Here are the 27 hottest months on record, if anyone was curious about comparing to e.g. the hottest october or december:<p><pre><code>   YEAR  MON  GLOBAL     NH      SH    TRPC 
   2010    4   0.330   0.449   0.210   0.687
   2015    6   0.330   0.410   0.251   0.456
   2015   11   0.330   0.433   0.228   0.525
   2004    3   0.334   0.490   0.179   0.271
   2010    6   0.336   0.432   0.240   0.449
   2010    7   0.354   0.520   0.188   0.315
   2003   12   0.357   0.462   0.252   0.272
   2010    8   0.370   0.518   0.222   0.272
   1987   12   0.382   0.573   0.191   0.656
   2010    9   0.393   0.356   0.429   0.144
   1998   10   0.400   0.484   0.315   0.368
   2007    1   0.406   0.484   0.327   0.550
   2010    5   0.426   0.611   0.241   0.804
   2015   10   0.426   0.638   0.213   0.530
   2013    1   0.429   0.345   0.512   0.420
   1998    9   0.437   0.506   0.367   0.356
   2010    2   0.441   0.392   0.491   0.856
   1998    3   0.482   0.509   0.455   1.128
   2010    1   0.483   0.553   0.412   0.599
   1998    1   0.491   0.402   0.580   1.132
   1998    7   0.496   0.617   0.375   0.467
   2010    3   0.503   0.560   0.446   0.776
   1998    8   0.513   0.482   0.544   0.459
   1998    6   0.561   0.572   0.551   0.629
   1998    5   0.636   0.566   0.706   0.975
   1998    2   0.665   0.688   0.642   1.275
   1998    4   0.742   0.852   0.633   1.177
</code></pre>
1998 was just incredibly hot throughout (but not in November).