March 2017 (Austin’s hottest) was world’s 2nd-hottest on record, NASA scientists say

Global map of the March 2017 LOTI (land-ocean temperature index) anomaly shows that much of the United States was also relatively warmer, but Alaska was instead cooler than the 1951-1980 base period. Photo provided by NASA

 

Last month was not only Austin’s hottest March on record, the third month of 2017 was the second-warmest March for the whole planet since modern record-keeping began 137 years ago.

Scientists at NASA’s Goddard Institute for Space Studies in New York analyzed global temperatures and found that last month was 1.12 degrees Celsius warmer than the average March temperature 1951-1980.

RELATED: Warmest March in Austin extends stretch of above-normal temps 

The hottest March on record was March 2016, when scientists found global temperatures 1.27 degrees Celsius warmer than the 1951-1980 base average temperature.

Although March 2017’s temperature was 0.15 degrees Celsius cooler than the year before, the month was 0.2 degrees Celsius warmer than any previous March, scientists said.

For those skeptical of the numbers, NASA said its monthly analysis by the GISS team “is assembled from publicly available data acquired by about 6,300 meteorological stations around the world, ship- and buoy-based instruments measuring sea surface temperature, and Antarctic research stations.”

NASA does note that “monthly analyses are sometimes updated when additional data becomes available, and the results are subject to change.”

March 2017 was the warmest on record at Camp Mabry, Austin’s main weather station, just edging out March 1907, Lower Colorado River Authority meteorologist Bob Rose told the Statesman’s Marty Toohey earlier this month.

The record average of 68.6 degrees in spring’s first month followed a winter that was also the warmest on record.

Toohey reported that the record at Camp Mabry for the warmest first three months of the year had been 61.5 degrees, also set in 1907. The average temperature for the first three months of this year was 63 degrees at Mabry.

At Austin’s other weather-monitoring station, Austin-Bergstrom International Airport, the average three-month temperature this year has been 61.9 degrees, surpassing 1990’s previous airport record of 59.6 degrees..

“It has been the warmest first three months start to the year on record,” Rose said. “And not just by a little, but by a lot.”