Dec. 27, 2014 - Jan. 14, 2015: 19 Consecutive Days of Below Normal Temperatures

For much of the NWS Hastings coverage area, Thursday, January 15th, 2015, marked the end of an impressive streak of 19 consecutive days in which the average daily temperature was at or below normal. This streak began on December 27, 2014.  The average daily temperature is derived from averaging both the high and low temperatures for the day.

While a 19 day stretch of at or below normal temperatures is not very common, historical data proves that this recent cold snap fell well short of matching the worst stretches on record.

At Grand Island Central Nebraska Regional Airport, which is the primary climate data site in the NWS Hastings coverage area, the average daily temperatures from December 27, 2014 to January 14, 2015 was 13.2 degrees.  While this was obviously quite cold versus normal/average, this only tied for the 11th coldest stretch on record between these particular dates.  Records for Grand Island reach back 120 years to 1895.

Coldest Dec. 27-Jan. 14 stretches on record
(per average temperature)
1.0 degree 1911-12
2.6 degrees 1973-74
6.2 degrees 1978-79
8.0 degrees 1939-40
8.9 degrees 1981-82
10.3 degrees 1969-70
11.2 degrees 1941-42
11.4 degrees 1967-68
11.6 degrees 1987-88
12.0 degrees 1923-24
13.2 degrees 2014-15

For those curious about the coldest stretch of average temperature on record at Grand Island for ANY 19 day stretch of the year, it was -4.1 degrees from January 31-February 18, 1936.


This page was composed by the staff at the National Weather Service in Hastings, Nebraska.

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