According to the NOAA, September 2016 Tmax in the USA was only 100th warmest out of 122.
1998 was warmest. But 1922 was 2nd and 1953 3rd.
I think CO2 has forsaken September.
According to the NOAA, May 2016 was ranked 49th coldest out of 122.
That is essentially a tie with May 2015. The warmest May Tmax’s were 1934, 1936, 2012 and and 1939.
The following map shows state rankings. 122 = warmest. 1 would be coldest.
Note the states ranked 7th and 8th coldest. Wow. Not much El Nino effects …
According to the NOAA, April 2016 was ranked 24th warmest out of 122 in terms of Maximum.
Did you know 1946 was the 2nd warmest April?