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Friday, December 28, 2007

Snowfall Records- 1960s and 1970s

Since I am off today, bot much to say about the next two events. My forecast maps are on the TV Graphics Page. Basically, rain tonight and tomorrow morning. The Sunday system will be a close call, just south and perhaps some snow mixed in Sunday night. I will touch on that tomorrow.
Snowfall Records below: These are the two decades that get interesting. For those of you in your 40s and 50s (age) who say it snowed a lot more when you were a kid, you were right! The 1960s was the snowiest decade in Baltimore during the last century. The average of 32.4" was an increase of about 50% above the long time average. Clearly an anomaly that was followed along much of the east. It was this aberration that lead to many climate scientists to believe that we were heading for another ice age. Compare that to the 1950s (yesterday's post) which was 25% below the long time average.
Below you will see the 1970s dropped back to below average. So if you are in your 30s, well it might not be that impressive. Unless you focus on '77-'79. The last two years of the 1970s made up for the decade shortfall, below the chart see what I find most interesting....
We often use not just long term average since 1883, but the 30 year average. Yes, our 30 year comparison has dropped below the long term average, but it is all relative, and how you break up the decades. If you use the 50s, 60s, and 70s, the average is 21.6". Almost exactly on par with the long term. Yet two of those decades were well below normal. Tomorrow, I'll show the 1980s and 1990s. While part of the last 30 year comparison, it also includes the #1 snow year on record.

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