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Methane (CH₄) in 2016 (global mean)
Annual mean1,843.2 ppb
vs previous year+9.0 ppb
Rank of increase17 / 41
Max − min within year17.2 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 1,842.5 ppb | +9.4 |
| Feb | 1,841.8 ppb | +8.8 |
| Mar | 1,843.0 ppb | +9.8 |
| Apr | 1,843.7 ppb | +10.6 |
| May | 1,842.2 ppb | +10.6 |
| Jun | 1,837.9 ppb | +10.8 |
| Jul | 1,834.2 ppb | +9.7 |
| Aug | 1,836.8 ppb | +7.9 |
| Sep | 1,844.3 ppb | +8.1 |
| Oct | 1,850.0 ppb | +8.5 |
| Nov | 1,851.5 ppb | +6.9 |
| Dec | 1,851.1 ppb | +6.3 |
+4.1 ppb
+5.1 ppb
+5.3 ppb
+9.2 ppb
+11.6 ppb
+9.0 ppb
+6.4 ppb
+7.8 ppb
+9.2 ppb
+12.2 ppb
+16.0 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.