killingly averages 2.1 weekday mornings a winter with 4 inches of new snow or more, more than 75 percent of the 166 Connecticut districts with a station record.

Q: How does the Killingly snow day predictor work?

It reads the National Weather Service forecast for Danielson through the night and the 5 to 8 am bus run, adds winter alerts and the Winter Storm Severity Index, and measures the snow against Killingly’s own big snow morning: 6.5 inches, the top tenth of snowy weekday mornings at a NOAA weather station 2.8 miles away.

The odds of a closing or a delay on the next three school mornings in Killingly, measured against Killingly's own big snow morning of 6.5 inches.

The next three school mornings

Will Killingly close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Danielson.

Ten winters of school mornings

Killingly’s snow record

41inches of snow a winter

3.6school mornings a winter with 2 in of new snow or more

2.1with 4 in or more

6.5 ina big snow morning in Killingly: the top tenth of snowy school mornings

More 4 inch school mornings than 75% of the 166 Connecticut districts with a station record.

0.8Nov

6.6Dec

12.4Jan

12.6Feb

7Mar

Average snowfall by month, inches

Biggest day 18.2 in on March 14, 2018
Snowiest winter 2017 to 2018, 72 in
6 in mornings 1.5 a winter
1 in mornings 6.6 a winter

Measured at a NOAA weather station 2.8 miles away. Mornings are the 7 am snow reading on a weekday from December 1 through March 31, over the ten winters from 2016 to 2017 through 2025 to 2026, from NOAA GHCN Daily.

The Connecticut rule

How Connecticut counts a lost day

Connecticut requires at least 180 days and 900 hours of actual school work, counting no more than 7 hours a day.

The Connecticut rules in the agency’s own words, and every Connecticut district

Next door

Districts near Killingly

District	Snow a winter	4 in mornings
Putnam School DistrictPutnam	28.6 in	1.5
Plainfield School DistrictPlainfield	25 in	1.4
Griswold School DistrictGriswold	25 in	1.4
Windham School DistrictWillimantic	32.2 in	2.3
Mansfield School DistrictStorrs	32.2 in	2.3
Regional High School District 19Storrs	32.2 in	2.3

The schools

4 schools

Every school in Killingly follows the district’s call: one closing covers them all.

High

Killingly High School, Dayville

Middle

Killingly Intermediate School, Dayville

Elementary

Killingly Memorial School
Killingly Central School, Dayville

Questions

Killingly snow day questions

How much snow does Danielson get?

What was the biggest snow day near Killingly?

Does Killingly get more snow days than other Connecticut districts?

How does the Killingly snow day predictor work?

How does Connecticut handle snow days?

More winter

More for Connecticut snow days

Snow day predictorClosing and delay odds for any ZIP, with the snowiest districts in the country.Snow depth mapHow much snow is on the ground right now, measured, across the country.First snow datesWhen the first measurable snow usually lands where you live.Frozen pipesThe nights cold enough to freeze a pipe, and what to do before one.Snow plow trackerWhere the plows are during a storm, city by city.Connecticut winter forecastThe season ahead for Connecticut: snowfall, cold and the first snow.

A residential street under deep snow on a bright blue morning, cars parked along the curb buried into smooth white mounds, one set of tire tracks down the middle — The morning after a big one: cars buried to the mirrors and one set of tracks down the middle. A street like this is a closing, no debate. Photo, Fairfax, Virginia, January 2016: Jarek Tuszyński, CC BY 4.0

The odds are a forecast read, and the superintendent makes the call: the district’s own announcement is the one to follow.