| New Years Day Weather for Northern Illinois: Statistics
for Chicago and Rockford
Chicago:
The following statistics comprises 132 years of data.
Data collection began at the University of Chicago, then at Midway, and
currently at O'Hare which is now the official station for Chicago.
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Frequency distribution of high temperatures for Chicago.
By looking at the graph, high temperatures in the 30 to 39 degree range occur the
majority of the time over the 131 years. The normal high temperature at Chicago is
30 degrees, which falls right in that range. Temperatures also do sometimes occur in the
20 to 29 degree range. Several times the high temperature only climbed into the teens
and single digits. On the other hand, five times Chicago saw temperatures climb as high
as the 50s and even one time, above 60 degrees. In fact the record high temperature for Chicago on New Years Day is 65 degrees set way back in 1876! |
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Frequency distribution of low temperatures for Chicago.
By looking at the graph, for the majority of the time, low temperatures occur in the
20 to 29 degree range. The normal low temperature at Chicago is 15 degrees which falls
just below that range. Temperatures also often occur in the teens and single digits. Several times Chicago has seen low temperatures as high as 30 degrees and above. On the other hand,
nine times low temperatures fell below zero and even to 10 below zero. In fact the record low temperature for Chicago on New Years Day is 10 below set in 1969! |
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Frequency distribution of precipitation and snowfall for Chicago.
By looking at the graph, when there is precipitation, it most often occurs in the
trace category (less than 0.01"). Precipitation also sometimes falls into the 0.02 to 0.25 inch range. In the past, daily precipitation amounts on the holiday have ranged from 0.01 inches to over an inch as the greatest precipitation total for the holiday is 1.33 inches set in 1948. However the majority of the time, precipitation does not fall on New Year's Day. Also by looking at the graph, when there is snowfall, it most often occurs in the
trace category (less than 0.1") then the 0.1 to 0.9 inch category. In the past,
snowfall amounts have ranged from 1.0 inch to 5.0 inches as the greatest
snowfall total for the holiday is 5.0 inches set in 1918! Like precipitation, the
majority of the time, snow does not fall on New years Day.
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