Wednesday, March 3, 2021

BDL Winter Recap

I previously examined winter 2020-2021's weather at Burlington International Airport. Now, let's take a look at what Bradley International Airport (BDL) in Windsor Locks, CT saw.

Temperatures

This winter's mean maximum temperature was 38.0 °F, while the mean minimum temperature was 22.8 °F, and the mean daily average temperature was 30.4 °F.

(NOAA Regional Climate Centers/xmACIS)

Like what we saw at BTV, the above time series graph clearly shows that the majority of temperatures were above normal this winter, and we only had a few cold spells where temperatures dipped into the "blue zone" on the above graph. One daily record high temperature was reached, when the temperature rose to 61 °F on December 13. 

With data dating back to the winter of 1905-1906, this winter ranks as the 35th warmest on record, when we look at mean daily temperature data. See the plot below to see how this winter stacked up compared to others.

(NOAA Regional Climate Centers/xmACIS)

Precipitation

BDL experienced slightly above normal precipitation this winter, with 11.08 inches of total precipitation falling when the normal value is 9.56 inches, meaning we had 116% of normal.

(NOAA Regional Climate Centers/xmACIS)

Precipitation was fairly consistent, gradually accumulating over the course of the winter.

Snowfall

Let's take a look at snow. BDL had 39.1 inches of snowfall, when the normal values 30.7, giving a departure from normal of 8.4 inches. In the following snowfall accumulation time-series, we can clearly see the influence of our two major winter storms, the one in December that produced over a foot of snow and the one to open February that produced another foot.

(NOAA Regional Climate Centers/xmACIS)

In addition to those days, there were a handful of other days that had moderate snowfall accumulations. 

How does the snowfall this winter stack up when compared to other years? Take a look at this plot to see that snowfall is increasing each winter, and this winter's snow fits the general trend.

(NOAA Regional Climate Centers/xmACIS)

While the start of spring may feel a bit wintry so far, we'll see what the rest of the season has in store.

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