Season definitions for the animation

Season definitions for the animation (the three months are averaged together to reduce noise):

Fall
• OND - October/November/December
• NDJ - November/December/January

Winter

• DJF - December/January/February
• JFM - January/February/March
• FMA - February/March/April

Spring

• MAM - March/April/May
• AMJ - April/May/June
• MJJ - May/June/July

Summer

• JJA - June/July/August
• JAS - July/August/September