Sentence examples for monthly mean concentrations from inspiring English sources

Monthly mean concentrations of ∑16PAHs in water and suspended particulate matter (SPM) were 88.31 ng/L and 252.31 ng/L respectively, with higher concentrations in the wet season (April to September).

Estimated monthly mean concentrations of TCE in the Hadnot Point distribution system during this period ranged from 0 to 783 μg/L, with a median level of approximately 366 μg/L (Table  2).

Estimated monthly mean concentrations of PCE in the Tarawa Terrace distribution system during this period ranged from 0 to 158 μg/L with a median of approximately 85 μg/L (Table  1).

For the IDW approach we used an inverse-distance (1/distance) weighted average of the three closest monitors within 50 km to compute a monthly mean concentration.

As shown in Figure 7, the monthly mean concentration of PM2.5 dropped to its lowest level in July (40 µg/m) but increased to high levels by December (130 µg/m).

Monthly mean PM2.5 concentrations were moderately correlated with temperature (r = 0.41), but monthly mean SO2 and CO concentrations were not (r ≤ 0.10).

Monthly mean O3 concentrations were added.

Monthly mean SO2 concentrations in the spring of 2010 at JFJ were higher than those in other years (Fig. 11a).

Monthly mean SO2 concentrations at HPO for the period from the summer of 2000 to the spring of 2001 were higher than those in other years (Fig. 11b).

Monthly mean DOC concentrations were negatively correlated with mean monthly stage elevations for WCA-2 and WCA-3, not correlated with mean monthly surface water temperature, positively correlated with TP for WCA-2, and positively correlated with TN and specific conductivity for all regions (Table 4).

Jaffe and Ray (2007) reported positive trends in O3 concentration at LAV and at YEL in all seasons with growth rates of 0.33 and 0.50 ppb year−1, respectively, based on the analysis of deseasonalized monthly mean O3 concentrations (daytime data only) for the period from 1987 to 2004.