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. Author manuscript; available in PMC: 2017 Sep 28.
Published in final edited form as: Atmos Meas Tech. 2016 Sep 8;9(9):4447–4457. doi: 10.5194/amt-9-4447-2016

Table 2.

Changepoint dates and their confidence levels, MLS version 3.3.

Lindenberg Boulder San José Lauder

Pressure Changepoint CLa Changepoint CL Changepoint CL Changepoint CL
(hPa) (year) (%) (year) (%) (year) (%) (year) (%)
26 2011.4 83 2009.1 > 99 2008.9 66 2010.4 > 99
32 2011.1 >99 2009.0 > 99 2010.8 45 2010.7 99
38 2011.3 >99 2009.5 > 99 2009.3 48 2010.7 > 99
46 2011.6 92 2009.5 > 99 2008.9 71 2010.6 > 99
56 2011.9 94 2009.3 > 99 2010.1 > 99 2010.6 > 99
68 2011.4 99 2009.5 > 99 2010.7 > 99 2010.4 > 99
83 2011.4 80 2009.3 > 99 2010.6 > 99 2010.7 93
100 2011.7 40 2009.1 > 99 2009.1 73 2011.1 94
Meanb 2011.5 2009.3 2009.8 2010.6
SD 0.3 0.2 0.9 0.2
a

Confidence levels for the listed changepoint dates, with > 99 indicating a value between 99 and 100%.

b

Mean and standard deviation of the changepoint dates for each site.