This is almost like my beef with NWS Pittsburgh about their winter climate summary. December’s mean was 1.1 degrees above normal according to the monthly climate summary, January was +1.9 and February was -3.5, but the seasonal climate summary for DJF showed +0.1. Even if you assume that those numbers rounded to the tenth are the highest they could possibly be (1.1499, 1.9499, and -3.4501) and weight them by the number of days in the month, then divide by 90 days, you still get an average of -0.006, which I believe should be recorded as -0.0 when rounded to the tenth on the seasonal climate summary (which does matter, since it’s the difference between an above average season and a below average season). Should I call them?