Going back to 2016, it’s about 50/50 on AN or BN for April and May combined at BWI. There have been some anomalous spring -NAO periods though in there.
Great thread from Zeke about the positive trends toward clean energy likely averting the worst outcomes with still hope to keep total warming under 2C.
Oh I agree that April is probably the one month where I don’t mind AN temps. It’s just that nowadays 9-11 months a year are AN and starting with 80s in April just means we have 6 more months to go with heat.