AO Composites
| Season | 500hPa Height/Anom | 500hPa dZ/dt | 500-1000hPa
Thickness |
300 hPa Wind | US surface temperature | US precipitation |
| JFM | X | X | X | X | X | X |
| FMA | X | X | X | X | X | X |
| MAM | X | X | X | X | X | X |
| AMJ | X | X | X | X | X | X |
| MJJ | X | X | X | X | X | X |
| JJA | X | X | X | X | X | X |
| JAS | X | X | X | X | X | X |
| ASO | X | X | X | X | X | X |
| SON | X | X | X | X | X | X |
| OND | X | X | X | X | X | X |
| NDJ | X | X | X | X | X | X |
| DJF | X | X | X | X | X | X |
