2007-08 Snow in Concord, NH

Copyright 2008 by Ronald B. Standler


At Concord, New Hampshire, December 2007 had the most snow of any month since the year 1868, when the government began keeping records. The official total snowfall at Concord, NH during Dec 2007 was 113 cm. For comparison, the average snowfall at Concord, NH during December is only 34 cm.

A heavy snowfall would not be bad if the high temperatures for the next few days were at least +5 celsius, so the snow would quickly melt. But during Dec 2007, Concord had only three days with high temperatures greater than +5 celsius, so the snow accumulated.

The city has snowplows mounted on the front of large trucks, which push the snow to the edges of the street. These plows make a mountain of snow where my driveway connects to the street. Worse, if I do not remove the mountain of snow within about 25 hours after the snowfall, the mountain may partially melt, then freeze and become an iceberg. I own a snowblower with a 4500 watt gasoline engine and steel blades, but it will not cut through an iceberg.

Photographs at my house in Concord, NH

View from front door of my house in Concord, NH on 2 Jan 2008
Notice the piles of snow on each side of the street, as a result of the city's snowplows turning snow-covered streets into narrow canyons. The snow pile on the far side of the street is taller than the woman who is walking her dog!   The pictures are dark because they were taken just before 16:00 and the sun was setting. I would have adjusted the digital camera's exposure, but I was wearing no coat, so I just took a few quick photographs and then closed the front door.

View of porch at my front door on 2 Jan 2008
When I use my snowblower to clear my driveway of snow, it is easiest to just blow the snow onto my porch and front lawn. The front steps and porch of my house are now buried under snow. That's one way to keep political campaign workers from putting advertisements at my door or ringing my doorbell! <laughing>   (On 8 Jan 2008, New Hampshire held the first primary election in the nation for the 2008 Presidential election.)

View of my driveway from the street on 7 Jan 2008
Notice the snow-covered front porch of my house. After using a snowblower, there is approximately a half centimeter of snow remaining on my driveway, and perhaps some patches of ice too. So I sprinkle calcium chloride pellets on the paths where my tires contact the driveway, which completely melts the snow on those two paths. As the snow/ice melts, the calcium chloride solution trickles down my driveway and clears two wide paths.


February 2008 in Concord, NH

On 1 Feb 2008, we had light snow, followed by freezing rain and sleet. Because of the cold temperatures, the ice persisted more than two weeks.

On 13 Feb 2008, we had 15 cm of snow, followed by rain. The snow plows cleared the street and pushed a wall of wet snow at the entrance to my driveway. I used my snowblower to remove most of the wall of wet snow, before it froze.

As expected, the wet snow froze, so on 14 Feb I used a steel shovel to chop away the larger chunks of ice. I then scattered about 15 kg of calcium chloride pellets on my driveway and where the driveway connects to the street, to try to melt the ice. It had been many years since I used this much calcium chloride in one day, usually 2 kg is enough. Surprisingly, the calcium chloride did not melt all of the ice, there was still significant ice in my driveway on 16-17 Feb.

View of ice in my driveway on 17 Feb 2008
Note the large chunks of ice piled on top of the snowbank on the right side of the photo. Those chunks of ice were removed from where snowplows made an iceberg at the entrance to my driveway.



On 18 Feb 2008, we had a high temperature of +11 celsius for about three hours, which helped melt the ice. This was an unusually hot day, because of wind from the southern USA. The following day the high temperature was +4 celsius.

On 21 Feb 2008, there were two strips of bare asphalt in my driveway for my tires, as I had used a steel shovel to remove most of the ice in those strips and the remaining ice had melted. The following day, there was 9 cm of snow, and temperatures between -13 and -4 celsius, so the ice returned to my driveway. I feel like Sisyphus in Greek mythology.

On 25 Feb 2008, the high temperature was +6 celsius and I used a steel shovel to remove ice in one strip on my driveway for one tire to have good traction, so I could go the grocery store. I went to two grocery stores, but neither had any calcium chloride pellets for melting ice. The following day, 26 Feb, there was 21 cm of snow. On 27 Feb, there was another 5 cm of snow. <sigh>

On 28 Feb, I again used a steel shovel to remove ice in one strip on my driveway for one tire to have good traction, and then sprinkled calcium chloride pellets on the bare strip.

The weather station at the Concord airport recorded a total of 255 cm of snow from 1 Dec 2007 to 29 Feb 2008. It appears that this winter may have more snow than any year since records were first kept back in 1871. For comparison, the average snowfall at Concord, NH during Dec, Jan, and Feb is only 115 cm.

March 2008 in Concord, NH

On 1 March 2008, we had 15 cm of snow. After I used my snowblower to clear my driveway and I used a steel shovel to again clear one strip on my driveway for one tire to have good traction, I took the following photograph.

View of my driveway on 1 March 2008
The snowbank on the left side of this picture, where my driveway connects to the street, has a height of 208 cm. Most of that snow fell in the street, and the city snowplows pushed it into a mountain at the entrance to my driveway. The pictures on 17 Feb and 1 Mar were taken from the same location and with the same lens focal length, so they can be compared. Note that the snowbanks grew taller, using the row of eight windows on the garage across the street as a reference line.


On 3 Mar 2008, the high temperature was +6 celsius. The following day, the air temperature was above 0 celsius all day and all night, with a high temperature of +8 celsius. On the afternoons of 3-4 Mar, I used a steel shovel to remove from my driveway large plates of ice, with a thickness of about 2 cm. By 5 Mar, my driveway was mostly clear of ice, for the first time since 1 Feb.

There was a light snow on 15 March and again on 19 March, but the new snow melted by the following day. On 28 March, approximately 7 cm of snow fell (I say approximately, because it also rained that day.) The new snow on 28 Mar melted during the next four days.

The weather station at the Concord airport recorded a total of 293 cm of snow from 1 July 2007 to 31 Mar 2008. It appears that this winter will not break the previous snow record set during 1873-74, when 310 cm of snow fell in Concord, NH.

April 2008 in Concord, NH

View of my driveway on 8 April 2008
Almost all of the snow had already melted on the opposite site of the street. Because I live on the shady side of the street (my house provides shade to my driveway and my front lawn), there was still snow in my front lawn.



This document is at   http://www.www.groupjk.com/snow.htm
created 2 Jan 2008, modified 8 April 2008

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