Seasonal SD TS MERRA2 1980-2015 Month Temperature Anomaly (K) Month seas_anom+2sd seas_anom seas_anom-2sd 01 -1.86168 -1.9327 -2.00372 02 -1.59076 -1.6609 -1.73104 03 -0.891977 -0.9578 -1.02362 04 0.052322 -0.0103 -0.07292 05 0.971385 0.9102 0.849015 06 1.65665 1.5906 1.52455 07 1.9114 1.8446 1.7778 08 1.80289 1.7338 1.66471 09 1.16477 1.0912 1.01763 10 0.168601 0.0886 0.008599 11 -0.918645 -0.9976 -1.07656 12 -1.63434 -1.7034 -1.77246