f.e21.F2000climo.ne30pg3_ne30pg3_mg17.intel.1800pe.1thrd.opt-se-cslam.08212019.chey.ch001 
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Set 4 Chemistry
| Total Column | ANN | DJF | MAM | JJA | SON | 
|---|---|---|---|---|---|
| Stratosheric Column | ANN | DJF | MAM | JJA | SON | 
| Tropospheric Column | ANN | DJF | MAM | JJA | SON | 
| Monthly Comparisons Winter | Dec | Jan | Feb | 
|---|---|---|---|
| Monthly Comparisons Spring | Mar | Apr | May | 
| Monthly Comparisons Summer | Jun | Jul | Aug | 
| Monthly Comparisons Fall | Sep | Oct | Nov |