Table 1.

Means and descriptive statistics of the parameters pH, temperature and EC of Colina Lake before and after the Holy Week vacation period.

			Before			After
Parameter	Depth (m)	Mean	SEmean	StDev	Mean	SEmean	StDev
pH	0.30	8.50	0.018	0.084	8.61	0.015	0.069
	1.0	8.53	0.023	0.103	8.56	0.028	0.127
Temperature (°C)	0.30	12.80	0.119	0.532	18.11	0.171	0.763
	1.0	12.16	0.199	0.889	17.75	0.190	0.851
EC (dSm−1)	0.30	208	1.380	6.160	228.5	3.420	15.31
	1.0	208	1.170	5.230	226.0	1.520	6.81