Hillsborough, New Hampshire, 1,047 students in 3 schools

Hillsboro-Deering Cooperative School District Snow Day Predictor

Q: How much snow does Hillsborough get?

About 67 inches a winter at a NOAA weather station 7.3 miles away, averaged over 7 winters. Between December 1 and March 31 that brings 7.4 weekday mornings a year with 2 inches of new snow or more, and 3.9 with 4 inches or more.

Q: What was the biggest snow day near Hillsboro-Deering Cooperative?

14.6 inches on December 17, 2020, the largest single day at a NOAA weather station 7.3 miles away in 7 winters. The snowiest winter was 2016 to 2017, with 92.3 inches.

Q: Does Hillsboro-Deering Cooperative get more snow days than other New Hampshire districts?

Hillsboro-Deering Cooperative averages 3.9 weekday mornings a winter with 4 inches of new snow or more, more than 69 percent of the 176 New Hampshire districts with a station record.

Q: How does the Hillsboro-Deering Cooperative snow day predictor work?

It reads the National Weather Service forecast for Hillsborough 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 Hillsboro-Deering Cooperative’s own big snow morning: 7.3 inches, the top tenth of snowy weekday mornings at a NOAA weather station 7.3 miles away.

The odds of a closing or a delay on the next three school mornings in Hillsboro-Deering Cooperative, measured against Hillsboro-Deering Cooperative's own big snow morning of 7.3 inches.

The next three school mornings

Will Hillsboro-Deering Cooperative close tomorrow?

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

Ten winters of school mornings

Hillsboro-Deering Cooperative’s snow record

67inches of snow a winter

7.4school mornings a winter with 2 in of new snow or more

3.9with 4 in or more

7.3 ina big snow morning in Hillsboro-Deering Cooperative: the top tenth of snowy school mornings

More 4 inch school mornings than 69% of the 176 New Hampshire districts with a station record.

3.1Nov

15Dec

15.4Jan

14.8Feb

15.5Mar

Average snowfall by month, inches

Biggest day 14.6 in on December 17, 2020
Snowiest winter 2016 to 2017, 92.3 in
6 in mornings 2.9 a winter
1 in mornings 10.4 a winter

Measured at a NOAA weather station 7.3 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 New Hampshire rule

How New Hampshire counts a lost day

New Hampshire requires 180 days or the required hours: 450 in kindergarten, 945 in grades 1 to 6 and 990 in grades 7 to 12. Lost time must be rescheduled with added hours before a district can ask for a waiver of the hours requirement.

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

Next door

Districts near Hillsboro-Deering Cooperative

District	Snow a winter	4 in mornings
Contoocook Valley School DistrictPeterborough	73.5 in	3.9
Goffstown School DistrictGoffstown	71.6 in	3.8
Bow School DistrictBow	71.6 in	3.8
Concord School DistrictConcord	59.4 in	3.1
Merrimack Valley School DistrictPenacook	54.8 in	3.6
Kearsarge Regional School DistrictNew London	66.7 in	3

The schools

3 schools

Every school in Hillsboro-Deering Cooperative follows the district’s call: one closing covers them all.

High

Hillsboro-Deering High School

Middle

Hillsboro-Deering Middle School

Elementary

Hillsboro-Deering Elementary School

Questions

Hillsboro-Deering Cooperative snow day questions

How much snow does Hillsborough get?

What was the biggest snow day near Hillsboro-Deering Cooperative?

Does Hillsboro-Deering Cooperative get more snow days than other New Hampshire districts?

How does the Hillsboro-Deering Cooperative snow day predictor work?

How does New Hampshire handle snow days?

More winter

More for New Hampshire 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.New Hampshire winter forecastThe season ahead for New Hampshire: 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.