Annual temperature anomalies:The annual mean temperature anomaly is expressed as the difference

from the 30-year averaging period 1961-1990 for the selected year.

Units:Degrees Celsius.

Data source:CRU TS3.21: Climatic Research Unit (CRU) Time-Series (TS) Version 3.21 of High Resolution

Gridded Data of Month-by-month Variation in Climate (Jan. 1901- Dec. 2012).

GHCN-CAMS: NOAA-NCEP-CPC (Jan. 2013- present).

Layer Metadata